Oklo Inc.
OKLO- Exchange
- NYSE
- Industry
- Electric Services
- SEC CIK
- 0001849056
In the last 90 days, Oklo Inc. insiders filed 0 open-market purchases and 19 sales; 673 institutions reported holding it in 13F filings for Q2 2026, worth $4.27B in total; ARK Invest is the only superinvestor holding it.
13F holders, Q3 2025
Institutional positions in Oklo Inc. as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 640
- +163 vs. Q2 2025
- Shares held
- 64.9M
- +10.8M (+19.9%) vs. Q2 2025
- Total value
- $7.24B
- +$4.21B (+138.9%) vs. Q2 2025
- New holders
- 231
- 208 more added
- Sold out
- 68
- 150 more reduced
4 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting OKLO on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 673 | $4.27B |
| Q1 2026 | 679 | $4.43B |
| Q4 2025 | 683 | $5.37B |
| Q3 2025 | 640 | $7.24B |
| Q2 2025 | 481 | $3.03B |
| Q1 2025 | 292 | $747.1M |
| Q4 2024 | 238 | $882.1M |
| Q3 2024 | 124 | $387.2M |
| Q2 2024 | 93 | $338.6M |
| Q1 2024 | 54 | $270.8M |
| Q4 2023 | 37 | $274.8M |
| Q3 2023 | 65 | $433.8M |
| Q2 2023 | 75 | $439.5M |
| Q1 2023 | 72 | $488.4M |
| Q4 2022 | 73 | $466.4M |
| Q3 2022 | 77 | $474.3M |
| Q2 2022 | 73 | $470.7M |
| Q1 2022 | 69 | $464.4M |
| Q4 2021 | 68 | $462.7M |
| Q3 2021 | 70 | $464.4M |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding Oklo Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 11,593,468 | $1.29B | 0.02% | +2,901,909+33.4% | Added |
| BlackRock, Inc. | 8,615,597 | $961.8M | 0.02% | +1,298,177+17.7% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 7,102,234 | $792.8M | 1.27% | +2,968,981+71.8% | Added |
| Van Eck Associates Corp | 3,474,993 | $387.9M | 0.36% | +1,316,867+61.0% | Added |
| Geode Capital Management, LLC | 2,630,742 | $293.7M | 0.02% | +382,317+17.0% | Added |
| UBS Group AG | 2,523,487 | $281.7M | 0.06% | +1,098,263+77.1% | Added |
| State Street Corp | 2,476,036 | $276.4M | 0.01% | +337,378+15.8% | Added |
| Morgan Stanley | 2,295,349 | $256.2M | 0.02% | +1,002,946+77.6% | Added |
| Charles Schwab Investment Management Inc | 1,070,065 | $119.5M | 0.02% | +297,880+38.6% | Added |
| JPMorgan Chase & Co | 1,031,724 | $115.2M | 0.01% | +621,916+151.8% | Added |
| Northern Trust Corp | 966,459 | $107.9M | 0.01% | +153,288+18.9% | Added |
| Portland Investment Counsel Inc. | 766,480 | $85.6M | 23.42% | 00.0% | Unchanged |
| Cantor Fitzgerald, L. P. | 708,000 | $79.0M | 1.55% | +708,000 | New |
| Marex Group plc | 654,644 | $75.9M | 0.94% | +346,604+112.5% | Added |
| Hood River Capital Management LLC | 662,576 | $74.0M | 0.87% | −68,247−9.3% | Reduced |
| T. Rowe Price Investment Management, Inc. | 625,431 | $69.8M | 0.04% | +625,431 | New |
| Goldman Sachs Group Inc | 491,112 | $54.8M | 0.01% | −42,734−8.0% | Reduced |
| LPL Financial LLC | 487,519 | $54.4M | 0.02% | +10,864+2.3% | Added |
| Capital World Investors | 481,015 | $53.7M | 0.01% | +481,015 | New |
| Bank of America Corp | 462,260 | $51.6M | 0.00% | +319,289+223.3% | Added |
| Wellington Management Group LLP | 450,729 | $50.3M | 0.01% | −105,379−18.9% | Reduced |
| Clear Street Group Inc. | 400,000 | $44.7M | 0.22% | +400,000 | New |
