OkloOKLO
13F holders, Q1 2026 (March 31)At the end of Q1 2026, 679 institutions reported holding Oklo Inc. (OKLO) in their 13F filings, down 4 from Q4 2025. 119 opened new positions and 124 sold out. The largest holders were BlackRock, Inc. ($788.9M), MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. ($439.2M) and Vanguard Portfolio Management LLC ($309.3M). 6 famous investors held it, including Cathie Wood (0.1% of ARK Investment Management's portfolio), Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio) and Ray Dalio (0.0% of Bridgewater Associates's portfolio).
- Company
- Oklo Inc.
- CUSIP
- 02156V109
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 119 | $413.6M |
| Exits | 124 | $123.3M |
All 13F filers, Q4 2025 → Q1 2026: 18,641,315 shares bought and 4,746,538 shares sold, net +13,894,777 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 679 holders
| BlackRock, Inc. | 0.01% | Add +7.3% | 15,907,512 | $788.9M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.60% | Add +13.2% | 8,856,496 | $439.2M |
| Vanguard Portfolio Management LLC | 0.02% | — | 6,237,918 | $309.3M |
| Van Eck Associates Corp. | 0.23% | Add +53.7% | 6,081,517 | $301.6M |
| Vanguard Capital Management LLC | 0.01% | — | 5,830,933 | $289.2M |
| Defiance ETFs, LLC | 2.60% | New | 3,643,044 | $180.7M |
| State Street Corp. | 0.01% | Add +8.7% | 3,326,142 | $164.9M |
| Geode Capital Management, LLC | 0.01% | Add +8.5% | 3,054,149 | $151.2M |
| Morgan Stanley | 0.01% | Add +42.3% | 2,681,738 | $133.0M |
| Alyeska Investment Group, L.P. | 0.24% | New | 1,709,692 | $84.8M |
| UBS Group AG | 0.01% | Add +20.3% | 1,206,299 | $59.8M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +2.2% | 1,185,731 | $58.8M |
| Northern Trust Corp. | 0.01% | Add +13.1% | 1,153,066 | $57.2M |
| Goldman Sachs Group Inc. | 0.01% | Add +14.6% | 1,041,926 | $51.7M |
| Vanguard Fiduciary Trust Co. | 0.01% | — | 820,630 | $40.7M |
| Susquehanna International Group, LLP | 0.04% | Add +1699.8% | 665,979 | $33.0M |
| Bank of America Corp. | 0.00% | Add +55.3% | 620,281 | $30.8M |
| National Bank of Canada | 0.03% | Add +640.9% | 609,164 | $30.2M |
| Marex Group Ltd | 0.30% | Reduce -25.1% | 589,864 | $29.3M |
| Portland Investment Counsel Inc. | 9.38% | Reduce -5.3% | 589,480 | $29.2M |
| Hood River Capital Management LLC | 0.29% | New | 589,294 | $29.2M |
| Capital World Investors | 0.00% | Add +6.2% | 537,354 | $26.6M |
| Bank of Montreal | 0.01% | Reduce -23.9% | 537,170 | $26.6M |
| LPL Financial LLC | 0.01% | Add +6.5% | 533,951 | $26.5M |
| Jane Street Group, LLC | 0.03% | New | 533,000 | $26.4M |
| Bank of New York Mellon Corp | 0.00% | Add +1.2% | 516,886 | $25.6M |
| Clear Street Group Inc. | 0.14% | Reduce -40.7% | 499,442 | $24.8M |
| Cantor Fitzgerald, L. P. | 0.87% | Reduce -38.7% | 484,541 | $24.0M |
| Nuveen, LLC | 0.01% | Add +35.9% | 461,143 | $22.9M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +8.8% | 451,280 | $22.4M |
| Deutsche Bank AG | 0.01% | Add +13.0% | 397,806 | $19.7M |
| Raymond James Financial Inc. | 0.01% | Add +11.1% | 353,804 | $17.5M |
| Wells Fargo & Company | 0.00% | Reduce -1.5% | 351,727 | $17.4M |
| ARK Investment Management | 0.14% | Add +57.4% | 351,169 | $17.4M |
| BNP Paribas Financial Markets | 0.01% | Add +147.8% | 331,540 | $16.4M |
| Mirae Asset Global Investments Co., Ltd. | 0.05% | Reduce -4.0% | 331,391 | $16.4M |
| Swiss National Bank | 0.01% | Add +7.0% | 324,900 | $16.1M |
| Legal & General Group Plc | 0.00% | Add +6.5% | 318,061 | $15.8M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.03% | Add +306.3% | 303,775 | $15.1M |
| Exchange Traded Concepts, LLC | 0.11% | Add +15.1% | 298,995 | $14.8M |
| JPMorgan Chase & Co. | 0.00% | Add +1.1% | 307,055 | $14.0M |
| Barclays PLC | 0.01% | Reduce -30.0% | 280,471 | $13.9M |
| American Century Companies Inc. | 0.01% | New | 254,218 | $12.6M |
| Citadel Advisors | 0.01% | Add +14.3% | 249,676 | $12.4M |
| Wedbush Fund Advisers, LLC | 1.32% | Add +26.0% | 230,516 | $11.4M |
