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, Q1 2026
Institutional positions in Oklo Inc. as of Mar 31, 2026. 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
- 679
- +10 vs. Q4 2025
- Shares held
- 89.3M
- +27.2M (+43.7%) vs. Q4 2025
- Total value
- $4.43B
- −$26.6M (−0.6%) vs. Q4 2025
- New holders
- 135
- 287 more added
- Sold out
- 125
- 161 more reduced
14 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Oklo Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Fideuram - Intesa Sanpaolo Private Banking S.P.A. | 60,146 | $2.98M | 0.10% | +59,546+9,924.3% | Added |
| Westerkirk Capital Inc. | 59,200 | $2.94M | 0.32% | −2,700−4.4% | Reduced |
| State of Wisconsin Investment Board | 57,723 | $2.86M | 0.01% | −77−0.1% | Reduced |
| Millennium Management LLC | 56,876 | $2.82M | 0.00% | +5,884+11.5% | Added |
| Wellington Management Group LLP | 56,646 | $2.81M | 0.00% | −197,654−77.7% | Reduced |
| FORA Capital, LLC | 56,262 | $2.79M | 0.20% | −47,144−45.6% | Reduced |
| Bridgewater Associates, LP | 54,956 | $2.73M | 0.01% | +8,120+17.3% | Added |
| Freestone Grove Partners LP | 53,732 | $2.66M | 0.02% | +53,732 | New |
| Toroso Investments, LLC | 53,576 | $2.66M | 0.01% | +20,450+61.7% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 53,549 | $2.66M | 0.01% | +646+1.2% | Added |
| Parallax Volatility Advisers, L.P. | 41,870 | $2.62M | 0.12% | +38,486+1,137.3% | Added |
| Stifel Financial Corp | 52,846 | $2.62M | 0.00% | −28,887−35.3% | Reduced |
| Vanguard Investments Australia, Ltd. | 51,918 | $2.57M | 0.01% | +51,918 | New |
| Mariner, LLC | 51,745 | $2.57M | 0.00% | −10,995−17.5% | Reduced |
| Blair William & Co | 51,430 | $2.55M | 0.01% | −10,466−16.9% | Reduced |
| Banque Transatlantique SA | 55,190 | $2.54M | 0.06% | +54,205+5,503.0% | Added |
| SBI Securities Co., Ltd. | 50,818 | $2.52M | 0.07% | +4,542+9.8% | Added |
| Caz Investments LP | 50,800 | $2.52M | 3.03% | +50,800 | New |
| SEI Investments Co | 50,096 | $2.48M | 0.00% | +38,829+344.6% | Added |
| Arlington Capital Management, Inc. | 49,490 | $2.45M | 1.38% | +49,490 | New |
| Vanguard Global Advisers, LLC | 49,399 | $2.45M | 0.00% | +49,399 | New |
| Optiver Holding B.V. | 48,677 | $2.41M | 0.09% | +48,677 | New |
| Baird Financial Group, Inc. | 48,530 | $2.41M | 0.00% | −17,507−26.5% | Reduced |
| Creative Planning | 48,291 | $2.39M | 0.00% | −2,847−5.6% | Reduced |
| Kestra Advisory Services, LLC | 47,770 | $2.37M | 0.01% | +6,081+14.6% | Added |
| Prime Capital Investment Advisors, LLC | 46,366 | $2.30M | 0.03% | +28,820+164.3% | Added |
| Neo Ivy Capital Management | 45,584 | $2.26M | 0.60% | −16,018−26.0% | Reduced |
| Holocene Advisors, LP | 45,435 | $2.25M | 0.01% | +45,435 | New |
| Atomi Financial Group, Inc. | 45,263 | $2.24M | 0.07% | +25+0.1% | Added |
