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, Q4 2021
Institutional positions in Oklo Inc. as of Dec 31, 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
- 68
- −2 vs. Q3 2021
- Shares held
- 47.0M
- −292.5K (−0.6%) vs. Q3 2021
- Total value
- $462.7M
- −$1.76M (−0.4%) vs. Q3 2021
- New holders
- 5
- 16 more added
- Sold out
- 7
- 11 more reduced
Compare with Q3 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, Q4 2021
Shares, value and share of portfolio for each institution holding Oklo Inc.; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Tiger Global Management LLCSuperinvestorTiger Global Management | 4,000,000 | $39.4M | 0.09% | 00.0% | Unchanged |
| Empyrean Capital Partners, LP | 3,750,000 | $36.9M | 0.98% | +1,250,000+50.0% | Added |
| Magnetar Financial LLC | 3,530,264 | $34.8M | 0.35% | −26,823−0.8% | Reduced |
| PEAK6 Investments LLC | 3,297,000 | $32.5M | 0.91% | −8600.0% | Reduced |
| Citadel Advisors LLC | 3,124,845 | $30.8M | 0.03% | −607,852−16.3% | Reduced |
| BlackRock Inc. | 2,502,725 | $24.7M | 0.00% | +7990.0% | Added |
| Millennium Management LLC | 2,061,269 | $20.3M | 0.02% | +48,004+2.4% | Added |
| Soroban Capital Partners LP | 2,000,000 | $19.7M | 0.15% | 00.0% | Unchanged |
| 40 North Management LLC | 2,000,000 | $19.7M | 0.52% | 00.0% | Unchanged |
| Adage Capital Partners GP, L.L.C. | 1,500,000 | $14.8M | 0.03% | 00.0% | Unchanged |
| Marshall Wace, LLP | 1,401,600 | $13.8M | 0.03% | +1,000,000+249.0% | Added |
| Cadian Capital Management, LP | 1,000,000 | $9.85M | 0.54% | 00.0% | Unchanged |
| BlueCrest Capital Management Ltd | 1,000,000 | $9.85M | 0.57% | 00.0% | Unchanged |
| Calamos Advisors LLC | 1,000,000 | $9.85M | 0.04% | 00.0% | Unchanged |
| Allianz Asset Management GmbH | 800,000 | $7.88M | 0.01% | 00.0% | Unchanged |
| TD Asset Management Inc | 800,000 | $7.88M | 0.01% | 00.0% | Unchanged |
| Woodline Partners LP | 800,000 | $7.88M | 0.12% | 00.0% | Unchanged |
| Kepos Capital LP | 625,000 | $6.16M | 0.51% | +156,638+33.4% | Added |
| MMCAP International Inc. SPC | 600,000 | $5.91M | 0.37% | 00.0% | Unchanged |
| Fir Tree Capital Management LP | 599,463 | $5.91M | 0.16% | −200,537−25.1% | Reduced |
| Sage Rock Capital Management LP | 586,000 | $5.77M | 0.86% | 00.0% | Unchanged |
| UBS Oconnor LLC | 515,770 | $5.08M | 0.05% | +13,812+2.8% | Added |
| Bulldog Investors, LLP | 512,550 | $5.05M | 1.35% | +70,420+15.9% | Added |
| Balyasny Asset Management LLC | 500,000 | $4.92M | 0.02% | 00.0% | Unchanged |
| Moore Capital Management, LP | 500,000 | $4.92M | 0.12% | 00.0% | Unchanged |
| Healthcare of Ontario Pension Plan Trust Fund | 500,000 | $4.92M | 0.01% | 00.0% | Unchanged |
| Castle Hook Partners LP | 500,000 | $4.92M | 0.56% | 00.0% | Unchanged |
| CVI Holdings, LLC | 474,598 | $4.67M | 0.31% | −25,402−5.1% | Reduced |
| Fortress Investment Group LLC | 416,563 | $4.10M | 0.16% | +201,148+93.4% | Added |
| Hound Partners, LLC | 400,000 | $3.94M | 0.23% | 00.0% | Unchanged |
| Blackstone Group Inc. | 400,000 | $3.94M | 0.01% | 00.0% | Unchanged |
| Spring Creek Capital LLC | 400,000 | $3.94M | 0.15% | 00.0% | Unchanged |
| Saba Capital Management, L.P. | 400,000 | $3.94M | 0.08% | 00.0% | Unchanged |
