Bank of Montreal
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Bank of Montreal’s Aspen Aerogels ASPN Stock Holding History

Bank of Montreal’s Portfolio ASPN Stock Details ASPN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$110K Buy
17,300
+1,897
+12% +$9.3K ﹤0.01% 3207
2026
Q1 		$52.7K Buy
+15,403
New +$51.9K ﹤0.01% 3281
2025
Q1 		– Sell
-12,953
Closed -$154K – 3486
2024
Q4 		$154K Sell
12,953
-146
-1% -$2.49K ﹤0.01% 2840
2024
Q3 		$374K Buy
13,099
+119
+0.9% +$2.98K ﹤0.01% 2615
2024
Q2 		$398K Sell
12,980
-75
-0.6% -$1.76K ﹤0.01% 2552
2024
Q1 		$231K Hold
13,055
– – ﹤0.01% 2956
2023
Q4 		$210K Buy
13,055
+140
+1% +$1.45K ﹤0.01% 3108
2023
Q3 		$83.3K Sell
12,915
-6,019
-32% -$42.8K ﹤0.01% 3325
2023
Q2 		$154K Buy
+18,934
New +$132K ﹤0.01% 3316
2021
Q3 		– Sell
-45,001
Closed -$1.11M – 3803
2021
Q2 		$1.11M Buy
45,001
+19,382
+76% +$396K ﹤0.01% 2422
2021
Q1 		$503K Buy
25,619
+22,389
+693% +$472K ﹤0.01% 2631
2020
Q4 		$57K Buy
3,230
+2,282
+241% +$30K ﹤0.01% 3876
2020
Q3 		$10K Sell
948
-712
-43% -$5.63K ﹤0.01% 4117
2020
Q2 		$10K Buy
+1,660
New +$10.7K ﹤0.01% 4153
2016
Q2 		– Sell
-36
Closed – – 4071
2016
Q1 		$0 Hold
36
– – ﹤0.01% 4174
2015
Q4 		$0 Hold
36
– – ﹤0.01% 4205
2015
Q3 		$0 Hold
36
– – ﹤0.01% 3972
2015
Q2 		$0 Hold
36
– – ﹤0.01% 3925
2015
Q1 		$0 Hold
36
– – ﹤0.01% 3963
2014
Q4 		$0 Buy
+36
New +$305 ﹤0.01% 4016

Other funds holding ASPN

KL
KIM LLC Wichita, Kansas $1B AUM 29.68% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
OCMI
Oaktop Capital Management II Chatham, New Jersey $2.35B AUM 214.39% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
NIM
Needham Investment Management New York $3.33B AUM 163.16% 1-Year Est. Return
GKFF
George Kaiser Family Foundation Tulsa, Oklahoma $1.04B AUM 36.93% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Jacobs Levy Equity Management
Jacobs Levy Equity Management Florham Park, New Jersey $27.8B AUM 46.46% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return

Bank of Montreal's ASPN Position: Q2 2026 in Review

Bank of Montreal increased its Aspen Aerogels (ASPN) stake by 12% in Q2 2026, buying an estimated $9.3K and bringing the position to 17,300 shares worth $110K. The position accounts for ﹤0.01% of the portfolio, ranked #3207.

Bank of Montreal first reported a position in ASPN in Q4 2014 and has held it in 20 quarters since. The position peaked at $1.11M in Q2 2021. 179 funds tracked by Wall St. Rank hold ASPN as of Q2 2026.

  • Bank of Montreal held 17,300 shares of Aspen Aerogels worth $110K as of Q2 2026.
  • Bank of Montreal bought 1,897 Aspen Aerogels shares in Q2 2026, an estimated $9.3K.
  • Aspen Aerogels made up ﹤0.01% of Bank of Montreal's portfolio in Q2 2026, its #3207 holding.
  • Bank of Montreal first reported a position in Aspen Aerogels in Q4 2014 and has held it in 20 quarters since.
  • Bank of Montreal's Aspen Aerogels position peaked at $1.11M in Q2 2021.
  • 179 funds tracked by Wall St. Rank held Aspen Aerogels as of Q2 2026.

Based on Bank of Montreal's 13F filing for Q2 2026, filed 12 Aug 2026.