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 22 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 2022
Institutional positions in Oklo Inc. as of Dec 31, 2022. 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
- 73
- −4 vs. Q3 2022
- Shares held
- 47.0M
- −1.59M (−3.3%) vs. Q3 2022
- Total value
- $466.4M
- −$7.96M (−1.7%) vs. Q3 2022
- New holders
- 6
- 16 more added
- Sold out
- 10
- 9 more reduced
Compare with Q3 2022: 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 2022
Shares, value and share of portfolio for each institution holding Oklo Inc.; share changes are against Q3 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Royal Bank of Canada | 1,300 | $13.0K | 0.00% | 00.0% | Unchanged |
| PenderFund Capital Management Ltd. | 6,346 | $85.0K | 0.03% | −580−8.4% | Reduced |
| Walleye Capital LLC | 12,800 | $127.0K | 0.00% | 00.0% | Unchanged |
| Berkley W R Corp | 19,782 | $196.2K | 0.01% | 00.0% | Unchanged |
| Deltec Asset Management LLC | 24,687 | $244.9K | 0.07% | 00.0% | Unchanged |
| Condor Capital Management | 25,723 | $255.2K | 0.03% | +14,200+123.2% | Added |
| Toroso Investments, LLC | 30,000 | $298.0K | 0.01% | +30,000 | New |
| Advisor Group Holdings, Inc. | 30,485 | $302.0K | 0.00% | −100−0.3% | Reduced |
| Captrust Financial Advisors | 33,186 | $329.2K | 0.00% | −4,100−11.0% | Reduced |
| Robinson Capital Management, LLC | 42,000 | $417.1K | 0.21% | +30,000+250.0% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 44,530 | $442.0K | 0.00% | 00.0% | Unchanged |
| Bank of Nova Scotia | 50,000 | $496.0K | 0.00% | 00.0% | Unchanged |
| Whitebox Advisors LLC | 50,000 | $496.0K | 0.02% | 00.0% | Unchanged |
| Sage Mountain Advisors LLC | 52,150 | $517.3K | 0.12% | +31,991+158.7% | Added |
| Cantor Fitzgerald, L. P. | 67,147 | $666.0K | 0.01% | −174,904−72.3% | Reduced |
| Atlas Merchant Capital LLC | 75,000 | $744.0K | 0.12% | +75,000 | New |
| Elequin Capital LP | 79,825 | $791.9K | 0.22% | +78,757+7,374.3% | Added |
| Gritstone Asset Management LLC | 81,959 | $813.0K | 1.04% | +81,959 | New |
| Starboard Value LPSuperinvestorStarboard Value | 82,300 | $816.4K | 0.02% | 00.0% | Unchanged |
| Crestline Management, LP | 90,400 | $896.8K | 0.13% | +57,714+176.6% | Added |
| Caas Capital Management LP | 95,138 | $943.8K | 0.18% | 00.0% | Unchanged |
| HRT Financial LP | 97,389 | $966.0K | 0.01% | 00.0% | Unchanged |
| Farallon Capital Management, L.L.C. | 98,300 | $975.1K | 0.01% | 00.0% | Unchanged |
| Segantii Capital Management Ltd | 100,000 | $992.0K | 0.04% | 00.0% | Unchanged |
| Mint Tower Capital Management B.V. | 100,000 | $992.0K | 0.11% | 00.0% | Unchanged |
| Jane Street Group, LLC | 100,107 | $993.1K | 0.00% | −54−0.1% | Reduced |
| Rivernorth Capital Management, LLC | 137,000 | $1.36M | 0.06% | 00.0% | Unchanged |
| Tenor Capital Management Co., L.P. | 140,992 | $1.40M | 0.03% | 00.0% | Unchanged |
| Picton Mahoney Asset Management | 150,000 | $1.49M | 0.08% | 00.0% | Unchanged |
| Wealthspring Capital LLC | 193,421 | $1.92M | 2.87% | +107,671+125.6% | Added |
| DuPont Capital Management Corp | 200,000 | $1.98M | 0.09% | 00.0% | Unchanged |
| Sculptor Capital LP | 228,914 | $2.27M | 0.04% | 00.0% | Unchanged |
| Deutsche Bank AG | 250,000 | $2.48M | 0.00% | +250,000 | New |
| Periscope Capital Inc. | 259,377 | $2.57M | 0.11% | +259,377 | New |
| Spartan Fund Management Inc. | 309,173 | $3.07M | 1.11% | +139,173+81.9% | Added |
| Capstone Investment Advisors, LLC | 373,551 | $3.71M | 0.10% | 00.0% | Unchanged |
| Silver Rock Financial LP | 376,301 | $3.73M | 1.18% | 00.0% | Unchanged |
