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System1, Inc.

SST
Exchange
NYSE
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; 21 institutions reported holding it in 13F filings for Q2 2026, worth $1.38M in total; no superinvestor holds it.

Other share classesSSTPW

13F holders, Q3 2024

Institutional positions in System1, Inc. as of Sep 30, 2024. 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
60
+1 vs. Q2 2024
Shares held
34.9M
+1.75M (+5.3%) vs. Q2 2024
Total value
$39.1M
−$11.3M (−22.4%) vs. Q2 2024
New holders
7
15 more added
Sold out
6
21 more reduced

1 institution that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2024: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting SST 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 holdersQ3 2024: 60 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 1 institutionQ1 2022: 31 institutionsQ2 2022: 37 institutionsQ3 2022: 38 institutionsQ4 2022: 30 institutionsQ1 2023: 34 institutionsQ2 2023: 44 institutionsQ3 2023: 48 institutionsQ4 2023: 49 institutionsQ1 2024: 47 institutionsQ2 2024: 60 institutionsQ3 2024: 60 institutionsQ4 2024: 59 institutionsQ1 2025: 55 institutionsQ2 2025: 36 institutionsQ3 2025: 30 institutionsQ4 2025: 24 institutionsQ1 2026: 25 institutionsQ2 2026: 21 institutions
Value heldQ3 2024: $39.1M
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $9.79MQ1 2022: $421.1MQ2 2022: $193.0MQ3 2022: $182.2MQ4 2022: $133.5MQ1 2023: $138.1MQ2 2023: $154.8MQ3 2023: $41.6MQ4 2023: $76.8MQ1 2024: $69.4MQ2 2024: $53.0MQ3 2024: $39.1MQ4 2024: $31.6MQ1 2025: $13.2MQ2 2025: $17.9MQ3 2025: $22.5MQ4 2025: $3.20MQ1 2026: $2.50MQ2 2026: $1.38M
Institutions holding SST and their total value by quarter
QuarterHoldersValue
Q2 202621$1.38M
Q1 202625$2.50M
Q4 202524$3.20M
Q3 202530$22.5M
Q2 202536$17.9M
Q1 202555$13.2M
Q4 202459$31.6M
Q3 202460$39.1M
Q2 202460$53.0M
Q1 202447$69.4M
Q4 202349$76.8M
Q3 202348$41.6M
Q2 202344$154.8M
Q1 202334$138.1M
Q4 202230$133.5M
Q3 202238$182.2M
Q2 202237$193.0M
Q1 202231$421.1M
Q4 20211$9.79M
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q3 2024

Shares, value and share of portfolio for each institution holding System1, Inc.; share changes are against Q2 2024.