| MML Investors Services, LLC | 45,190 | $2.24M | 0.01% | +2,024+4.7% | Added |
| Spirit of America Management Corp | 45,050 | $2.23M | 0.44% | +500+1.1% | Added |
| Prospera Financial Services Inc | 44,577 | $2.21M | 0.04% | −4,480−9.1% | Reduced |
| KBC Group NV | 44,281 | $2.20M | 0.01% | +30,403+219.1% | Added |
| Nomura Asset Management Co Ltd | 43,842 | $2.17M | 0.01% | +8,162+22.9% | Added |
| Leonteq Securities AG | 43,773 | $2.17M | 0.13% | +20,168+85.4% | Added |
| Asset Management One Co.,Ltd. | 43,643 | $2.16M | 0.01% | 00.0% | Unchanged |
| Danske Bank A/S | 43,400 | $2.15M | 0.01% | +1,700+4.1% | Added |
| Russell Investments Group, Ltd. | 44,292 | $2.15M | 0.00% | +28,120+173.9% | Added |
| Vanguard Asset Management, Ltd | 43,283 | $2.15M | 0.00% | +43,283 | New |
| Tredje AP-fonden | 42,739 | $2.12M | 0.01% | +42,739 | New |
| Stratos Wealth Partners, LTD. | 42,234 | $2.09M | 0.02% | −74−0.2% | Reduced |
| Legacy Bridge, LLC | 40,545 | $2.01M | 0.77% | +2,410+6.3% | Added |
| Encompass More Asset Management | 39,115 | $1.94M | 0.33% | −4,177−9.6% | Reduced |
| Thoroughbred Financial Services, LLC | 39,055 | $1.94M | 0.12% | +3,947+11.2% | Added |
| Cresset Asset Management, LLC | 38,615 | $1.91M | 0.01% | +193+0.5% | Added |
| State of New Jersey Common Pension Fund D | 38,508 | $1.91M | 0.01% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 38,400 | $1.90M | 0.00% | +1,310+3.5% | Added |
| Handelsbanken Fonder AB | 36,800 | $1.82M | 0.01% | +1,200+3.4% | Added |
| BLKBRD Asset Management, LP | 36,650 | $1.82M | 4.75% | +36,650 | New |
| Sanctuary Advisors, LLC | 36,430 | $1.81M | 0.01% | +835+2.3% | Added |
| Kestra Private Wealth Services, LLC | 36,406 | $1.81M | 0.02% | +7,857+27.5% | Added |
| State Board of Administration of Florida Retirement System | 36,379 | $1.80M | 0.00% | +4,023+12.4% | Added |
| Swiss Life Asset Management Ltd | 35,981 | $1.78M | 0.01% | +5,356+17.5% | Added |
| Neuberger Berman Group LLC | 34,546 | $1.71M | 0.00% | +1,522+4.6% | Added |
| Pinebridge Investments LLC | 33,610 | $1.67M | 0.01% | −8,680−20.5% | Reduced |
| Resona Asset Management Co.,Ltd. | 33,936 | $1.66M | 0.01% | −617−1.8% | Reduced |
| Traynor Capital Management, Inc. | 36,113 | $1.65M | 0.10% | +15,852+78.2% | Added |
| Police & Firemen's Retirement System of New Jersey | 33,045 | $1.64M | 0.01% | +3,604+12.2% | Added |
| Philadelphia Investment Partners, LLC | 32,891 | $1.63M | 1.11% | +32,891 | New |
| Balyasny Asset Management LLC | 32,759 | $1.62M | 0.00% | −37,231−53.2% | Reduced |
| Pacer Advisors, Inc. | 32,575 | $1.61M | 0.00% | +5,229+19.1% | Added |
| Hennion & Walsh Asset Management, Inc. | 32,422 | $1.61M | 0.05% | +6,048+22.9% | Added |
| Franklin Resources Inc | 31,828 | $1.58M | 0.00% | −9,661−23.3% | Reduced |
| Cerity Partners LLC | 30,045 | $1.52M | 0.00% | +1,476+5.2% | Added |
