Investing // Updated: September 11, 2026 // 11 min read // Lindsey A. Kennedy, Senior Technical Writer
The Boring Company (TBC) has no stock ticker. Elon Musk's tunneling and transportation company is a private entity — not listed on any exchange accessible to retail investors. But in the week of September 8–12, 2026, The Boring Company became one of the most-discussed private companies in the world after CNBC reported it had completed a new funding round at a valuation of approximately $23 billion — more than 4× its 2022 Series C valuation of $5.68B — while turning to Middle Eastern investors and requiring some participants to help recruit employees or introduce government officials as a condition of the deal. There is no public stock, no IPO date, and no S-1 filing. But the investment landscape around TBC has changed substantially in 2026.
| ⚡ TL;DR — Quick Answer No Boring Company stock ticker: TBC is private. No exchange listing, no SEC filing, no IPO date as of September 2026. Latest valuation: approximately $23 billion (CNBC, September 10, 2026), up from ~$20B in July funding talks (WSJ) and from $5.68B at the April 2022 Series C. What TBC actually does: Digs tunnels faster and cheaper than conventional contractors using its proprietary Prufrock TBM. Runs the Vegas Loop (3.3M+ passengers, 8 stations). Has contracts in Nashville and Dubai. Unusual round condition: The September 2026 round required some investors to help recruit employees or introduce local government officials — conditions that triggered media scrutiny and raised ethics questions. How to get exposure: Forge Global / Hiive / UpMarket (accredited investors, secondary market), Tesla (TSLA) as indirect proxy, ARK Autonomous Tech & Robotics ETF (ARKQ), or wait for a potential future IPO. |
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⚠ Disclaimer: This article is informational only — not investment advice. TBC valuation figures are private estimates. Consult a licensed financial professional before investing.
Contents
- There Is No Boring Company Stock — Here's What Exists
- Boring Company at a Glance (September 2026)
- The $23 Billion Round: What Happened in September 2026
- Funding History: From $113M to $23B in a Decade
- What The Boring Company Actually Does
- The Vegas Loop: The Only Operating Revenue Source
- Active Projects: Nashville, Dubai, and the Pipeline
- The Prufrock Machine: The Tech Behind the Valuation
- How to Invest in The Boring Company in 2026
- 5 Risks Specific to The Boring Company
- Quick Comparison: TBC vs. Public Infrastructure Stocks
- FAQ
- Summary
There Is No Boring Company Stock — Here's What Exists
The Boring Company Corporation has never filed a Form S-1 with the SEC, has never assigned an exchange ticker, and has never traded on the NYSE, Nasdaq, or any registered US exchange. It is a privately held company incorporated in Texas, majority-owned by Elon Musk, that has raised capital through a series of private funding rounds.
The Boring Company was spun out of SpaceX in 2018 after starting as an internal skunkworks project. It has operated since then as a standalone private company with its own board, its own balance sheet, and its own fundraising. Despite occasional IPO speculation — particularly following SpaceX's June 2026 IPO — TBC has given no signal it plans to go public in the near term.
👉 Finance platforms like StockAnalysis, Hiive, and Forge Global track TBC as a private company. Any 'Boring Company stock price' shown on these sites is either a secondary market estimate (from private trades between accredited investors) or a proprietary model — not a publicly quoted market price.
