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IAS

Integral Ad Science

Delisted

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

116 hedge funds and large institutions have $2.14B invested in Integral Ad Science in 2023 Q1 according to their latest regulatory filings, with 23 funds opening new positions, 33 increasing their positions, 43 reducing their positions, and 13 closing their positions.

New
Increased
Maintained
Reduced
Closed

458% more call options, than puts

Call options by funds: $67K | Put options by funds: $12K

77% more first-time investments, than exits

New positions opened: 23 | Existing positions closed: 13

65% more capital invested

Capital invested by funds: $1.3B → $2.14B (+$840M)

50% more funds holding in top 10

Funds holding in top 10: 23 (+1)

8% more funds holding

Funds holding: 107116 (+9)

0.79% more ownership

Funds ownership: 96.26%97.05% (+0.79%)

23% less repeat investments, than reductions

Existing positions increased: 33 | Existing positions reduced: 43

Holders
116
Holders Change
+9
Holders Change %
+8.41%
% of All Funds
1.85%
Holding in Top 10
3
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+50%
% of All Funds
0.05%
New
23
Increased
33
Reduced
43
Closed
13
Calls
$67K
Puts
$12K
Net Calls
+$55K
Net Calls Change
+$37K
Name Holding Trade Value Shares
Change
Change in
Stake
VEPM
1
Vista Equity Partners Management
California
$1.35B
AVA
2
Atlas Venture Advisors
Massachusetts
$324M
Vanguard Group
3
Vanguard Group
Pennsylvania
$77.4M +$7.4M +659,092 +14%
BlackRock
4
BlackRock
New York
$35.3M -$118K -10,539 -0.4%
TCM
5
TimesSquare Capital Management
New York
$31.3M -$6.3M -560,740 -20%
SSA
6
Schonfeld Strategic Advisors
New York
$25.8M -$13.5M -1,201,900 -40%
Lord, Abbett & Co
7
Lord, Abbett & Co
New Jersey
$22.3M +$13.2M +1,173,707 +302%
Fidelity Investments
8
Fidelity Investments
Massachusetts
$20.5M +$4.68M +416,319 +41%
ECM
9
Engle Capital Management
Connecticut
$19.5M +$4.16M +370,000 +37%
ClearBridge Investments
10
ClearBridge Investments
New York
$18.5M -$3.38M -300,790 -19%
SM
11
Sunriver Management
Connecticut
$14.2M +$11.2M +994,160 New
Wellington Management Group
12
Wellington Management Group
Massachusetts
$13.9M +$5.82M +518,407 +114%
Geode Capital Management
13
Geode Capital Management
Massachusetts
$12M +$148K +13,202 +2%
Ameriprise
14
Ameriprise
Minnesota
$11.3M -$3.16M -281,779 -26%
Dimensional Fund Advisors
15
Dimensional Fund Advisors
Texas
$11.3M +$4.6M +409,401 +107%
Morgan Stanley
16
Morgan Stanley
New York
$10.5M +$443K +39,443 +6%
FCM
17
Frontier Capital Management
Massachusetts
$10.4M -$738K -65,707 -8%
State Street
18
State Street
Massachusetts
$9.39M +$322K +28,629 +5%
ICM
19
Indaba Capital Management
California
$7.68M -$20.8M -1,847,840 -77%
Invesco
20
Invesco
Georgia
$7.18M +$4.68M +416,662 +483%
Millennium Management
21
Millennium Management
New York
$6.63M +$2.08M +185,419 +66%
N
22
Nuveen
North Carolina
$6.2M -$217K -19,336 -4%
ER
23
EVR Research
Virginia
$5.28M +$4.16M +370,000 New
Marshall Wace
24
Marshall Wace
United Kingdom
$4.86M -$775K -68,975 -17%
Northern Trust
25
Northern Trust
Illinois
$4.51M -$78.7K -7,007 -2%

IAS Hedge Fund Activity: Q1 2023 in Review

116 of the 6,277 institutional investors tracked by Wall St. Rank reported a position in Integral Ad Science (IAS) for Q1 2023, worth a combined $2.14B — up 65% from $1.3B a quarter earlier.

Buyers outnumbered sellers: 23 funds opened new IAS positions and 13 closed out — a net gain of 10 holders — while 33 added to existing stakes and 43 trimmed.

The largest buyer was Lord, Abbett & Co, adding an estimated $13.2M. The largest seller was Indaba Capital Management, cutting an estimated $20.8M.

  • 116 institutional investors held Integral Ad Science (IAS) as of Q1 2023, up from 107 in Q4 2022.
  • Funds reported $2.14B of Integral Ad Science stock for Q1 2023, up 65% quarter-over-quarter.
  • 23 funds opened new Integral Ad Science positions in Q1 2023 and 13 closed out, a net change of +10 holders.
  • The largest Integral Ad Science buyer in Q1 2023 was Lord, Abbett & Co, an estimated $13.2M added.
  • The largest Integral Ad Science seller in Q1 2023 was Indaba Capital Management, an estimated $20.8M sold.

Based on aggregated 13F filings for Q1 2023.