| Arizona State Retirement System | 30,095 | $1.49M | 0.01% | −281−0.9% | Reduced |
| Firsthand Capital Management, Inc. | 30,000 | $1.49M | 3.17% | 00.0% | Unchanged |
| Scopus Asset Management, L.P. | 30,000 | $1.49M | 0.05% | +10,000+50.0% | Added |
| Jefferies Financial Group Inc. | 29,700 | $1.47M | 0.02% | −3,100−9.5% | Reduced |
| Bouvel Investment Partners, LLC | 29,350 | $1.46M | 0.42% | +1,392+5.0% | Added |
| Intech Investment Management LLC | 29,074 | $1.44M | 0.01% | −17,643−37.8% | Reduced |
| WCG Wealth Advisors LLC | 28,776 | $1.43M | 0.04% | +28,776 | New |
| DnB Asset Management AS | 28,625 | $1.42M | 0.01% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 28,186 | $1.40M | 0.00% | +330+1.2% | Added |
| McGuire Capital Advisors Inc | 27,891 | $1.38M | 0.89% | +6,085+27.9% | Added |
| Truist Financial Corp | 27,768 | $1.38M | 0.00% | +10,629+62.0% | Added |
| Wedbush Securities Inc | 27,772 | $1.38M | 0.04% | +1,015+3.8% | Added |
| Alps Advisors Inc | 27,627 | $1.37M | 0.01% | +16,585+150.2% | Added |
| State of Michigan Retirement System | 27,500 | $1.36M | 0.01% | 00.0% | Unchanged |
| Storebrand Asset Management AS | 27,393 | $1.36M | 0.00% | +27,393 | New |
| Twin Tree Management, LP | 27,139 | $1.35M | 0.28% | +4,887+22.0% | Added |
| GWM Advisors LLC | 35,894 | $1.33M | 0.00% | +13,002+56.8% | Added |
| Virtu Financial LLC | 26,497 | $1.31M | 0.05% | −87,014−76.7% | Reduced |
| T. Rowe Price Investment Management, Inc. | 26,445 | $1.31M | 0.00% | −134,013−83.5% | Reduced |
| LMR Partners LLP | 26,374 | $1.31M | 0.01% | +26,374 | New |
| AE Wealth Management LLC | 25,841 | $1.28M | 0.01% | −9,280−26.4% | Reduced |
| Gradient Investments LLC | 24,765 | $1.23M | 0.02% | +24,765 | New |
| Steward Partners Investment Advisory, LLC | 24,722 | $1.23M | 0.01% | +16,257+192.0% | Added |
| Daiwa Securities Group Inc. | 24,383 | $1.21M | 0.00% | +14,583+148.8% | Added |
| Nomura Holdings Inc | 24,272 | $1.20M | 0.01% | −97,192−80.0% | Reduced |
| Morris Retirement Advisors, LLC | 24,145 | $1.20M | 0.49% | +3,220+15.4% | Added |
| October Effect Ltd | 23,988 | $1.19M | 1.37% | +11,259+88.5% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 23,972 | $1.19M | 0.00% | −7,916−24.8% | Reduced |
| Advisory Services Network, LLC | 23,925 | $1.19M | 0.02% | −472−1.9% | Reduced |
| Scientech Research LLC | 23,699 | $1.18M | 0.98% | +20,416+621.9% | Added |
| AQR Capital Management LLC | 24,749 | $1.17M | 0.00% | −10,749−30.3% | Reduced |
| STRS Ohio | 22,800 | $1.13M | 0.00% | +3,600+18.8% | Added |
| SEB Asset Management AB | 22,769 | $1.13M | 0.00% | +22,769 | New |
| Ameriprise Financial Inc | 22,330 | $1.11M | 0.00% | +10.0% | Added |
| HighTower Advisors, LLC | 22,301 | $1.11M | 0.00% | +1,345+6.4% | Added |
| Walleye Capital LLC | 22,283 | $1.11M | 0.01% | +1,740+8.5% | Added |