NYSE: SST
System1 Inc Stock Ownership - Who owns System1?

Insider buying vs selling

Have System1 Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Daniel J. WeinrotGeneral Counsel Secretary2026-01-28211$4.18
$881.98Sell
Tridivesh KidambiChief Financial Officer2026-01-28258$4.18
$1.08kSell
Elizabeth SestanovichChief People Officer2026-01-28211$4.18
$881.98Sell
Brian CoppolaChief Ad Operations Officer2026-01-28231$4.18
$965.58Sell
Elizabeth SestanovichChief People Officer2026-01-15377$4.40
$1.66kSell
Daniel J. WeinrotGeneral Counsel Secretary2026-01-15377$4.40
$1.66kSell
Brian CoppolaChief Ad Operations Officer2026-01-15371$4.40
$1.63kSell
Tridivesh KidambiChief Financial Officer2026-01-15345$4.40
$1.52kSell
Tridivesh KidambiChief Financial Officer2025-10-28263$6.18
$1.63kSell
Brian CoppolaChief Ad Operations Officer2025-10-28235$6.18
$1.45kSell

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Net Insider Buy/Sell (L12M) Ownership

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SST Shareholders

What type of owners hold System1 Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Cannae Holdings Inc1,333.82%132,012,990$265.35MInsider
Christopher Stephen Phillips990.48%98,031,312$197.04MInsider
Just Develop It Ltd296.80%29,375,499$59.04MInsider
Stanley Blend141.74%14,028,948$28.20MInsider
L. Michael Blend85.36%8,448,338$16.98MInsider
Star Friends Trust Lone76.60%7,581,638$15.24MInsider
William P. Foley Ii66.95%6,625,898$13.32MInsider
Frank R. Martire45.39%4,492,454$9.03MInsider
Bgpt Trebia LP44.97%4,450,879$8.95MInsider
Holdings Trust Cee9.29%919,555$1.85MInsider

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SST vs Specialty Business Service Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
SST0.26%99.74%Net BuyingNet Selling
THH0.11%0.00%
SGRP4.77%95.23%Net BuyingNet Buying
SMX2.20%0.00%
SFHG2.13%0.00%

System1 Stock Ownership FAQ

Who owns System1?

System1 (NYSE: SST) is owned by 8.24% institutional shareholders, 3,116.54% System1 insiders, and 0.00% retail investors. Cannae Holdings Inc is the largest individual System1 shareholder, owning 132.01M shares representing 1,333.82% of the company. Cannae Holdings Inc's System1 shares are currently valued at $265.35M.

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