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
IA
1
IFP Advisors
Florida
$3.4K +$102 +10 +3%
HNB
2
Huntington National Bank
Ohio
$10 -$8.81K -861 -100%
VEPM
3
Vista Equity Partners Management
California
– -$661M -65,010,001 Closed
AVA
4
Atlas Venture Advisors
Massachusetts
– -$231M -22,722,770 Closed
Vanguard Group
5
Vanguard Group
Pennsylvania
– -$92M -9,043,380 Closed
SM
6
Sunriver Management
Connecticut
– -$72.4M -7,120,157 Closed
BlackRock
7
BlackRock
New York
– -$68.7M -6,757,261 Closed
Dimensional Fund Advisors
8
Dimensional Fund Advisors
Texas
– -$60.5M -5,949,164 Closed
PCP
9
P2 Capital Partners
New York
– -$49.1M -4,830,805 Closed
KC
10
Kryger Capital
United Kingdom
– -$30.5M -3,000,000 Closed
NAM
11
Nexpoint Asset Management
Texas
– -$27.3M -2,683,061 Closed
GCL
12
Glazer Capital LLC
New York
– -$21.3M -2,096,797 Closed
FTCM
13
First Trust Capital Management
Illinois
– -$21.2M -2,088,796 Closed
SFM
14
Soros Fund Management
New York
– -$20.2M -1,990,000 Closed
Geode Capital Management
15
Geode Capital Management
Massachusetts
– -$20M -1,964,293 Closed
Verition Fund Management
16
Verition Fund Management
Connecticut
– -$19.8M -1,948,970 Closed
State Street
17
State Street
Massachusetts
– -$16.7M -1,643,118 Closed
Bank of America
18
Bank of America
North Carolina
– -$14.2M -1,394,507 Closed
N
19
Nuveen
North Carolina
– -$13.9M -1,369,706 Closed
Balyasny Asset Management
20
Balyasny Asset Management
Illinois
– -$11.9M -1,166,530 Closed
WIC
21
Water Island Capital
New York
– -$10.9M -1,071,160 Closed
PAMP
22
Polar Asset Management Partners
Ontario, Canada
– -$10.2M -1,000,000 Closed
AA
23
AQR Arbitrage
Connecticut
– -$10.1M -991,705 Closed
Northern Trust
24
Northern Trust
Illinois
– -$8.19M -805,536 Closed
DIA
25
Dana Investment Advisors
Wisconsin
– -$8.07M -793,740 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.