CM
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Caption Management’s Aspen Aerogels ASPN Stock Holding History

Caption Management’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
2025
Q1 		– Sell
-544,900
Closed -$6.47M – 1505
2024
Q4 		$6.47M Buy
544,900
+394,900
+263% +$6.73M 0.06% 295
2024
Q3 		$4.15M Sell
150,000
-547,300
-78% -$13.7M 0.07% 344
2024
Q2 		$16.6M Buy
697,300
+107,100
+18% +$2.51M 0.26% 82
2024
Q1 		$10.4M Buy
590,200
+30,200
+5% +$445K 0.16% 155
2023
Q4 		$8.84M Hold
560,000
– – 0.12% 198
2023
Q3 		$4.82M Sell
560,000
-240,000
-30% -$1.7M 0.07% 327
2023
Q2 		$6.31M Buy
800,000
+705,000
+742% +$4.91M 0.11% 233
2023
Q1 		$708K Hold
95,000
– – 0.01% 709
2022
Q4 		$1.12M Buy
+95,000
New +$1.09M 0.02% 710
2021
Q4 		– Sell
-115,000
Closed -$5.29M – 1581
2021
Q3 		$5.29M Hold
115,000
– – 0.06% 438
2021
Q2 		$3.44M Buy
+115,000
New +$2.35M 0.04% 491

Other funds holding ASPN

KL
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
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
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
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

Caption Management's ASPN Position: Q1 2026 in Review

Caption Management sold out of Aspen Aerogels (ASPN) in Q1 2026, closing a stake of 36,100 shares — an estimated $102K sold.

Caption Management first reported a position in ASPN in Q2 2021 and held it in 14 quarters. The position peaked at $4.76M in Q2 2023. 166 funds tracked by Wall St. Rank hold ASPN as of Q1 2026.

  • Caption Management reported no remaining Aspen Aerogels position as of Q1 2026 after selling out during the quarter.
  • Caption Management sold 36,100 Aspen Aerogels shares in Q1 2026, an estimated $102K.
  • Caption Management first reported a position in Aspen Aerogels in Q2 2021 and held it in 14 quarters.
  • Caption Management's Aspen Aerogels position peaked at $4.76M in Q2 2023.
  • 166 funds tracked by Wall St. Rank held Aspen Aerogels as of Q1 2026.

Based on Caption Management's 13F filing for Q1 2026, filed 15 May 2026.