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
Q2 		– Sell
-452,200
Closed -$2.89M – 1432
2025
Q1 		$2.89M Sell
452,200
-479,700
-51% -$4.62M 0.03% 569
2024
Q4 		$11.1M Sell
931,900
-197,500
-17% -$3.37M 0.1% 170
2024
Q3 		$31.3M Sell
1,129,400
-617,800
-35% -$15.5M 0.5% 37
2024
Q2 		$41.7M Buy
1,747,200
+556,800
+47% +$13.1M 0.64% 35
2024
Q1 		$21M Buy
1,190,400
+114,500
+11% +$1.69M 0.32% 62
2023
Q4 		$17M Buy
1,075,900
+411,600
+62% +$4.25M 0.23% 107
2023
Q3 		$5.71M Buy
664,300
+424,300
+177% +$3.01M 0.09% 284
2023
Q2 		$1.89M Buy
240,000
+145,000
+153% +$1.01M 0.03% 508
2023
Q1 		$708K Hold
95,000
– – 0.01% 708
2022
Q4 		$1.12M Buy
+95,000
New +$1.09M 0.02% 709
2022
Q2 		– Sell
-292,800
Closed -$10.1M – 1439
2022
Q1 		$10.1M Buy
292,800
+180,000
+160% +$5.84M 0.12% 213
2021
Q4 		$5.62M Sell
112,800
-2,200
-2% -$116K 0.06% 416
2021
Q3 		$5.29M Hold
115,000
– – 0.06% 437
2021
Q2 		$3.44M Buy
+115,000
New +$2.35M 0.04% 490

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.