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 |
|---|---|---|---|---|---|
| Ancora Advisors, LLC | 100 | $1.00K | 0.00% | +100 | New |
| Tower Research Capital LLC (TRC) | 246 | $2.00K | 0.00% | +246 | New |
| UBS Group AG | 908 | $9.00K | 0.00% | +908 | New |
| Walleye Capital LLC | 12,800 | $126.0K | 0.00% | +12,800 | New |
| Berkley W R Corp | 19,782 | $195.0K | 0.01% | +19,782 | New |
| DLD Asset Management, LP | 20,000 | $197.0K | 0.02% | +20,000 | New |
| Captrust Financial Advisors | 25,610 | $251.0K | 0.00% | +25,610 | New |
| Advisor Group Holdings, Inc. | 29,400 | $288.0K | 0.00% | +29,400 | New |
| Prelude Capital Management, LLC | 29,480 | $290.0K | 0.02% | +29,480 | New |
| D. E. Shaw & Co., Inc. | 42,096 | $414.0K | 0.00% | +42,096 | New |
| Whitebox Advisors LLC | 50,000 | $492.0K | 0.01% | +50,000 | New |
| Omers Administration Corp | 50,000 | $494.0K | 0.01% | +50,000 | New |
| Parallax Volatility Advisers, L.P. | 96,136 | $944.0K | 0.01% | +96,136 | New |
| HRT Financial LP | 97,389 | $957.0K | 0.01% | +97,389 | New |
| Caas Capital Management LP | 99,000 | $973.0K | 0.07% | +99,000 | New |
| Jane Street Group, LLC | 100,000 | $981.0K | 0.00% | +100,000 | 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 |
| Exos Asset Management LLC | 132,349 | $1.30M | 0.69% | +132,349 | New |
| Tenor Capital Management Co., L.P. | 140,992 | $1.39M | 0.03% | +140,992 | New |
| Weiss Asset Management LP | 147,800 | $1.45M | 0.04% | +147,800 | New |
| Picton Mahoney Asset Management | 150,000 | $1.47M | 0.06% | +150,000 | New |
| Radcliffe Capital Management, L.P. | 150,000 | $1.47M | 0.06% | +150,000 | New |
| DuPont Capital Management Corp | 200,000 | $1.96M | 0.06% | +200,000 | New |
| Fortress Investment Group LLC | 215,415 | $2.12M | 0.12% | +215,415 | New |
| Verition Fund Management LLC | 227,535 | $2.24M | 0.03% | +227,535 | New |
| CNH Partners LLC | 250,000 | $2.45M | 0.07% | +250,000 | New |
| Angelo Gordon & Co., L.P. | 250,000 | $2.46M | 0.29% | +250,000 | New |
| Citigroup Inc | 280,931 | $2.76M | 0.00% | +280,931 | New |
| Diameter Capital Partners LP | 300,000 | $2.95M | 0.34% | +300,000 | New |
| Capstone Investment Advisors, LLC | 321,218 | $3.16M | 0.06% | +321,218 | New |
| Silver Rock Financial LP | 400,100 | $3.92M | 0.59% | +400,100 | 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 |
| Marshall Wace, LLP | 401,600 | $3.95M | 0.02% | +401,600 | New |
| Bulldog Investors, LLP | 442,130 | $4.34M | 1.23% | +442,130 | New |
| Kepos Capital LP | 468,362 | $4.60M | 0.31% | +468,362 | New |
| CVI Holdings, LLC | 500,000 | $4.91M | 0.31% | +500,000 | 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 |
| UBS Oconnor LLC | 501,958 | $4.93M | 0.04% | +501,958 | New |
| Sage Rock Capital Management LP | 586,000 | $5.76M | 0.86% | +586,000 | New |
| MMCAP International Inc. SPC | 600,000 | $5.90M | 0.41% | +600,000 | New |
| Highbridge Capital Management LLC | 721,274 | $7.09M | 0.20% | +721,274 | New |
| Woodline Partners LP | 800,000 | $7.85M | 0.13% | +800,000 | New |
| TD Asset Management Inc | 800,000 | $7.86M | 0.01% | +800,000 | 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 |
| 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 |
| 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 |
| Adage Capital Partners GP, L.L.C. | 1,500,000 | $14.7M | 0.03% | +1,500,000 | 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 |
| Millennium Management LLC | 2,013,265 | $19.8M | 0.03% | +2,013,265 | New |
| BlackRock Inc. | 2,501,926 | $24.5M | 0.00% | +2,501,926 | New |
| Empyrean Capital Partners, LP | 2,500,000 | $24.6M | 0.58% | +2,500,000 | New |
| PEAK6 Investments LLC | 3,297,860 | $32.4M | 0.66% | +3,297,860 | New |
| Magnetar Financial LLC | 3,557,087 | $35.0M | 0.36% | +3,557,087 | New |
| Citadel Advisors LLC | 3,732,697 | $36.7M | 0.04% | +3,732,697 | New |
| Tiger Global Management LLCSuperinvestorTiger Global Management | 4,000,000 | $39.3M | 0.08% | +4,000,000 | New |