We are live on ! Find out more
IAS

Integral Ad Science

Delisted

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

70 hedge funds and large institutions have $2.96B invested in Integral Ad Science in 2021 Q2 according to their latest regulatory filings, with 70 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
70
Holders Change
+70
Holders Change %
% of All Funds
1.22%
Holding in Top 10
4
Holding in Top 10 Change
+4
Holding in Top 10 Change %
% of All Funds
0.07%
New
70
Increased
Reduced
Closed
Calls
Puts
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
VEPM
1
Vista Equity Partners Management
California
$1.94B +$1.94B +94,380,000 New
AVA
2
Atlas Venture Advisors
Massachusetts
$468M +$468M +22,722,770 New
SV
3
Sapphire Ventures
Texas
$208M +$208M +10,086,035 New
TCM
4
TimesSquare Capital Management
New York
$29.8M +$29.8M +1,450,000 New
ICM
5
Indaba Capital Management
California
$28.1M +$28.1M +1,363,016 New
SHCM
6
Shelter Haven Capital Management
New Jersey
$27.1M +$27.1M +1,317,301 New
Fidelity Investments
7
Fidelity Investments
Massachusetts
$22.7M +$22.7M +1,104,100 New
T. Rowe Price Associates
8
T. Rowe Price Associates
Maryland
$20.6M +$20.6M +1,000,000 New
Adage Capital Partners
9
Adage Capital Partners
Massachusetts
$14.4M +$14.4M +700,000 New
DCM
10
Driehaus Capital Management
Illinois
$13.8M +$13.8M +668,260 New
SSA
11
Schonfeld Strategic Advisors
New York
$13.4M +$13.4M +650,000 New
Wellington Management Group
12
Wellington Management Group
Massachusetts
$12.5M +$12.5M +606,305 New
PAMP
13
Polar Asset Management Partners
Ontario, Canada
$12.4M +$12.4M +603,903 New
Citadel Advisors
14
Citadel Advisors
Florida
$10.6M +$10.6M +514,037 New
IAM
15
Ion Asset Management
Israel
$10.3M +$10.3M +500,000 New
Millennium Management
16
Millennium Management
New York
$8.49M +$8.49M +412,457 New
FCM
17
Frontier Capital Management
Massachusetts
$8.23M +$8.23M +400,000 New
IM
18
Islet Management
New York
$8.23M +$8.23M +400,000 New
SPC
19
Stony Point Capital
New York
$8.23M +$8.23M +400,000 New
Alyeska Investment Group
20
Alyeska Investment Group
Illinois
$7.2M +$7.2M +350,000 New
GCM
21
Ghisallo Capital Management
Massachusetts
$5.6M +$5.6M +272,000 New
BlackRock
22
BlackRock
New York
$5.15M +$5.14M +250,000 New
Blackstone Inc
23
Blackstone Inc
New York
$5.14M +$5.14M +250,000 New
DKCM
24
Davidson Kempner Capital Management
New York
$4.87M +$4.85M +235,700 New
TG
25
TCW Group
California
$4.73M +$4.73M +230,000 New

IAS Hedge Fund Activity: Q2 2021 in Review

70 of the 5,746 institutional investors tracked by Wall St. Rank reported a position in Integral Ad Science (IAS) for Q2 2021, worth a combined $2.96B.

Buyers outnumbered sellers: 70 funds opened new IAS positions and 0 closed out — a net gain of 70 holders — while 0 added to existing stakes and 0 trimmed.

The largest buyer was Vista Equity Partners Management, opening a new position worth an estimated $1.94B.

  • 70 institutional investors held Integral Ad Science (IAS) as of Q2 2021, up from 0 in Q1 2021.
  • Funds reported $2.96B of Integral Ad Science stock for Q2 2021.
  • 70 funds opened new Integral Ad Science positions in Q2 2021 and 0 closed out, a net change of +70 holders.
  • The largest Integral Ad Science buyer in Q2 2021 was Vista Equity Partners Management, an estimated $1.94B added.

Based on aggregated 13F filings for Q2 2021.