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 20 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 2025
Institutional positions in Oklo Inc. as of Dec 31, 2025. 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
- 683
- +53 vs. Q3 2025
- Shares held
- 74.8M
- +10.1M (+15.5%) vs. Q3 2025
- Total value
- $5.37B
- −$1.85B (−25.7%) vs. Q3 2025
- New holders
- 190
- 231 more added
- Sold out
- 137
- 196 more reduced
10 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: 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 2025
Shares, value and share of portfolio for each institution holding Oklo Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| National Bank of Canada | 82,220 | $5.90M | 0.01% | +3,660+4.7% | Added |
| Cambridge Investment Research Advisors, Inc. | 83,958 | $6.03M | 0.02% | −20,052−19.3% | Reduced |
| KLP Kapitalforvaltning AS | 84,300 | $6.05M | 0.02% | +58,600+228.0% | Added |
| Jones Financial Companies LLLP | 85,347 | $6.12M | 0.00% | +15,796+22.7% | Added |
| FFG Partners, LLC | 93,037 | $6.68M | 1.94% | +1,062+1.2% | Added |
| Foundations Investment Advisors, LLC | 95,061 | $6.82M | 0.09% | +12,233+14.8% | Added |
| Bessemer Group Inc | 98,442 | $7.07M | 0.01% | +97,822+15,777.7% | Added |
| Strategic Planning Group, LLC | 98,878 | $7.10M | 0.91% | −3,234−3.2% | Reduced |
| Ghisallo Capital Management LLC | 100,000 | $7.18M | 0.32% | −150,000−60.0% | Reduced |
| Commonwealth Equity Services, LLC | 101,052 | $7.25M | 0.01% | −13,031−11.4% | Reduced |
| HITE Hedge Asset Management LLC | 103,643 | $7.44M | 0.47% | −45,000−30.3% | Reduced |
| Amundi | 103,663 | $7.44M | 0.00% | +103,663 | New |
| Two Sigma Investments, LP | 104,861 | $7.52M | 0.01% | −575−0.5% | Reduced |
| Price T Rowe Associates Inc | 107,866 | $7.74M | 0.00% | −177,414−62.2% | Reduced |
| Advisor Group Holdings, Inc. | 111,966 | $8.03M | 0.01% | −53,870−32.5% | Reduced |
| HSBC Holdings PLC | 112,372 | $8.06M | 0.00% | +103,623+1,184.4% | Added |
| Virtu Financial LLC | 113,511 | $8.14M | 0.32% | +20,236+21.7% | Added |
| Invesco Ltd. | 113,597 | $8.15M | 0.00% | −105,443−48.1% | Reduced |
| Jain Global LLC | 117,599 | $8.44M | 0.08% | +117,599 | New |
| SG Americas Securities, LLC | 120,752 | $8.66M | 0.01% | +97,519+419.7% | Added |
| Nomura Holdings Inc | 121,464 | $8.72M | 0.02% | −177,078−59.3% | Reduced |
| Alliancebernstein L.P. | 122,998 | $8.83M | 0.00% | −45,797−27.1% | Reduced |
| Colony Group, LLC | 125,059 | $8.98M | 0.01% | +9,266+8.0% | Added |
| Pictet Asset Management Holding SA | 128,061 | $9.19M | 0.01% | +72,999+132.6% | Added |
| Cetera Investment Advisers | 128,583 | $9.23M | 0.01% | +11,462+9.8% | Added |
| California State Teachers Retirement System | 132,068 | $9.48M | 0.01% | +34,427+35.3% | Added |
| CAPROCK Group, Inc. | 133,267 | $9.56M | 0.20% | +423+0.3% | Added |
| BNP Paribas Arbitrage, SA | 133,766 | $9.60M | 0.01% | +58,654+78.1% | Added |
| Private Advisor Group, LLC | 147,503 | $10.6M | 0.05% | +3,420+2.4% | Added |
| Rhumbline Advisers | 156,327 | $11.2M | 0.01% | −9,020−5.5% | Reduced |
| T. Rowe Price Investment Management, Inc. | 160,458 | $11.5M | 0.01% | −464,973−74.3% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 151,226 | $11.8M | 0.01% | +131,726+675.5% | Added |
| CloudAlpha Capital Management Limited/Hong Kong | 164,299 | $11.8M | 1.06% | +164,299 | New |
| Rockefeller Capital Management L.P. | 171,128 | $12.3M | 0.02% | +138,659+427.1% | Added |
| OpenArc Corporate Advisory, LLC | 174,160 | $12.5M | 0.21% | +174,160 | New |
| Royal Bank of Canada | 181,110 | $13.0M | 0.00% | −101,081−35.8% | Reduced |
| Jump Financial, LLC | 181,416 | $13.0M | 0.16% | +162,246+846.4% | Added |
| Wedbush Fund Advisers, LLC | 182,943 | $13.1M | 1.36% | +182,943 | New |
| Citigroup Inc | 185,015 | $13.3M | 0.01% | +87,327+89.4% | Added |
| California Public Employees Retirement System | 189,358 | $13.6M | 0.01% | +10,192+5.7% | Added |
| CI Private Wealth, LLC | 206,056 | $14.8M | 0.02% | −17,659−7.9% | Reduced |
| Sculptor Capital LP | 208,100 | $14.9M | 0.18% | −2,600−1.2% | Reduced |
| Citadel Advisors LLC | 218,472 | $15.7M | 0.01% | +96,511+79.1% | Added |
| Dimensional Fund Advisors LP | 220,661 | $15.8M | 0.00% | +165,234+298.1% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 222,510 | $16.0M | 0.01% | +222,510 | New |
