4 hedge funds and family offices disclose a OKLO position in their latest SEC 13F filing — combined $21.3M in market value.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Cathie Wood | ARK Investment Management LLC | 351,169 | $17.4M | 0.14% | 2026-03-31 |
| 2 | Ray Dalio | Bridgewater Associates LP | 54,956 | $2.7M | 0.01% | 2026-03-31 |
| 3 | Mairs & Power | Mairs & Power Inc | 15,561 | $1.1M | 0.01% | 2025-12-31 |
| 4 | Christopher Bloomstran | Semper Augustus Investments Group LLC | 483 | $35K | 0.01% | 2025-12-31 |
As of the latest 13F window, 4 tracked superinvestors hold OKLO. The largest disclosed position is Cathie Wood at $17.4M (0.1% of portfolio).
13F filings are due 45 days after each quarter end and capture long-equity positions held by U.S. institutional managers with $100M+ AUM. Use this page to see exactly who is buying OKLO, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.
Key takeaways
4 hedge funds and family offices disclose a OKLO position in their latest SEC 13F filing — combined $21.3M in market value.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Cathie Wood | ARK Investment Management LLC | 351,169 | $17.4M | 0.14% | 2026-03-31 |
| 2 | Ray Dalio | Bridgewater Associates LP | 54,956 | $2.7M | 0.01% | 2026-03-31 |
| 3 | Mairs & Power | Mairs & Power Inc | 15,561 | $1.1M | 0.01% | 2025-12-31 |
| 4 | Christopher Bloomstran | Semper Augustus Investments Group LLC | 483 | $35K | 0.01% | 2025-12-31 |
As of the latest 13F window, 4 tracked superinvestors hold OKLO. The largest disclosed position is Cathie Wood at $17.4M (0.1% of portfolio).
13F filings are due 45 days after each quarter end and capture long-equity positions held by U.S. institutional managers with $100M+ AUM. Use this page to see exactly who is buying OKLO, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.
Key takeaways
