SST Institutional Ownership
Who owns System1, Inc. and what the big funds did with it last quarter, from every SEC 13F filing. 21 funds reported holding SST at Jun 30, 2026.
- ▼10 buying vs 14 selling
- ▼Shares held by funds -27.7%
- ▼Funds holding -4
- ▼Superinvestors: 0 added, 2 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
5 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Q1 2026 | Change |
|---|---|---|---|
| Funds holding | 21 | 25 | −16.0% |
| In funds' top 10 | 0 | 1 | −100.0% |
| 13F shares | 598K | 827K | −27.7% |
| Held by funds | – | – | – |
| New positions | 7 | 3 | +133.3% |
| Increased | 3 | 4 | −25.0% |
| Reduced | 4 | 5 | −20.0% |
| Sold out | 10 | 4 | +150.0% |
| Calls (shares) | 0 | 0 | – |
| Puts (shares) | 0 | 0 | – |
| Put/call ratio | – | – | – |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in SST
All superinvestors →
Who owns SST
share of fund held shares- Index and passive funds34.1%
- Active managers and hedge funds36.3%
- Banks and brokers29.6%
- Pensions, insurers and other0.0%
The top 10 holders own 98.0% of all SST shares that funds reported. Groups are our own grouping of filers by name.
Filed so far for Q3 2026
5 funds changed their position- Crescent Grove Advisors, LLCAdded+301K sh
- Leonteq Securities AGSold out−13K sh
- Caitong International Asset Management Co., LtdNew+44 sh
- SBI Securities Co., Ltd.Added+20 sh
- Signaturefd, LLCSold out−1 sh
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | Bank of America Corp /de/ | – | 162K | $373K | −6 |
| 2 | Vanguard Capital Management LLC | – | 128K | $295K | +90K |
| 3 | Cerity Partners LLC | – | 117K | $270K | 0 |
| 4 | Crescent Grove Advisors, LLC | – | 76K | $175K | +76K |
| 5 | BlackRock, Inc. | – | 43K | $100K | +19K |
| 6 | Morgan Stanley | – | 13K | $30K | +13K |
| 7 | Geode Capital Management, LLC | – | 13K | $29K | −11K |
| 8 | Leonteq Securities AG | – | 13K | $29K | +13K |
| 9 | Price T Rowe Associates Inc /md/ | – | 12K | $28K | +12K |
| 10 | State Street Corp | – | 12K | $27K | 0 |
- Vanguard Capital Management LLC+90K sh+$209K
- Crescent Grove Advisors, LLC+76K sh+$175K
- BlackRock, Inc.+19K sh+$44K
- Morgan Stanley+13K sh+$30K
- Leonteq Securities AG+13K sh+$29K
- Price T Rowe Associates Inc /md/+12K sh+$28K
- Royal Bank of Canada+1,275 sh+$3K
- Jones Financial Companies Lllp+366 sh+$919
- Cannae Holdings, Inc.−357K sh−$1.1M
- Millennium Management LLC−33K sh−$99K
- NINE MASTS CAPITAL Ltd−19K sh−$56K
- Renaissance Technologies LLC−18K sh−$55K
- Geode Capital Management, LLC−11K sh−$26K
- Tower Research Capital LLC (TRC)−7,332 sh−$22K
- Jpmorgan Chase & Co−5,848 sh−$14K
- Vanguard Global Advisers, LLC−660 sh−$2K
SST institutional ownership FAQ
Who owns the most SST stock?
In Q2 2026 13F filings the largest holder of SST was Bank of America Corp /de/, followed by Vanguard Capital Management LLC and Cerity Partners LLC. Index fund managers are usually the biggest holders of large companies.
What percentage of SST is owned by institutions?
21 funds reported holding 598K SST shares at Jun 30, 2026.
Are hedge funds buying SST?
In Q2 2026, 10 funds bought SST (7 of them new positions) and 14 sold (10 sold out completely). Among well known investors, 0 added and 2 cut. Our fund sentiment for SST is strongly bearish.
What is SST's institutional put/call ratio?
Too few option positions were reported for a meaningful ratio.
How current is this SST 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.