Stocks › OKLO
Oklo Inc.
OKLO·NYSE·
United States·USD
United States·USD$38.55
+2.58 (+7.17%)
Close · Oct 6, 2026 · Close Prices from Tiingo.com
OKLO
Oklo Inc. · NYSE
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
OKLOS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
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Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair
Congressional Trades
Recent trades of OKLO by members of U.S. Congress · 0 on record
No congressional trades in OKLO on record.
Whale Activity
Position changes in OKLO reported for 2026-06-30 by 12 tracked institutional filers
- Increased4
- New0
- Held0
- Decreased3
- Closed0
- No prior filing5
| Filer | Shares | Value | Change |
|---|---|---|---|
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 8.9M | $467.6M | — |
| BlackRock, Inc. | 7.3M | $382.6M | decreased |
| VANGUARD CAPITAL MANAGEMENT LLC | 6.5M | $342.2M | increased |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 6.4M | $336.2M | increased |
| CANTOR FITZGERALD, L. P. | 1.1M | $57.1M | — |
| PORTLAND INVESTMENT COUNSEL INC. | 589.5K | $30.8M | — |
| MILLENNIUM MANAGEMENT LLC | 279.0K | $14.6M | increased |
| TWO SIGMA INVESTMENTS, LP | 72.5K | $3.8M | decreased |
| Bridgewater Associates, LP | 56.2K | $2.9M | increased |
| CAZ INVESTMENTS LP | 50.8K | $2.7M | — |
| Marathon Trading Investment Management LLC | 42.0K | $2.2M | — |
| CITADEL ADVISORS LLC | 28.3K | $1.5M | decreased |
KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.
Insider Trading
Net shares bought (+) or sold (−) on the open market by OKLO insiders, by quarter · Form 4
Recent Insider Transactions
427 transactions on record · newest first
| Insider | Type | Shares | Price | Value | Date | |
|---|---|---|---|---|---|---|
| Narayanadas VivekGeneral Counsel & Secretary | Sale | −649 | $35.93 | $23K | Oct 5, 2026 | Form 4 ↗ |
| Cochran CarolineCo-Founder, COO · Director | Sale | −40.0K | $36.19 | $1.4M | Oct 1, 2026 | Form 4 ↗ |
| Cochran CarolineCo-Founder, COO · Director | Sale | −40.0K | $36.64 | $1.5M | Oct 1, 2026 | Form 4 ↗ |
| Cochran CarolineCo-Founder, COO · Director | Sale | −20.0K | $36.34 | $727K | Oct 1, 2026 | Form 4 ↗ |
| Cochran CarolineCo-Founder, COO · Director | Sale | −20.0K | $37.07 | $741K | Oct 1, 2026 | Form 4 ↗ |
| Bealmear Richard CraigChief Financial Officer | Sale | −16.5K | $36.87 | $608K | Oct 1, 2026 | Form 4 ↗ |
| Renner AlexandraChief Product Officer | Sale | −1,100 | $37.39 | $41K | Sep 28, 2026 | Form 4 ↗ |
| Hanson JohnChief of Staff | Sale | −1,100 | $37.39 | $41K | Sep 28, 2026 | Form 4 ↗ |
| Goodwin William Carroll MurphyChief Strategy Officer | Sale | −1,775 | $37.39 | $66K | Sep 28, 2026 | Form 4 ↗ |
| Jansen John MDirector · Director | Sale | −6,354 | $36.67 | $233K | Sep 14, 2026 | Form 4 ↗ |
| Narayanadas VivekGeneral Counsel & Secretary | Sale | −365 | $43.31 | $16K | Sep 9, 2026 | Form 4 ↗ |
| Narayanadas VivekGeneral Counsel & Secretary | Sale | −238 | $42.06 | $10K | Sep 8, 2026 | Form 4 ↗ |
