FISN Institutional Ownership
Who owns Deep Fission, Inc. and what the big funds did with it last quarter, from every SEC 13F filing. 22 funds reported holding FISN at Jun 30, 2026, together owning 3.9% of the company.
- ▲22 buying vs 0 selling
- ▲Held by funds +3.9 pts
- ●Funds holding +22
- ▲Superinvestors: 1 added, 0 cut
- ●Put/call not meaningful
What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.
Funds holding and ownership
1 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Last quarter | Change |
|---|---|---|---|
| Funds holding | 22 | – | – |
| In funds' top 10 | 3 | – | – |
| 13F shares | 2.3M | – | – |
| Held by funds | 3.9% | – | – |
| New positions | 22 | – | – |
| Increased | 0 | – | – |
| Reduced | 0 | – | – |
| Sold out | 0 | – | – |
| Calls (shares) | 0 | – | – |
| Puts (shares) | 0 | – | – |
| Put/call ratio | – | – | – |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in FISN
All superinvestors →
Who owns FISN
share of fund held shares- Index and passive funds1.2%
- Active managers and hedge funds86.0%
- Banks and brokers12.8%
- Pensions, insurers and other0.0%
The top 10 holders own 97.3% of all FISN shares that funds reported. Groups are our own grouping of filers by name.
Filed so far for Q3 2026
7 funds changed their position- Exchange Traded Concepts, LLCNew+480K sh
- Elevation Wealth Management LLCAdded+51K sh
- Essential Investment Partners LLCAdded+33K sh
- Harbour Capital Advisors, LLCNew+25K sh
- Traphagen Investment Advisors LLCAdded+3,149 sh
🔒 Free account: see all 7.
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | Blue Owl Capital Holdings LP | 2.26% | 1.3M | $14.7M | +1.3M |
| 2 | Elevation Wealth Management LLC | 0.51% | 298K | $3.3M | +298K |
| 3 | UBS Group AG | 0.34% | 198K | $2.2M | +198K |
| 4 | Consolidated Press International Holdings Ltd | 0.23% | 133K | $1.5M | +133K |
| 5 | Citadel Advisors LLC | 0.19% | 110K | $1.2M | +110K |
| 6 | LPL Financial LLC | 0.12% | 71K | $782K | +71K |
| 7 | Geode Capital Management, LLC | 0.05% | 27K | $302K | +27K |
| 8 | Essential Investment Partners LLC | 0.04% | 26K | $291K | +26K |
| 9 | Chapin Davis, Inc. | 0.03% | 19K | $210K | +19K |
| 10 | Goldman Sachs Group Inc | 0.03% | 17K | $192K | +17K |
- Blue Owl Capital Holdings LP+1.3M sh+$14.7M
- Elevation Wealth Management LLC+298K sh+$3.3M
- UBS Group AG+198K sh+$2.2M
- Consolidated Press International Holdings Ltd+133K sh+$1.5M
- Citadel Advisors LLC+110K sh+$1.2M
- LPL Financial LLC+71K sh+$782K
- Geode Capital Management, LLC+27K sh+$302K
- Essential Investment Partners LLC+26K sh+$291K
FISN institutional ownership FAQ
Who owns the most FISN stock?
In Q2 2026 13F filings the largest holder of FISN was Blue Owl Capital Holdings LP, followed by Elevation Wealth Management LLC and UBS Group AG. Index fund managers are usually the biggest holders of large companies.
What percentage of FISN is owned by institutions?
Funds that file 13F reports held 3.9% of FISN's shares at Jun 30, 2026, compared with 0.0% a quarter earlier. That counts every manager with more than $100 million in US stocks.
Are hedge funds buying FISN?
In Q2 2026, 22 funds bought FISN (22 of them new positions) and 0 sold (0 sold out completely). Among well known investors, 1 added and 0 cut. Our fund sentiment for FISN is bullish.
What is FISN's institutional put/call ratio?
Too few option positions were reported for a meaningful ratio.
How current is this FISN ownership data?
13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.