Janus Henderson Group
ASPN icon

Janus Henderson Group’s Aspen Aerogels ASPN Stock Holding History

Janus Henderson Group’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 		– Sell
-30,455
Closed -$86.3K – 2412
2025
Q4 		$86.3K Hold
30,455
– – ﹤0.01% 2399
2025
Q3 		$212K Hold
30,455
– – ﹤0.01% 2323
2025
Q2 		$180K Hold
30,455
– – ﹤0.01% 2337
2025
Q1 		$200K Hold
30,455
– – ﹤0.01% 2362
2024
Q4 		$361K Hold
30,455
– – ﹤0.01% 2175
2024
Q3 		$843K Hold
30,455
– – ﹤0.01% 1761
2024
Q2 		$726K Sell
30,455
-385
-1% -$9.04K ﹤0.01% 1794
2024
Q1 		$543K Buy
30,840
+35
+0.1% +$516 ﹤0.01% 1970
2023
Q4 		$486K Sell
30,805
-54
-0.2% -$558 ﹤0.01% 1999
2023
Q3 		$265K Buy
30,859
+3
+0% +$21 ﹤0.01% 2250
2023
Q2 		$243K Sell
30,856
-12
-0% -$84 ﹤0.01% 2359
2023
Q1 		$230K Buy
+30,868
New +$307K ﹤0.01% 2425
2022
Q1 		– Sell
-5,296
Closed -$264K – 2652
2021
Q4 		$264K Buy
+5,296
New +$279K ﹤0.01% 2257

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 $653B AUM 32.41% 1-Year Est. Return
GS
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