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 $4.36B in total; ARK Invest is the only superinvestor holding it.
13F holders, Q2 2026
Institutional positions in Oklo Inc. as of Jun 30, 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
- 673
- +3 vs. Q1 2026
- Shares held
- 82.9M
- −6.28M (−7.0%) vs. Q1 2026
- Total value
- $4.36B
- −$69.3M (−1.6%) vs. Q1 2026
- New holders
- 126
- 261 more added
- Sold out
- 123
- 175 more reduced
9 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 | $4.36B |
| Q1 2026 | 679 | $4.43B |
| Q4 2025 | 683 | $5.40B |
| Q3 2025 | 640 | $7.35B |
| Q2 2025 | 481 | $3.05B |
| Q1 2025 | 292 | $747.9M |
| Q4 2024 | 238 | $893.2M |
| Q3 2024 | 124 | $387.4M |
| Q2 2024 | 93 | $341.4M |
| Q1 2024 | 54 | $284.5M |
| Q4 2023 | 37 | $317.6M |
| Q3 2023 | 65 | $433.8M |
| Q2 2023 | 75 | $439.5M |
| Q1 2023 | 72 | $488.7M |
| Q4 2022 | 73 | $466.4M |
| Q3 2022 | 77 | $476.3M |
| 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, Q2 2026
Shares, value and share of portfolio for each institution holding Oklo Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Mirae Asset Global ETFs Holdings Ltd. | 8,935,822 | $467.6M | 0.56% | +79,326+0.9% | Added |
| Van Eck Associates Corp | 7,912,353 | $414.1M | 0.25% | +1,830,836+30.1% | Added |
| BlackRock, Inc. | 7,311,968 | $382.6M | 0.01% | −8,595,544−54.0% | Reduced |
| Vanguard Capital Management LLC | 6,539,334 | $342.2M | 0.01% | +708,401+12.1% | Added |
| Vanguard Portfolio Management LLC | 6,425,515 | $336.2M | 0.02% | +187,597+3.0% | Added |
| Morgan Stanley | 3,262,878 | $170.7M | 0.01% | +581,140+21.7% | Added |
| State Street Corp | 2,378,058 | $124.4M | 0.00% | −948,084−28.5% | Reduced |
| Geode Capital Management, LLC | 2,364,428 | $123.8M | 0.01% | −689,721−22.6% | Reduced |
| Cantor Fitzgerald, L. P. | 2,182,276 | $114.2M | 1.11% | +1,697,735+350.4% | Added |
| UBS Group AG | 2,095,153 | $109.6M | 0.02% | +888,854+73.7% | Added |
| Norges Bank | 1,758,267 | $92.0M | 0.01% | +1,758,267 | New |
| Clear Street Group Inc. | 1,329,523 | $69.6M | 0.22% | +830,081+166.2% | Added |
| Jane Street Group, LLC | 1,269,146 | $66.4M | 0.04% | +736,146+138.1% | Added |
| Marex Group plc | 1,207,636 | $63.2M | 0.47% | +617,772+104.7% | Added |
| National Bank of Canada | 1,185,312 | $62.1M | 0.05% | +576,148+94.6% | Added |
| Goldman Sachs Group Inc | 1,148,200 | $60.1M | 0.01% | +106,274+10.2% | Added |
| Charles Schwab Investment Management Inc | 1,138,236 | $59.6M | 0.01% | −47,495−4.0% | Reduced |
| Marshall Wace, LLP | 1,066,394 | $55.8M | 0.05% | +1,066,394 | New |
| Vanguard Fiduciary Trust Co | 880,052 | $46.1M | 0.01% | +59,422+7.2% | Added |
| Northern Trust Corp | 716,383 | $37.5M | 0.00% | −436,683−37.9% | Reduced |
| Susquehanna International Group, LLP | 678,175 | $35.5M | 0.03% | +12,196+1.8% | Added |
| Bank of Montreal | 677,701 | $35.5M | 0.01% | +140,531+26.2% | Added |
| LPL Financial LLC | 629,015 | $32.9M | 0.01% | +95,064+17.8% | Added |
| Bank of America Corp | 592,471 | $31.0M | 0.00% | −27,810−4.5% | Reduced |
