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 |
|---|---|---|---|---|---|
| Breakwater Investment Management | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| Pension & Wealth Management Advisors, Inc. | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| Principia Wealth Advisory, LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Avion Wealth | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| Norges Bank | – | – | – | – | Not filed |
| CIBC World Markets Corp | – | – | – | – | Not filed |
| Stephens Consulting, LLC | – | – | – | – | Not filed |
| CIBC Private Wealth Group, LLC | – | – | – | – | Not filed |
| Keystone Investors Pte Ltd | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |
| David Loasby | – | – | – | – | Not filed |
| GPS Wealth Strategies Group, LLC | – | – | – | – | Not filed |
| Comerica Bank | – | – | – | – | Not filed |
| Litman Gregory Asset Management LLC | – | – | – | – | Not filed |
| Trust Co of Vermont | – | – | – | – | Not filed |
| ORG Partners LLC | – | – | – | – | Not filed |
| Motiv8 Investments LLC | – | – | – | – | Not filed |