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Corton Capital’s Aspen Aerogels ASPN Stock Holding History

Corton Capital’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
Q3 		– Sell
-20,612
Closed -$122K – 209
2025
Q2 		$122K Buy
+20,612
New +$119K 0.14% 297
2025
Q1 		– Sell
-29,277
Closed -$348K – 189
2024
Q4 		$348K Buy
+29,277
New +$499K 0.2% 64

Other funds holding ASPN

KL
KIM LLC Wichita, Kansas $976M AUM 0.91% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
OCMI
Oaktop Capital Management II Chatham, New Jersey $1.34B AUM 114.5% 1-Year Est. Return
NIM
Needham Investment Management New York $1.96B AUM 101.23% 1-Year Est. Return
GKFF
George Kaiser Family Foundation Tulsa, Oklahoma $883M AUM 21.04% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
TAM
Telemark Asset Management Boston, Massachusetts $1.08B AUM 70.88% 1-Year Est. Return
GS
Gagnon Securities New York $433M AUM 29.08% 1-Year Est. Return

Corton Capital's ASPN Position: Q3 2025 in Review

Corton Capital sold out of Aspen Aerogels (ASPN) in Q3 2025, closing a stake of 20,612 shares — an estimated $122K sold.

Corton Capital first reported a position in ASPN in Q4 2024 and held it in 2 quarters. The position peaked at $348K in Q4 2024. 204 funds tracked by Wall St. Rank hold ASPN as of Q3 2025.

  • Corton Capital reported no remaining Aspen Aerogels position as of Q3 2025 after selling out during the quarter.
  • Corton Capital sold 20,612 Aspen Aerogels shares in Q3 2025, an estimated $122K.
  • Corton Capital first reported a position in Aspen Aerogels in Q4 2024 and held it in 2 quarters.
  • Corton Capital's Aspen Aerogels position peaked at $348K in Q4 2024.
  • 204 funds tracked by Wall St. Rank held Aspen Aerogels as of Q3 2025.

Based on Corton Capital's 13F filing for Q3 2025, filed 14 Nov 2025.