SYSTEM1SST
13F holders, Q2 2026 (June 30)21holders −4
7new positions
10sold out
$2.31avg. 13F price*
At the end of Q2 2026, 21 institutions reported holding SYSTEM1 Inc. (SST) in their 13F filings, down 4 from Q1 2026. 7 opened new positions and 10 sold out. The largest holders were Bank of America Corp. ($373K), Vanguard Capital Management LLC ($295K) and Cerity Partners LLC ($270K).
- Company
- SYSTEM1 Inc.
- CUSIP
- 87200P208
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 7 | $263K |
| Exits | 10 | $1.3M |
All 13F filers, Q1 2026 → Q2 2026: 224,111 shares bought and 452,997 shares sold, net −228,886 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 21 holders
| Bank of America Corp. | 0.00% | Reduce 0.0% | 161,513 | $373K |
| Vanguard Capital Management LLC | 0.00% | Add +243.6% | 127,576 | $295K |
| Cerity Partners LLC | 0.00% | No change | 116,844 | $270K |
| Crescent Grove Advisors, LLC | 0.01% | New | 75,545 | $175K |
| BlackRock, Inc. | 0.00% | Add +78.8% | 43,353 | $100K |
| Morgan Stanley | 0.00% | New | 13,134 | $30K |
| Geode Capital Management, LLC | 0.00% | Reduce -47.5% | 12,519 | $29K |
| Leonteq Securities AG | 0.00% | New | 12,500 | $29K |
| T. Rowe Price Associates Inc. | 0.00% | New | 11,731 | $28K |
| State Street Corp. | 0.00% | No change | 11,502 | $27K |
| Vanguard Fiduciary Trust Co. | 0.00% | No change | 9,141 | $21K |
| Royal Bank of Canada | 0.00% | Add +3269.2% | 1,314 | $3K |
| UBS Group AG | 0.00% | Reduce -53.3% | 618 | $1K |
| Jones Financial Companies LLLP | 0.00% | New | 366 | $919 |
| BNP Paribas Financial Markets | 0.00% | No change | 86 | $199 |
| SBI Securities Co., Ltd. | 0.00% | No change | 60 | $139 |
| JPMorgan Chase & Co. | 0.00% | Reduce -99.3% | 42 | $102 |
| Osaic Holdings, Inc. | 0.00% | No change | 35 | $80 |
| Group One Trading LLC | 0.00% | Reduce -85.2% | 33 | $76 |
| Barclays PLC | 0.00% | New | 9 | $21 |
| Signaturefd, LLC | 0.00% | New | 1 | $2 |
"% of holder's portfolio" is SST's weight in each manager's 13F, not the share of SYSTEM1 Inc. the manager owns.