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 22 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, Q2 2025
Institutional positions in Oklo Inc. as of Jun 30, 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
- 481
- +195 vs. Q1 2025
- Shares held
- 54.1M
- +19.7M (+57.4%) vs. Q1 2025
- Total value
- $3.03B
- +$2.29B (+307.5%) vs. Q1 2025
- New holders
- 239
- 135 more added
- Sold out
- 44
- 72 more reduced
6 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding Oklo Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −24,004−100.0% | Sold out |
| Hudson Bay Capital Management LP | 0 | $0 | 0.00% | −19,700−100.0% | Sold out |
| Capstone Investment Advisors, LLC | 0 | $0 | 0.00% | −18,020−100.0% | Sold out |
| Tradewinds, LLC. | 0 | $0 | 0.00% | −17,045−100.0% | Sold out |
| Qsemble Capital Management, LP | 0 | $0 | 0.00% | −15,365−100.0% | Sold out |
| Matauro, LLC | 0 | $0 | 0.00% | −13,337−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −9,926−100.0% | Sold out |
| Twin Tree Management, LP | 0 | $0 | 0.00% | −4,811−100.0% | Sold out |
| North Capital, Inc. | 0 | $0 | 0.00% | −3,000−100.0% | Sold out |
| Flaharty Asset Management, LLC | 0 | $0 | 0.00% | −2,500−100.0% | Sold out |
| Graybill Bartz & Assoc Ltd | 0 | $0 | 0.00% | −2,000−100.0% | Sold out |
| Stonebridge Financial Group, LLC | 0 | $0 | 0.00% | −1,020−100.0% | Sold out |
| JNBA Financial Advisors | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| PFG Private Wealth Management, LLC | 0 | $0 | 0.00% | −588−100.0% | Sold out |
| Ulland Investment Advisors, LLC | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| Armstrong Advisory Group, Inc | 0 | $0 | 0.00% | −300−100.0% | Sold out |
| CVA Family Office, LLC | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −159−100.0% | Sold out |
| Hemington Wealth Management | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −48−100.0% | Sold out |
| MPWM Advisory Solutions, LLC | 0 | $0 | 0.00% | −31−100.0% | Sold out |
| Continuum Advisory, LLC | 0 | $0 | 0.00% | −20−100.0% | Sold out |
| Bell Investment Advisors, Inc | 0 | $0 | 0.00% | −12−100.0% | Sold out |
| True Wealth Design, LLC | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −26−100.0% | Sold out |
| CAPROCK Group, Inc. | – | – | – | – | Not filed |
| Noble Wealth Management PBC | – | – | – | – | Not filed |
| Sandy Spring Bank | – | – | – | – | Not filed |
| Credit Agricole S A | – | – | – | – | Not filed |
| Lindbrook Capital, LLC | – | – | – | – | Not filed |
| Spectrum Wealth Counsel, LLC | – | – | – | – | Not filed |