Boring Company at a Glance (September 2026)
| Metric | Value |
|---|---|
| How to invest | No direct public path — private company. Accredited investors: Forge / Hiive / UpMarket. |
| Valuation (September 2026, CNBC) | ≈ $23 billion (completed funding round, Sept 2026) |
| Valuation (July 2026 talks, WSJ) | ≈ $20 billion (initial WSJ report, round not yet closed) |
| Last official round (Series C, 2022) | $5.68 billion post-money; raised $675M |
| Total funding raised | ≈ $2.48 billion across all rounds (as of July 2026 Series F) |
| Founded | 2016, by Elon Musk (spun off from SpaceX in 2018) |
| President | Steve Davis |
| Employees | ≈ 800–1,000 (2026 estimate) |
| Vegas Loop passengers | 3.3 million+ passengers, 8 stations |
| March 2026 record | Prufrock-2 completed a 2.28-mile continuous tunnel drive near Westgate Las Vegas — company record |
| Operating projects | Las Vegas (Loop), Nashville (under construction), Dubai (contracted) |
| Prufrock TBM | Custom tunnel boring machine; goal: 1 mile/week operational tunneling |
| IPO status | No date announced; no S-1 filed; no confirmed plan |
| Key investors (Series C) | Vy Capital, Sequoia Capital, Founders Fund |
The $23 Billion Round: What Happened in September 2026
CNBC reported on September 10, 2026 that The Boring Company had completed a new funding round at a valuation of approximately $23 billion, with Middle Eastern investors playing a significant role — a notable expansion of TBC's investor base beyond Silicon Valley institutions.
The deal carried an unusual condition that generated immediate media attention: certain investors were required to help TBC recruit employees or make introductions to local government officials in cities where TBC is pursuing tunnel contracts. Investors who could not provide those referrals or introductions faced a provision allowing TBC to buy back their shares. The structure effectively converts financial investors into business development partners — a model with no direct precedent in infrastructure investing.
| What the September 2026 Round Revealed Valuation: ≈ $23 billion — 4x+ the $5.68B Series C valuation from April 2022 Investor geography: Middle East investors prominent (UAE/Saudi context per CNBC) — reflecting TBC's international expansion push Unusual condition: investors must help recruit employees or introduce government officials, or TBC retains right to buy back shares TBC's own description: 'Over the past two years, The Boring Company has grown from a single operating Loop system to a multi-city tunneling program, pairing faster machine design with the first hard-rock project, the first international construction contract, and a substantial expansion of Vegas Loop' Actual amount raised in the round was not publicly disclosed |
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💡 The investor-as-business-development-partner structure is worth flagging: it creates a conflict between investors' fiduciary duties and their roles as sales agents for TBC. It also raises questions about how government officials are being introduced to TBC contracts — a governance consideration that due diligence investors would want to examine carefully.
Funding History: From $113M to $23B in a Decade
| Round | Date | Amount Raised | Post-Money Valuation | Key Investors / Notes |
|---|---|---|---|---|
| Initial (self-funded) | 2016–2017 | ≈ $113M (Musk personal) | < $1B | Elon Musk as sole early funder; started as SpaceX skunkworks |
| Series A | 2019 | $120M | ≈ $920M | Steve Jurvetson (Future Ventures), 8VC, Vy Capital, Craft Ventures |
| Series B | 2021 | $675M | ≈ $5.68B (wait — this is 2022) | First-time venture scale round |
| Series C | April 2022 | $675M | $5.68B post-money | Vy Capital, Sequoia Capital, Founders Fund, Valor Capital |
| Series D / E | 2026 (early) | ≈ $500M combined | ≈ $13–15B (TechStackIPO estimate) | Raised in advance of major project deployments |
| Series F | July 2026 | $500M | ≈ $20B (WSJ initial report) | Middle Eastern investors; concurrent with Nashville/Dubai buildout |
| September 2026 round | Sept 2026 | Undisclosed | ≈ $23 billion (CNBC) | UAE/Middle East-focused; investors required to assist with hiring/gov introductions |
| Total funding | — | ≈ $2.48B primary (est.) | $23B latest | — |
The jump from $5.68B (April 2022) to $23B (September 2026) — a 4× increase in four years — reflects two things: (1) actual operational progress (the Vegas Loop is running, Nashville is under construction, Dubai is contracted), and (2) the broader private market enthusiasm for Musk-linked ventures following SpaceX's $1.77T IPO in June 2026. Startup Fortune noted bluntly: 'investors are paying for option value' — buying the chance that TBC can replicate the Vegas Loop model city by city.
