WIC
IAS

Water Island Capital’s Integral Ad Science IAS Stock Holding History

Water Island Capital’s Portfolio IAS Stock Details IAS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-1,071,160
Closed -$10.9M – 105
2025
Q3 		$10.9M Buy
+1,071,160
New +$9.28M 1.37% 28

Other funds holding IAS

IA
IFP Advisors Tampa, Florida $5.54B AUM 27.43% 1-Year Est. Return
HNB
Huntington National Bank Columbus, Ohio $18.1B AUM 24.69% 1-Year Est. Return

Water Island Capital's IAS Position: Q4 2025 in Review

Water Island Capital sold out of Integral Ad Science (IAS) in Q4 2025, closing a stake of 1,071,160 shares — an estimated $10.9M sold.

Water Island Capital first reported a position in IAS in Q3 2025 and held it in 1 quarter. The position peaked at $10.9M in Q3 2025. 2 funds tracked by Wall St. Rank hold IAS as of Q4 2025.

  • Water Island Capital reported no remaining Integral Ad Science position as of Q4 2025 after selling out during the quarter.
  • Water Island Capital sold 1,071,160 Integral Ad Science shares in Q4 2025, an estimated $10.9M.
  • Water Island Capital first reported a position in Integral Ad Science in Q3 2025 and held it in 1 quarter.
  • Water Island Capital's Integral Ad Science position peaked at $10.9M in Q3 2025.
  • 2 funds tracked by Wall St. Rank held Integral Ad Science as of Q4 2025.

Based on Water Island Capital's 13F filing for Q4 2025, filed 17 Feb 2026.