INTEGRAL AD SCIENCE HOLDING CORP. - Common Stock, $0.001 (IAS)

Historical Holders from Q2 2021 to Q3 2025

Symbol
IAS on Nasdaq
Type / Class
Equity / Common Stock, $0.001
Shares outstanding
168M
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares, excl. options
162M
Holdings value
$1.65B
% of all portfolios
0.006%
Grand Portfolio weight change
+0%
Number of holders
167
Number of buys
99
Number of sells
-90
Average Value change %
0%
Average buys %
+0.002%
Average sells %
-0.003%
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of INTEGRAL AD SCIENCE HOLDING CORP. - Common Stock, $0.001 (IAS)

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
GLAZER CAPITAL, LLC 6.32% $109M 10.6M Glazer Capital, LLC 02 Dec 2025
Sunriver Management LLC 4.3% -20% $72.4M -$17.3M 7.12M -19.3% SUNRIVER MANAGEMENT LLC 30 Sep 2025

Institutional Holders of INTEGRAL AD SCIENCE HOLDING CORP. - Common Stock, $0.001 (IAS)

Period Reported Shares, Excl. Options Value, Excl. Options Change Price Investors
2025 Q3 162M $1.65B +$38.5M $10.17 167
2025 Q2 161M $1.34B +$21.2M $8.31 167
2025 Q1 159M $1.28B +$6.18M $8.06 183
2024 Q4 157M $1.64B +$10.9M $10.44 162
2024 Q3 155M $1.68B -$7.49M $10.81 168
2024 Q2 157M $1.52B +$48.9M $9.72 153
2024 Q1 151M $1.51B -$34M $9.97 164
2023 Q4 152M $2.19B +$24.8M $14.39 173
2023 Q3 151M $1.79B -$13.7M $11.89 163
2023 Q2 151M $2.71B +$18.7M $17.98 167
2023 Q1 150M $2.14B +$29.9M $14.27 114
2022 Q4 148M $1.3B -$3.58M $8.79 105
2022 Q3 149M $1.08B -$28.5M $7.24 96
2022 Q2 150M $1.49B +$6.99M $9.93 87
2022 Q1 149M $2.05B -$74.2M $13.80 87
2021 Q4 153M $3.41B +$45M $22.21 78
2021 Q3 145M $2.99B +$23M $20.63 69
2021 Q2 144M $2.96B +$2.96B $20.58 70