👉 A $23 billion valuation for a company with one operational transit system and $0 publicly disclosed commercial revenue is entirely driven by: (a) Musk brand premium, (b) the Prufrock speed advantage over traditional boring, and (c) the bet that Nashville, Dubai, and future cities prove the model is repeatable. None of that is guaranteed.
What The Boring Company Actually Does
The Boring Company has two distinct revenue streams: constructing tunnels for third parties (government contracts, infrastructure clients), and operating Loop transit systems (passenger fares). Currently, only the second is operating at scale.
The Loop — Underground Electric Vehicle Transit
Loop is TBC's consumer-facing transit product: a network of underground tunnels through which Tesla vehicles carry passengers point-to-point, non-stop, at speeds up to 155 mph. The system is designed for short-to-medium urban trips (airports, convention centers, stadiums, entertainment districts) where surface traffic creates meaningful friction.
Prufrock — The Tunnel Boring Machine
The Prufrock series of tunnel boring machines is TBC's core proprietary technology. Conventional TBMs move at 0.01 to 0.02 miles per week; TBC's target for Prufrock is 1 mile per week — a roughly 50–100× improvement in boring speed, which is the primary basis for TBC's claim of lower-cost tunneling. The machines also 'porpoise' — entering and exiting the ground at angles, reducing setup time.
In March 2026, Prufrock-2 completed a 2.28-mile continuous tunnel drive near Westgate Las Vegas, setting a company record for uninterrupted tunnel boring. This technical milestone is significant because it validates that the machine can sustain long drives — addressing a concern from earlier phases when frequent stops limited throughput.
✔ The Prufrock milestone matters more than the passenger count for valuation purposes: if TBC can bore faster and cheaper, it can win contracts in cities where conventional TBMs would make the economics unfeasible. Speed and cost per mile is the moat, not the Vegas Loop itself.
The Vegas Loop: The Only Operating Revenue Source
The Vegas Loop is TBC's only commercial transit operation as of September 2026. It runs beneath the Las Vegas Strip and Convention Center corridor, carrying passengers in Tesla vehicles between stations at speeds that eliminate the significant surface-level congestion endemic to the area.
| Vegas Loop Metric | Value |
|---|---|
| Total passengers served | 3.3 million+ (as of July 2026) |
| Number of stations (operating) | 8 stations |
| First expansion permit | January 27, 2026 — City of Las Vegas issued permit for two tunnels connecting LVCC to The Strat Hotel (first expansion beyond the Strip/convention center corridor) |
| Planned system total (full buildout) | 68 miles of tunnel |
| March 2026 milestone | Prufrock-2 completed 2.28-mile continuous drive near Westgate; total tunnel length at that location: 4.54 miles |
| Vehicles | Tesla Model 3 and Model Y — TBC does not own a separate fleet |
| Revenue model | Passenger fares (public), contract revenue from LVCC and resort operators |
| Environmental violations (Nevada) | Hundreds reported by ProPublica; ≈ 800 cited by Nevada regulators (unresolved as of 2026) |
The January 27, 2026 downtown expansion permit is the most consequential operational update of the year: it marks the Vegas Loop's first extension beyond the convention center and Strip corridor into downtown Las Vegas proper, creating connectivity to The Strat Hotel. If the full 68-mile buildout proceeds, Las Vegas becomes TBC's proof-of-concept case that Loop systems can span a full metropolitan entertainment district.
💡 The environmental violation record is the most underreported risk in Boring Company coverage. Nearly 800 violations in Nevada alone — including chemical burns to workers — represent ongoing operational risk that could complicate permitting in more regulated jurisdictions like Nashville, Chicago, or Los Angeles.
Active Projects: Nashville, Dubai, and the Pipeline
Nashville
Nashville is TBC's first US city beyond Las Vegas. The project is privately financed — TBC is funding the tunnel construction itself and will recoup costs through fare revenue, rather than through a public contract. This is a significant structural difference from the Las Vegas model, where much of the construction was publicly contracted.
