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System1, Inc.

SSTPW
Exchange
OTC
Industry
Services-Computer Programming, Data Processing, Etc.
SEC CIK
0001805833

No open-market purchases or sales by System1, Inc. insiders were filed in the last 90 days; no institution reported holding it in 13F filings for Q2 2026; no superinvestor holds it.

Other share classesSST

13F holders, Q4 2022

Institutional positions in System1, Inc. as of Dec 31, 2022. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
22
0 vs. Q3 2022
Shares held
1.91M
−816.5K (−30.0%) vs. Q3 2022
Total value
$1.32M
−$3.64M (−73.4%) vs. Q3 2022
New holders
2
2 more added
Sold out
2
4 more reduced

1 institution that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2022: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting SSTPW on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2022: 22 institutions
Q1 2021: 38 institutionsQ2 2021: 40 institutionsQ3 2021: 36 institutionsQ4 2021: 35 institutionsQ1 2022: 24 institutionsQ2 2022: 22 institutionsQ3 2022: 23 institutionsQ4 2022: 22 institutionsQ1 2023: 20 institutionsQ2 2023: 16 institutionsQ3 2023: 14 institutionsQ4 2023: 20 institutionsQ1 2024: 17 institutionsQ2 2024: 16 institutionsQ3 2024: 16 institutionsQ4 2024: 18 institutionsQ1 2025: 17 institutionsQ2 2025: 2 institutionsQ3 2025: 0 institutionsQ4 2025: 0 institutionsQ1 2026: 0 institutionsQ2 2026: 0 institutions
Value heldQ4 2022: $1.32M
Q1 2021: $13.6MQ2 2021: $17.3MQ3 2021: $13.9MQ4 2021: $12.5MQ1 2022: $10.6MQ2 2022: $4.74MQ3 2022: $4.99MQ4 2022: $1.32MQ1 2023: $959.3KQ2 2023: $1.66MQ3 2023: $188.5KQ4 2023: $506.8KQ1 2024: $441.0KQ2 2024: $178.4KQ3 2024: $156.1KQ4 2024: $45.1KQ1 2025: $42.5KQ2 2025: $235Q3 2025: $0Q4 2025: $0Q1 2026: $0Q2 2026: $0
Institutions holding SSTPW and their total value by quarter
QuarterHoldersValue
Q2 20260$0
Q1 20260$0
Q4 20250$0
Q3 20250$0
Q2 20252$235
Q1 202517$42.5K
Q4 202418$45.1K
Q3 202416$156.1K
Q2 202416$178.4K
Q1 202417$441.0K
Q4 202320$506.8K
Q3 202314$188.5K
Q2 202316$1.66M
Q1 202320$959.3K
Q4 202222$1.32M
Q3 202223$4.99M
Q2 202222$4.74M
Q1 202224$10.6M
Q4 202135$12.5M
Q3 202136$13.9M
Q2 202140$17.3M
Q1 202138$13.6M

Institutions, Q4 2022

Shares, value and share of portfolio for each institution holding System1, Inc.; share changes are against Q3 2022.

Institutions holding SSTPW in Q4 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Highbridge Capital Management LLC–$696.0K0.02%––
CSS LLC414,552$192.3K0.01%+205,866+98.6%Added
Wolverine Asset Management LLC181,263$84.1K0.00%+19,382+12.0%Added
D. E. Shaw & Co., Inc.126,079$58.5K0.00%−60,000−32.2%Reduced
Balyasny Asset Management LLC125,000$58.0K0.00%00.0%Unchanged
Moore Capital Management, LP100,000$46.4K0.00%00.0%Unchanged
Tenor Capital Management Co., L.P.60,750$28.2K0.00%00.0%Unchanged
Murchinson Ltd.55,309$25.7K0.00%00.0%Unchanged
Privium Fund Management B.V.62,200$24.7K0.01%−871,039−93.3%Reduced
Boussard & Gavaudan Investment Management LLP56,666$23.8K0.00%00.0%Unchanged
Two Sigma Investments, LP45,700$21.2K0.00%+45,700New
Cerity Partners LLC35,000$16.2K0.00%00.0%Unchanged
Jefferies Financial Group Inc.29,480$13.7K0.00%+29,480New
Walleye Capital LLC20,015$9.28K0.00%−8,700−30.3%Reduced
Warberg Asset Management LLC17,400$8.07K0.00%−6,700−27.8%Reduced
Mission Wealth Management, LP15,000$6.96K0.00%00.0%Unchanged
Healthcare of Ontario Pension Plan Trust Fund8,350$3.87K0.00%00.0%Unchanged
Creative Financial Designs Inc2,000$9280.00%00.0%Unchanged
Steward Partners Investment Advisory, LLC1,062$4930.00%00.0%Unchanged
Morgan Stanley333$1540.00%00.0%Unchanged
Boothbay Fund Management, LLC27,655––00.0%Unchanged
LMR Partners LLP525,178––00.0%Unchanged
Miracle Mile Advisors, LLC0$00.00%−150,000−100.0%Sold out
Virtu Financial LLC0$00.00%−20,462−100.0%Sold out
Jefferies Group LLC––––Not filed