Bank of Montreal
IAS

Bank of Montreal’s Integral Ad Science IAS Stock Holding History

Bank of Montreal’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
-72,138
Closed -$599K – 3661
2025
Q2 		$599K Buy
72,138
+20,378
+39% +$155K ﹤0.01% 2179
2025
Q1 		$417K Buy
+51,760
New +$516K ﹤0.01% 2311
2024
Q4 		– Sell
-49,918
Closed -$549K – 3728
2024
Q3 		$549K Sell
49,918
-15,485
-24% -$166K ﹤0.01% 2352
2024
Q2 		$638K Buy
65,403
+9,476
+17% +$90.7K ﹤0.01% 2266
2024
Q1 		$564K Buy
55,927
+32,869
+143% +$439K ﹤0.01% 2365
2023
Q4 		$340K Sell
23,058
-200
-0.9% -$2.68K ﹤0.01% 2784
2023
Q3 		$294K Sell
23,258
-48,749
-68% -$754K ﹤0.01% 2819
2023
Q2 		$1.3M Sell
72,007
-103,399
-59% -$1.75M ﹤0.01% 2035
2023
Q1 		$2.5M Sell
175,406
-13,132
-7% -$147K ﹤0.01% 1586
2022
Q4 		$1.66M Sell
188,538
-409,902
-68% -$3.48M ﹤0.01% 1875
2022
Q3 		$4.91K Buy
598,440
+568,221
+1,880% +$5.08M ﹤0.01% 1363
2022
Q2 		$354 Sell
30,219
-119,640
-80% -$1.43M ﹤0.01% 2907
2022
Q1 		$2.15M Buy
149,859
+5,018
+3% +$85.5K ﹤0.01% 1889
2021
Q4 		$3.33M Buy
144,841
+54,226
+60% +$1.23M ﹤0.01% 1377
2021
Q3 		$1.94M Buy
+90,615
New +$1.79M ﹤0.01% 2094

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

Bank of Montreal's IAS Position: Q3 2025 in Review

Bank of Montreal sold out of Integral Ad Science (IAS) in Q3 2025, closing a stake of 72,138 shares — an estimated $599K sold.

Bank of Montreal first reported a position in IAS in Q3 2021 and held it in 15 quarters. The position peaked at $3.33M in Q4 2021. 171 funds tracked by Wall St. Rank hold IAS as of Q3 2025.

  • Bank of Montreal reported no remaining Integral Ad Science position as of Q3 2025 after selling out during the quarter.
  • Bank of Montreal sold 72,138 Integral Ad Science shares in Q3 2025, an estimated $599K.
  • Bank of Montreal first reported a position in Integral Ad Science in Q3 2021 and held it in 15 quarters.
  • Bank of Montreal's Integral Ad Science position peaked at $3.33M in Q4 2021.
  • 171 funds tracked by Wall St. Rank held Integral Ad Science as of Q3 2025.

Based on Bank of Montreal's 13F filing for Q3 2025, filed 13 Nov 2025.