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 |
|---|---|---|---|---|---|
| UBS Group AG | 59 | $1.00K | 0.00% | −849−93.5% | Reduced |
| Ancora Advisors, LLC | 100 | $1.00K | 0.00% | 00.0% | Unchanged |
| State of Wyoming | 483 | $5.00K | 0.00% | +483 | New |
| Tower Research Capital LLC (TRC) | 585 | $6.00K | 0.00% | +339+137.8% | Added |
| PenderFund Capital Management Ltd. | 6,346 | $79.0K | 0.02% | +6,346 | New |
| Penserra Capital Management LLC | 10,987 | $108.0K | 0.00% | +10,987 | New |
| Walleye Capital LLC | 12,800 | $126.0K | 0.00% | 00.0% | Unchanged |
| Berkley W R Corp | 19,782 | $195.0K | 0.01% | 00.0% | Unchanged |
| Prelude Capital Management, LLC | 29,480 | $290.0K | 0.01% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 31,100 | $306.0K | 0.00% | +1,700+5.8% | Added |
| Captrust Financial Advisors | 47,367 | $467.0K | 0.00% | +21,757+85.0% | Added |
| 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 |
| Caas Capital Management LP | 95,138 | $937.0K | 0.09% | −3,862−3.9% | Reduced |
| Starboard Value LPSuperinvestorStarboard Value | 96,000 | $946.0K | 0.01% | −4,000−4.0% | Reduced |
| HRT Financial LP | 97,389 | $959.0K | 0.01% | 00.0% | Unchanged |
| Farallon Capital Management, L.L.C. | 98,300 | $968.0K | 0.01% | +98,300 | New |
| 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 |
| Jane Street Group, LLC | 100,122 | $986.0K | 0.00% | +122+0.1% | Added |
| D. E. Shaw & Co., Inc. | 131,647 | $1.30M | 0.00% | +89,551+212.7% | Added |
| Exos Asset Management LLC | 134,236 | $1.32M | 0.68% | +1,887+1.4% | Added |
| Tenor Capital Management Co., L.P. | 140,992 | $1.39M | 0.03% | 00.0% | Unchanged |
| Weiss Asset Management LP | 147,800 | $1.46M | 0.03% | 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 |
| DuPont Capital Management Corp | 200,000 | $1.97M | 0.07% | 00.0% | Unchanged |
| Verition Fund Management LLC | 218,221 | $2.15M | 0.03% | −9,314−4.1% | Reduced |
| CNH Partners LLC | 247,500 | $2.44M | 0.07% | −2,500−1.0% | Reduced |
| Angelo Gordon & Co., L.P. | 250,000 | $2.46M | 0.24% | 00.0% | Unchanged |
| 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 |
| Silver Rock Financial LP | 376,301 | $3.69M | 0.65% | −23,799−5.9% | Reduced |
| Capstone Investment Advisors, LLC | 380,518 | $3.75M | 0.06% | +59,300+18.5% | 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 |
| Fortress Investment Group LLC | 416,563 | $4.10M | 0.16% | +201,148+93.4% | Added |
| CVI Holdings, LLC | 474,598 | $4.67M | 0.31% | −25,402−5.1% | Reduced |
| 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 |
| Bulldog Investors, LLP | 512,550 | $5.05M | 1.35% | +70,420+15.9% | Added |
| UBS Oconnor LLC | 515,770 | $5.08M | 0.05% | +13,812+2.8% | Added |
| Sage Rock Capital Management LP | 586,000 | $5.77M | 0.86% | 00.0% | Unchanged |
| Fir Tree Capital Management LP | 599,463 | $5.91M | 0.16% | −200,537−25.1% | Reduced |
| MMCAP International Inc. SPC | 600,000 | $5.91M | 0.37% | 00.0% | Unchanged |
| Kepos Capital LP | 625,000 | $6.16M | 0.51% | +156,638+33.4% | Added |
| 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 |
| 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 |
| Marshall Wace, LLP | 1,401,600 | $13.8M | 0.03% | +1,000,000+249.0% | Added |
| Adage Capital Partners GP, L.L.C. | 1,500,000 | $14.8M | 0.03% | 00.0% | Unchanged |
| 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 |
| Millennium Management LLC | 2,061,269 | $20.3M | 0.02% | +48,004+2.4% | Added |
| BlackRock Inc. | 2,502,725 | $24.7M | 0.00% | +7990.0% | Added |
| Citadel Advisors LLC | 3,124,845 | $30.8M | 0.03% | −607,852−16.3% | Reduced |
| PEAK6 Investments LLC | 3,297,000 | $32.5M | 0.91% | −8600.0% | Reduced |
| Magnetar Financial LLC | 3,530,264 | $34.8M | 0.35% | −26,823−0.8% | Reduced |
| Empyrean Capital Partners, LP | 3,750,000 | $36.9M | 0.98% | +1,250,000+50.0% | Added |
| Tiger Global Management LLCSuperinvestorTiger Global Management | 4,000,000 | $39.4M | 0.09% | 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 |