| ARK Investment Management LLCSuperinvestorARK Invest | 223,045 | $16.0M | 0.11% | +66,564+42.5% | Added |
| Cardiff Park Advisors, LLC | 223,340 | $16.0M | 1.32% | +1000.0% | Added |
| Quantbot Technologies LP | 234,776 | $16.8M | 0.56% | +234,776 | New |
| Wellington Management Group LLP | 254,300 | $18.2M | 0.00% | −196,429−43.6% | Reduced |
| Exchange Traded Concepts, LLC | 259,726 | $18.6M | 0.16% | +48,953+23.2% | Added |
| FMR LLC | 264,233 | $19.0M | 0.00% | +109,798+71.1% | Added |
| Legal & General Group Plc | 298,605 | $21.4M | 0.00% | +177,366+146.3% | Added |
| Swiss National Bank | 303,500 | $21.8M | 0.01% | +103,500+51.7% | Added |
| JPMorgan Chase & Co | 303,692 | $21.8M | 0.00% | −728,032−70.6% | Reduced |
| Raymond James Financial Inc | 318,583 | $22.9M | 0.01% | −13,261−4.0% | Reduced |
| Man Group plc | 336,841 | $24.2M | 0.05% | +336,841 | New |
| Nuveen, LLC | 339,409 | $24.4M | 0.01% | +71,381+26.6% | Added |
| Mirae Asset Global Investments Co., Ltd. | 345,237 | $24.8M | 0.07% | +180,377+109.4% | Added |
| Deutsche Bank AG | 352,104 | $25.3M | 0.01% | +268,363+320.5% | Added |
| Wells Fargo & Company | 357,173 | $25.6M | 0.01% | +22,863+6.8% | Added |
| Bank of America Corp | 399,305 | $28.7M | 0.00% | −62,955−13.6% | Reduced |
| Barclays PLC | 400,773 | $28.8M | 0.01% | +239,278+148.2% | Added |
| UBS Asset Management Americas Inc | 414,770 | $29.8M | 0.01% | +197,519+90.9% | Added |
| LPL Financial LLC | 501,615 | $36.0M | 0.01% | +14,096+2.9% | Added |
| Capital World Investors | 505,938 | $36.3M | 0.00% | +24,923+5.2% | Added |
| Bank of New York Mellon Corp | 510,941 | $36.7M | 0.01% | +132,418+35.0% | Added |
| Portland Investment Counsel Inc. | 622,830 | $44.6M | 13.44% | −143,650−18.7% | Reduced |
| Bank of Montreal | 706,273 | $50.7M | 0.02% | +643,746+1,029.5% | Added |
| Marex Group plc | 788,051 | $56.6M | 0.61% | +133,407+20.4% | Added |
| Cantor Fitzgerald, L. P. | 790,801 | $56.7M | 1.69% | +82,801+11.7% | Added |
| Clear Street Group Inc. | 842,172 | $60.4M | 0.32% | +442,172+110.5% | Added |
| Goldman Sachs Group Inc | 909,263 | $65.2M | 0.01% | +418,151+85.1% | Added |
| UBS Group AG | 1,003,080 | $72.0M | 0.01% | −1,520,407−60.3% | Reduced |
| Northern Trust Corp | 1,019,285 | $73.1M | 0.01% | +52,826+5.5% | Added |
| Norges Bank | 1,028,227 | $73.8M | 0.01% | +1,028,227 | New |
| Charles Schwab Investment Management Inc | 1,160,278 | $83.3M | 0.01% | +90,213+8.4% | Added |
| Morgan Stanley | 1,884,091 | $135.2M | 0.01% | −411,258−17.9% | Reduced |
| Geode Capital Management, LLC | 2,816,007 | $201.7M | 0.01% | +185,265+7.0% | Added |
| State Street Corp | 3,060,220 | $219.6M | 0.01% | +584,184+23.6% | Added |
| Van Eck Associates Corp | 3,956,281 | $283.9M | 0.23% | +481,288+13.9% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 7,823,237 | $561.4M | 0.84% | +721,003+10.2% | Added |
| Vanguard Group Inc | 11,637,504 | $835.1M | 0.01% | +44,036+0.4% | Added |
| BlackRock, Inc. | 14,820,434 | $1.06B | 0.02% | +6,204,837+72.0% | Added |
| Hood River Capital Management LLC | 0 | $0 | 0.00% | −662,576−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −267,600−100.0% | Sold out |
| Driehaus Capital Management LLC | 0 | $0 | 0.00% | −110,298−100.0% | Sold out |
| Westwood Wealth Management | 0 | $0 | 0.00% | −75,255−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −65,833−100.0% | Sold out |
| VestGen Advisors, LLC | 0 | $0 | 0.00% | −50,252−100.0% | Sold out |
| EAM Investors, LLC | 0 | $0 | 0.00% | −48,732−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −40,153−100.0% | Sold out |
| IMC-Chicago, LLC | 0 | $0 | 0.00% | −37,086−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −32,093−100.0% | Sold out |
| Polymer Capital Management (HK) LTD | 0 | $0 | 0.00% | −30,409−100.0% | Sold out |
| Canal Insurance CO | 0 | $0 | 0.00% | −30,000−100.0% | Sold out |
| Moody Aldrich Partners LLC | 0 | $0 | 0.00% | −28,045−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −25,500−100.0% | Sold out |
| Arlington Capital Management, Inc. | 0 | $0 | 0.00% | −23,524−100.0% | Sold out |
| GeoSphere Capital Management, LLC | 0 | $0 | 0.00% | −22,075−100.0% | Sold out |
| Pinnbrook Capital Management LP | 0 | $0 | 0.00% | −17,870−100.0% | Sold out |