Deep Fission, Inc.
FISN- Exchange
- Nasdaq
- Industry
- Electric Services
- SEC CIK
- 0001918102
No open-market purchases or sales by Deep Fission, Inc. insiders were filed in the last 90 days; 21 institutions reported holding it in 13F filings for Q2 2026, worth $25.2M in total; no superinvestor holds it.
13F holders, Q2 2026
Institutional positions in Deep Fission, Inc. as of Jun 30, 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
- 21
- +21 vs. Q1 2026
- Shares held
- 2.29M
- +2.29M vs. Q1 2026
- Total value
- $25.2M
- +$25.2M vs. Q1 2026
- New holders
- 21
- 0 more added
- Sold out
- 0
- 0 more reduced
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting FISN 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 | 21 | $25.2M |
| Q1 2026 | 0 | $0 |
| Q4 2025 | 0 | $0 |
| Q3 2025 | 0 | $0 |
| Q2 2025 | 0 | $0 |
| Q1 2025 | 0 | $0 |
| Q4 2024 | 0 | $0 |
| Q3 2024 | 0 | $0 |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Deep Fission, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Citigroup Inc | 2 | $22 | 0.00% | +2 | New |
| National Bank of Canada | 200 | $2.16K | 0.00% | +200 | New |
| Jones Financial Companies LLLP | 300 | $3.23K | 0.00% | +300 | New |
| Wells Fargo & Company | 335 | $3.70K | 0.00% | +335 | New |
| FNY Investment Advisers, LLC | 500 | $5.00K | 0.00% | +500 | New |
| Clearstead Advisors, LLC | 500 | $5.52K | 0.00% | +500 | New |
| US Bancorp | 1,100 | $12.1K | 0.00% | +1,100 | New |
| Morgan Stanley | 6,050 | $66.8K | 0.00% | +6,050 | New |
| Traphagen Investment Advisors LLC | 13,666 | $150.9K | 0.01% | +13,666 | New |
| Prelude Capital Management, LLC | 14,714 | $162.4K | 0.01% | +14,714 | New |
| BHK Investment Advisors, LLC | 15,000 | $165.6K | 0.05% | +15,000 | New |
| Goldman Sachs Group Inc | 17,373 | $191.8K | 0.00% | +17,373 | New |
| Chapin Davis, Inc. | 19,000 | $209.8K | 0.04% | +19,000 | New |
| Essential Investment Partners LLC | 26,400 | $291.5K | 0.23% | +26,400 | New |
| Geode Capital Management, LLC | 27,333 | $301.8K | 0.00% | +27,333 | New |
| LPL Financial LLC | 70,858 | $782.3K | 0.00% | +70,858 | New |
| Citadel Advisors LLC | 110,000 | $1.21M | 0.00% | +110,000 | New |
| Consolidated Press International Holdings Ltd | 133,333 | $1.47M | 56.42% | +133,333 | New |
| UBS Group AG | 198,497 | $2.19M | 0.00% | +198,497 | New |
| Elevation Wealth Management LLC | 298,335 | $3.29M | 2.47% | +298,335 | New |
| Blue Owl Capital Holdings LP | 1,333,333 | $14.7M | 2.24% | +1,333,333 | New |