The privately financed Nashville model is both the most ambitious thing TBC has attempted and the most financially risky. Without a government construction contract, TBC bears the full downside if the project doesn't attract sufficient ridership or if Nashville's regulatory environment proves more challenging than Las Vegas's.
Dubai
TBC's Dubai Loop was announced in February 2026 with two planned phases: a Phase 1 covering 4 miles with 4 stations, costing approximately $154 million, with a 1-year build timeline; and a Phase 2 extending to 14 miles at an estimated cost of $545 million over three years. The pilot phase is planned to begin construction in late 2026. Dubai represents TBC's first international construction contract, and the Middle Eastern investor involvement in the September 2026 funding round likely reflects strategic alignment with regional government priorities.
The Stalled Pipeline: Baltimore, Chicago, Los Angeles
Baltimore, Chicago, and Los Angeles have all been pitched by TBC but have failed to progress to construction. The Chicago O'Hare tunnel — announced with great fanfare under Mayor Rahm Emanuel in 2018 — was quietly abandoned after Emanuel left office and his successor did not maintain the relationship. These failures are the data point that bears most scrutiny when evaluating TBC's $23B valuation: the company has a mixed record of turning city-level announcements into actual contracts.
👉 The key valuation test for TBC in 2026–2027: do Nashville and Dubai go from 'announced' to 'under construction' to 'operating'? That's the transition that validates the $23B price tag. Everything before that completion milestone is option pricing.
The Prufrock Machine: The Tech Behind the Valuation
Conventional tunnel boring machines are slow, expensive, and purpose-built for single projects. TBC's Prufrock series is designed from first principles to be faster, simpler, and redeployable across projects.
| Comparison | Conventional TBM | TBC Prufrock (Target) | Prufrock Actual (March 2026) |
|---|---|---|---|
| Boring speed | 0.01–0.02 miles/week | 1 mile/week | Record 2.28 miles (continuous drive, not weekly rate) |
| Setup time | Weeks to months per project | 'Porpoise' — enter/exit at angles, reduce setup | Demonstrated in Vegas, testing at scale |
| Cost per mile | $50–$1,000M+ (varies by city) | TBC claims 10× lower cost | Not independently verified |
| Machine type | Single-use, large, expensive | Smaller, lighter, redeployable | Multiple Prufrock units in operation |
| Hard rock capability | Varies by machine spec | Prufrock-3 adds hard-rock capability | First hard-rock project underway (2026) |
The first hard-rock project referenced in TBC's September 2026 fundraising statement is a key milestone: Las Vegas tunnels are in soft desert soil, which is relatively easy to bore. Real cities — Chicago, Nashville, Dubai — often involve hard rock formations that require fundamentally different boring equipment and techniques. The Prufrock-3 variant, reportedly in development for hard-rock environments, is an essential prerequisite for TBC to compete for urban contracts outside its current soft-soil comfort zone.
✔ Prufrock-2's 2.28-mile continuous drive in March 2026 is encouraging evidence that the machine can sustain long runs. But 'fastest single tunnel drive' is different from 'consistently boring 1 mile per week across all geologies.' That's the standard TBC needs to demonstrate before the cost claims can be independently verified.
How to Invest in The Boring Company in 2026
TBC is private and has no public market path. These are the four legitimate routes to exposure:
- Forge Global or Hiive — Accredited investors, secondary market. These platforms facilitate private share transfers from existing TBC shareholders (employees, early investors) to accredited buyers. Hiive lists TBC for pre-IPO trading. Forge Global and UpMarket both offer similar access. Minimum investments are typically $50,000–$250,000+. Secondary prices are algorithmically estimated and may not reflect actual clearing prices.