| Portland Investment Counsel Inc. | 589,480 | $30.8M | 8.62% | 00.0% | Unchanged |
| Livforsakringsbolaget Skandia, Omsesidigt | 71,778 | $26.0M | 0.83% | +67,330+1,513.7% | Added |
| Bank of New York Mellon Corp | 468,802 | $24.5M | 0.00% | −48,084−9.3% | Reduced |
| Wells Fargo & Company | 434,127 | $22.7M | 0.00% | +82,400+23.4% | Added |
| Raymond James Financial Inc | 398,843 | $20.9M | 0.01% | +45,039+12.7% | Added |
| UBS Asset Management Americas Inc | 393,729 | $20.6M | 0.00% | −57,551−12.8% | Reduced |
| ARK Investment Management LLCSuperinvestorARK Invest | 372,257 | $19.5M | 0.13% | +21,088+6.0% | Added |
| Mirae Asset Global Investments Co., Ltd. | 352,541 | $18.4M | 0.04% | +21,150+6.4% | Added |
| Exchange Traded Concepts, LLC | 310,563 | $16.3M | 0.08% | +11,568+3.9% | Added |
| Wedbush Fund Advisers, LLC | 292,072 | $15.3M | 1.36% | +61,556+26.7% | Added |
| Swiss National Bank | 287,600 | $15.1M | 0.01% | −37,300−11.5% | Reduced |
| FMR LLC | 283,221 | $14.8M | 0.00% | +83,548+41.8% | Added |
| Millennium Management LLC | 278,978 | $14.6M | 0.01% | +222,102+390.5% | Added |
| Cambridge Investment Research Advisors, Inc. | 276,258 | $14.5M | 0.02% | +161,773+141.3% | Added |
| Nuveen, LLC | 255,304 | $13.4M | 0.00% | −205,839−44.6% | Reduced |
| Rockefeller Capital Management L.P. | 253,057 | $13.2M | 0.02% | +71,268+39.2% | Added |
| Russell Investments Group, Ltd. | 250,323 | $13.1M | 0.01% | +206,031+465.2% | Added |
| Royal Bank of Canada | 248,080 | $13.0M | 0.00% | +97,710+65.0% | Added |
| Darrow Company, Inc. | 232,670 | $12.2M | 4.72% | +232,670 | New |
| Cardiff Park Advisors, LLC | 223,340 | $11.7M | 0.91% | −100.0% | Reduced |
| Trexquant Investment LP | 208,730 | $10.9M | 0.07% | +5,671+2.8% | Added |
| Citigroup Inc | 205,222 | $10.7M | 0.00% | +16,503+8.7% | Added |
| OpenArc Corporate Advisory, LLC | 200,884 | $10.5M | 0.13% | +11,264+5.9% | Added |
| California Public Employees Retirement System | 183,331 | $9.59M | 0.01% | +21,519+13.3% | Added |
| CI Private Wealth, LLC | 181,698 | $9.51M | 0.01% | −23,055−11.3% | Reduced |
| Cetera Investment Advisers | 181,474 | $9.50M | 0.01% | +38,175+26.6% | Added |
| Virtu Financial LLC | 180,887 | $9.47M | 0.30% | +154,390+582.7% | Added |
| SG Americas Securities, LLC | 172,312 | $9.02M | 0.01% | +84,474+96.2% | Added |
| California State Teachers Retirement System | 165,926 | $8.68M | 0.01% | +34,738+26.5% | Added |
| Foundations Investment Advisors, LLC | 161,780 | $8.47M | 0.09% | +16,268+11.2% | Added |
| Toroso Investments, LLC | 155,100 | $8.12M | 0.02% | +101,524+189.5% | Added |
| JPMorgan Chase & Co | 143,986 | $7.97M | 0.00% | −163,069−53.1% | Reduced |
| Advisor Group Holdings, Inc. | 151,256 | $7.92M | 0.01% | +40,495+36.6% | Added |
| Caption Management, LLC | 150,540 | $7.88M | 0.28% | +149,640+16,626.7% | Added |
| Colony Group, LLC | 144,333 | $7.55M | 0.01% | +25,011+21.0% | Added |
| Price T Rowe Associates Inc | 143,827 | $7.53M | 0.00% | +2,534+1.8% | Added |
| Defiance ETFs, LLC | 139,574 | $7.32M | 0.10% | −3,503,470−96.2% | Reduced |
