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IAS

Integral Ad Science

Delisted

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

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: 44 (0)

1.29% less ownership

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

3% less funds holding

Funds holding: 168163 (-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
Name Holding Trade Value Shares
Change
Change in
Stake
CP
26
CenterBook Partners
Connecticut
$5.41M +$4.47M +289,341 +175%
PI
27
Putnam Investments
Massachusetts
$5.17M +$6.44M +416,358 +2,288%
PCM
28
Portolan Capital Management
Massachusetts
$5.16M +$4.56M +295,068 +213%
Charles Schwab
29
Charles Schwab
California
$4.74M +$1.01M +65,160 +20%
Goldman Sachs
30
Goldman Sachs
New York
$4.62M +$2.63M +170,381 +78%
Man Group
31
Man Group
United Kingdom
$4.29M -$1.69M -109,573 Closed
AllianceBernstein
32
AllianceBernstein
Tennessee
$4.22M -$9.1M -588,373 -62%
D.E. Shaw & Co
33
D.E. Shaw & Co
New York
$4.01M -$1.09M -70,434 -17%
Bank of America
34
Bank of America
North Carolina
$3.89M +$1.19M +77,284 +31%
JP Morgan Chase
35
JP Morgan Chase
New York
$3.78M +$333K +21,563 +7%
Millennium Management
36
Millennium Management
New York
$3.56M +$1.62M +104,782 +54%
Marshall Wace
37
Marshall Wace
United Kingdom
$3.31M -$3.84M -248,289 -47%
Russell Investments Group
38
Russell Investments Group
United Kingdom
$2.92M +$2.3M +148,469 +154%
GIP
39
Granite Investment Partners
California
$2.87M +$3.73M +241,592 New
Susquehanna International Group
40
Susquehanna International Group
Pennsylvania
$2.77M -$4.79M -309,734 -57%
IGAM
41
iA Global Asset Management
Quebec, Canada
$2.76M +$796K +51,480 +28%
Norges Bank
42
Norges Bank
Norway
$2.75M -$4.55M -294,348 -56%
Thrivent Financial for Lutherans
43
Thrivent Financial for Lutherans
Minnesota
$2.45M +$3.19M +206,046 New
CSS
44
Cubist Systematic Strategies
Connecticut
$2.38M +$1.31M +84,915 +74%
AACP
45
Advantage Alpha Capital Partners
California
$2.26M +$2.94M +190,084 New
Prudential Financial
46
Prudential Financial
New Jersey
$2.22M -$9.11M -589,010 -76%
ITFISA
47
Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna
$2.14M +$315K +20,360 +13%
Bank of New York Mellon
48
Bank of New York Mellon
New York
$2.04M +$593K +38,348 +29%
Walleye Capital
49
Walleye Capital
New York
$1.86M -$4.75M -307,378 -66%
GCM
50
Graham Capital Management
Connecticut
$1.83M +$2.38M +153,915 New

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.