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IAS

Integral Ad Science

Delisted

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

80 hedge funds and large institutions have $3.41B invested in Integral Ad Science in 2021 Q4 according to their latest regulatory filings, with 23 funds opening new positions, 34 increasing their positions, 15 reducing their positions, and 12 closing their positions.

New
Increased
Maintained
Reduced
Closed

127% more repeat investments, than reductions

Existing positions increased: 34 | Existing positions reduced: 15

92% more first-time investments, than exits

New positions opened: 23 | Existing positions closed: 12

25% more funds holding in top 10

Funds holding in top 10: 45 (+1)

14% more funds holding

Funds holding: 7080 (+10)

14% more capital invested

Capital invested by funds: $2.99B → $3.41B (+$413M)

5.36% more ownership

Funds ownership: 94.27%99.63% (+5.4%)

Holders
80
Holders Change
+10
Holders Change %
+14.29%
% of All Funds
1.23%
Holding in Top 10
5
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+25%
% of All Funds
0.08%
New
23
Increased
34
Reduced
15
Closed
12
Calls
Puts
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
ZR
51
Zeno Research
New York
$454K +$466K +20,461 New
Wellington Management Group
52
Wellington Management Group
Massachusetts
$447K +$458K +20,132 New
PCM
53
Pentwater Capital Management
Florida
$444K -$1.08M -47,300 -70%
Stifel Financial
54
Stifel Financial
Missouri
$412K -$208K -9,135 -33%
RhumbLine Advisers
55
RhumbLine Advisers
Massachusetts
$345K +$29.6K +1,299 +9%
New York State Common Retirement Fund
56
New York State Common Retirement Fund
New York
$303K +$174K +7,644 +127%
LPL Financial
57
LPL Financial
California
$281K +$288K +12,658 New
AT
58
American Trust
Kentucky
$254K +$260K +11,422 New
Susquehanna International Group
59
Susquehanna International Group
Pennsylvania
$244K +$250K +10,973 New
Wells Fargo
60
Wells Fargo
California
$238K +$226K +9,922 +1,251%
SRAM
61
Spouting Rock Asset Management
Pennsylvania
$235K +$241K +10,583 New
Deutsche Bank
62
Deutsche Bank
Germany
$229K +$12.4K +546 +6%
AIG
63
American International Group
New York
$205K -$1.84K -81 -0.9%
California State Teachers Retirement System (CalSTRS)
64
California State Teachers Retirement System (CalSTRS)
California
$204K
UBS Group
65
UBS Group
Switzerland
$161K +$165K +7,262 New
TRCT
66
Tower Research Capital (TRC)
New York
$159K +$150K +6,570 +1,177%
MIM
67
MetLife Investment Management
New Jersey
$154K
MLICM
68
Metropolitan Life Insurance Company (MetLife)
New York
$116K
Citigroup
69
Citigroup
New York
$99K +$57.4K +2,520 +130%
Royal Bank of Canada
70
Royal Bank of Canada
Ontario, Canada
$87K +$55.1K +2,421 +162%
SO
71
STRS Ohio
Ohio
$86K
Legal & General Group
72
Legal & General Group
United Kingdom
$34K -$1.33M -58,206 -97%
AIP
73
Ameritas Investment Partners
Nebraska
$29K
MAM
74
Meeder Asset Management
Ohio
$25K +$25.9K +1,138 New
LSA
75
Leonteq Securities AG
Switzerland
$23.5K

IAS Hedge Fund Activity: Q4 2021 in Review

80 of the 6,499 institutional investors tracked by Wall St. Rank reported a position in Integral Ad Science (IAS) for Q4 2021, worth a combined $3.41B — up 14% from $2.99B a quarter earlier.

Buyers outnumbered sellers: 23 funds opened new IAS positions and 12 closed out — a net gain of 11 holders — while 34 added to existing stakes and 15 trimmed.

The largest buyer was Lord, Abbett & Co, opening a new position worth an estimated $53.3M. The largest seller was Sapphire Ventures, cutting an estimated $27.5M.

  • 80 institutional investors held Integral Ad Science (IAS) as of Q4 2021, up from 70 in Q3 2021.
  • Funds reported $3.41B of Integral Ad Science stock for Q4 2021, up 14% quarter-over-quarter.
  • 23 funds opened new Integral Ad Science positions in Q4 2021 and 12 closed out, a net change of +11 holders.
  • The largest Integral Ad Science buyer in Q4 2021 was Lord, Abbett & Co, an estimated $53.3M added.
  • The largest Integral Ad Science seller in Q4 2021 was Sapphire Ventures, an estimated $27.5M sold.

Based on aggregated 13F filings for Q4 2021.