# SYSTEM1 INC (SST)

> Institutional ownership reported to the SEC as of Q2 2026, from Form 13F filings. Source: https://holderbook.com/stocks/SST/

- Reporting holders: 22
- Reported value: $1.4M
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [BANK OF AMERICA CORP /DE/](https://holderbook.com/funds/70858-bank-of-america-corp-de/) | $373.1K | 161,513 | 0.0% | 5 |
| [VANGUARD CAPITAL MANAGEMENT LLC](https://holderbook.com/funds/2100119-vanguard-capital-management-llc/) | $294.7K | 127,576 | 0.0% | 2 |
| [Cerity Partners LLC](https://holderbook.com/funds/1566475-cerity-partners-llc/) | $269.9K | 116,844 | 0.0% | 5 |
| [Crescent Grove Advisors, LLC](https://holderbook.com/funds/1713520-crescent-grove-advisors-llc/) | $174.5K | 75,545 | 0.0% | 1 |
| [BlackRock, Inc.](https://holderbook.com/funds/2012383-blackrock-inc/) | $100.1K | 43,353 | 0.0% | 5 |
| [STATE STREET CORP](https://holderbook.com/funds/93751-state-street-corp/) | $53.1K | 23,004 | 0.0% | 5 |
| [MORGAN STANLEY](https://holderbook.com/funds/895421-morgan-stanley/) | $30.3K | 13,134 | 0.0% | 1 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://holderbook.com/funds/1214717-geode-capital-management-llc/) | $28.9K | 12,519 | 0.0% | 5 |
| [Leonteq Securities AG](https://holderbook.com/funds/1535950-leonteq-securities-ag/) | $28.9K | 12,500 | 0.0% | 1 |
| [PRICE T ROWE ASSOCIATES INC /MD/](https://holderbook.com/funds/80255-price-t-rowe-associates-inc-md/) | $28.0K | 11,731 | 0.0% | 1 |
| [VANGUARD FIDUCIARY TRUST CO](https://holderbook.com/funds/933478-vanguard-fiduciary-trust-co/) | $21.1K | 9,141 | 0.0% | 2 |
| [ROYAL BANK OF CANADA](https://holderbook.com/funds/1000275-royal-bank-of-canada/) | $3.0K | 1,314 | 0.0% | 1 |
| [UBS Group AG](https://holderbook.com/funds/1610520-ubs-group-ag/) | $1.4K | 618 | 0.0% | 5 |
| [JONES FINANCIAL COMPANIES LLLP](https://holderbook.com/funds/815917-jones-financial-companies-lllp/) | $919 | 366 | 0.0% | 1 |
| [BNP PARIBAS FINANCIAL MARKETS](https://holderbook.com/funds/1166588-bnp-paribas-financial-markets/) | $199 | 86 | 0.0% | 5 |
| [SBI Securities Co., Ltd.](https://holderbook.com/funds/1851815-sbi-securities-co-ltd/) | $139 | 60 | 0.0% | 5 |
| [JPMORGAN CHASE & CO](https://holderbook.com/funds/19617-jpmorgan-chase-co/) | $102 | 42 | 0.0% | 5 |
| [OSAIC HOLDINGS, INC.](https://holderbook.com/funds/1677044-osaic-holdings-inc/) | $80 | 35 | 0.0% | 5 |
| [GROUP ONE TRADING LLC](https://holderbook.com/funds/932540-group-one-trading-llc/) | $76 | 33 | 0.0% | 5 |
| [MERCER GLOBAL ADVISORS INC /ADV](https://holderbook.com/funds/853758-mercer-global-advisors-inc-adv/) | $37 | 16 | 0.0% | 1 |
| [BARCLAYS PLC](https://holderbook.com/funds/312069-barclays-plc/) | $21 | 9 | 0.0% | 1 |
| [SIGNATUREFD, LLC](https://holderbook.com/funds/1456048-signaturefd-llc/) | $2 | 1 | 0.0% | 1 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 22 | $1.4M |
| Q1 2026 | 23 | $1.4M |
| Q4 2025 | 21 | $1.8M |
| Q3 2025 | 29 | $22.5M |
| Q2 2025 | 35 | $18.3M |
| Q1 2025 | 55 | $13.3M |
| Q4 2024 | 63 | $32.1M |
| Q3 2024 | 64 | $39.6M |
| Q2 2024 | 63 | $53.8M |
| Q1 2024 | 50 | $71.3M |
| Q4 2023 | 53 | $81.5M |
| Q3 2023 | 52 | $43.5M |