Jeff Yass’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 |
-375,113
| Closed | -$3.81M | – | 12894 |
|
|
2025
Q3 | $3.81M | Buy |
375,113
+188,340
| +101% | +$1.63M | ﹤0.01% | 4549 |
|
|
2025
Q2 | $1.55M | Buy |
186,773
+13,408
| +8% | +$102K | ﹤0.01% | 6350 |
|
|
2025
Q1 | $1.4M | Buy |
173,365
+85,399
| +97% | +$852K | ﹤0.01% | 6392 |
|
|
2024
Q4 | $918K | Sell |
87,966
-2,877
| -3% | -$31.6K | ﹤0.01% | 7172 |
|
|
2024
Q3 | $982K | Buy |
90,843
+15,044
| +20% | +$162K | ﹤0.01% | 6827 |
|
|
2024
Q2 | $737K | Sell |
75,799
-176,840
| -70% | -$1.69M | ﹤0.01% | 7295 |
|
|
2024
Q1 | $2.52M | Buy |
252,639
+235,775
| +1,398% | +$3.15M | ﹤0.01% | 4858 |
|
|
2023
Q4 | $243K | Sell |
16,864
-216,312
| -93% | -$2.89M | ﹤0.01% | 10286 |
|
|
2023
Q3 | $2.77M | Sell |
233,176
-309,734
| -57% | -$4.79M | ﹤0.01% | 4524 |
|
|
2023
Q2 | $9.76M | Buy |
542,910
+382,174
| +238% | +$6.45M | ﹤0.01% | 2526 |
|
|
2023
Q1 | $2.29M | Buy |
+160,736
| New | +$1.81M | ﹤0.01% | 4850 |
|
|
2022
Q4 | – | Sell |
-10,784
| Closed | -$78K | – | 12963 |
|
|
2022
Q3 | $78K | Sell |
10,784
-504
| -4% | -$4.51K | ﹤0.01% | 11907 |
|
|
2022
Q2 | $112K | Sell |
11,288
-9,986
| -47% | -$119K | ﹤0.01% | 11365 |
|
|
2022
Q1 | $294K | Buy |
21,274
+10,301
| +94% | +$175K | ﹤0.01% | 10323 |
|
|
2021
Q4 | $244K | Buy |
+10,973
| New | +$250K | ﹤0.01% | 11007 |
|
Other funds holding IAS
Jeff Yass's IAS Position: Q4 2025 in Review
Jeff Yass sold out of Integral Ad Science (IAS) in Q4 2025, closing a stake of 375,113 shares — an estimated $3.81M sold.
Jeff Yass first reported a position in IAS in Q4 2021 and held it in 15 quarters. The position peaked at $9.76M in Q2 2023. 2 funds tracked by Wall St. Rank hold IAS as of Q4 2025.
- Jeff Yass reported no remaining Integral Ad Science position as of Q4 2025 after selling out during the quarter.
- Jeff Yass sold 375,113 Integral Ad Science shares in Q4 2025, an estimated $3.81M.
- Jeff Yass first reported a position in Integral Ad Science in Q4 2021 and held it in 15 quarters.
- Jeff Yass's Integral Ad Science position peaked at $9.76M in Q2 2023.
- 2 funds tracked by Wall St. Rank held Integral Ad Science as of Q4 2025.
Based on Susquehanna International Group's 13F filing for Q4 2025, filed 17 Feb 2026.