Integral Ad Science Holding Corp. - Common Stock, $0.001 par value per share (IAS)

Historical Holders from Q2 2021 to Q3 2025

Symbol
IAS on Nasdaq
Type / Class
Equity / Common Stock, $0.001 par value per share
Shares outstanding
167,753,671
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares, excl. options
162,237,028
Holdings value
$1,649,950,959
% of all portfolios
0.006%
Number of holders
167
Number of buys
99
Number of sells
-90
Average buys %
+0%
Average sells %
-0%
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Integral Ad Science Holding Corp. - Common Stock, $0.001 par value per share (IAS)

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
GLAZER CAPITAL, LLC 6.32% $108,776,848 10,602,032 Glazer Capital, LLC 02 Dec 2025
Sunriver Management LLC 4.3% -20% $72,411,997 -$17,317,039 7,120,157 -19.3% SUNRIVER MANAGEMENT LLC 30 Sep 2025

Institutional Holders of Integral Ad Science Holding Corp. - Common Stock, $0.001 par value per share (IAS)

Period Reported Shares, Excl. Options Value, Excl. Options Change Price Investors
2025 Q3 162,237,028 $1,649,950,959 +$38,461,272 $10.17 167
2025 Q2 161,302,415 $1,340,413,879 +$21,177,283 $8.31 167
2025 Q1 158,913,957 $1,280,907,870 +$6,183,963 $8.06 183
2024 Q4 157,013,768 $1,639,233,773 +$10,942,383 $10.44 162
2024 Q3 155,253,832 $1,678,301,051 -$7,490,949 $10.81 168
2024 Q2 156,540,646 $1,521,575,056 +$48,941,489 $9.72 153
2024 Q1 151,179,932 $1,507,267,904 -$34,001,193 $9.97 164
2023 Q4 152,051,602 $2,188,098,209 +$24,773,185 $14.39 173
2023 Q3 150,627,018 $1,790,970,912 -$13,700,552 $11.89 163
2023 Q2 150,627,248 $2,708,276,328 +$18,710,371 $17.98 167
2023 Q1 149,864,180 $2,138,488,934 +$29,872,291 $14.27 114
2022 Q4 148,104,635 $1,301,853,690 -$3,576,426 $8.79 105
2022 Q3 148,973,800 $1,079,153,266 -$28,475,728 $7.24 96
2022 Q2 149,824,703 $1,487,805,317 +$6,990,414 $9.93 87
2022 Q1 148,720,656 $2,053,137,371 -$74,182,167 $13.8 87
2021 Q4 153,375,601 $3,406,359,912 +$45,043,910 $22.21 78
2021 Q3 145,093,409 $2,993,365,044 +$23,018,213 $20.63 69
2021 Q2 143,921,089 $2,961,335,000 +$2,961,335,000 $20.58 70