| Ghisallo Capital Management LLC | 400,000 | $3.94M | 0.20% | 00.0% | Unchanged |
| Capstone Investment Advisors, LLC | 380,518 | $3.75M | 0.06% | +59,300+18.5% | Added |
| Silver Rock Financial LP | 376,301 | $3.69M | 0.65% | −23,799−5.9% | Reduced |
| Diameter Capital Partners LP | 300,000 | $2.96M | 0.27% | 00.0% | Unchanged |
| Citigroup Inc | 300,000 | $2.96M | 0.00% | +19,069+6.8% | Added |
| Angelo Gordon & Co., L.P. | 250,000 | $2.46M | 0.24% | 00.0% | Unchanged |
| CNH Partners LLC | 247,500 | $2.44M | 0.07% | −2,500−1.0% | Reduced |
| Verition Fund Management LLC | 218,221 | $2.15M | 0.03% | −9,314−4.1% | Reduced |
| DuPont Capital Management Corp | 200,000 | $1.97M | 0.07% | 00.0% | Unchanged |
| Radcliffe Capital Management, L.P. | 150,000 | $1.48M | 0.05% | 00.0% | Unchanged |
| Picton Mahoney Asset Management | 150,000 | $1.48M | 0.05% | 00.0% | Unchanged |
| Weiss Asset Management LP | 147,800 | $1.46M | 0.03% | 00.0% | Unchanged |
| Tenor Capital Management Co., L.P. | 140,992 | $1.39M | 0.03% | 00.0% | Unchanged |
| Exos Asset Management LLC | 134,236 | $1.32M | 0.68% | +1,887+1.4% | Added |
| D. E. Shaw & Co., Inc. | 131,647 | $1.30M | 0.00% | +89,551+212.7% | Added |
| Jane Street Group, LLC | 100,122 | $986.0K | 0.00% | +122+0.1% | Added |
| Mint Tower Capital Management B.V. | 100,000 | $985.0K | 0.17% | 00.0% | Unchanged |
| ExodusPoint Capital Management, LP | 100,000 | $985.0K | 0.01% | 00.0% | Unchanged |
| Farallon Capital Management, L.L.C. | 98,300 | $968.0K | 0.01% | +98,300 | New |
| HRT Financial LP | 97,389 | $959.0K | 0.01% | 00.0% | Unchanged |
| Starboard Value LPSuperinvestorStarboard Value | 96,000 | $946.0K | 0.01% | −4,000−4.0% | Reduced |
| Caas Capital Management LP | 95,138 | $937.0K | 0.09% | −3,862−3.9% | Reduced |
| Whitebox Advisors LLC | 50,000 | $493.0K | 0.01% | 00.0% | Unchanged |
| Bank of Nova Scotia | 50,000 | $493.0K | 0.00% | +50,000 | New |
| Captrust Financial Advisors | 47,367 | $467.0K | 0.00% | +21,757+85.0% | Added |
| Advisor Group Holdings, Inc. | 31,100 | $306.0K | 0.00% | +1,700+5.8% | Added |
| Prelude Capital Management, LLC | 29,480 | $290.0K | 0.01% | 00.0% | Unchanged |
| Berkley W R Corp | 19,782 | $195.0K | 0.01% | 00.0% | Unchanged |
| Walleye Capital LLC | 12,800 | $126.0K | 0.00% | 00.0% | Unchanged |
| Penserra Capital Management LLC | 10,987 | $108.0K | 0.00% | +10,987 | New |
| PenderFund Capital Management Ltd. | 6,346 | $79.0K | 0.02% | +6,346 | New |
| Tower Research Capital LLC (TRC) | 585 | $6.00K | 0.00% | +339+137.8% | Added |
| State of Wyoming | 483 | $5.00K | 0.00% | +483 | New |
| UBS Group AG | 59 | $1.00K | 0.00% | −849−93.5% | Reduced |
| Ancora Advisors, LLC | 100 | $1.00K | 0.00% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −1,000,000−100.0% | Sold out |
| Highbridge Capital Management LLC | 0 | $0 | 0.00% | −721,274−100.0% | Sold out |
| Alberta Investment Management Corp | 0 | $0 | 0.00% | −500,000−100.0% | Sold out |
| Athanor Capital, LP | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| Parallax Volatility Advisers, L.P. | 0 | $0 | 0.00% | −96,136−100.0% | Sold out |
| Omers Administration Corp | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| DLD Asset Management, LP | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |