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 2021
Institutional positions in Oklo Inc. as of Sep 30, 2021. 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
- 70
- +70 vs. Q2 2021
- Shares held
- 47.3M
- +47.3M vs. Q2 2021
- Total value
- $464.4M
- +$464.4M vs. Q2 2021
- New holders
- 70
- 0 more added
- Sold out
- 0
- 0 more reduced
Compare with Q2 2021: 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 2021
Shares, value and share of portfolio for each institution holding Oklo Inc.; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Tiger Global Management LLCSuperinvestorTiger Global Management | 4,000,000 | $39.3M | 0.08% | +4,000,000 | New |
| Citadel Advisors LLC | 3,732,697 | $36.7M | 0.04% | +3,732,697 | New |
| Magnetar Financial LLC | 3,557,087 | $35.0M | 0.36% | +3,557,087 | New |
| PEAK6 Investments LLC | 3,297,860 | $32.4M | 0.66% | +3,297,860 | New |
| Empyrean Capital Partners, LP | 2,500,000 | $24.6M | 0.58% | +2,500,000 | New |
| BlackRock Inc. | 2,501,926 | $24.5M | 0.00% | +2,501,926 | New |
| Millennium Management LLC | 2,013,265 | $19.8M | 0.03% | +2,013,265 | New |
| Soroban Capital Partners LP | 2,000,000 | $19.7M | 0.18% | +2,000,000 | New |
| 40 North Management LLC | 2,000,000 | $19.7M | 0.65% | +2,000,000 | New |
| Adage Capital Partners GP, L.L.C. | 1,500,000 | $14.7M | 0.03% | +1,500,000 | New |
| Cadian Capital Management, LP | 1,000,000 | $9.83M | 0.37% | +1,000,000 | New |
| BlueCrest Capital Management Ltd | 1,000,000 | $9.83M | 0.48% | +1,000,000 | New |
| Calamos Advisors LLC | 1,000,000 | $9.82M | 0.05% | +1,000,000 | New |
| Schonfeld Strategic Advisors LLC | 1,000,000 | $9.82M | 0.11% | +1,000,000 | New |
| Fir Tree Capital Management LP | 800,000 | $7.86M | 0.27% | +800,000 | New |
| Allianz Asset Management GmbH | 800,000 | $7.86M | 0.01% | +800,000 | New |
| TD Asset Management Inc | 800,000 | $7.86M | 0.01% | +800,000 | New |
| Woodline Partners LP | 800,000 | $7.85M | 0.13% | +800,000 | New |
| Highbridge Capital Management LLC | 721,274 | $7.09M | 0.20% | +721,274 | New |
| MMCAP International Inc. SPC | 600,000 | $5.90M | 0.41% | +600,000 | New |
| Sage Rock Capital Management LP | 586,000 | $5.76M | 0.86% | +586,000 | New |
| UBS Oconnor LLC | 501,958 | $4.93M | 0.04% | +501,958 | New |
| Balyasny Asset Management LLC | 500,000 | $4.92M | 0.02% | +500,000 | New |
| Moore Capital Management, LP | 500,000 | $4.92M | 0.10% | +500,000 | New |
| Alberta Investment Management Corp | 500,000 | $4.92M | 0.04% | +500,000 | New |
| Healthcare of Ontario Pension Plan Trust Fund | 500,000 | $4.92M | 0.01% | +500,000 | New |
| Castle Hook Partners LP | 500,000 | $4.92M | 0.35% | +500,000 | New |
| CVI Holdings, LLC | 500,000 | $4.91M | 0.31% | +500,000 | New |
| Kepos Capital LP | 468,362 | $4.60M | 0.31% | +468,362 | New |
| Bulldog Investors, LLP | 442,130 | $4.34M | 1.23% | +442,130 | New |
