Polar Asset Management Partners’s Integral Ad Science IAS Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q4
– Sell
-1,000,000
Closed -$10.2M – 745
2025
Q3
$10.2M Buy
+1,000,000
New +$8.66M 0.11% 145
2024
Q3
– Sell
-109,300
Closed -$1.06M – 768
2024
Q2
$1.06M Buy
+109,300
New +$1.05M 0.02% 385
2023
Q4
– Sell
-66,200
Closed -$787K – 850
2023
Q3
$787K Sell
66,200
-203,100
-75% -$3.14M 0.02% 476
2023
Q2
$4.84M Buy
+269,300
New +$4.55M 0.09% 293
2021
Q3
– Sell
-603,903
Closed -$12.4M – 1304
2021
Q2
$12.4M Buy
+603,903
New +$12.4M 0.13% 178

Other funds holding IAS

Polar Asset Management Partners's IAS Position: Q4 2025 in Review

Polar Asset Management Partners sold out of Integral Ad Science (IAS) in Q4 2025, closing a stake of 1,000,000 shares — an estimated $10.2M sold.

Polar Asset Management Partners first reported a position in IAS in Q2 2021 and held it in 5 quarters. The position peaked at $12.4M in Q2 2021. 2 funds tracked by Wall St. Rank hold IAS as of Q4 2025.

  • Polar Asset Management Partners reported no remaining Integral Ad Science position as of Q4 2025 after selling out during the quarter.
  • Polar Asset Management Partners sold 1,000,000 Integral Ad Science shares in Q4 2025, an estimated $10.2M.
  • Polar Asset Management Partners first reported a position in Integral Ad Science in Q2 2021 and held it in 5 quarters.
  • Polar Asset Management Partners's Integral Ad Science position peaked at $12.4M in Q2 2021.
  • 2 funds tracked by Wall St. Rank held Integral Ad Science as of Q4 2025.

Based on Polar Asset Management Partners's 13F filing for Q4 2025, filed 17 Feb 2026.