- Tesla (TSLA) — Very indirect exposure. TBC uses Tesla vehicles in all its Loop systems. Tesla and TBC are linked through Musk but have no cross-ownership or formal financial relationship. Some investors treat TSLA as a proxy for the Musk ecosystem generally — but this is extremely diluted exposure to TBC specifically, at Tesla's 340x P/E.
- ARK Autonomous Tech & Robotics ETF (ARKQ) — Thematic, diluted. ARKQ holds positions in companies involved in autonomous vehicles, robotics, and next-generation transportation infrastructure. TBC is not directly in the ETF (it's private), but the fund's thesis overlaps with TBC's commercial proposition. Indirect, imprecise, but publicly liquid.
- Wait for a potential IPO — Most precise future exposure. If TBC eventually files an S-1, it would be the only way for retail investors to buy shares at a market-clearing price. No timeline is announced. Set a Google alert for 'Boring Company S-1' or 'Boring Company IPO filing' and check the SEC's EDGAR system periodically.
| What NOT to Do Do NOT pay any unregulated platform claiming to offer retail-investor access to 'Boring Company shares' — these are frequently fraudulent Do NOT assume secondary market prices ($X/share) represent a current market-clearing price — they're estimates based on private data Do NOT use TSLA as a direct TBC proxy — the financial relationship between the two companies is indirect, and they can diverge significantly |
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5 Risks Specific to The Boring Company
- Project attrition: most announced cities don't proceed. Baltimore, Chicago, Los Angeles, and San Jose were all announced. None proceeded. Nashville and Dubai are the first live projects outside Vegas in TBC's 10-year history. A third consecutive non-Vegas project failing would reframe the scalability narrative entirely.
- Environmental and safety violations. Nevada regulators cited approximately 800 environmental violations at Vegas Loop construction sites, and worker injuries (chemical burns) have been publicly reported. These records complicate permitting in more regulated cities and create reputational risk for government officials who publicly back TBC.
- The privately financed Nashville model has never been tested. Vegas Loop was partially government-contracted. Nashville is privately financed by TBC — meaning TBC carries the full construction cost risk and needs fare revenue to recover it. If ridership is below projections, TBC absorbs the loss.
- Musk concentration and distraction risk. Musk is simultaneously CEO of Tesla, SpaceX, X, Neuralink, The Boring Company, and SpaceX AI. TBC is widely considered the lowest priority of these ventures. Steve Davis runs daily operations, but strategic decisions and capital allocation ultimately flow through Musk.
- The $23B valuation is not anchored to current revenue. TBC has never disclosed revenue figures publicly. At 3.3 million passengers and modest fares, Vegas Loop revenue is likely in the $10–50M annual range — meaning the $23B valuation implies revenue multiples of 460× to 2,300× current operations. Every dollar of that gap must be justified by future city deployments that haven't happened yet.
👉 The 'government officials introduction' requirement embedded in the September 2026 round adds a sixth implicit risk: regulatory and reputational exposure. A formal conflict-of-interest investigation or a public corruption case involving any TBC-connected introduction could derail permitting in multiple cities simultaneously.