| Narayanadas VivekGeneral Counsel & Secretary | Sale | −538 | $39.88 | $21K | Sep 4, 2026 | Form 4 ↗ |
| Renner AlexandraChief Product Officer | Sale | −1,930 | $38.40 | $74K | Sep 1, 2026 | Form 4 ↗ |
| Bealmear Richard CraigChief Financial Officer | Sale | −16.4K | $38.76 | $637K | Sep 1, 2026 | Form 4 ↗ |
| Cochran CarolineCo-Founder, COO · Director | Sale | −40.0K | $38.40 | $1.5M | Sep 1, 2026 | Form 4 ↗ |
| Cochran CarolineCo-Founder, COO · Director | Sale | −40.0K | $38.66 | $1.5M | Sep 1, 2026 | Form 4 ↗ |
| Cochran CarolineCo-Founder, COO · Director | Sale | −20.0K | $38.56 | $771K | Sep 1, 2026 | Form 4 ↗ |
| Cochran CarolineCo-Founder, COO · Director | Sale | −200 | $39.15 | $8K | Sep 1, 2026 | Form 4 ↗ |
| Cochran CarolineCo-Founder, COO · Director | Sale | −19.8K | $38.88 | $770K | Sep 1, 2026 | Form 4 ↗ |
Fund Holders
Mutual funds and ETFs holding OKLO · SEC Form N-PORT
| Fund | Shares | Value | % of fund | As of |
|---|---|---|---|---|
| iShares MSCI USA Quality Factor ETF iShares Trust | 4.9M | $353.4M | 0.71% | Apr 30, 2026 |
| Global X Uranium ETF GLOBAL X FUNDS | 8.5M | $331.4M | 6.09% | Jul 31, 2026 |
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 4.7M | $245.8M | 0.01% | Jun 30, 2026 |
| VanEck Uranium and Nuclear ETF VanEck ETF Trust | 4.2M | $220.2M | 5.22% | Jun 30, 2026 |
| VANGUARD SMALL-CAP INDEX FUND VANGUARD INDEX FUNDS | 3.4M | $177.5M | 0.09% | Jun 30, 2026 |
| iShares Russell 2000 ETF iSHARES TRUST | 3.0M | $147.9M | 0.21% | Mar 31, 2026 |
| VANGUARD SMALL-CAP GROWTH INDEX FUND VANGUARD INDEX FUNDS | 2.0M | $102.3M | 0.22% | Jun 30, 2026 |
| Fidelity Small Cap Index Fund Fidelity Salem Street Trust | 1.2M | $87.5M | 0.27% | Apr 30, 2026 |
| VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS | 1.6M | $82.5M | 0.08% | Jun 30, 2026 |
| Fidelity Extended Market Index Fund Fidelity Concord Street Trust | 636.1K | $42.5M | 0.10% | May 31, 2026 |
Mutual funds and ETFs whose N-PORT filings list OKLO's shares (CUSIP 02156V109), each fund at its latest report since Mar 7, 2026, largest positions first. Bonds, options and short positions are left out.
Activist & Passive Stakes
Schedule 13D / 13G beneficial-ownership filings
Corporate Lobbying
Estimated quarterly lobbying spending reported under the LDA, filings naming oklo as client
Government Contracts
Federal awards to Oklo Inc. · USAspending
No federal contract awards found for Oklo Inc..
U.S. Patents
Recent USPTO applications naming Oklo Inc.
No USPTO patent applications found for Oklo Inc..
Annual Financials
From OKLO's 10-K filings · XBRL
No annual XBRL figures on record for OKLO. KeyVex's fundamentals cover about 130 large companies so far.
Stock Splits
Every split and reverse split in the price history
No stock splits in OKLO's price history.
Material Events (8-K)
Corporate events filed with the SEC
About Oklo Inc.
From SEC EDGAR company records
Industry (SIC 4911)Electric Services
SectorUtilities
HeadquartersSANTA CLARA, CA
IncorporatedDE
SEC CIK0001849056 ↗
Former namesAltC Acquisition Corp.