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 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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 14,820,434 | $1.06B | 0.02% | +6,204,837+72.0% | Added |
| Vanguard Group Inc | 11,637,504 | $835.1M | 0.01% | +44,036+0.4% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 7,823,237 | $561.4M | 0.84% | +721,003+10.2% | Added |
| Van Eck Associates Corp | 3,956,281 | $283.9M | 0.23% | +481,288+13.9% | Added |
| State Street Corp | 3,060,220 | $219.6M | 0.01% | +584,184+23.6% | Added |
| Geode Capital Management, LLC | 2,816,007 | $201.7M | 0.01% | +185,265+7.0% | Added |
| Morgan Stanley | 1,884,091 | $135.2M | 0.01% | −411,258−17.9% | Reduced |
| Charles Schwab Investment Management Inc | 1,160,278 | $83.3M | 0.01% | +90,213+8.4% | Added |
| Norges Bank | 1,028,227 | $73.8M | 0.01% | +1,028,227 | New |
| Northern Trust Corp | 1,019,285 | $73.1M | 0.01% | +52,826+5.5% | Added |
| UBS Group AG | 1,003,080 | $72.0M | 0.01% | −1,520,407−60.3% | Reduced |
| Goldman Sachs Group Inc | 909,263 | $65.2M | 0.01% | +418,151+85.1% | Added |
| Clear Street Group Inc. | 842,172 | $60.4M | 0.32% | +442,172+110.5% | Added |
| Cantor Fitzgerald, L. P. | 790,801 | $56.7M | 1.69% | +82,801+11.7% | Added |
| Marex Group plc | 788,051 | $56.6M | 0.61% | +133,407+20.4% | Added |
| Bank of Montreal | 706,273 | $50.7M | 0.02% | +643,746+1,029.5% | Added |
| Portland Investment Counsel Inc. | 622,830 | $44.6M | 13.44% | −143,650−18.7% | Reduced |
| Bank of New York Mellon Corp | 510,941 | $36.7M | 0.01% | +132,418+35.0% | Added |
| Capital World Investors | 505,938 | $36.3M | 0.00% | +24,923+5.2% | Added |
| LPL Financial LLC | 501,615 | $36.0M | 0.01% | +14,096+2.9% | Added |
| UBS Asset Management Americas Inc | 414,770 | $29.8M | 0.01% | +197,519+90.9% | Added |
| Barclays PLC | 400,773 | $28.8M | 0.01% | +239,278+148.2% | Added |
| Bank of America Corp | 399,305 | $28.7M | 0.00% | −62,955−13.6% | Reduced |
| Wells Fargo & Company | 357,173 | $25.6M | 0.01% | +22,863+6.8% | Added |
| Deutsche Bank AG | 352,104 | $25.3M | 0.01% | +268,363+320.5% | Added |
| Mirae Asset Global Investments Co., Ltd. | 345,237 | $24.8M | 0.07% | +180,377+109.4% | Added |
| Nuveen, LLC | 339,409 | $24.4M | 0.01% | +71,381+26.6% | Added |
| Man Group plc | 336,841 | $24.2M | 0.05% | +336,841 | New |
| Raymond James Financial Inc | 318,583 | $22.9M | 0.01% | −13,261−4.0% | Reduced |
| JPMorgan Chase & Co | 303,692 | $21.8M | 0.00% | −728,032−70.6% | Reduced |
| Swiss National Bank | 303,500 | $21.8M | 0.01% | +103,500+51.7% | Added |
| Legal & General Group Plc | 298,605 | $21.4M | 0.00% | +177,366+146.3% | Added |
| FMR LLC | 264,233 | $19.0M | 0.00% | +109,798+71.1% | Added |
| Exchange Traded Concepts, LLC | 259,726 | $18.6M | 0.16% | +48,953+23.2% | Added |
| Wellington Management Group LLP | 254,300 | $18.2M | 0.00% | −196,429−43.6% | Reduced |
| Quantbot Technologies LP | 234,776 | $16.8M | 0.56% | +234,776 | New |
| Cardiff Park Advisors, LLC | 223,340 | $16.0M | 1.32% | +1000.0% | Added |
| ARK Investment Management LLCSuperinvestorARK Invest | 223,045 | $16.0M | 0.11% | +66,564+42.5% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 222,510 | $16.0M | 0.01% | +222,510 | New |
| Dimensional Fund Advisors LP | 220,661 | $15.8M | 0.00% | +165,234+298.1% | Added |
| Citadel Advisors LLC | 218,472 | $15.7M | 0.01% | +96,511+79.1% | Added |
| Sculptor Capital LP | 208,100 | $14.9M | 0.18% | −2,600−1.2% | Reduced |
| CI Private Wealth, LLC | 206,056 | $14.8M | 0.02% | −17,659−7.9% | Reduced |
| California Public Employees Retirement System | 189,358 | $13.6M | 0.01% | +10,192+5.7% | Added |
| Citigroup Inc | 185,015 | $13.3M | 0.01% | +87,327+89.4% | Added |
| Wedbush Fund Advisers, LLC | 182,943 | $13.1M | 1.36% | +182,943 | New |
| Jump Financial, LLC | 181,416 | $13.0M | 0.16% | +162,246+846.4% | Added |
| Royal Bank of Canada | 181,110 | $13.0M | 0.00% | −101,081−35.8% | Reduced |
| OpenArc Corporate Advisory, LLC | 174,160 | $12.5M | 0.21% | +174,160 | New |
| Rockefeller Capital Management L.P. | 171,128 | $12.3M | 0.02% | +138,659+427.1% | Added |
