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IAS

Integral Ad Science
IAS

Delisted

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

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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
–

Top Buyers

Rank Fund Capital Flow
1
VEPM
Vista Equity Partners Management
California
+$1.94B
2
AVA
Atlas Venture Advisors
Massachusetts
+$468M
3
SV
Sapphire Ventures
Texas
+$208M
4
TCM
TimesSquare Capital Management
New York
+$29.8M
5
ICM
Indaba Capital Management
California
+$28.1M

Top Sellers

No sellers this quarter
Name Holding Trade Value Shares
Change 		Change in
Stake
ZP
51
Zimmer Partners
New York
$823K +$823K +40,000 New
Jane Street
52
Jane Street
New York
$798K +$798K +38,772 New
WP
53
Woodline Partners
California
$720K +$720K +35,003 New
Morgan Stanley
54
Morgan Stanley
New York
$690K +$691K +33,553 New
LCM
55
Landscape Capital Management
New Jersey
$624K +$624K +30,319 New
Northern Trust
56
Northern Trust
Illinois
$580K +$580K +28,194 New
Legal & General Group
57
Legal & General Group
United Kingdom
$421K +$412K +20,000 New
AFG
58
American Financial Group
Ohio
$412K +$412K +20,000 New
SI
59
Symmetry Investments
Jersey
$412K +$412K +20,000 New
WCA
60
Waratah Capital Advisors
Ontario, Canada
$312K +$312K +15,145 New
BCM
61
BlueCrest Capital Management
Jersey
$309K +$309K +15,000 New
BFM
62
Boothbay Fund Management
New York
$309K +$309K +15,000 New
Hudson Bay Capital Management
63
Hudson Bay Capital Management
Connecticut
$309K +$309K +15,000 New
Qube Research & Technologies (QRT)
64
Qube Research & Technologies (QRT)
United Kingdom
$300K +$300K +14,600 New
MS
65
Maven Securities
Jersey
$286K +$286K +13,889 New
CC
66
Centiva Capital
New York
$217K +$217K +10,555 New
WHP
67
Washington Harbour Partners
Virginia
$206K +$206K +10,000 New
OCM
68
Ovata Capital Management
Hong Kong
$21K +$20.6K +1,000 New
Osaic Holdings
69
Osaic Holdings
Arizona
$10K +$10.3K +500 New
Walleye Capital
70
Walleye Capital
New York
$2.67K +$2.68M +130,000 New
1 2
3

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.