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

163 hedge funds and large institutions have $1.79B invested in Integral Ad Science in 2023 Q3 according to their latest regulatory filings, with 29 funds opening new positions, 73 increasing their positions, 47 reducing their positions, and 34 closing their positions.

New
Increased
Maintained
Reduced
Closed

55% more repeat investments, than reductions

Existing positions increased: 73 | Existing positions reduced: 47

40% more call options, than puts

Call options by funds: $286K | Put options by funds: $204K

0% more funds holding in top 10

Funds holding in top 10: 4 → 4 (0)

1.29% less ownership

Funds ownership: 97.22% → 95.93% (-1.3%)

3% less funds holding

Funds holding: 168 → 163 (-5)

15% less first-time investments, than exits

New positions opened: 29 | Existing positions closed: 34

34% less capital invested

Capital invested by funds: $2.71B → $1.79B (-$917M)

Holders
163
Holders Change
-5
Holders Change %
-2.98%
% of All Funds
2.59%
Holding in Top 10
4
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.06%
New
29
Increased
73
Reduced
47
Closed
34
Calls
$286K
Puts
$204K
Net Calls
+$82K
Net Calls Change
+$71K

Top Buyers

Rank Fund Capital Flow
1
SM
Sunriver Management
Connecticut
+$33.9M
2
Vanguard Group
Vanguard Group
Pennsylvania
+$14.9M
3
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
+$10.5M
4
BlackRock
BlackRock
New York
+$10M
5
TCM
TimesSquare Capital Management
New York
+$9.37M

Top Sellers

Rank Fund Capital Flow
1
SSA
Schonfeld Strategic Advisors
New York
-$20.1M
2
Fidelity Investments
Fidelity Investments
Massachusetts
-$17.5M
3
Ameriprise
Ameriprise
Minnesota
-$10.3M
4
Citadel Advisors
Citadel Advisors
Florida
-$9.65M
5
Morgan Stanley
Morgan Stanley
New York
-$9.54M
Name Holding Trade Value Shares
Change 		Change in
Stake
UBS AM
101
UBS AM
Illinois
$282K +$367K +23,754 New
PCM
102
Prelude Capital Management
New York
$281K +$366K +23,660 New
AQR Capital Management
103
AQR Capital Management
Connecticut
$273K +$185K +11,966 +109%
Deutsche Bank
104
Deutsche Bank
Germany
$272K -$2.53M -163,407 -88%
TC
105
TownSquare Capital
Utah
$269K +$39.8K +2,572 +13%
Los Angeles Capital Management
106
Los Angeles Capital Management
California
$264K -$593K -38,380 -63%
PTC
107
Petrus Trust Company
Texas
$239K +$310K +20,064 New
Janus Henderson Group
108
Janus Henderson Group
United Kingdom
$234K +$1.65K +107 +0.5%
Truist Financial
109
Truist Financial
North Carolina
$216K +$281K +18,196 New
Franklin Resources
110
Franklin Resources
California
$214K +$2.46K +159 +0.9%
Capstone Investment Advisors
111
Capstone Investment Advisors
New York
$196K +$255K +16,525 New
Jane Street
112
Jane Street
New York
$196K -$192K -12,442 -43%
New York State Common Retirement Fund
113
New York State Common Retirement Fund
New York
$192K -$2.14M -138,133 -90%
Fifth Third Bancorp
114
Fifth Third Bancorp
Ohio
$189K +$246K +15,929 New
OCM
115
Osterweis Capital Management
California
$188K – – –
Citigroup
116
Citigroup
New York
$188K -$185K -11,964 -43%
ASRS
117
Arizona State Retirement System
Arizona
$184K +$70.9K +4,589 +42%
Lazard Asset Management
118
Lazard Asset Management
New York
$173K +$23K +1,485 +11%
RG
119
Richelieu Gestion
France
$172K – – –
Zurich Cantonal Bank
120
Zurich Cantonal Bank
Switzerland
$166K +$105K +6,812 +96%
Principal Financial Group
121
Principal Financial Group
Iowa
$164K -$363K -23,465 -63%
State Board of Administration of Florida Retirement System
122
State Board of Administration of Florida Retirement System
Florida
$163K +$45.4K +2,940 +27%
M&T Bank
123
M&T Bank
New York
$162K +$2.95K +191 +1%
AT
124
American Trust
Kentucky
$158K +$20.1K +1,302 +11%
WG
125
Winton Group
United Kingdom
$158K +$205K +13,262 New
3 4
5
6 7

IAS Hedge Fund Activity: Q3 2023 in Review

163 of the 6,303 institutional investors tracked by Wall St. Rank reported a position in Integral Ad Science (IAS) for Q3 2023, worth a combined $1.79B — down 34% from $2.71B a quarter earlier.

Sellers outnumbered buyers: 34 funds closed out of IAS and 29 opened new positions — a net loss of 5 holders — while 47 trimmed existing stakes and 73 added.

The largest buyer was Sunriver Management, adding an estimated $33.9M. The largest seller was Schonfeld Strategic Advisors, cutting an estimated $20.1M.

  • 163 institutional investors held Integral Ad Science (IAS) as of Q3 2023, down from 168 in Q2 2023.
  • Funds reported $1.79B of Integral Ad Science stock for Q3 2023, down 34% quarter-over-quarter.
  • 29 funds opened new Integral Ad Science positions in Q3 2023 and 34 closed out, a net change of -5 holders.
  • The largest Integral Ad Science buyer in Q3 2023 was Sunriver Management, an estimated $33.9M added.
  • The largest Integral Ad Science seller in Q3 2023 was Schonfeld Strategic Advisors, an estimated $20.1M sold.

Based on aggregated 13F filings for Q3 2023.