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IAS

Integral Ad Science

Delisted

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

165 hedge funds and large institutions have $1.64B invested in Integral Ad Science in 2024 Q4 according to their latest regulatory filings, with 38 funds opening new positions, 53 increasing their positions, 57 reducing their positions, and 42 closing their positions.

New
Increased
Maintained
Reduced
Closed

391% more call options, than puts

Call options by funds: $231K | Put options by funds: $47K

0.27% more ownership

Funds ownership: 96.27%96.53% (+0.27%)

2% less capital invested

Capital invested by funds: $1.68B → $1.64B (-$39.9M)

7% less repeat investments, than reductions

Existing positions increased: 53 | Existing positions reduced: 57

10% less first-time investments, than exits

New positions opened: 38 | Existing positions closed: 42

4% less funds holding

Funds holding: 172165 (-7)

14% less funds holding in top 10

Funds holding in top 10: 76 (-1)

Holders
165
Holders Change
-7
Holders Change %
-4.07%
% of All Funds
2.17%
Holding in Top 10
6
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-14.29%
% of All Funds
0.08%
New
38
Increased
53
Reduced
57
Closed
42
Calls
$231K
Puts
$47K
Net Calls
+$184K
Net Calls Change
-$1.47M
Name Holding Trade Value Shares
Change
Change in
Stake
VEPM
1
Vista Equity Partners Management
California
$679M
AVA
2
Atlas Venture Advisors
Massachusetts
$237M
Vanguard Group
3
Vanguard Group
Pennsylvania
$94.5M +$2.25M +205,562 +2%
SM
4
Sunriver Management
Connecticut
$76.1M -$3.84M -350,432 -5%
BlackRock
5
BlackRock
New York
$63.1M +$374K +34,084 +0.6%
PCP
6
P2 Capital Partners
New York
$50.2M -$27.9M -2,544,317 -35%
Alyeska Investment Group
7
Alyeska Investment Group
Illinois
$41.5M +$43.6M +3,979,205 New
Dimensional Fund Advisors
8
Dimensional Fund Advisors
Texas
$39.6M +$6.36M +580,323 +18%
ClearBridge Investments
9
ClearBridge Investments
New York
$28.5M -$2.05M -187,007 -6%
ACM
10
Ararat Capital Management
Connecticut
$23.8M +$2.95M +269,346 +13%
TCM
11
TimesSquare Capital Management
New York
$20.9M -$8.47M -772,267 -28%
RCMNY
12
Rubric Capital Management (New York)
New York
$20.6M +$21.6M +1,973,870 New
N
13
Nuveen
North Carolina
$20.1M +$169K +15,432 +0.8%
Geode Capital Management
14
Geode Capital Management
Massachusetts
$19.3M +$154K +14,079 +0.8%
Aberdeen Group
15
Aberdeen Group
United Kingdom
$18.5M -$4.13M -376,829 -18%
State Street
16
State Street
Massachusetts
$16.6M +$169K +15,424 +1%
Jacobs Levy Equity Management
17
Jacobs Levy Equity Management
New Jersey
$14.8M -$2.77M -252,981 -15%
Ameriprise
18
Ameriprise
Minnesota
$11.5M -$391K -35,642 -3%
CP
19
CenterBook Partners
Connecticut
$10.6M +$1.3M +118,719 +13%
FCM
20
Frontier Capital Management
Massachusetts
$10.4M -$20K -1,827 -0.2%
ICM
21
Invenomic Capital Management
Massachusetts
$9.34M +$3.4M +309,752 +53%
Citadel Advisors
22
Citadel Advisors
Florida
$7.37M -$3.88M -353,886 -33%
Northern Trust
23
Northern Trust
Illinois
$7.07M +$735K +67,038 +11%
Charles Schwab
24
Charles Schwab
California
$6.3M +$87.1K +7,941 +1%
Morgan Stanley
25
Morgan Stanley
New York
$6.03M -$3.56M -324,687 -36%

IAS Hedge Fund Activity: Q4 2024 in Review

165 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in Integral Ad Science (IAS) for Q4 2024, worth a combined $1.64B — down 2.4% from $1.68B a quarter earlier.

Sellers outnumbered buyers: 42 funds closed out of IAS and 38 opened new positions — a net loss of 4 holders — while 57 trimmed existing stakes and 53 added.

The largest buyer was Alyeska Investment Group, opening a new position worth an estimated $43.6M. The largest seller was P2 Capital Partners, cutting an estimated $27.9M.

  • 165 institutional investors held Integral Ad Science (IAS) as of Q4 2024, down from 172 in Q3 2024.
  • Funds reported $1.64B of Integral Ad Science stock for Q4 2024, down 2.4% quarter-over-quarter.
  • 38 funds opened new Integral Ad Science positions in Q4 2024 and 42 closed out, a net change of -4 holders.
  • The largest Integral Ad Science buyer in Q4 2024 was Alyeska Investment Group, an estimated $43.6M added.
  • The largest Integral Ad Science seller in Q4 2024 was P2 Capital Partners, an estimated $27.9M sold.

Based on aggregated 13F filings for Q4 2024.