Integral Ad Science
IAS was delisted on the 22nd of December, 2025.
170 hedge funds and large institutions have $1.34B invested in Integral Ad Science in 2025 Q2 according to their latest regulatory filings, with 36 funds opening new positions, 72 increasing their positions, 44 reducing their positions, and 52 closing their positions.
312% more call options, than puts
Call options by funds: $103K | Put options by funds: $25K
64% more repeat investments, than reductions
Existing positions increased: 72 | Existing positions reduced: 44
5% more capital invested
Capital invested by funds: $1.28B → $1.34B (+$59.6M)
0.74% more ownership
Funds ownership: 97.08% → 97.81% (+0.74%)
9% less funds holding
Funds holding: 187 → 170 (-17)
22% less funds holding in top 10
Funds holding in top 10: 9 → 7 (-2)
31% less first-time investments, than exits
New positions opened: 36 | Existing positions closed: 52
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Ameriprise
Minneapolis,
Minnesota
|
+$8.83M |
| 2 |
CP
CenterBook Partners
Greenwich,
Connecticut
|
+$8.12M |
| 3 |
Dimensional Fund Advisors
Austin,
Texas
|
+$7.37M |
| 4 |
BlackRock
New York
|
+$5.06M |
| 5 |
SM
Sunriver Management
Greenwich,
Connecticut
|
+$5.01M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
TCM
TimesSquare Capital Management
New York
|
-$13.9M |
| 2 |
CSS
Cubist Systematic Strategies
Stamford,
Connecticut
|
-$7.44M |
| 3 |
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Toronto,
Ontario, Canada
|
-$4M |
| 4 |
Millennium Management
New York
|
-$3.28M |
| 5 |
Jacobs Levy Equity Management
Florham Park,
New Jersey
|
-$2.61M |
IAS Hedge Fund Activity: Q2 2025 in Review
170 of the 7,616 institutional investors tracked by Wall St. Rank reported a position in Integral Ad Science (IAS) for Q2 2025, worth a combined $1.34B — up 4.6% from $1.28B a quarter earlier.
Sellers outnumbered buyers: 52 funds closed out of IAS and 36 opened new positions — a net loss of 16 holders — while 44 trimmed existing stakes and 72 added.
The largest buyer was Ameriprise, adding an estimated $8.83M. The largest seller was TimesSquare Capital Management, exiting entirely with an estimated $13.9M sold.
- 170 institutional investors held Integral Ad Science (IAS) as of Q2 2025, down from 187 in Q1 2025.
- Funds reported $1.34B of Integral Ad Science stock for Q2 2025, up 4.6% quarter-over-quarter.
- 36 funds opened new Integral Ad Science positions in Q2 2025 and 52 closed out, a net change of -16 holders.
- The largest Integral Ad Science buyer in Q2 2025 was Ameriprise, an estimated $8.83M added.
- The largest Integral Ad Science seller in Q2 2025 was TimesSquare Capital Management, an estimated $13.9M sold.
Based on aggregated 13F filings for Q2 2025.