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, Q3 2025
Institutional positions in Oklo Inc. as of Sep 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
- 640
- +163 vs. Q2 2025
- Shares held
- 64.9M
- +10.8M (+19.9%) vs. Q2 2025
- Total value
- $7.24B
- +$4.21B (+138.9%) vs. Q2 2025
- New holders
- 231
- 208 more added
- Sold out
- 68
- 150 more reduced
4 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Oklo Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Cape Investment Advisory, Inc. | 0 | $0 | 0.00% | −40−100.0% | Sold out |
| Kestra Investment Management, LLC | 0 | $0 | 0.00% | −44−100.0% | Sold out |
| Slocum, Gordon & Co LLP | 0 | $0 | 0.00% | −24−100.0% | Sold out |
| Bellevue Asset Management, LLC | 0 | $0 | 0.00% | −24−100.0% | Sold out |
| Aspect Partners, LLC | 0 | $0 | 0.00% | −17−100.0% | Sold out |
| GeoWealth Management, LLC | 0 | $0 | 0.00% | −13−100.0% | Sold out |
| Accredited Wealth Management, LLC | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| Resources Management Corp | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Avantax Advisory Services, Inc. | – | – | – | – | Not filed |
| CIBC World Markets Corp | – | – | – | – | Not filed |
| Total Wealth Planning & Management, Inc. | – | – | – | – | Not filed |
| Bordeaux Wealth Advisors LLC | – | – | – | – | Not filed |