Institutional Ownership Integral Ad Science Holding Corp. (IAS)
This table provides information about the institutional ownership of Integral Ad Science Holding Corp. (IAS). We have compiled data on the 181 institutions that hold shares in the stock, with a total of 164 Million shares, which have been reported (via 13F filing form) to have a value of $1.69 Billion.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Vista Equity Partners Management, LLC
San Francisco, CA |
Nov 14, 2025 Q3 2025 |
65,010,001
shares
|
$668 Million
57.67% of portfolio
|
Q1 2024
Reduced 2.48%
|
|
|
Atlas Venture Advisors, Inc.
Boston, MA |
Oct 30, 2025 Q3 2025 |
22,722,770
shares
|
$233 Million
52.79% of portfolio
|
Q2 2023
Reduced -0.0%
|
|
|
Vanguard Group Inc
Valley Forge, PA |
Nov 07, 2025 Q3 2025 |
9,043,380
shares
|
$92.9 Million
0.0% of portfolio
|
Q3 2025
Reduced 2.3%
|
|
|
Sunriver Management LLC
Greenwich, CT |
Nov 13, 2025 Q3 2025 |
7,120,157
shares
|
$73.1 Million
7.89% of portfolio
|
Q3 2025
Reduced 19.3%
|
|
|
Dimensional Fund Advisors LP
Austin, TX |
Nov 12, 2025 Q3 2025 |
5,949,164
shares
|
$61.1 Million
0.01% of portfolio
|
Q3 2025
Added 10.04%
|
|
|
Black Rock Inc.
New York, NY |
Aug 13, 2024 Q2 2024 |
5,907,182
shares
|
$60.7 Million
0.0% of portfolio
|
Q2 2024
Added 8.72%
|
|
|
P2 Capital Partners, LLC
New York, NY |
Nov 14, 2025 Q3 2025 |
4,830,805
shares
|
$49.6 Million
9.56% of portfolio
|
Q3 2025
Reduced 1.61%
|
|
|
Omni Event Management LTD
London, X0 |
Nov 14, 2025 Q3 2025 |
3,000,000
shares
|
$30.8 Million
3.75% of portfolio
|
Q3 2025
New holding
|
|
|
Highland Capital Management Fund Advisors, L.P.
Dallas, TX |
Nov 14, 2025 Q3 2025 |
2,683,061
shares
|
$27.6 Million
2.68% of portfolio
|
Q3 2025
New holding
|
|
|
Glazer Capital, LLC
New York, NY |
Nov 13, 2025 Q3 2025 |
2,096,797
shares
|
$21.5 Million
0.72% of portfolio
|
Q3 2025
New holding
|
|
|
First Trust Capital Management L.P.
Chicago, IL |
Nov 17, 2025 Q3 2025 |
2,088,796
shares
|
$21.5 Million
3.51% of portfolio
|
Q3 2025
New holding
|
|
|
George Soros
Soros Fund Management LLC | New York, Ny
|
Nov 14, 2025 Q3 2025 |
1,990,000
shares
|
$20.4 Million
0.53% of portfolio
|
Q3 2025
New holding
|
|
|
Geode Capital Management, LLC
Boston, MA |
Nov 12, 2025 Q3 2025 |
1,964,293
shares
|
$20.2 Million
0.0% of portfolio
|
Q3 2025
Added 2.55%
|
|
|
Verition Fund Management LLC
Greenwich, CT |
Nov 14, 2025 Q3 2025 |
1,948,970
shares
|
$20 Million
0.09% of portfolio
|
Q3 2025
Added 1663.22%
|
|
|
Nuveen Asset Management, LLC
Chicago, IL |
Feb 14, 2025 Q4 2024 |
1,920,523
shares
|
$19.7 Million
0.01% of portfolio
|
Q4 2024
Added 0.81%
|
|
|
State Street Corp
Boston, MA |
Nov 14, 2025 Q3 2025 |
1,643,118
shares
|
$16.9 Million
0.0% of portfolio
|
Q3 2025
Added 2.11%
|
|
|
Bank Of America Corp
Charlotte, NC |
Nov 14, 2025 Q3 2025 |
1,394,507
shares
|
$14.3 Million
0.0% of portfolio
|
Q3 2025
Added 118.2%
|
|
|
Nuveen, LLC
Charlotte, NC |
Nov 12, 2025 Q3 2025 |
1,369,706
shares
|
$14.1 Million
0.0% of portfolio
|
Q3 2025
Reduced 26.19%
|
|
|
Balyasny Asset Management LLC
Chicago, IL |
Nov 14, 2025 Q3 2025 |
1,166,530
shares
|
$12 Million
0.02% of portfolio
|
Q3 2025
New holding
|
|
|
Water Island Capital LLC
New York, NY |
Nov 14, 2025 Q3 2025 |
1,071,160
shares
|
$11 Million
1.86% of portfolio
|
Q3 2025
New holding
|
|
|
Polar Asset Management Partners Inc.
Toronto, A6 |
Dec 01, 2025 Q3 2025 |
1,000,000
shares
|
$10.3 Million
0.16% of portfolio
|
Q3 2025
New holding
|
|
|
Aqr Arbitrage LLC
Greenwich, CT |
Nov 14, 2025 Q3 2025 |
991,705
shares
|
$10.2 Million
0.73% of portfolio
|
Q3 2025
New holding
|
|
|
Northern Trust Corp
Chicago, IL |
Nov 14, 2025 Q3 2025 |
805,536
shares
|
$8.27 Million
0.0% of portfolio
|
Q3 2025
Reduced 0.72%
|
|
|
Dana Investment Advisors, Inc.
Brookfield, WI |
Nov 10, 2025 Q3 2025 |
793,740
shares
|
$8.15 Million
0.25% of portfolio
|
Q3 2025
Added 611.38%
|
|
|
Goldman Sachs Group Inc
New York, NY |
Nov 14, 2025 Q3 2025 |
767,555
shares
|
$7.88 Million
0.0% of portfolio
|
Q3 2025
Added 139.55%
|
|