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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, Q1 2022

Institutional positions in System1, Inc. as of Mar 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
24
−11 vs. Q4 2021
Shares held
3.70M
−4.95M (−57.3%) vs. Q4 2021
Total value
$10.6M
−$1.86M (−15.0%) vs. Q4 2021
New holders
11
2 more added
Sold out
22
7 more reduced

Compare with Q4 2021: 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 holdersQ1 2022: 24 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 heldQ1 2022: $10.6M
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, Q1 2022

Shares, value and share of portfolio for each institution holding System1, Inc.; share changes are against Q4 2021.

Institutions holding SSTPW in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Highbridge Capital Management LLC–$5.55M0.14%––
P Schoenfeld Asset Management LP411,316$658.0K0.04%−235,945−36.5%Reduced
Balyasny Asset Management LLC341,666$547.0K0.00%+47,065+16.0%Added
Taconic Capital Advisors LP335,000$536.0K0.02%−10,000−2.9%Reduced
Skaana Management L.P.323,875$518.0K0.08%+323,875New
Sculptor Capital LP266,155$423.0K0.00%−177,719−40.0%Reduced
Privium Fund Management B.V.250,500$401.0K0.09%+250,500New
Moore Capital Management, LP239,800$384.0K0.01%−93,533−28.1%Reduced
Fortress Investment Group LLC208,727$334.0K0.02%−10,398−4.7%Reduced
D. E. Shaw & Co., Inc.199,866$320.0K0.00%00.0%Unchanged
Miracle Mile Advisors, LLC150,000$240.0K0.01%+150,000New
Wolverine Asset Management LLC110,255$176.0K0.00%+110,255New
Difesa Capital Management, LP90,935$145.0K0.09%−165,765−64.6%Reduced
Rpo LLC81,600$131.0K0.04%+81,600New
Tenor Capital Management Co., L.P.60,750$97.0K0.00%00.0%Unchanged
Walleye Capital LLC24,720$40.0K0.00%+5,000+25.4%Added
Mission Wealth Management, LP15,000$24.0K0.00%−19,000−55.9%Reduced
Walleye Trading LLC12,480$20.0K0.00%00.0%Unchanged
HRT Financial LP11,834$18.0K0.00%+11,834New
UBS Group AG8,997$14.0K0.00%+8,997New
Healthcare of Ontario Pension Plan Trust Fund8,350$13.0K0.00%+8,350New
Steward Partners Investment Advisory, LLC1,161$2.00K0.00%+1,161New
Morgan Stanley333$1.00K0.00%+333New
LMR Partners LLP545,178––+545,178New
LH Capital Markets, LLC0$00.00%−1,700,000−100.0%Sold out
Ratan Capital Management LP0$00.00%−829,356−100.0%Sold out
Linden Advisors LP0$00.00%−616,331−100.0%Sold out
Magnetar Financial LLC0$00.00%−411,670−100.0%Sold out
Ionic Capital Management LLC0$00.00%−366,223−100.0%Sold out
Blackstone Group Inc.0$00.00%−333,333−100.0%Sold out
Fort Baker Capital Management LP0$00.00%−259,953−100.0%Sold out
Westchester Capital Management, LLC0$00.00%−219,925−100.0%Sold out
Davidson Kempner Capital Management LP0$00.00%−215,992−100.0%Sold out
Kepos Capital LP0$00.00%−200,000−100.0%Sold out
Aristeia Capital LLC0$00.00%−140,056−100.0%Sold out
JPMorgan Chase & Co0$00.00%–Sold out
Boussard & Gavaudan Investment Management LLP0$00.00%−116,666−100.0%Sold out
HBK Investments L P0$00.00%−70,000−100.0%Sold out
Mint Tower Capital Management B.V.0$00.00%−66,666−100.0%Sold out
Maven Securities LTD0$00.00%−50,000−100.0%Sold out
Integrity Capital Management (HK) Ltd0$00.00%−50,000−100.0%Sold out
DuPont Capital Management Corp0$00.00%−33,333−100.0%Sold out
Omers Administration Corp0$00.00%−20,899−100.0%Sold out
K.J. Harrison & Partners Inc0$00.00%−10,000−100.0%Sold out
CNH Partners LLC0$00.00%−33,333−100.0%Sold out
Radcliffe Capital Management, L.P.0$00.00%−42,789−100.0%Sold out