Institutions holding SST in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Cannae Holdings, Inc.27,012,794$30.3M2.32%00.0%Unchanged
BlackRock, Inc.1,892,871$2.12M0.00%+1,892,871New
Bank of America Corp1,663,912$1.86M0.00%−22,262−1.3%Reduced
Cerity Partners LLC1,092,125$1.22M0.00%+93,311+9.3%Added
Vanguard Group Inc649,222$727.1K0.00%+76,223+13.3%Added
Geode Capital Management, LLC473,732$530.6K0.00%+16,504+3.6%Added
State Street Corp412,250$461.7K0.00%−3,250−0.8%Reduced
Millennium Management LLC194,847$218.2K0.00%−15,218−7.2%Reduced
Northern Trust Corp182,037$203.9K0.00%−59,699−24.7%Reduced
Bridgeway Capital Management, LLC151,000$169.1K0.00%+31,700+26.6%Added
Pacific Ridge Capital Partners, LLC138,627$155.3K0.04%−47,290−25.4%Reduced
Jane Street Group, LLC103,589$116.0K0.00%+44,147+74.3%Added
Renaissance Technologies LLC84,300$94.4K0.00%+26,400+45.6%Added
Rhumbline Advisers79,902$89.5K0.00%+53,625+204.1%Added
Morgan Stanley78,811$88.3K0.00%+30,029+61.6%Added
Charles Schwab Investment Management Inc54,967$61.6K0.00%−66,725−54.8%Reduced
Bank of New York Mellon Corp50,368$56.4K0.00%−22,024−30.4%Reduced
Nuveen Asset Management, LLC50,329$56.4K0.00%00.0%Unchanged
Goldman Sachs Group Inc47,584$53.3K0.00%−155,426−76.6%Reduced
Barclays PLC38,866$43.5K0.00%+13,969+56.1%Added
JPMorgan Chase & Co33,993$38.1K0.00%+23,225+215.7%Added
Deutsche Bank AG30,240$33.9K0.00%00.0%Unchanged
Arbor Trust Wealth Advisors, LLC20,950$31.8K0.02%00.0%Unchanged
Susquehanna International Group, LLP26,665$29.9K0.00%−56,803−68.1%Reduced
XTX Topco Ltd22,630$25.3K0.00%−1,530−6.3%Reduced
New York State Common Retirement Fund22,489$25.2K0.00%00.0%Unchanged
HRT Financial LP22,975$25.0K0.00%−12,088−34.5%Reduced
Qube Research & Technologies Ltd21,353$23.9K0.00%−7,127−25.0%Reduced
ExodusPoint Capital Management, LP20,497$23.0K0.00%+20,497New
Price T Rowe Associates Inc17,596$20.0K0.00%00.0%Unchanged
Citigroup Inc16,965$19.0K0.00%−12,932−43.3%Reduced
SEI Investments Co16,217$18.2K0.00%00.0%Unchanged
Engineers Gate Manager LP15,236$17.1K0.00%+15,236New
Evoke Wealth, LLC15,000$16.8K0.00%00.0%Unchanged
Cubist Systematic Strategies, LLC14,925$16.7K0.00%+4,813+47.6%Added
AQR Capital Management LLC13,797$15.5K0.00%−1,038−7.0%Reduced
Mirae Asset Global ETFs Holdings Ltd.12,803$14.3K0.00%−3,467−21.3%Reduced
Corebridge Financial, Inc.12,523$14.0K0.00%−77−0.6%Reduced
UBS Group AG11,157$12.5K0.00%+3,909+53.9%Added
Invesco Ltd.10,970$12.3K0.00%+128+1.2%Added
Citadel Advisors LLC9,075$10.2K0.00%+9,075New
Tower Research Capital LLC (TRC)7,696$8.62K0.00%−11,346−59.6%Reduced
Wells Fargo & Company7,214$8.08K0.00%−284−3.8%Reduced
Royal Bank of Canada5,919$7.00K0.00%+559+10.4%Added
Point72 Asia (Singapore) Pte. Ltd.3,662$4.10K0.00%−3,644−49.9%Reduced
Legal & General Group Plc3,041$3.41K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.2,046$2.29K0.00%00.0%Unchanged
CWM, LLC1,433$2.00K0.00%+337+30.7%Added
California State Teachers Retirement System1,697$1.90K0.00%00.0%Unchanged
Point72 (DIFC) Ltd1,397$1.56K0.00%−1,559−52.7%Reduced
Amalgamated Bank835$1.00K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.700$7840.00%00.0%Unchanged
FMR LLC378$4230.00%−11,922−96.9%Reduced
Russell Investments Group, Ltd.175$1960.00%+175New
West Branch Capital LLC115$1290.00%00.0%Unchanged
Capital Performance Advisors LLP104$1160.00%+104New
Nisa Investment Advisors, LLC100$1120.00%00.0%Unchanged
SRS Capital Advisors, Inc.63$710.00%00.0%Unchanged
Sterling Capital Management LLC24$270.00%+24New
DuPont Capital Management Corp1$10.00%00.0%Unchanged
Y-Intercept (Hong Kong) Ltd0$00.00%−29,599−100.0%Sold out
Squarepoint Ops LLC0$00.00%−20,703−100.0%Sold out
Centiva Capital, LP0$00.00%−18,217−100.0%Sold out
HSBC Holdings PLC0$00.00%−12,096−100.0%Sold out
Neuberger Berman Group LLC0$00.00%−11,422−100.0%Sold out
Macquarie Group Ltd0$00.00%−613−100.0%Sold out
BlackRock Inc.––––Not filed