We are live on ! Find out more
IAS

Integral Ad Science
IAS

Delisted

IAS was delisted on the 22nd of December, 2025.

Back to rankings

2 hedge funds and large institutions have $3.41K invested in Integral Ad Science in 2025 Q4 according to their latest regulatory filings, with 0 funds opening new positions, 1 increasing their positions, 1 reducing their positions, and 168 closing their positions.

New
Increased
Maintained
Reduced
Closed

0% more repeat investments, than reductions

Existing positions increased: 1 | Existing positions reduced: 1

97.69% less ownership

Funds ownership: 97.69% → 0% (-98%)

99% less funds holding

Funds holding: 171 → 2 (-169)

100% less funds holding in top 10

Funds holding in top 10: 6 → 0 (-6)

100% less capital invested

Capital invested by funds: $1.65B → $3.41K (-$1.65B)

100% less first-time investments, than exits

New positions opened: 0 | Existing positions closed: 168

Holders
2
Holders Change
-169
Holders Change %
-98.83%
% of All Funds
0.02%
Holding in Top 10
–
Holding in Top 10 Change
-6
Holding in Top 10 Change %
-100%
% of All Funds
–
New
–
Increased
1
Reduced
1
Closed
168
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
IA
IFP Advisors
Florida
+$102

Top Sellers

Rank Fund Capital Flow
1
VEPM
Vista Equity Partners Management
California
-$661M
2
AVA
Atlas Venture Advisors
Massachusetts
-$231M
3
Vanguard Group
Vanguard Group
Pennsylvania
-$92M
4
SM
Sunriver Management
Connecticut
-$72.4M
5
BlackRock
BlackRock
New York
-$68.7M
Name Holding Trade Value Shares
Change 		Change in
Stake
Jane Street
51
Jane Street
New York
– -$1.63M -160,128 Closed
Invesco
52
Invesco
Georgia
– -$1.62M -159,611 Closed
Swiss National Bank
53
Swiss National Bank
Switzerland
– -$1.61M -158,700 Closed
AQR Capital Management
54
AQR Capital Management
Connecticut
– -$1.54M -151,888 Closed
Victory Capital Management
55
Victory Capital Management
Texas
– -$1.5M -147,573 Closed
First Trust Advisors
56
First Trust Advisors
Illinois
– -$1.49M -146,573 Closed
SPS
57
Susquehanna Portfolio Strategies
Pennsylvania
– -$1.16M -114,124 Closed
RhumbLine Advisers
58
RhumbLine Advisers
Massachusetts
– -$1.09M -107,551 Closed
Janney Montgomery Scott
59
Janney Montgomery Scott
Pennsylvania
– -$1.04M -101,960 Closed
QOP
60
Quinn Opportunity Partners
Virginia
– -$1.02M -100,000 Closed
UBS AM
61
UBS AM
Illinois
– -$983K -96,703 Closed
Ameriprise
62
Ameriprise
Minnesota
– -$907K -89,214 Closed
Legal & General Group
63
Legal & General Group
United Kingdom
– -$896K -88,135 Closed
OAM
64
OP Asset Management
– -$852K -83,815 Closed
CA
65
Clune & Associates
Illinois
– -$799K -78,540 Closed
HSBC Holdings
66
HSBC Holdings
United Kingdom
– -$795K -78,117 Closed
Envestnet Asset Management
67
Envestnet Asset Management
Illinois
– -$770K -75,705 Closed
California State Teachers Retirement System (CalSTRS)
68
California State Teachers Retirement System (CalSTRS)
California
– -$761K -74,877 Closed
Deutsche Bank
69
Deutsche Bank
Germany
– -$737K -72,477 Closed
Canada Pension Plan Investment Board
70
Canada Pension Plan Investment Board
Ontario, Canada
– -$732K -72,000 Closed
MIM
71
Morningstar Investment Management
Illinois
– -$729K -71,712 Closed
Wells Fargo
72
Wells Fargo
California
– -$716K -70,410 Closed
State of Wisconsin Investment Board
73
State of Wisconsin Investment Board
Wisconsin
– -$709K -69,672 Closed
DB
74
Danske Bank
Denmark
– -$679K -66,810 Closed
GC
75
Grizzlyrock Capital
Illinois
– -$623K -61,250 Closed
1 2
3
4 5

IAS Hedge Fund Activity: Q4 2025 in Review

2 of the 8,238 institutional investors tracked by Wall St. Rank reported a position in Integral Ad Science (IAS) for Q4 2025, worth a combined $3.41K — down 100% from $1.65B a quarter earlier.

Sellers outnumbered buyers: 168 funds closed out of IAS and 0 opened new positions — a net loss of 168 holders — while 1 trimmed existing stakes and 1 added.

The largest buyer was IFP Advisors, adding an estimated $102. The largest seller was Vista Equity Partners Management, exiting entirely with an estimated $661M sold.

  • 2 institutional investors held Integral Ad Science (IAS) as of Q4 2025, down from 171 in Q3 2025.
  • Funds reported $3.41K of Integral Ad Science stock for Q4 2025, down 100% quarter-over-quarter.
  • 0 funds opened new Integral Ad Science positions in Q4 2025 and 168 closed out, a net change of -168 holders.
  • The largest Integral Ad Science buyer in Q4 2025 was IFP Advisors, an estimated $102 added.
  • The largest Integral Ad Science seller in Q4 2025 was Vista Equity Partners Management, an estimated $661M sold.

Based on aggregated 13F filings for Q4 2025.