Engineers Gate Manager’s Aspen Aerogels ASPN Stock Holding History

Engineers Gate Manager’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 Q1	$507K	Buy	148,159 +28,932	+24%	+$97.5K	0.01%	1404
2025 Q4	$337K	Buy	+119,227	New	+$615K	﹤0.01%	1571
2025 Q1	–	Sell	-155,087	Closed	-$1.84M	–	2143
2024 Q4	$1.84M	Buy	+155,087	New	+$2.64M	0.03%	662
2024 Q3	–	Sell	-38,987	Closed	-$930K	–	2103
2024 Q2	$930K	Buy	+38,987	New	+$915K	0.02%	924
2022 Q3	–	Sell	-66,338	Closed	-$655K	–	1604
2022 Q2	$655K	Buy	+66,338	New	+$1.34M	0.02%	963
2022 Q1	–	Sell	-11,415	Closed	-$568K	–	1839
2021 Q4	$568K	Buy	11,415 +1,652	+17%	+$87.1K	0.03%	967
2021 Q3	$449K	Buy	+9,763	New	+$387K	0.03%	941

Other funds holding ASPN

KIM LLC Wichita, Kansas $976M AUM 0.91% 1-Year Est. Return

OCMI

Oaktop Capital Management II Chatham, New Jersey $1.34B AUM 114.5% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

NIM

Needham Investment Management New York $1.96B AUM 101.23% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

GKFF

George Kaiser Family Foundation Tulsa, Oklahoma $883M AUM 21.04% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Gagnon Securities New York $433M AUM 29.08% 1-Year Est. Return

RHJA

Rice Hall James & Associates San Diego, California $1.8B AUM 36.16% 1-Year Est. Return

Engineers Gate Manager's ASPN Position: Q1 2026 in Review

Engineers Gate Manager increased its Aspen Aerogels (ASPN) stake by 24% in Q1 2026, buying an estimated $97.5K and bringing the position to 148,159 shares worth $507K. The position accounts for 0.01% of the portfolio, ranked #1404.

Engineers Gate Manager first reported a position in ASPN in Q3 2021 and has held it in 7 quarters since. The position peaked at $1.84M in Q4 2024. 166 funds tracked by Wall St. Rank hold ASPN as of Q1 2026.

Engineers Gate Manager held 148,159 shares of Aspen Aerogels worth $507K as of Q1 2026.
Engineers Gate Manager bought 28,932 Aspen Aerogels shares in Q1 2026, an estimated $97.5K.
Aspen Aerogels made up 0.01% of Engineers Gate Manager's portfolio in Q1 2026, its #1404 holding.
Engineers Gate Manager first reported a position in Aspen Aerogels in Q3 2021 and has held it in 7 quarters since.
Engineers Gate Manager's Aspen Aerogels position peaked at $1.84M in Q4 2024.
166 funds tracked by Wall St. Rank held Aspen Aerogels as of Q1 2026.

Based on Engineers Gate Manager's 13F filing for Q1 2026, filed 15 May 2026.