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 20 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 |
|---|---|---|---|---|---|
| Swiss National Bank | 200,000 | $22.3M | 0.01% | +80,300+67.1% | Added |
| Sculptor Capital LP | 210,700 | $23.5M | 0.32% | −1000.0% | Reduced |
| Exchange Traded Concepts, LLC | 210,773 | $23.5M | 0.22% | +11,968+6.0% | Added |
| UBS Asset Management Americas Inc | 217,251 | $24.3M | 0.01% | −20,237−8.5% | Reduced |
| Invesco Ltd. | 219,040 | $24.5M | 0.00% | +81,643+59.4% | Added |
| Cardiff Park Advisors, LLC | 223,240 | $24.9M | 1.91% | −100,000−30.9% | Reduced |
| CI Private Wealth, LLC | 223,715 | $25.0M | 0.04% | −19,929−8.2% | Reduced |
| Ghisallo Capital Management LLC | 250,000 | $27.9M | 0.91% | −400,000−61.5% | Reduced |
| Renaissance Technologies LLC | 267,600 | $29.9M | 0.04% | +267,600 | New |
| Nuveen, LLC | 268,028 | $29.9M | 0.01% | +31,653+13.4% | Added |
| Atomi Financial Group, Inc. | 269,823 | $30.1M | 0.98% | −592,058−68.7% | Reduced |
| Royal Bank of Canada | 282,191 | $31.5M | 0.01% | +72,812+34.8% | Added |
| Price T Rowe Associates Inc | 285,280 | $31.8M | 0.00% | +209,020+274.1% | Added |
| Nomura Holdings Inc | 298,542 | $33.3M | 0.15% | +298,542 | New |
| Raymond James Financial Inc | 331,844 | $37.0M | 0.01% | −5,504−1.6% | Reduced |
| Wells Fargo & Company | 334,310 | $37.3M | 0.01% | +70,308+26.6% | Added |
| D. E. Shaw & Co., Inc. | 351,130 | $39.2M | 0.03% | −836,093−70.4% | Reduced |
| Bank of New York Mellon Corp | 378,523 | $42.3M | 0.01% | +77,342+25.7% | Added |
| Clear Street Group Inc. | 400,000 | $44.7M | 0.22% | +400,000 | New |
| Wellington Management Group LLP | 450,729 | $50.3M | 0.01% | −105,379−18.9% | Reduced |
| Bank of America Corp | 462,260 | $51.6M | 0.00% | +319,289+223.3% | Added |
| Capital World Investors | 481,015 | $53.7M | 0.01% | +481,015 | New |
| LPL Financial LLC | 487,519 | $54.4M | 0.02% | +10,864+2.3% | Added |
| Goldman Sachs Group Inc | 491,112 | $54.8M | 0.01% | −42,734−8.0% | Reduced |
| T. Rowe Price Investment Management, Inc. | 625,431 | $69.8M | 0.04% | +625,431 | New |
| Hood River Capital Management LLC | 662,576 | $74.0M | 0.87% | −68,247−9.3% | Reduced |
| Marex Group plc | 654,644 | $75.9M | 0.94% | +346,604+112.5% | Added |
| Cantor Fitzgerald, L. P. | 708,000 | $79.0M | 1.55% | +708,000 | New |
| Portland Investment Counsel Inc. | 766,480 | $85.6M | 23.42% | 00.0% | Unchanged |
| Northern Trust Corp | 966,459 | $107.9M | 0.01% | +153,288+18.9% | Added |
| JPMorgan Chase & Co | 1,031,724 | $115.2M | 0.01% | +621,916+151.8% | Added |
| Charles Schwab Investment Management Inc | 1,070,065 | $119.5M | 0.02% | +297,880+38.6% | Added |
| Morgan Stanley | 2,295,349 | $256.2M | 0.02% | +1,002,946+77.6% | Added |
| State Street Corp | 2,476,036 | $276.4M | 0.01% | +337,378+15.8% | Added |
| UBS Group AG | 2,523,487 | $281.7M | 0.06% | +1,098,263+77.1% | Added |
| Geode Capital Management, LLC | 2,630,742 | $293.7M | 0.02% | +382,317+17.0% | Added |
| Van Eck Associates Corp | 3,474,993 | $387.9M | 0.36% | +1,316,867+61.0% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 7,102,234 | $792.8M | 1.27% | +2,968,981+71.8% | Added |
| BlackRock, Inc. | 8,615,597 | $961.8M | 0.02% | +1,298,177+17.7% | Added |
| Vanguard Group Inc | 11,593,468 | $1.29B | 0.02% | +2,901,909+33.4% | Added |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −1,492,879−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −567,759−100.0% | Sold out |
| Alyeska Investment Group, L.P. | 0 | $0 | 0.00% | −455,519−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −275,311−100.0% | Sold out |
| Headlands Technologies LLC | 0 | $0 | 0.00% | −167,247−100.0% | Sold out |
| Windmill Hill Asset Management Ltd | 0 | $0 | 0.00% | −102,855−100.0% | Sold out |
| SPX Equities Gestao de Recursos Ltda | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| Covalis Capital LLP | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| Monashee Investment Management LLC | 0 | $0 | 0.00% | −90,000−100.0% | Sold out |