| Bank of New York Mellon Corp | 378,523 | $42.3M | 0.01% | +77,342+25.7% | Added |
| D. E. Shaw & Co., Inc. | 351,130 | $39.2M | 0.03% | −836,093−70.4% | Reduced |
| Wells Fargo & Company | 334,310 | $37.3M | 0.01% | +70,308+26.6% | Added |
| Raymond James Financial Inc | 331,844 | $37.0M | 0.01% | −5,504−1.6% | Reduced |
| Nomura Holdings Inc | 298,542 | $33.3M | 0.15% | +298,542 | New |
| Price T Rowe Associates Inc | 285,280 | $31.8M | 0.00% | +209,020+274.1% | Added |
| Royal Bank of Canada | 282,191 | $31.5M | 0.01% | +72,812+34.8% | Added |
| Atomi Financial Group, Inc. | 269,823 | $30.1M | 0.98% | −592,058−68.7% | Reduced |
| Nuveen, LLC | 268,028 | $29.9M | 0.01% | +31,653+13.4% | Added |
| Renaissance Technologies LLC | 267,600 | $29.9M | 0.04% | +267,600 | New |
| Ghisallo Capital Management LLC | 250,000 | $27.9M | 0.91% | −400,000−61.5% | Reduced |
| CI Private Wealth, LLC | 223,715 | $25.0M | 0.04% | −19,929−8.2% | Reduced |
| Cardiff Park Advisors, LLC | 223,240 | $24.9M | 1.91% | −100,000−30.9% | Reduced |
| Invesco Ltd. | 219,040 | $24.5M | 0.00% | +81,643+59.4% | Added |
| UBS Asset Management Americas Inc | 217,251 | $24.3M | 0.01% | −20,237−8.5% | Reduced |
| Exchange Traded Concepts, LLC | 210,773 | $23.5M | 0.22% | +11,968+6.0% | Added |
| Sculptor Capital LP | 210,700 | $23.5M | 0.32% | −1000.0% | Reduced |
| Swiss National Bank | 200,000 | $22.3M | 0.01% | +80,300+67.1% | Added |
| California Public Employees Retirement System | 179,166 | $20.0M | 0.01% | +179,166 | New |
| Simplex Trading, LLC | 169,596 | $18.9M | 0.42% | +169,596 | New |
| Alliancebernstein L.P. | 168,795 | $18.8M | 0.01% | −20,716−10.9% | Reduced |
| Rhumbline Advisers | 165,347 | $18.5M | 0.01% | +5,644+3.5% | Added |
| Mirae Asset Global Investments Co., Ltd. | 164,860 | $18.4M | 0.06% | +54,080+48.8% | Added |
| Barclays PLC | 161,495 | $18.0M | 0.01% | −249,441−60.7% | Reduced |
| ARK Investment Management LLCSuperinvestorARK Invest | 156,481 | $17.5M | 0.10% | −33,630−17.7% | Reduced |
| FMR LLC | 154,435 | $17.2M | 0.00% | +80,298+108.3% | Added |
| HITE Hedge Asset Management LLC | 148,643 | $16.6M | 0.90% | −18,333−11.0% | Reduced |
| Private Advisor Group, LLC | 144,083 | $16.1M | 0.08% | +23,313+19.3% | Added |
| Advisor Group Holdings, Inc. | 165,836 | $14.6M | 0.02% | +30,261+22.3% | Added |
| Citadel Advisors LLC | 121,961 | $13.6M | 0.01% | −52,896−30.3% | Reduced |
| Legal & General Group Plc | 121,239 | $13.5M | 0.00% | +43,612+56.2% | Added |
| Baird Financial Group, Inc. | 118,420 | $13.2M | 0.02% | −55,009−31.7% | Reduced |
| Cetera Investment Advisers | 117,121 | $13.1M | 0.02% | +5,299+4.7% | Added |
| Colony Group, LLC | 115,793 | $12.9M | 0.02% | +11,198+10.7% | Added |
| Commonwealth Equity Services, LLC | 114,083 | $12.7M | 0.02% | +30,124+35.9% | Added |
| Driehaus Capital Management LLC | 110,298 | $12.3M | 0.09% | +110,298 | New |
| Two Sigma Investments, LP | 105,436 | $11.8M | 0.02% | −36,725−25.8% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 104,010 | $11.6M | 0.03% | −1,842−1.7% | Reduced |
