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IAS

Integral Ad Science

Delisted

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

166 hedge funds and large institutions have $1.51B invested in Integral Ad Science in 2024 Q1 according to their latest regulatory filings, with 35 funds opening new positions, 66 increasing their positions, 48 reducing their positions, and 40 closing their positions.

New
Increased
Maintained
Reduced
Closed

38% more repeat investments, than reductions

Existing positions increased: 66 | Existing positions reduced: 48

2.26% less ownership

Funds ownership: 97.06%94.8% (-2.3%)

4% less funds holding

Funds holding: 173166 (-7)

13% less first-time investments, than exits

New positions opened: 35 | Existing positions closed: 40

14% less call options, than puts

Call options by funds: $572K | Put options by funds: $662K

20% less funds holding in top 10

Funds holding in top 10: 54 (-1)

32% less capital invested

Capital invested by funds: $2.21B → $1.51B (-$703M)

Holders
166
Holders Change
-7
Holders Change %
-4.05%
% of All Funds
2.39%
Holding in Top 10
4
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-20%
% of All Funds
0.06%
New
35
Increased
66
Reduced
48
Closed
40
Calls
$572K
Puts
$662K
Net Calls
-$90K
Net Calls Change
-$18K
Name Holding Trade Value Shares
Change
Change in
Stake
A
126
AlphaQuest
New York
$108K +$142K +10,620 +4,762%
Simplex Trading
127
Simplex Trading
Illinois
$105K -$6.35K -476 -4%
HFS
128
Hantz Financial Services
Michigan
$69K +$92.8K +6,950 New
AIP
129
Ameritas Investment Partners
Nebraska
$67K +$25.7K +1,924 +40%
C
130
Covestor
United Kingdom
$64K -$5.73K -429 -6%
US Bancorp
131
US Bancorp
Minnesota
$60.7K +$74.5K +5,582 +1,101%
DekaBank Deutsche Girozentrale
132
DekaBank Deutsche Girozentrale
Germany
$51K
Fidelity Investments
133
Fidelity Investments
Massachusetts
$39.5K -$18.9K -1,416 -26%
MLICM
134
Metropolitan Life Insurance Company (MetLife)
New York
$36.3K +$10.5K +789 +28%
EC
135
EntryPoint Capital
New York
$34K -$58.7K -4,395 -56%
SOW
136
State of Wyoming
Wyoming
$27.2K +$36.4K +2,727 New
CFGS
137
Concourse Financial Group Securities
Alabama
$24.1K +$32.3K +2,418 New
AB
138
Amalgamated Bank
New York
$23K -$61.6K -4,612 -67%
LC
139
Lindbrook Capital
California
$20.2K +$67 +5 +0.2%
HT
140
Headlands Technologies
Illinois
$18.9K +$25.3K +1,897 New
Osaic Holdings
141
Osaic Holdings
Arizona
$16.2K -$3.44K -258 -14%
Royal Bank of Canada
142
Royal Bank of Canada
Ontario, Canada
$15K -$195K -14,633 -91%
S
143
SignatureFD
Georgia
$11.8K -$440 -33 -3%
PNC Financial Services Group
144
PNC Financial Services Group
Pennsylvania
$11.3K +$3.55K +266 +31%
QCG
145
Quadrant Capital Group
Ohio
$10.7K -$5.83K -437 -29%
PA
146
Parallel Advisors
California
$7.65K -$147 -11 -1%
TRCT
147
Tower Research Capital (TRC)
New York
$6.19K -$128K -9,595 -94%
Comerica Bank
148
Comerica Bank
Texas
$6.04K +$1.14K +85 +16%
PTC
149
Private Trust Company
Ohio
$4.95K
Fifth Third Bancorp
150
Fifth Third Bancorp
Ohio
$3.39K -$282K -21,104 -98%

IAS Hedge Fund Activity: Q1 2024 in Review

166 of the 6,945 institutional investors tracked by Wall St. Rank reported a position in Integral Ad Science (IAS) for Q1 2024, worth a combined $1.51B — down 32% from $2.21B a quarter earlier.

Sellers outnumbered buyers: 40 funds closed out of IAS and 35 opened new positions — a net loss of 5 holders — while 48 trimmed existing stakes and 66 added.

The largest buyer was Sunriver Management, adding an estimated $60M. The largest seller was Millennium Management, cutting an estimated $52.7M.

  • 166 institutional investors held Integral Ad Science (IAS) as of Q1 2024, down from 173 in Q4 2023.
  • Funds reported $1.51B of Integral Ad Science stock for Q1 2024, down 32% quarter-over-quarter.
  • 35 funds opened new Integral Ad Science positions in Q1 2024 and 40 closed out, a net change of -5 holders.
  • The largest Integral Ad Science buyer in Q1 2024 was Sunriver Management, an estimated $60M added.
  • The largest Integral Ad Science seller in Q1 2024 was Millennium Management, an estimated $52.7M sold.

Based on aggregated 13F filings for Q1 2024.