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IAS

Integral Ad Science

Delisted

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

155 hedge funds and large institutions have $1.52B invested in Integral Ad Science in 2024 Q2 according to their latest regulatory filings, with 37 funds opening new positions, 63 increasing their positions, 40 reducing their positions, and 45 closing their positions.

New
Increased
Maintained
Reduced
Closed

468% more call options, than puts

Call options by funds: $6.03M | Put options by funds: $1.06M

58% more repeat investments, than reductions

Existing positions increased: 63 | Existing positions reduced: 40

25% more funds holding in top 10

Funds holding in top 10: 45 (+1)

2.72% more ownership

Funds ownership: 94.8%97.52% (+2.7%)

1% more capital invested

Capital invested by funds: $1.51B → $1.52B (+$13.9M)

7% less funds holding

Funds holding: 166155 (-11)

18% less first-time investments, than exits

New positions opened: 37 | Existing positions closed: 45

Holders
155
Holders Change
-11
Holders Change %
-6.63%
% of All Funds
2.24%
Holding in Top 10
5
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+25%
% of All Funds
0.07%
New
37
Increased
63
Reduced
40
Closed
45
Calls
$6.03M
Puts
$1.06M
Net Calls
+$4.97M
Net Calls Change
+$5.06M
Name Holding Trade Value Shares
Change
Change in
Stake
BFM
51
Boothbay Fund Management
New York
$1.74M +$329K +34,390 +24%
UOC
52
UBS O'Connor
Illinois
$1.39M +$1.36M +142,500 New
Swiss National Bank
53
Swiss National Bank
Switzerland
$1.37M
Russell Investments Group
54
Russell Investments Group
United Kingdom
$1.35M +$110K +11,528 +9%
GC
55
Gratus Capital
Georgia
$1.17M +$95.7K +10,000 +9%
UBS AM
56
UBS AM
Illinois
$1.14M +$425K +44,366 +60%
FG
57
Formula Growth
Quebec, Canada
$1.07M +$383K +40,000 +57%
PAMP
58
Polar Asset Management Partners
Ontario, Canada
$1.06M +$1.05M +109,300 New
BCM
59
Bayesian Capital Management
New York
$1.04M +$1.02M +106,800 New
RhumbLine Advisers
60
RhumbLine Advisers
Massachusetts
$1.04M +$298K +31,145 +41%
Franklin Resources
61
Franklin Resources
California
$951K -$17.8K -1,860 -2%
CC
62
Clearline Capital
New York
$916K +$902K +94,223 New
Ameriprise
63
Ameriprise
Minnesota
$912K -$212K -22,197 -19%
HP
64
Harbourvest Partners
Massachusetts
$892K
LCM
65
Landscape Capital Management
New Jersey
$821K +$808K +84,477 New
Wells Fargo
66
Wells Fargo
California
$781K +$70.7K +7,385 +10%
TC
67
TwinBeech Capital
New York
$762K +$750K +78,349 New
AllianceBernstein
68
AllianceBernstein
Tennessee
$744K +$245K +25,580 +50%
Balyasny Asset Management
69
Balyasny Asset Management
Illinois
$741K +$729K +76,195 New
Susquehanna International Group
70
Susquehanna International Group
Pennsylvania
$737K -$1.69M -176,840 -70%
Canada Pension Plan Investment Board
71
Canada Pension Plan Investment Board
Ontario, Canada
$700K
California State Teachers Retirement System (CalSTRS)
72
California State Teachers Retirement System (CalSTRS)
California
$681K -$7.53K -787 -1%
Legal & General Group
73
Legal & General Group
United Kingdom
$675K +$20.3K +2,122 +3%
Bank of Montreal
74
Bank of Montreal
Ontario, Canada
$638K +$90.7K +9,476 +17%
ICM
75
III Capital Management
Florida
$633K +$55.8K +5,831 +10%

IAS Hedge Fund Activity: Q2 2024 in Review

155 of the 6,927 institutional investors tracked by Wall St. Rank reported a position in Integral Ad Science (IAS) for Q2 2024, worth a combined $1.52B — up 0.92% from $1.51B a quarter earlier.

Sellers outnumbered buyers: 45 funds closed out of IAS and 37 opened new positions — a net loss of 8 holders — while 40 trimmed existing stakes and 63 added.

The largest buyer was P2 Capital Partners, adding an estimated $21M. The largest seller was Aperture Investors, exiting entirely with an estimated $15.9M sold.

  • 155 institutional investors held Integral Ad Science (IAS) as of Q2 2024, down from 166 in Q1 2024.
  • Funds reported $1.52B of Integral Ad Science stock for Q2 2024, up 0.92% quarter-over-quarter.
  • 37 funds opened new Integral Ad Science positions in Q2 2024 and 45 closed out, a net change of -8 holders.
  • The largest Integral Ad Science buyer in Q2 2024 was P2 Capital Partners, an estimated $21M added.
  • The largest Integral Ad Science seller in Q2 2024 was Aperture Investors, an estimated $15.9M sold.

Based on aggregated 13F filings for Q2 2024.