| Cardiff Park Advisors, LLC | 0.89% | Add +0.0% | 223,350 | $11.1M |
| Man Group plc | 0.02% | Reduce -37.7% | 209,758 | $10.4M |
| Sumitomo Mitsui Trust Group, Inc. | 0.01% | Reduce -7.0% | 206,946 | $10.3M |
| Corient Private Wealth LP | 0.01% | Reduce -0.6% | 204,753 | $10.1M |
| Trexquant Investment LP | 0.07% | New | 203,059 | $10.1M |
| FMR LLC | 0.00% | Reduce -24.4% | 199,673 | $9.9M |
| Alliancebernstein L.P. | 0.00% | Add +10.7% | 136,094 | $9.8M |
| OpenArc Corporate Advisory, LLC | 0.13% | Add +8.9% | 189,620 | $9.4M |
| Citigroup Inc. | 0.01% | Add +2.0% | 188,719 | $9.4M |
| Tudor Investment Corporation | 0.05% | New | 181,899 | $9.0M |
| Rockefeller Capital Management L.P. | 0.02% | Add +6.2% | 181,789 | $9.0M |
| Quadrature Capital Ltd | 0.10% | New | 177,669 | $8.8M |
| Rhumbline Advisers | 0.01% | Add +10.3% | 172,396 | $8.5M |
| CIBC Bancorp USA Inc. | 0.01% | — | 167,615 | $8.3M |
| Amundi | 0.00% | Add +59.0% | 164,824 | $8.2M |
| California Public Employees Retirement System | 0.00% | Reduce -14.6% | 161,812 | $8.0M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.01% | Add +6.5% | 161,103 | $8.0M |
| Two Sigma Investments, LP | 0.01% | Add +52.9% | 160,317 | $8.0M |
| Royal Bank of Canada | 0.00% | Reduce -17.0% | 150,370 | $7.5M |
| Aviva PLC | 0.01% | Add +206.2% | 148,334 | $7.4M |
| Foundations Investment Advisors, LLC | 0.09% | Add +53.1% | 145,512 | $7.2M |
| Cetera Investment Advisers | 0.01% | Add +11.4% | 143,299 | $7.1M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -35.4% | 142,482 | $7.0M |
| T. Rowe Price Associates Inc. | 0.00% | Add +31.0% | 141,293 | $7.0M |
| WINTON GROUP Ltd | 0.23% | Add +607.3% | 134,379 | $6.7M |
| Jump Financial, LLC | 0.11% | Reduce -26.8% | 132,822 | $6.6M |
| California State Teachers Retirement System | 0.01% | Reduce -0.7% | 131,188 | $6.5M |
| Caprock Group, LLC | 0.16% | Reduce -1.6% | 131,115 | $6.5M |
| Invesco Ltd. | 0.00% | Add +14.9% | 130,516 | $6.5M |
| Quantbot Technologies LP | 0.26% | Reduce -45.0% | 129,143 | $6.4M |
| HSBC Holdings PLC | 0.00% | Add +13.0% | 126,975 | $6.3M |
| KLP Kapitalforvaltning As | 0.02% | Add +47.2% | 124,100 | $6.2M |
| Focus Partners Wealth | 0.01% | Reduce -4.6% | 119,322 | $5.9M |
| Cambridge Investment Research Advisors, Inc. | 0.01% | Add +36.4% | 114,485 | $5.7M |
| Private Advisor Group, LLC | 0.03% | Reduce -22.7% | 114,026 | $5.7M |
| Natixis | 0.02% | Add +99.9% | 113,276 | $5.6M |
| Osaic Holdings, Inc. | 0.01% | Reduce -1.1% | 110,761 | $5.5M |
| Jones Financial Companies LLLP | 0.00% | Add +22.0% | 104,115 | $5.2M |
| HITE Hedge Asset Management LLC | 0.29% | No change | 103,643 | $5.1M |
| Ghisallo Capital Management LLC | 0.14% | No change | 100,000 | $5.0M |
| Commonwealth Equity Services, LLC | 0.01% | Reduce -4.5% | 96,511 | $4.8M |
| Credit Agricole S A | 0.02% | Add +103.4% | 95,300 | $4.7M |
| Vontobel Holding Ltd. | 0.02% | Add +1407.5% | 94,323 | $4.7M |
| Westwood Wealth Management | 1.81% | New | 93,190 | $4.6M |
| Mercer Global Advisors Inc. | 0.01% | Add +336.1% | 91,554 | $4.5M |
| Equitable Holdings, Inc. | 0.03% | Add +1715.4% | 71,562 | $4.5M |
| SG Americas Securities, LLC | 0.00% | Reduce -27.3% | 87,838 | $4.4M |
| AlphaStar Capital Management, LLC | 0.29% | Add +31.0% | 80,142 | $4.0M |
| Destiny Wealth Partners, LLC | 0.43% | New | 78,509 | $3.9M |
| BLI - Banque de Luxembourg Investments | 0.11% | No change | 52,000 | $3.7M |
| Manufacturers Life Insurance Company, The | 0.00% | Add +0.3% | 70,433 | $3.5M |
| Voya Investment Management LLC | 0.00% | Add +42.6% | 66,660 | $3.3M |
| MetLife Investment Management, LLC | 0.02% | Add +10.9% | 66,455 | $3.3M |
| Pictet Asset Management Holding SA | 0.00% | Reduce -49.0% | 65,242 | $3.2M |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.01% | Add +115.5% | 63,459 | $3.1M |
"% of holder's portfolio" is OKLO's weight in each manager's 13F, not the share of Oklo Inc. the manager owns.