Integral Ad Science
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.
38% more repeat investments, than reductions
Existing positions increased: 66 | Existing positions reduced: 48
1.26% less ownership
Funds ownership: 96.06% → 94.8% (-1.3%)
4% less funds holding
Funds holding: 173 → 166 (-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: 5 → 4 (-1)
31% less capital invested
Capital invested by funds: $2.19B → $1.51B (-$680M)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SM
Sunriver Management
Greenwich,
Connecticut
|
+$60M |
| 2 |
PCP
P2 Capital Partners
New York
|
+$25.4M |
| 3 |
CP
CenterBook Partners
Greenwich,
Connecticut
|
+$21.5M |
| 4 |
BlackRock
New York
|
+$13.2M |
| 5 |
Dimensional Fund Advisors
Austin,
Texas
|
+$11.4M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Millennium Management
New York
|
-$52.7M |
| 2 |
Lord, Abbett & Co
Jersey City,
New Jersey
|
-$39.2M |
| 3 |
Goldman Sachs
New York
|
-$32.5M |
| 4 |
VEPM
Vista Equity Partners Management
San Francisco,
California
|
-$22M |
| 5 |
ECM
Engle Capital Management
Greenwich,
Connecticut
|
-$13.6M |
IAS Hedge Fund Activity: Q1 2024 in Review
166 of the 6,961 institutional investors tracked by Wall St. Rank reported a position in Integral Ad Science (IAS) for Q1 2024, worth a combined $1.51B — down 31% from $2.19B 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 31% 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.