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Fox Run Management’s Aspen Aerogels ASPN Stock Holding History

Fox Run 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
2026
Q2 		$240K Buy
+37,919
New +$186K 0.04% 757
2025
Q4 		– Sell
-36,181
Closed -$252K – 899
2025
Q3 		$252K Buy
+36,181
New +$255K 0.04% 741
2025
Q2 		– Sell
-23,955
Closed -$153K – 856
2025
Q1 		$153K Sell
23,955
-63,618
-73% -$613K 0.02% 829
2024
Q4 		$1.04M Buy
+87,573
New +$1.49M 0.19% 143
2024
Q3 		– Sell
-19,100
Closed -$456K – 793
2024
Q2 		$456K Buy
+19,100
New +$448K 0.09% 438
2023
Q1 		– Sell
-14,304
Closed -$169K – 648
2022
Q4 		$169K Buy
+14,304
New +$163K 0.07% 512

Other funds holding ASPN

KL
KIM LLC Wichita, Kansas $1B AUM 29.68% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
OCMI
Oaktop Capital Management II Chatham, New Jersey $2.35B AUM 214.39% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
NIM
Needham Investment Management New York $3.33B AUM 163.16% 1-Year Est. Return
GKFF
George Kaiser Family Foundation Tulsa, Oklahoma $1.04B AUM 36.93% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Jacobs Levy Equity Management
Jacobs Levy Equity Management Florham Park, New Jersey $27.8B AUM 46.46% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return

Fox Run Management's ASPN Position: Q2 2026 in Review

Fox Run Management opened a new position in Aspen Aerogels (ASPN) in Q2 2026: 37,919 shares worth $240K. The stake represents 0.04% of the portfolio and ranks #757 among its holdings. This is a return to the name: Fox Run Management previously reported a position in ASPN as recently as Q3 2025.

Fox Run Management first reported a position in ASPN in Q4 2022 and has held it in 6 quarters since. The position peaked at $1.04M in Q4 2024. 180 funds tracked by Wall St. Rank hold ASPN as of Q2 2026.

  • Fox Run Management held 37,919 shares of Aspen Aerogels worth $240K as of Q2 2026.
  • Aspen Aerogels was a new Fox Run Management position in Q2 2026.
  • Aspen Aerogels made up 0.04% of Fox Run Management's portfolio in Q2 2026, its #757 holding.
  • Fox Run Management first reported a position in Aspen Aerogels in Q4 2022 and has held it in 6 quarters since.
  • Fox Run Management's Aspen Aerogels position peaked at $1.04M in Q4 2024.
  • 180 funds tracked by Wall St. Rank held Aspen Aerogels as of Q2 2026.

Based on Fox Run Management's 13F filing for Q2 2026, filed 4 Aug 2026.