ClearBridge Investments
IAS

ClearBridge Investments’s Integral Ad Science IAS Stock Holding History

ClearBridge Investments’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
Q3 		– Sell
-2,325,232
Closed -$19.3M – 729
2025
Q2 		$19.3M Sell
2,325,232
-185,284
-7% -$1.41M 0.02% 420
2025
Q1 		$20.2M Sell
2,510,516
-218,904
-8% -$2.18M 0.02% 407
2024
Q4 		$28.5M Sell
2,729,420
-187,007
-6% -$2.05M 0.02% 396
2024
Q3 		$31.5M Buy
2,916,427
+17,553
+0.6% +$189K 0.02% 390
2024
Q2 		$28.2M Sell
2,898,874
-1,007,778
-26% -$9.65M 0.02% 407
2024
Q1 		$38.9M Buy
3,906,652
+412,044
+12% +$5.5M 0.03% 368
2023
Q4 		$50.3M Buy
3,494,608
+214,693
+7% +$2.87M 0.04% 329
2023
Q3 		$39M Buy
3,279,915
+191,075
+6% +$2.95M 0.04% 340
2023
Q2 		$55.5M Buy
3,088,840
+1,788,957
+138% +$30.2M 0.05% 299
2023
Q1 		$18.5M Sell
1,299,883
-300,790
-19% -$3.38M 0.02% 439
2022
Q4 		$14.1M Buy
1,600,673
+6,260
+0.4% +$53.1K 0.01% 474
2022
Q3 		$11.5M Buy
1,594,413
+310,286
+24% +$2.78M 0.01% 502
2022
Q2 		$12.8M Buy
1,284,127
+264,060
+26% +$3.15M 0.01% 508
2022
Q1 		$14.1M Buy
1,020,067
+454,210
+80% +$7.74M 0.01% 530
2021
Q4 		$12.6M Buy
+565,857
New +$12.9M 0.01% 554

Other funds holding IAS

VEPM
Vista Equity Partners Management San Francisco, California $42.7M AUM 16.65% 1-Year Est. Return
AVA
Atlas Venture Advisors Boston, Massachusetts $143M AUM 25.68% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
SM
Sunriver Management Greenwich, Connecticut $591M AUM 2.74% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
PCP
P2 Capital Partners New York $210M AUM 1.23% 1-Year Est. Return
KC
Kryger Capital London, United Kingdom $1.41B AUM 86.31% 1-Year Est. Return
NAM
Nexpoint Asset Management Dallas, Texas $1.49B AUM 61.08% 1-Year Est. Return
GCL
Glazer Capital LLC New York $4.71B AUM 81.93% 1-Year Est. Return

ClearBridge Investments's IAS Position: Q3 2025 in Review

ClearBridge Investments sold out of Integral Ad Science (IAS) in Q3 2025, closing a stake of 2,325,232 shares — an estimated $19.3M sold.

ClearBridge Investments first reported a position in IAS in Q4 2021 and held it in 15 quarters. The position peaked at $55.5M in Q2 2023. 171 funds tracked by Wall St. Rank hold IAS as of Q3 2025.

  • ClearBridge Investments reported no remaining Integral Ad Science position as of Q3 2025 after selling out during the quarter.
  • ClearBridge Investments sold 2,325,232 Integral Ad Science shares in Q3 2025, an estimated $19.3M.
  • ClearBridge Investments first reported a position in Integral Ad Science in Q4 2021 and held it in 15 quarters.
  • ClearBridge Investments's Integral Ad Science position peaked at $55.5M in Q2 2023.
  • 171 funds tracked by Wall St. Rank held Integral Ad Science as of Q3 2025.

Based on ClearBridge Investments's 13F filing for Q3 2025, filed 13 Nov 2025.