Quick Comparison: TBC vs. Public Infrastructure Stocks
TBC has no direct publicly traded equivalent — it's a unique hybrid of construction company, transportation operator, and tech startup. The closest public market comparables by function:
| Company / Stock | Focus | Market Cap (Sept 2026) | P/S Multiple | Key Comparison to TBC |
|---|---|---|---|---|
| The Boring Company | Underground Loop transit + TBM | ≈ $23B (private, estimated) | Unknown (no revenue disclosed) | The company itself — no public access |
| Tesla (TSLA) | EVs + energy + AI; provides Loop vehicles | ≈ $1.45T | ≈ 7x 2026E revenue | TBC uses Tesla vehicles; Musk runs both; no financial cross-ownership |
| Fluor Corp (FLR) | Large-scale infrastructure construction | ≈ $5–7B | < 0.5x revenue | Mainstream tunneling competitor; Prufrock claims to beat on cost |
| AECOM (ACM) | Engineering and construction services | ≈ $8–9B | ≈ 0.5x revenue | Public works infrastructure — government contracts, no private transit operation |
| Caterpillar (CAT) | Heavy construction equipment | ≈ $160B | ≈ 2.5x revenue | Makes the type of equipment TBC is trying to displace with Prufrock |
| Union Pacific (UNP) | Rail infrastructure and transport | ≈ $145B | ≈ 5x revenue | Long-distance transport benchmark; different market but shows infrastructure multiples |
| Quanta Services (PWR) | Infrastructure services (utilities, grid) | ≈ $34B | ≈ 1.5x revenue | Comparison for privately funded infrastructure build-operate models |
💡 Infrastructure companies rarely trade above 3–5x revenue in public markets. TBC's $23B private valuation implies either that it's a tech company in infrastructure clothing (commanding SaaS-like multiples) or that there's a significant Musk premium. Traditional infrastructure investors would view $23B as expensive; Musk believers view it as cheap relative to the addressable market.
The Boring Company Stock FAQ
Is there a Boring Company stock ticker?
No. The Boring Company is a private company with no exchange listing, no official ticker, and no public market price. Secondary market platforms track it informally; no ticker has been assigned because no SEC listing process has begun.
What is The Boring Company's valuation in 2026?
Approximately $23 billion, based on a funding round completed around September 10, 2026 per CNBC. Earlier in July 2026, The Wall Street Journal reported talks at a $20 billion valuation. The last publicly confirmed round was the April 2022 Series C at $5.68 billion. Private market estimates range from the official Series C figure to above $23B in secondary trading.
When will The Boring Company IPO?
No IPO date has been announced and no Form S-1 has been filed with the SEC as of September 11, 2026. TBC has given no public signals of near-term plans to go public. The SpaceX IPO in June 2026 increased speculation, but TBC has zero disclosed commercial revenue — making it atypical for a public offering.
How can I invest in The Boring Company?
Accredited investors can access TBC shares through secondary market platforms like Forge Global, Hiive, and UpMarket. Retail investors cannot invest directly. Indirect exposure is available through Tesla (TSLA), which provides vehicles for the Vegas Loop, or thematically through ARK Invest's ARKQ ETF. Wait for a future IPO for public retail access.
What is the Vegas Loop and how much revenue does it generate?
The Vegas Loop is TBC's only commercial operating transit system — 8 stations, 3.3 million+ passengers served. It carries passengers in Tesla vehicles through underground tunnels beneath the Las Vegas Strip and Convention Center. TBC has never disclosed fare revenue figures, but at modest fares and current passenger volumes, industry analysts estimate annual revenue in the $10–50M range — a small fraction of the $23B valuation.
Summary
The Boring Company closed September 2026 as the most talked-about private infrastructure company in the world — with a $23 billion valuation completed the week of this article's publication, an unusual investor condition requiring government introductions, and a growing project portfolio in Nashville and Dubai. The company also has no public stock, no disclosed revenue, and a mixed track record of city projects that collapse between announcement and execution.
The investment case for TBC is straightforward to state but hard to act on: if Prufrock can bore faster than conventional machines, and if Loop systems can replicate in Nashville and Dubai what they built in Las Vegas, the addressable market is enormous. If those 'ifs' don't resolve by 2028, the $23B valuation will look retrospectively like a peak Musk premium.
For now, the only legitimate paths are secondary markets for accredited investors, indirect exposure through TSLA or ARKQ, and patience. There is no Boring Company stock today — but if the Nashville and Dubai projects succeed, that may change.
⚠ Reminder: This is general information, not financial advice. TBC figures are private estimates as of September 11, 2026. Consult a licensed financial professional before investing.
For other Musk portfolio coverage: SpaceX Stock (SPCX) 2026 Guide | Tesla Stock (TSLA) 2026 Guide | Neuralink Stock 2026 Guide. Full archive: optimusk.blog/blog.
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