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Integral Ad Science
IAS

Overview Fund Activity

168 hedge funds and large institutions have $1.34B invested in Integral Ad Science in 2025 Q2 according to their latest regulatory filings, with 35 funds opening new positions, 71 increasing their positions, 44 reducing their positions, and 51 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
168
Holders Change
-17
Holders Change %
-9.19%
% of All Funds
2.25%
Holding in Top 10
7
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-22.22%
% of All Funds
0.09%
New
35
Increased
71
Reduced
44
Closed
51
Calls
$103K
Puts
$25K
Net Calls
+$78K
Net Calls Change
-$200K

Top Buyers

1
Ameriprise
Ameriprise
Minnesota
+$9.62M
2
CP
CenterBook Partners
Connecticut
+$8.85M
3
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
+$8.03M
4
BlackRock
BlackRock
New York
+$5.51M
5
SM
Sunriver Management
Connecticut
+$5.45M

Top Sellers

1
TCM
TimesSquare Capital Management
New York
-$13.9M
2
CSS
Cubist Systematic Strategies
Connecticut
-$7.44M
3
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
-$4M
4
Millennium Management
Millennium Management
New York
-$3.28M
5
Jacobs Levy Equity Management
Jacobs Levy Equity Management
New Jersey
-$2.85M
Name Holding Trade Value Shares
Change 		Shares
Change %
Morgan Stanley
26
Morgan Stanley
New York
$4.61M -$251K -30,239 -5%
GC
27
Grizzlyrock Capital
Illinois
$4.35M +$4.35M +523,139 New
CC
28
Clearline Capital
New York
$4.28M +$4.28M +515,284 New
Deutsche Bank
29
Deutsche Bank
Germany
$4.1M -$273K -32,871 -6%
CG
30
Circumference Group
Arkansas
$2.91M +$1.16M +140,000 +67%
Goldman Sachs
31
Goldman Sachs
New York
$2.66M -$571K -68,673 -18%
Barclays
32
Barclays
United Kingdom
$2.65M +$1.53M +184,601 +137%
UBS Group
33
UBS Group
Switzerland
$2.53M +$1.24M +149,209 +96%
RHJA
34
Rice Hall James & Associates
California
$2.44M +$482K +57,944 +25%
Bank of New York Mellon
35
Bank of New York Mellon
New York
$2.43M +$7.96K +958 +0.3%
QOP
36
Quinn Opportunity Partners
Virginia
$2.16M +$789K +95,000 +58%
Renaissance Technologies
37
Renaissance Technologies
New York
$1.93M -$1.73M -207,700 -47%
OL
38
one8zero8 LLC
North Carolina
$1.74M +$186K +22,375 +12%
UBS AM
39
UBS AM
Illinois
$1.63M +$631K +75,879 +63%
Susquehanna International Group
40
Susquehanna International Group
Pennsylvania
$1.55M +$111K +13,408 +8%
Qube Research & Technologies (QRT)
41
Qube Research & Technologies (QRT)
United Kingdom
$1.53M -$1.05M -126,377 -41%
HF
42
HRT Financial
New York
$1.41M +$1.41M +170,208 New
AG
43
Algert Global
California
$1.37M +$1.37M +164,250 New
Swiss National Bank
44
Swiss National Bank
Switzerland
$1.32M – – –
Victory Capital Management
45
Victory Capital Management
Texas
$1.28M +$962K +115,796 +308%
RhumbLine Advisers
46
RhumbLine Advisers
Massachusetts
$1.21M +$362K +43,572 +43%
American Century Companies
47
American Century Companies
Missouri
$1.1M +$367K +44,207 +50%
Invesco
48
Invesco
Georgia
$1.1M +$268K +32,197 +32%
Two Sigma Investments
49
Two Sigma Investments
New York
$993K +$993K +119,500 New
Man Group
50
Man Group
United Kingdom
$974K +$974K +117,229 New
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