| Barclays PLC | 132,153 | $6.92M | 0.00% | −148,318−52.9% | Reduced |
| CAPROCK Group, Inc. | 131,055 | $6.86M | 0.13% | −600.0% | Reduced |
| BNP Paribas Arbitrage, SA | 125,631 | $6.57M | 0.00% | −205,909−62.1% | Reduced |
| Legal & General Group Plc | 125,527 | $6.57M | 0.00% | −192,534−60.5% | Reduced |
| State Board of Administration of Florida Retirement System | 125,335 | $6.56M | 0.01% | +88,956+244.5% | Added |
| Jones Financial Companies LLLP | 128,241 | $6.41M | 0.00% | +24,126+23.2% | Added |
| Vanguard Asset Management, Ltd | 120,334 | $6.30M | 0.00% | +77,051+178.0% | Added |
| State of Wisconsin Investment Board | 118,577 | $6.21M | 0.01% | +60,854+105.4% | Added |
| Freestone Grove Partners LP | 116,383 | $6.09M | 0.04% | +62,651+116.6% | Added |
| Havemeyer Place LP | 113,742 | $5.95M | 0.59% | +91,610+413.9% | Added |
| Invesco Ltd. | 113,178 | $5.92M | 0.00% | −17,338−13.3% | Reduced |
| Rhumbline Advisers | 110,034 | $5.76M | 0.00% | −62,362−36.2% | Reduced |
| AlphaStar Capital Management, LLC | 108,983 | $5.70M | 0.36% | +28,841+36.0% | Added |
| Nomura Holdings Inc | 108,430 | $5.67M | 0.02% | +84,158+346.7% | Added |
| Simplex Trading, LLC | 103,032 | $5.39M | 0.14% | +103,032 | New |
| Allianz Asset Management GmbH | 101,869 | $5.33M | 0.00% | +101,869 | New |
| Caz Investments LP | 101,600 | $5.32M | 1.76% | +50,800+100.0% | Added |
| Private Advisor Group, LLC | 99,054 | $5.18M | 0.02% | −14,972−13.1% | Reduced |
| Winton Group Ltd | 97,300 | $5.09M | 0.16% | −37,079−27.6% | Reduced |
| Westwood Wealth Management | 97,240 | $5.09M | 1.48% | +4,050+4.3% | Added |
| Commonwealth Equity Services, LLC | 95,362 | $4.99M | 0.01% | −1,149−1.2% | Reduced |
| Mercer Global Advisors Inc | 93,900 | $4.91M | 0.01% | +2,346+2.6% | Added |
| HITE Hedge Asset Management LLC | 93,886 | $4.91M | 0.27% | −9,757−9.4% | Reduced |
| FORA Capital, LLC | 91,248 | $4.78M | 0.33% | +34,986+62.2% | Added |
| Stifel Financial Corp | 90,798 | $4.75M | 0.00% | +37,952+71.8% | Added |
| CIBC Bancorp USA Inc. | 90,453 | $4.73M | 0.01% | −77,162−46.0% | Reduced |
| Fideuram Asset Management (Ireland) dac | 82,178 | $4.69M | 0.09% | +79,596+3,082.7% | Added |
| Weiss Asset Management LP | 86,321 | $4.52M | 0.05% | +86,321 | New |
| Catalyst Funds Management Pty Ltd | 85,350 | $4.47M | 0.25% | +85,350 | New |
| KBC Group NV | 84,998 | $4.45M | 0.01% | +40,717+92.0% | Added |
| Balyasny Asset Management LLC | 84,965 | $4.45M | 0.01% | +52,206+159.4% | Added |
| HSBC Holdings PLC | 83,605 | $4.36M | 0.00% | −43,370−34.2% | Reduced |
| Brevan Howard Capital Management LP | 81,610 | $4.27M | 0.06% | +73,264+877.8% | Added |
| Credit Agricole S A | 79,780 | $4.17M | 0.01% | −15,520−16.3% | Reduced |
| Blair William & Co | 79,266 | $4.15M | 0.01% | +27,836+54.1% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 77,326 | $4.05M | 0.01% | +13,867+21.9% | Added |
| Jain Global LLC | 76,557 | $4.01M | 0.05% | +76,557 | New |
| Pacer Advisors, Inc. | 76,232 | $3.99M | 0.01% | +43,657+134.0% | Added |
| Squarepoint Ops LLC | 73,779 | $3.86M | 0.01% | +45,593+161.8% | Added |