| CloudAlpha Capital Management Limited/Hong Kong | 164,299 | $11.8M | 1.06% | +164,299 | New |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 151,226 | $11.8M | 0.01% | +131,726+675.5% | Added |
| T. Rowe Price Investment Management, Inc. | 160,458 | $11.5M | 0.01% | −464,973−74.3% | Reduced |
| Rhumbline Advisers | 156,327 | $11.2M | 0.01% | −9,020−5.5% | Reduced |
| Private Advisor Group, LLC | 147,503 | $10.6M | 0.05% | +3,420+2.4% | Added |
| BNP Paribas Arbitrage, SA | 133,766 | $9.60M | 0.01% | +58,654+78.1% | Added |
| CAPROCK Group, Inc. | 133,267 | $9.56M | 0.20% | +423+0.3% | Added |
| California State Teachers Retirement System | 132,068 | $9.48M | 0.01% | +34,427+35.3% | Added |
| Cetera Investment Advisers | 128,583 | $9.23M | 0.01% | +11,462+9.8% | Added |
| Pictet Asset Management Holding SA | 128,061 | $9.19M | 0.01% | +72,999+132.6% | Added |
| Colony Group, LLC | 125,059 | $8.98M | 0.01% | +9,266+8.0% | Added |
| Alliancebernstein L.P. | 122,998 | $8.83M | 0.00% | −45,797−27.1% | Reduced |
| Nomura Holdings Inc | 121,464 | $8.72M | 0.02% | −177,078−59.3% | Reduced |
| SG Americas Securities, LLC | 120,752 | $8.66M | 0.01% | +97,519+419.7% | Added |
| Jain Global LLC | 117,599 | $8.44M | 0.08% | +117,599 | New |
| Invesco Ltd. | 113,597 | $8.15M | 0.00% | −105,443−48.1% | Reduced |
| Virtu Financial LLC | 113,511 | $8.14M | 0.32% | +20,236+21.7% | Added |
| HSBC Holdings PLC | 112,372 | $8.06M | 0.00% | +103,623+1,184.4% | Added |
| Advisor Group Holdings, Inc. | 111,966 | $8.03M | 0.01% | −53,870−32.5% | Reduced |
| Price T Rowe Associates Inc | 107,866 | $7.74M | 0.00% | −177,414−62.2% | Reduced |
| Two Sigma Investments, LP | 104,861 | $7.52M | 0.01% | −575−0.5% | Reduced |
| Amundi | 103,663 | $7.44M | 0.00% | +103,663 | New |
| HITE Hedge Asset Management LLC | 103,643 | $7.44M | 0.47% | −45,000−30.3% | Reduced |
| Commonwealth Equity Services, LLC | 101,052 | $7.25M | 0.01% | −13,031−11.4% | Reduced |
| Ghisallo Capital Management LLC | 100,000 | $7.18M | 0.32% | −150,000−60.0% | Reduced |
| Strategic Planning Group, LLC | 98,878 | $7.10M | 0.91% | −3,234−3.2% | Reduced |
| Bessemer Group Inc | 98,442 | $7.07M | 0.01% | +97,822+15,777.7% | Added |
| Foundations Investment Advisors, LLC | 95,061 | $6.82M | 0.09% | +12,233+14.8% | Added |
| FFG Partners, LLC | 93,037 | $6.68M | 1.94% | +1,062+1.2% | Added |
| Jones Financial Companies LLLP | 85,347 | $6.12M | 0.00% | +15,796+22.7% | Added |
| KLP Kapitalforvaltning AS | 84,300 | $6.05M | 0.02% | +58,600+228.0% | Added |
| Cambridge Investment Research Advisors, Inc. | 83,958 | $6.03M | 0.02% | −20,052−19.3% | Reduced |
| National Bank of Canada | 82,220 | $5.90M | 0.01% | +3,660+4.7% | Added |
| Stifel Financial Corp | 81,733 | $5.87M | 0.01% | −2,053−2.5% | Reduced |
| FORA Capital, LLC | 103,406 | $5.81M | 0.70% | +97,534+1,661.0% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 74,758 | $5.36M | 0.01% | +74,758 | New |
| Simplex Trading, LLC | 74,304 | $5.33M | 0.15% | −95,292−56.2% | Reduced |
| Manufacturers Life Insurance Company, The | 70,250 | $5.04M | 0.00% | +280+0.4% | Added |
| Balyasny Asset Management LLC | 69,990 | $5.02M | 0.01% | +67,529+2,744.0% | Added |
| Lighthouse Investment Partners, LLC | 69,000 | $4.95M | 0.16% | +64,000+1,280.0% | Added |
| Baird Financial Group, Inc. | 66,037 | $4.74M | 0.01% | −52,383−44.2% | Reduced |
| Mariner, LLC | 62,740 | $4.50M | 0.01% | −704−1.1% | Reduced |
| Westerkirk Capital Inc. | 61,900 | $4.44M | 0.43% | +61,900 | New |
| Blair William & Co | 61,896 | $4.44M | 0.01% | −333−0.5% | Reduced |
| Neo Ivy Capital Management | 61,602 | $4.42M | 0.70% | +41,906+212.8% | Added |
| AlphaStar Capital Management, LLC | 61,188 | $4.39M | 0.32% | +61,188 | New |
| MetLife Investment Management | 59,938 | $4.30M | 0.02% | −3,320−5.2% | Reduced |
| State of Wisconsin Investment Board | 57,800 | $4.15M | 0.01% | −8,755−13.2% | Reduced |
| First Trust Advisors LP | 57,632 | $4.14M | 0.00% | −13,503−19.0% | Reduced |
| Natixis | 56,666 | $4.07M | 0.02% | +56,666 | New |