Integral Ad Science
IAS was delisted on the 22nd of December, 2025.
2 hedge funds and large institutions have $3.41K invested in Integral Ad Science in 2025 Q4 according to their latest regulatory filings, with 0 funds opening new positions, 1 increasing their positions, 1 reducing their positions, and 168 closing their positions.
0% more repeat investments, than reductions
Existing positions increased: 1 | Existing positions reduced: 1
97.69% less ownership
Funds ownership: 97.69% → 0% (-98%)
99% less funds holding
Funds holding: 171 → 2 (-169)
100% less funds holding in top 10
Funds holding in top 10: 6 → 0 (-6)
100% less capital invested
Capital invested by funds: $1.65B → $3.41K (-$1.65B)
100% less first-time investments, than exits
New positions opened: 0 | Existing positions closed: 168
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
IA
IFP Advisors
Tampa,
Florida
|
+$102 |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
VEPM
Vista Equity Partners Management
San Francisco,
California
|
-$661M |
| 2 |
AVA
Atlas Venture Advisors
Boston,
Massachusetts
|
-$231M |
| 3 |
Vanguard Group
Malvern,
Pennsylvania
|
-$92M |
| 4 |
SM
Sunriver Management
Greenwich,
Connecticut
|
-$72.4M |
| 5 |
BlackRock
New York
|
-$68.7M |
IAS Hedge Fund Activity: Q4 2025 in Review
2 of the 8,281 institutional investors tracked by Wall St. Rank reported a position in Integral Ad Science (IAS) for Q4 2025, worth a combined $3.41K — down 100% from $1.65B a quarter earlier.
Sellers outnumbered buyers: 168 funds closed out of IAS and 0 opened new positions — a net loss of 168 holders — while 1 trimmed existing stakes and 1 added.
The largest buyer was IFP Advisors, adding an estimated $102. The largest seller was Vista Equity Partners Management, exiting entirely with an estimated $661M sold.
- 2 institutional investors held Integral Ad Science (IAS) as of Q4 2025, down from 171 in Q3 2025.
- Funds reported $3.41K of Integral Ad Science stock for Q4 2025, down 100% quarter-over-quarter.
- 0 funds opened new Integral Ad Science positions in Q4 2025 and 168 closed out, a net change of -168 holders.
- The largest Integral Ad Science buyer in Q4 2025 was IFP Advisors, an estimated $102 added.
- The largest Integral Ad Science seller in Q4 2025 was Vista Equity Partners Management, an estimated $661M sold.
Based on aggregated 13F filings for Q4 2025.