FISN DEEP FISSION INC: institutional ownership and insider trading
22 funds reported holding $25.2M of DEEP FISSION INC in their latest 13F filings; in Q2 2026 funds net bought $25.2M, with 21 new positions and 0 funds selling out.
Famous investors holding FISN
- Ken Griffin (Citadel Advisors): $1.21M, 0.0% of the portfolio
Largest institutional holders of FISN
- Blue Owl Capital Holdings LP — $14.7M
- Elevation Wealth Management LLC — $3.29M
- UBS Group AG (UBS) — $2.19M
- CONSOLIDATED PRESS INTERNATIONAL HOLDINGS LTD — $1.47M
- CITADEL ADVISORS LLC — $1.21M
- LPL Financial LLC — $782K
- GEODE CAPITAL MANAGEMENT, LLC — $302K
- Essential Investment Partners LLC — $291K
- GOLDMAN SACHS GROUP INC (GS, GSCE, GS-PA, GS-PC, GS-PD) — $192K
- BHK Investment Advisors, LLC — $166K
5%+ owners
- Mark N.Tompkins: 5.6% (Schedule 13G/A, filed May 15, 2026)