Oppenheimer & Co’s Aspen Aerogels ASPN Stock Holding History

Oppenheimer & Co’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	$408K	Sell	64,430 -11,854	-16%	-$58.1K	﹤0.01%	1353
2026 Q1	$261K	Sell	76,284 -737	-1%	-$2.48K	﹤0.01%	1450
2025 Q4	$218K	Sell	77,021 -44,805	-37%	-$231K	﹤0.01%	1400
2025 Q3	$848K	Buy	121,826 +102,047	+516%	+$719K	0.01%	972
2025 Q2	$117K	Sell	19,779 -183,381	-90%	-$1.05M	﹤0.01%	1551
2025 Q1	$1.3M	Buy	203,160 +21,632	+12%	+$209K	0.02%	691
2024 Q4	$2.16M	Buy	181,528 +78,993	+77%	+$1.35M	0.03%	521
2024 Q3	$2.84M	Buy	102,535 +64,154	+167%	+$1.61M	0.04%	434
2024 Q2	$915K	Buy	38,381 +16,326	+74%	+$383K	0.01%	806
2024 Q1	$388K	Buy	+22,055	New	+$325K	0.01%	1084

Other funds holding ASPN

KIM LLC Wichita, Kansas $1B AUM 29.68% 1-Year Est. Return

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 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 Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

Jacobs Levy Equity Management Florham Park, New Jersey $27.8B AUM 46.46% 1-Year Est. Return

Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return

Oppenheimer & Co's ASPN Position: Q2 2026 in Review

Oppenheimer & Co reduced its Aspen Aerogels (ASPN) stake by 16% in Q2 2026, selling an estimated $58.1K and leaving 64,430 shares worth $408K. The position accounts for ﹤0.01% of the portfolio, ranked #1353.

Oppenheimer & Co first reported a position in ASPN in Q1 2024 and has held it in 10 quarters since. The position peaked at $2.84M in Q3 2024. 180 funds tracked by Wall St. Rank hold ASPN as of Q2 2026.

Oppenheimer & Co held 64,430 shares of Aspen Aerogels worth $408K as of Q2 2026.
Oppenheimer & Co sold 11,854 Aspen Aerogels shares in Q2 2026, an estimated $58.1K.
Aspen Aerogels made up ﹤0.01% of Oppenheimer & Co's portfolio in Q2 2026, its #1353 holding.
Oppenheimer & Co first reported a position in Aspen Aerogels in Q1 2024 and has held it in 10 quarters since.
Oppenheimer & Co's Aspen Aerogels position peaked at $2.84M in Q3 2024.
180 funds tracked by Wall St. Rank held Aspen Aerogels as of Q2 2026.

Based on Oppenheimer & Co's 13F filing for Q2 2026, filed 3 Aug 2026.