Latest Period
Q4 2025
Security Snapshot
System1, Inc. - Class A Common Stock, par value $0.0001 per share (SST) Institutional Ownership
CUSIP: 87200P109
13F Institutional Holders and Ownership History from Q4 2021 to Q4 2025
Institutions Reporting
0
Shares (Excl. Options)
0
Price
$0.36
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Keep this CUSIP in your research flow, then return after the next filing cycle to check what changed.
- Type / Class
- Equity / Class A Common Stock, par value $0.0001 per share
- Symbol
- SST on NYSE
- Shares outstanding
- 8,134,854
- Price per share
- $0.36
- All holders as of 31 Dec 2025
- Q4 2025
- Total 13F shares
- 0
- Total reported value
- $0
- Share change
- -38,866
- Value change
- -$43,530
- Number of holders
- 0
- Price from insider filings
- $0.36
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Quick Takeaways
- SST - System1, Inc. - Class A Common Stock, par value $0.0001 per share is tracked under CUSIP 87200P109.
- 0 institutions reported positions in Q4 2025.
- 3 significant owners is listed from Schedule 13D/13G reporting.
What Changed
- Holder count moved from 1 to 0 between Q3 2025 and Q4 2025.
- Reported value moved from $43,530 to $0.
Why This Matters
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Official SEC Source
Backed by Form 13F
Ownership context comes from SEC Form 13F and, when available, Schedule 13D/13G filings.
See Original FilingInvestment Quick Answers
What is CUSIP 87200P109?
CUSIP 87200P109 identifies SST - System1, Inc. - Class A Common Stock, par value $0.0001 per share in SEC 13F datasets.
Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.
Continue Investment Research
- Latest 13F filings for new institutional portfolio disclosures.
- Latest Schedule 13D/13G reports for activist and beneficial ownership updates.
- Latest 10-Q/10-K reports to cross-check issuer fundamentals.
- Recent insider transactions for management buying/selling context.
- SEC investors directory and top value investors for manager-level discovery.
- All institutional ownership pages to compare adjacent CUSIP pages.
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 87200P109:
Significant Owners of System1, Inc. - Class A Common Stock, par value $0.0001 per share (SST) based on Schedule 13D/G filings
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Blend Family Foundation | 7% | $2,107,129 | 5,545,077 | The Blend Family Foundation | 02 May 2025 | |||
| FOLEY WILLIAM P II | 4.8% | $140,570 | 390,473 | William P. Foley, II | 05 Nov 2025 | |||
| Cannae Holdings, Inc. | 4.4% | -87% | $128,447 | -$844,014 | 356,797 | -87% | Cannae Holdings, Inc. | 01 Dec 2025 |
Institutional Holders of System1, Inc. - Class A Common Stock, par value $0.0001 per share (SST) across Reporting Periods
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 0 | $0 | -$43,530 | $0.36 | 0 |
| 2025 Q3 | 38,866 | $43,530 | +$43,530 | $1.12 | 1 |
| 2025 Q2 | 0 | $0 | -$13,188,137 | $0.36 | 0 |
| 2025 Q1 | 34,593,157 | $13,188,899 | -$568,131 | $0.38 | 53 |
| 2024 Q4 | 35,216,702 | $31,634,769 | +$286,853 | $0.90 | 57 |
| 2024 Q3 | 34,876,789 | $39,071,349 | -$197,203 | $1.12 | 60 |
| 2024 Q2 | 34,861,088 | $52,988,402 | -$886,897 | $1.52 | 59 |
| 2024 Q1 | 35,412,589 | $69,413,706 | +$1,594,362 | $1.96 | 47 |
| 2023 Q4 | 34,582,063 | $76,772,862 | +$838,896 | $2.22 | 49 |
| 2023 Q3 | 34,340,758 | $41,551,743 | -$189,106 | $1.21 | 47 |
| 2023 Q2 | 34,388,979 | $154,750,765 | +$10,291,060 | $4.50 | 44 |
| 2023 Q1 | 32,113,623 | $138,102,614 | +$15,712,779 | $4.30 | 34 |
| 2022 Q4 | 28,464,983 | $133,500,363 | -$3,549,034 | $4.69 | 30 |
| 2022 Q3 | 28,970,054 | $182,223,065 | +$7,622,302 | $6.29 | 34 |
| 2022 Q2 | 27,683,492 | $192,956,000 | -$11,915,084 | $6.97 | 33 |
| 2022 Q1 | 29,020,800 | $421,091,000 | +$411,233,000 | $14.51 | 29 |
| 2021 Q4 | 982,589 | $9,787,000 | +$9,787,000 | $9.96 | 1 |