| Verition Fund Management LLC | 392,211 | $3.89M | 0.08% | +186,114+90.3% | Added |
| Saba Capital Management, L.P. | 400,000 | $3.97M | 0.07% | 00.0% | Unchanged |
| Ghisallo Capital Management LLC | 400,000 | $3.97M | 0.71% | 00.0% | Unchanged |
| Bulldog Investors, LLP | 414,095 | $4.11M | 1.24% | −16,845−3.9% | Reduced |
| HSBC Holdings PLC | 421,096 | $4.18M | 0.01% | +171,097+68.4% | Added |
| Sage Rock Capital Management LP | 448,500 | $4.45M | 1.39% | 00.0% | Unchanged |
| Mangrove Partners | 450,000 | $4.46M | 0.43% | 00.0% | Unchanged |
| CVI Holdings, LLC | 473,801 | $4.70M | 0.60% | 00.0% | Unchanged |
| Balyasny Asset Management LLC | 500,000 | $4.96M | 0.02% | 00.0% | Unchanged |
| Moore Capital Management, LP | 500,000 | $4.96M | 0.14% | 00.0% | Unchanged |
| Healthcare of Ontario Pension Plan Trust Fund | 500,000 | $4.96M | 0.03% | 00.0% | Unchanged |
| Castle Hook Partners LP | 500,000 | $4.96M | 0.55% | 00.0% | Unchanged |
| Fir Tree Capital Management LP | 505,129 | $5.01M | 0.26% | −69,284−12.1% | Reduced |
| Kepos Capital LP | 575,000 | $5.70M | 0.82% | +75,000+15.0% | Added |
| MMCAP International Inc. SPC | 600,000 | $5.95M | 0.60% | 00.0% | Unchanged |
| Exos TFP Holdings LLC | 607,968 | $6.03M | 1.67% | +477,133+364.7% | Added |
| Schechter Investment Advisors, LLC | 699,891 | $6.94M | 0.63% | +643,151+1,133.5% | Added |
| D. E. Shaw & Co., Inc. | 732,678 | $7.27M | 0.01% | +597,000+440.0% | Added |
| Alberta Investment Management Corp | 791,309 | $7.85M | 0.07% | 00.0% | Unchanged |
| Woodline Partners LP | 800,000 | $7.94M | 0.11% | 00.0% | Unchanged |
| CSS LLC | 910,496 | $9.03M | 0.59% | +416,132+84.2% | Added |
| Kim, LLC | 952,500 | $9.45M | 0.52% | +552,500+138.1% | Added |
| Calamos Advisors LLC | 1,000,000 | $9.92M | 0.05% | 00.0% | Unchanged |
| TD Asset Management Inc | 1,018,700 | $10.1M | 0.01% | 00.0% | Unchanged |
| CNH Partners LLC | 1,037,813 | $10.3M | 0.26% | +515,213+98.6% | Added |
| BlueCrest Capital Management Ltd | 1,100,000 | $10.9M | 1.32% | 00.0% | Unchanged |
| Radcliffe Capital Management, L.P. | 1,264,411 | $12.5M | 0.54% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 1,281,220 | $12.7M | 0.01% | +1,281,220 | New |
| Adage Capital Partners GP, L.L.C. | 1,500,000 | $14.9M | 0.04% | 00.0% | Unchanged |
| Millennium Management LLC | 1,760,438 | $17.5M | 0.02% | −401,072−18.6% | Reduced |
| Marshall Wace, LLP | 2,300,339 | $22.8M | 0.06% | 00.0% | Unchanged |
| Citadel Advisors LLC | 2,500,000 | $24.8M | 0.03% | −2440.0% | Reduced |
| PEAK6 Investments LLC | 3,297,000 | $32.7M | 1.80% | 00.0% | Unchanged |
| Magnetar Financial LLC | 3,420,300 | $33.9M | 0.58% | 00.0% | Unchanged |
| Tiger Global Management LLCSuperinvestorTiger Global Management | 4,000,000 | $39.7M | 0.49% | 00.0% | Unchanged |
| Empyrean Capital Partners, LP | 4,847,126 | $48.1M | 1.78% | 00.0% | Unchanged |
| BlackRock Inc. | 0 | $0 | 0.00% | −2,031,573−100.0% | Sold out |
| Soroban Capital Partners LP | 0 | $0 | 0.00% | −2,000,000−100.0% | Sold out |
| Cadian Capital Management, LP | 0 | $0 | 0.00% | −1,000,000−100.0% | Sold out |
| BNP Paribas Arbitrage, SA | 0 | $0 | 0.00% | −631,057−100.0% | Sold out |
| RP Investment Advisors LP | 0 | $0 | 0.00% | −550,000−100.0% | Sold out |
| UBS Oconnor LLC | 0 | $0 | 0.00% | −477,246−100.0% | Sold out |
| Citigroup Inc | 0 | $0 | 0.00% | −300,000−100.0% | Sold out |
| Bank of America Corp | 0 | $0 | 0.00% | −3,272−100.0% | Sold out |
| UBS Group AG | 0 | $0 | 0.00% | −2,073−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −525−100.0% | Sold out |