GS
ASPN icon

Gagnon Securities’s Aspen Aerogels ASPN Stock Holding History

Gagnon Securities’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 		$6.37M Buy
1,861,851
+728,603
+64% +$2.46M 1.47% 23
2025
Q4 		$3.21M Sell
1,133,248
-621,585
-35% -$3.21M 0.65% 38
2025
Q3 		$12.2M Sell
1,754,833
-144,275
-8% -$1.02M 2.45% 16
2025
Q2 		$11.2M Buy
+1,899,108
New +$10.9M 2.28% 17
2018
Q4 		– Sell
-39,240
Closed -$179K – 96
2018
Q3 		$179K Sell
39,240
-109
-0.3% -$531 0.04% 96
2018
Q2 		$193K Sell
39,349
-369
-0.9% -$1.75K 0.06% 92
2018
Q1 		$170K Buy
+39,718
New +$188K 0.06% 85

Other funds holding ASPN

KL
KIM LLC Wichita, Kansas $678M 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
BlackRock New York $5.7T 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
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
RHJA
Rice Hall James & Associates San Diego, California $1.8B AUM 36.16% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return