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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, Q2 2021

Institutional positions in System1, Inc. as of Jun 30, 2021. 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
40
+2 vs. Q1 2021
Shares held
10.1M
+874.4K (+9.4%) vs. Q1 2021
Total value
$17.3M
+$3.67M (+27.0%) vs. Q1 2021
New holders
8
5 more added
Sold out
6
5 more reduced

Compare with Q1 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 holdersQ2 2021: 0 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 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 heldQ2 2021: $0
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 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 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q2 2021

Shares, value and share of portfolio for each institution holding System1, Inc.; share changes are against Q1 2021.

Institutions holding SSTPW in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
LH Capital Markets, LLC1,300,000$2.24M0.76%00.0%Unchanged
Ratan Capital Management LP1,111,166$1.91M0.17%−200,000−15.3%Reduced
P Schoenfeld Asset Management LP692,400$1.19M0.07%+692,400New
Linden Advisors LP616,331$1.07M0.01%00.0%Unchanged
Sculptor Capital LP443,874$775.0K0.01%+15,000+3.5%Added
Magnetar Financial LLC411,670$708.0K0.01%00.0%Unchanged
Hickory Lane Capital Management LP371,761$639.0K0.40%−28,239−7.1%Reduced
Taconic Capital Advisors LP345,000$593.0K0.02%+11,667+3.5%Added
Blackstone Group Inc.333,333$573.0K0.00%00.0%Unchanged
Moore Capital Management, LP333,333$573.0K0.01%00.0%Unchanged
Antara Capital LP300,000$516.0K0.09%+300,000New
Ionic Capital Management LLC277,410$477.0K0.06%+277,410New
Balyasny Asset Management LLC270,980$466.0K0.00%+141,666+109.6%Added
Sage Rock Capital Management LP260,359$448.0K0.06%00.0%Unchanged
Park West Asset Management LLC233,333$401.0K0.01%00.0%Unchanged
Fort Baker Capital Management LP223,374$384.0K0.11%+223,374New
Westchester Capital Management, LLC219,925$378.0K0.01%−20,000−8.3%Reduced
Fortress Investment Group LLC219,125$376.0K0.02%00.0%Unchanged
Davidson Kempner Capital Management LP215,992$372.0K0.00%+65,992+44.0%Added
Glazer Capital, LLC211,622$364.0K0.01%+66,770+46.1%Added
D. E. Shaw & Co., Inc.199,866$344.0K0.00%00.0%Unchanged
Kepos Capital LP200,000$344.0K0.03%+200,000New
Monashee Investment Management LLC166,665$287.0K0.03%00.0%Unchanged
Azora Capital LP164,123$282.0K0.04%−77,393−32.0%Reduced
Aristeia Capital LLC140,056$241.0K0.00%00.0%Unchanged
Boussard & Gavaudan Investment Management LLP116,666$185.0K0.02%00.0%Unchanged
Cowen and Company, LLC106,846$184.0K0.01%+106,846New
JPMorgan Chase & Co–$171.0K0.00%–New
Tenor Capital Management Co., L.P.60,750$104.0K0.00%00.0%Unchanged
Gabelli Funds LLC55,959$96.0K0.00%00.0%Unchanged
CSS LLC53,689$92.0K0.00%+53,689New
Jefferies Group LLC50,000$86.0K0.00%−72,993−59.3%Reduced
PEAK6 Investments LLC50,000$86.0K0.00%00.0%Unchanged
Maven Securities LTD50,000$80.0K0.01%00.0%Unchanged
Gabelli & Co Investment Advisers, Inc.44,040$76.0K0.01%00.0%Unchanged
DuPont Capital Management Corp33,333$57.0K0.00%00.0%Unchanged
CNH Partners LLC33,333$57.0K0.00%00.0%Unchanged
Walleye Capital LLC19,720$34.0K0.00%00.0%Unchanged
Walleye Trading LLC12,480$21.0K0.00%00.0%Unchanged
Radcliffe Capital Management, L.P.190,214––00.0%Unchanged
Holocene Advisors, LP0$00.00%−581,808−100.0%Sold out
Fir Tree Capital Management LP0$00.00%−179,563−100.0%Sold out
Mint Tower Capital Management B.V.0$00.00%−66,666−100.0%Sold out
Waratah Capital Advisors Ltd.0$00.00%−32,352−100.0%Sold out
Omers Administration Corp0$00.00%−20,899−100.0%Sold out
Royal Bank of Canada0$00.00%−500−100.0%Sold out