| Vennlight Capital Management, LP | 0 | $0 | 0.00% | −87,474−100.0% | Sold out |
| Avenir Tech Ltd | 0 | $0 | 0.00% | −87,050−100.0% | Sold out |
| Cinctive Capital Management LP | 0 | $0 | 0.00% | −83,666−100.0% | Sold out |
| EAM Global Investors LLC | 0 | $0 | 0.00% | −54,972−100.0% | Sold out |
| CloudAlpha Capital Management Limited/Hong Kong | 0 | $0 | 0.00% | −52,101−100.0% | Sold out |
| Eisler Capital Management Ltd. | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| Gotham Asset Management, LLC | 0 | $0 | 0.00% | −46,612−100.0% | Sold out |
| Winnow Wealth LLC | 0 | $0 | 0.00% | −40,865−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −38,169−100.0% | Sold out |
| WCG Wealth Advisors LLC | 0 | $0 | 0.00% | −36,236−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −36,010−100.0% | Sold out |
| Nebula Research & Development LLC | 0 | $0 | 0.00% | −31,209−100.0% | Sold out |
| Arrow Capital Pty Ltd | 0 | $0 | 0.00% | −18,660−100.0% | Sold out |
| J. Goldman & Co LP | 0 | $0 | 0.00% | −27,616−100.0% | Sold out |
| Ardsley Advisory Partners LP | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |
| SkyView Investment Advisors, LLC | 0 | $0 | 0.00% | −17,500−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −16,931−100.0% | Sold out |
| Symmetry Investments LP | 0 | $0 | 0.00% | −15,200−100.0% | Sold out |
| JW Asset Management, LLC | 0 | $0 | 0.00% | −15,000−100.0% | Sold out |
| Lisanti Capital Growth, LLC | 0 | $0 | 0.00% | −14,970−100.0% | Sold out |
| Wolverine Trading, LLC | 0 | $0 | 0.00% | −14,946−100.0% | Sold out |
| Wealthedge Investment Advisors, LLC | 0 | $0 | 0.00% | −13,173−100.0% | Sold out |
| Moore Capital Management, LP | 0 | $0 | 0.00% | −13,000−100.0% | Sold out |
| Per Stirling Capital Management, LLC. | 0 | $0 | 0.00% | −12,557−100.0% | Sold out |
| Balboa Wealth Partners | 0 | $0 | 0.00% | −11,828−100.0% | Sold out |
| Financial Advocates Investment Management | 0 | $0 | 0.00% | −11,387−100.0% | Sold out |
| Optimize Financial Inc | 0 | $0 | 0.00% | −7,784−100.0% | Sold out |
| HBK Investments L P | 0 | $0 | 0.00% | −7,500−100.0% | Sold out |
| PFG Advisors | 0 | $0 | 0.00% | −6,397−100.0% | Sold out |
| SCS Capital Management LLC | 0 | $0 | 0.00% | −6,241−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −6,132−100.0% | Sold out |
| National Asset Management, Inc. | 0 | $0 | 0.00% | −5,765−100.0% | Sold out |
| CastleKnight Management LP | 0 | $0 | 0.00% | −5,600−100.0% | Sold out |
| Strategies Wealth Advisors, LLC | 0 | $0 | 0.00% | −5,596−100.0% | Sold out |
| Sender Co & Partners, Inc. | 0 | $0 | 0.00% | −5,198−100.0% | Sold out |
| Black Swift Group, LLC | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| McAlister, Sweet & Associates, Inc. | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| Infini Capital Management Ltd | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| Clear Street Markets LLC | 0 | $0 | 0.00% | −4,509−100.0% | Sold out |
| Level Four Advisory Services, LLC | 0 | $0 | 0.00% | −4,262−100.0% | Sold out |
| Integrity Wealth Solutions LLC | 0 | $0 | 0.00% | −4,218−100.0% | Sold out |
| Kera Capital Partners, Inc. | 0 | $0 | 0.00% | −3,790−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −3,568−100.0% | Sold out |
| Atticus Wealth Management, LLC | 0 | $0 | 0.00% | −600−100.0% | Sold out |
| Natixis | 0 | $0 | 0.00% | −524−100.0% | Sold out |
| Mount Yale Investment Advisors, LLC | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| Fourth Dimension Wealth, LLC | 0 | $0 | 0.00% | −450−100.0% | Sold out |
| Delos Wealth Advisors, LLC | 0 | $0 | 0.00% | −350−100.0% | Sold out |
| Dogwood Wealth Management LLC | 0 | $0 | 0.00% | −202−100.0% | Sold out |
| Cherry Tree Wealth Management, LLC | 0 | $0 | 0.00% | −154−100.0% | Sold out |
| New England Capital Financial Advisors LLC | 0 | $0 | 0.00% | −95−100.0% | Sold out |