| Marshall Wace, LLP | 401,600 | $3.95M | 0.02% | +401,600 | New |
| Hound Partners, LLC | 400,000 | $3.93M | 0.22% | +400,000 | New |
| Blackstone Group Inc. | 400,000 | $3.93M | 0.01% | +400,000 | New |
| Spring Creek Capital LLC | 400,000 | $3.93M | 0.19% | +400,000 | New |
| Saba Capital Management, L.P. | 400,000 | $3.93M | 0.13% | +400,000 | New |
| Ghisallo Capital Management LLC | 400,000 | $3.93M | 0.15% | +400,000 | New |
| Silver Rock Financial LP | 400,100 | $3.92M | 0.59% | +400,100 | New |
| Capstone Investment Advisors, LLC | 321,218 | $3.16M | 0.06% | +321,218 | New |
| Diameter Capital Partners LP | 300,000 | $2.95M | 0.34% | +300,000 | New |
| Citigroup Inc | 280,931 | $2.76M | 0.00% | +280,931 | New |
| Angelo Gordon & Co., L.P. | 250,000 | $2.46M | 0.29% | +250,000 | New |
| CNH Partners LLC | 250,000 | $2.45M | 0.07% | +250,000 | New |
| Verition Fund Management LLC | 227,535 | $2.24M | 0.03% | +227,535 | New |
| Fortress Investment Group LLC | 215,415 | $2.12M | 0.12% | +215,415 | New |
| DuPont Capital Management Corp | 200,000 | $1.96M | 0.06% | +200,000 | New |
| Radcliffe Capital Management, L.P. | 150,000 | $1.47M | 0.06% | +150,000 | New |
| Picton Mahoney Asset Management | 150,000 | $1.47M | 0.06% | +150,000 | New |
| Weiss Asset Management LP | 147,800 | $1.45M | 0.04% | +147,800 | New |
| Tenor Capital Management Co., L.P. | 140,992 | $1.39M | 0.03% | +140,992 | New |
| Exos Asset Management LLC | 132,349 | $1.30M | 0.69% | +132,349 | New |
| Starboard Value LPSuperinvestorStarboard Value | 100,000 | $983.0K | 0.02% | +100,000 | New |
| Mint Tower Capital Management B.V. | 100,000 | $983.0K | 0.18% | +100,000 | New |
| Athanor Capital, LP | 100,000 | $983.0K | 0.16% | +100,000 | New |
| ExodusPoint Capital Management, LP | 100,000 | $983.0K | 0.01% | +100,000 | New |
| Jane Street Group, LLC | 100,000 | $981.0K | 0.00% | +100,000 | New |
| Caas Capital Management LP | 99,000 | $973.0K | 0.07% | +99,000 | New |
| HRT Financial LP | 97,389 | $957.0K | 0.01% | +97,389 | New |
| Parallax Volatility Advisers, L.P. | 96,136 | $944.0K | 0.01% | +96,136 | New |
| Omers Administration Corp | 50,000 | $494.0K | 0.01% | +50,000 | New |
| Whitebox Advisors LLC | 50,000 | $492.0K | 0.01% | +50,000 | New |
| D. E. Shaw & Co., Inc. | 42,096 | $414.0K | 0.00% | +42,096 | New |
| Prelude Capital Management, LLC | 29,480 | $290.0K | 0.02% | +29,480 | New |
| Advisor Group Holdings, Inc. | 29,400 | $288.0K | 0.00% | +29,400 | New |
| Captrust Financial Advisors | 25,610 | $251.0K | 0.00% | +25,610 | New |
| DLD Asset Management, LP | 20,000 | $197.0K | 0.02% | +20,000 | New |
| Berkley W R Corp | 19,782 | $195.0K | 0.01% | +19,782 | New |
| Walleye Capital LLC | 12,800 | $126.0K | 0.00% | +12,800 | New |
| UBS Group AG | 908 | $9.00K | 0.00% | +908 | New |
| Tower Research Capital LLC (TRC) | 246 | $2.00K | 0.00% | +246 | New |
| Ancora Advisors, LLC | 100 | $1.00K | 0.00% | +100 | New |