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 $4.27B in total; ARK Invest is the only superinvestor holding it.
Superinvestors holding OKLO, Q2 2026
1 superinvestor reports holding Oklo Inc. on Form 13F, worth $19.5M in total. Weight is Oklo Inc.'s share of each 13F portfolio; actions compare shares with Q1 2026.
| Superinvestor | % of portfolio | Shares | Value | vs. previous quarter |
|---|---|---|---|---|
| ARK InvestCathie Wood | 0.1% | 372,257 | $19.5M | Added+6.0% |
Moves by quarter
Superinvestors that opened, added to, trimmed or sold out of OKLO each quarter, comparing shares with the quarter before. A superinvestor that didn't file for a quarter isn't listed, and isn't counted as selling.
Q2 2026
1 superinvestor holding at quarter end
- Added
- ARK Invest (+6.0%)
Q1 2026
1 superinvestor holding at quarter end
- Added
- ARK Invest (+57.4%)
- Sold out
- Soros Fund Management
Q4 2025
2 superinvestors holding at quarter end
- New
- Soros Fund Management
- Added
- ARK Invest (+42.5%)
Q3 2025
1 superinvestor holding at quarter end
- Reduced
- ARK Invest (−17.7%)
Q2 2025
1 superinvestor holding at quarter end
- Reduced
- ARK Invest (−33.9%)
Q1 2025
1 superinvestor holding at quarter end
- Reduced
- ARK Invest (−36.7%)
- Sold out
- Tiger Global Management
Q4 2024
2 superinvestors holding at quarter end
- Reduced
- ARK Invest (−55.8%)
Q3 2024
2 superinvestors holding at quarter end
- New
- ARK Invest
Q4 2023
1 superinvestor holding at quarter end
- Reduced
- Tiger Global Management (−23.6%)
Q3 2023
1 superinvestor holding at quarter end
- Sold out
- Starboard Value
Q1 2022
2 superinvestors holding at quarter end
- Reduced
- Starboard Value (−14.3%)
Q4 2021
2 superinvestors holding at quarter end
- Reduced
- Starboard Value (−4.0%)
Q3 2021
2 superinvestors holding at quarter end