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
BNP Paribas Financial Markets
101
BNP Paribas Financial Markets
France
– -$282K -27,716 Closed
COPPSERS
102
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
– -$254K -25,000 Closed
KK
103
KLP Kapitalforvaltning
Norway
– -$250K -24,600 Closed
Mariner
104
Mariner
Kansas
– -$249K -24,502 Closed
ASRS
105
Arizona State Retirement System
Arizona
– -$248K -24,415 Closed
P
106
Pitcairn
Pennsylvania
– -$247K -24,272 Closed
Creative Planning
107
Creative Planning
Kansas
– -$239K -23,507 Closed
PFSRSONJ
108
Police & Firemen's Retirement System of New Jersey
New Jersey
– -$230K -22,650 Closed
SOW
109
State of Wyoming
Wyoming
– -$219K -21,530 Closed
New York State Common Retirement Fund
110
New York State Common Retirement Fund
New York
– -$203K -19,968 Closed
CIP
111
Cornerstone Investment Partners
Georgia
– -$188K -18,477 Closed
GC
112
Guggenheim Capital
Illinois
– -$174K -17,114 Closed
Franklin Resources
113
Franklin Resources
California
– -$172K -16,865 Closed
IB
114
Intrust Bank
Kansas
– -$170K -16,668 Closed
GAM
115
Gotham Asset Management
New York
– -$163K -16,070 Closed
Mercer Global Advisors
116
Mercer Global Advisors
Colorado
– -$157K -15,429 Closed
Citigroup
117
Citigroup
New York
– -$151K -14,876 Closed
SPA
118
Sherbrooke Park Advisers
New York
– -$147K -14,438 Closed
VOYA Investment Management
119
VOYA Investment Management
Georgia
– -$145K -14,277 Closed
State Board of Administration of Florida Retirement System
120
State Board of Administration of Florida Retirement System
Florida
– -$139K -13,670 Closed
TRCT
121
Tower Research Capital (TRC)
New York
– -$135K -13,290 Closed
Zurich Cantonal Bank
122
Zurich Cantonal Bank
Switzerland
– -$134K -13,148 Closed
Cerity Partners
123
Cerity Partners
New York
– -$130K -12,766 Closed
RA
124
Royce & Associates
New York
– -$124K -12,226 Closed
Schroder Investment Management Group
125
Schroder Investment Management Group
United Kingdom
– -$123K -12,127 Closed
3 4
5
6 7

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.