| Strategic Planning Group, LLC | 102,112 | $11.4M | 1.54% | −50,566−33.1% | Reduced |
| Seven Grand Managers, LLC | 100,000 | $11.2M | 0.91% | −100,000−50.0% | Reduced |
| Citigroup Inc | 97,688 | $10.9M | 0.01% | −2,581−2.6% | Reduced |
| California State Teachers Retirement System | 97,641 | $10.9M | 0.01% | +34,587+54.9% | Added |
| Virtu Financial LLC | 93,275 | $10.4M | 0.58% | +93,275 | New |
| FFG Partners, LLC | 91,975 | $10.3M | 2.78% | +91,975 | New |
| AE Wealth Management LLC | 89,326 | $9.97M | 0.06% | +6,995+8.5% | Added |
| CAPROCK Group, Inc. | 132,844 | $9.78M | 0.24% | +132,844 | New |
| Stifel Financial Corp | 83,786 | $9.35M | 0.01% | +7,510+9.8% | Added |
| Deutsche Bank AG | 83,741 | $9.35M | 0.00% | +17,092+25.6% | Added |
| Foundations Investment Advisors, LLC | 82,828 | $9.25M | 0.13% | +9,832+13.5% | Added |
| NewSquare Capital LLC | 82,804 | $9.24M | 0.63% | +82,804 | New |
| National Bank of Canada | 78,560 | $8.77M | 0.01% | −34,601−30.6% | Reduced |
| Westwood Wealth Management | 75,255 | $8.40M | 3.08% | −29,995−28.5% | Reduced |
| BNP Paribas Arbitrage, SA | 75,112 | $8.38M | 0.01% | −93,559−55.5% | Reduced |
| Scopus Asset Management, L.P. | 72,813 | $8.13M | 0.19% | −25,000−25.6% | Reduced |
| First Trust Advisors LP | 71,135 | $7.94M | 0.01% | +19,862+38.7% | Added |
| Manufacturers Life Insurance Company, The | 69,970 | $7.81M | 0.01% | +8,833+14.4% | Added |
| Toroso Investments, LLC | 69,685 | $7.78M | 0.03% | −558,973−88.9% | Reduced |
| Algert Global LLC | 69,670 | $7.78M | 0.13% | +57,240+460.5% | Added |
| Jones Financial Companies LLLP | 69,551 | $7.69M | 0.01% | +14,336+26.0% | Added |
| State of Wisconsin Investment Board | 66,555 | $7.43M | 0.02% | +28,057+72.9% | Added |
| Y-Intercept (Hong Kong) Ltd | 65,833 | $7.35M | 0.18% | +3,751+6.0% | Added |
| Mariner, LLC | 63,444 | $7.08M | 0.01% | +9,823+18.3% | Added |
| MetLife Investment Management | 63,258 | $7.06M | 0.03% | +1,944+3.2% | Added |
| Bank of Montreal | 62,527 | $6.98M | 0.00% | +46,899+300.1% | Added |
| Blair William & Co | 62,229 | $6.95M | 0.02% | +20,689+49.8% | Added |
| PFG Investments, LLC | 59,663 | $6.66M | 0.35% | +6,350+11.9% | Added |
| MML Investors Services, LLC | 58,160 | $6.49M | 0.02% | −20,061−25.6% | Reduced |
| Dimensional Fund Advisors LP | 55,427 | $6.21M | 0.00% | +55,427 | New |
| Pictet Asset Management Holding SA | 55,062 | $6.15M | 0.01% | +8,162+17.4% | Added |
| Ameriprise Financial Inc | 54,690 | $6.11M | 0.00% | +44,243+423.5% | Added |
| SBI Securities Co., Ltd. | 53,197 | $5.94M | 0.15% | +3,184+6.4% | Added |
| Millennium Management LLC | 52,230 | $5.83M | 0.00% | +40,074+329.7% | Added |
| Pinebridge Investments, L.P. | 51,807 | $5.78M | 0.04% | +51,807 | New |
| VestGen Advisors, LLC | 50,252 | $5.61M | 0.19% | +29,427+141.3% | Added |
| Prospera Financial Services Inc | 48,542 | $5.42M | 0.09% | −2,893−5.6% | Reduced |
| EAM Investors, LLC | 48,732 | $5.35M | 0.61% | −10,369−17.5% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 39,720 | $5.33M | 0.01% | +13,151+49.5% | Added |
| Stratos Wealth Partners, LTD. | 46,921 | $5.24M | 0.06% | +21,101+81.7% | Added |