Stock

System1 Inc

Ticker not mapped · held by 25 managers

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025

Reported value

$2.5M

Holders

+3 new · −4 exited

Holders’ est. mark

−$663.8K

Price effect on 19 books still in the name

Largest holder

$1.08M

Cannae Holdings, Inc.

Notable conviction

Share of each notable manager’s 13F book.

Renaissance Technologies0.0% · $55.3K
State Street0.0% · $34.7K

Holder count by quarter

Q2 2025 Q3 2025 Q4 2025 Q1 2026

Who holds it

Notable only

Investor	Shares	Value	Est. mark	Change
Cannae Holdings, Inc.	356.8K	$1.08M	−$321.1K	Cut−$321.1K
BANK OF AMERICA CORP /DE/	161.5K	$487.8K	−$145.4K	Cut−$145.5K
Cerity Partners LLC	116.8K	$352.9K	−$105.2K	Cut−$105.2K
VANGUARD CAPITAL MANAGEMENT LLC	37.1K	$112.1K	—	Held
MILLENNIUM MANAGEMENT LLC	32.6K	$98.5K	−$29.4K	Cut−$40.5K
BlackRock, Inc.	24.2K	$73.2K	−$21.8K	Cut−$21.8K
GEODE CAPITAL MANAGEMENT, LLC	23.8K	$72K	−$12.9K	Added$15.7K
NINE MASTS CAPITAL Ltd	18.5K	$56K	—	New
Renaissance Technologies	18.3K	$55.3K	−$16.5K	Cut−$17.7K
State Street	11.5K	$34.7K	−$10.4K	Cut−$10.4K
VANGUARD FIDUCIARY TRUST CO	9.14K	$27.6K	—	Held
Tower Research Capital LLC (TRC)	7.33K	$22.1K	−$889	Added$18.3K
JPMORGAN CHASE & CO	5.89K	$18.5K	−$33	Added$18.3K
UBS Group AG	1.32K	$4K	−$375	Added$2.36K
Vanguard Global Advisers, LLC	660	$1.99K	—	Held
Physician Wealth Advisors, Inc.	301	$910	—	New
Farther Finance Advisors, LLC	150	$783	$195	Added$195
GROUP ONE TRADING LLC	223	$673	−$201	Cut−$1.93K
CWM, LLC	114	$344	$344	Added$344
SHP Wealth Management	100	$302	—	New
Strategic Wealth Partners, Ltd.	100	$302	−$90	Cut−$90
BNP PARIBAS FINANCIAL MARKETS	86	$260	−$77	Cut−$77
SBI Securities Co., Ltd.	60	$181	−$54	Cut−$54
OSAIC HOLDINGS, INC.	35	$105	−$32	Cut−$32
ROYAL BANK OF CANADA	39	$0	$0	Held

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.