INTEGRAL AD SCIENCE HLDNG CO

CUSIP: 45828L108 Class: Common Stock

Holders for Q4 2025 Position Changes for Q4 2025

Note: Option positions (PUT/CALL) are excluded.

Increased Positions (1)

IFP Advisors, Inc
Value ($000) $3 (+4.9%) Shares 329 (+3.1%)

Decreased Positions (1)

HUNTINGTON NATIONAL BANK
Value ($000) $0 (-99.9%) Shares 1 (-99.9%)

Exited Positions (167)

Atlas Venture Advisors, Inc.
Value ($000) $231,091 Shares 22,722,770
VISTA EQUITY PARTNERS MANAGEMENT, LLC
Value ($000) $661,152 Shares 65,010,001
Sunriver Management LLC
Value ($000) $72,412 Shares 7,120,157
P2 Capital Partners, LLC
Value ($000) $49,129 Shares 4,830,805
Circumference Group LLC
Value ($000) $4,577 Shares 450,000
Ararat Capital Management LP
Value ($000) $6,798 Shares 668,407
KRYGER CAPITAL Ltd
Value ($000) $30,510 Shares 3,000,000
MONIMUS CAPITAL MANAGEMENT, LP
Value ($000) $4,720 Shares 464,110
NEXPOINT ASSET MANAGEMENT, L.P.
Value ($000) $27,287 Shares 2,683,061
First Trust Capital Management L.P.
Value ($000) $21,243 Shares 2,088,796
WATER ISLAND CAPITAL LLC
Value ($000) $10,894 Shares 1,071,160
GABELLI & Co INVESTMENT ADVISERS, INC.
Value ($000) $3,566 Shares 350,600
GLAZER CAPITAL, LLC
Value ($000) $21 Shares 2,096,797
GRIZZLYROCK CAPITAL, LLC
Value ($000) $623 Shares 61,250
ALPINE ASSOCIATES MANAGEMENT INC.
Value ($000) $6,520 Shares 641,140
FIFTH LANE CAPITAL, LP
Value ($000) $509 Shares 50,000
SOROS FUND MANAGEMENT LLC
Value ($000) $20,238 Shares 1,990,000
CenterBook Partners LP
Value ($000) $5,452 Shares 536,066
AQR Arbitrage LLC
Value ($000) $10,086 Shares 991,705
Dana Investment Advisors, Inc.
Value ($000) $8,072 Shares 793,740