Lambda valuation 2026: how much is Lambda worth?
Lambda is worth $12.3B as of September 2026 — its current valuation on the NPM Price (Nasdaq Private Market), 33% above its last round (Series E-3, $9.2B). That is Lambda's latest private-market valuation; it has no public stock price.
Per-share → stock price · over time → valuation history.
What could Lambda be worth by the end of 2026?
Prediction markets put Lambda's even-odds 2026 valuation at $15B (indicative) — 21% above today's $12.3B. The middle 50% of outcomes runs $13B–$15B.
Indicative: this market is coarsely priced, so we show the central estimate and its range rather than a precise per-level ladder.
Worth now → valuation.
What is Lambda's stock price?
Lambda is private, so it has no public stock price. Its secondary share price is $51/share (pre-IPO, as of 14 Sep 2026), and $67/share at the $12.3B NPM valuation mark (as of 17 Sep 2026).
Divides each valuation by ~0.18B estimated diluted shares (Lambda is private; the exact count isn't disclosed). An IPO issues new shares, diluting existing holdings. An estimate, not advice or an appraisal.
Valuation over time → valuation history.
Lambda valuation history: how has it changed?
Lambda's valuation has gone from $6B (Sep 2025) to $12B (Sep 2026) — 2.1× +112% in 12 months. The sharpest step came at the Series E-3 round in Nov 2025.
| Date | NPM valuation |
|---|---|
| Sep 2025 | $6B |
| Dec 2025 | $7B |
| Mar 2026 | $11B |
| Jun 2026 | $8B |
| Sep 2026 | $12B |
Current value → valuation · per-share → stock price.
Who owns Lambda?
Lambda is privately owned by its founders and employees plus its investors — led by Alumni Ventures Group, which led its Series E-3 round — and by 2 regulated mutual funds that independently mark its shares at $48.19 in SEC filings. Its funding is entirely private capital: $2.4B across 7 funding rounds, and it is not publicly traded.
Round lead Alumni Ventures Group
Fund holders T. Rowe Price · Aog Institutional Fund
Why $48.19, below the ~$51 secondary price? Funds carry earlier-series preferred near its issue price, not the current common stock that trades on secondaries — a more conservative, independent mark.
Show the underlying fund filings (2 funds · 4 marks)
| Fund (filer) | Series held | Period | Per share |
|---|---|---|---|
| T. Rowe Price Science & Technology Fund, Inc. | C / E / D-1 | 2026-12-31 | $48.19 |
| Aog Institutional Fund | — | 2026-09-30 | $48.19 |
| Earlier-series preferred carried higher, ~$52 | |||
Mark vs live valuation → valuation · per-share → stock price.
Can you buy Lambda stock?
No — you can't buy Lambda stock on a normal brokerage: it's private, with no ticker. How to invest in Lambda directly is limited to accredited investors, via restricted pre-IPO secondaries ($51/share). The one route open to anyone — no broker, no accreditation — is a prediction market on Lambda's valuation.
Bet YES on “Lambda ≥ $15B by Dec 31, 2026” at 48¢ and make ≈ +108% if it hits (full odds ladder →).
A prediction-market bet is binary, not equity: a fixed $1 if it hits the strike by the date, $0 if not. Availability varies by region.
Latest on Lambda
What recently moved the valuation and IPO odds, plus headlines — newest first.
- 20 Sep 2026 Odds of reaching $8B by year-end at 97%. +43 pts in a month Polymarket
- 17 Sep 2026 Lambda's valuation marked at $12.3B. +54% over ~30 days · NPM Price (Nasdaq Private Market) NPM
- 18 Nov 2025 Series E-3 closes — $0.4B raised, led by Alumni Ventures Group. post-money $9.2B Yahoo Finance / Forge
- 10 Sep 2026
- 4 Sep 2026
- 1 Sep 2026
- 31 Aug 2026
- 31 Aug 2026
Common questions about Lambda stock
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Sources & method
Every figure is sourced below, each with its own timestamp. See the methodology for how each is computed.
An estimate, not an appraisal or investment advice. Lambda is private; its shares are unregistered and secondary transfers may be restricted. Figures aggregate public filings and licensed third-party data, attributed above. Moonberg doesn't broker, sell, or hold any security.