PA
ASPN icon

Promethium Advisors’s Aspen Aerogels ASPN Stock Holding History

Promethium Advisors’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
-63,320
Closed -$405K – 115
2025
Q1 		$405K Buy
63,320
+16,440
+35% +$158K 0.26% 82
2024
Q4 		$557K Buy
46,880
+13,815
+42% +$235K 0.38% 70
2024
Q3 		$916K Buy
+33,065
New +$827K 0.65% 44

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
GKFF
George Kaiser Family Foundation Tulsa, Oklahoma $883M AUM 21.04% 1-Year Est. Return
NIM
Needham Investment Management New York $1.96B AUM 101.23% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
GS
Gagnon Securities New York $433M AUM 29.08% 1-Year Est. Return

Promethium Advisors's ASPN Position: Q2 2025 in Review

Promethium Advisors sold out of Aspen Aerogels (ASPN) in Q2 2025, closing a stake of 63,320 shares — an estimated $405K sold.

Promethium Advisors first reported a position in ASPN in Q3 2024 and held it in 3 quarters. The position peaked at $916K in Q3 2024. 182 funds tracked by Wall St. Rank hold ASPN as of Q2 2025.

  • Promethium Advisors reported no remaining Aspen Aerogels position as of Q2 2025 after selling out during the quarter.
  • Promethium Advisors sold 63,320 Aspen Aerogels shares in Q2 2025, an estimated $405K.
  • Promethium Advisors first reported a position in Aspen Aerogels in Q3 2024 and held it in 3 quarters.
  • Promethium Advisors's Aspen Aerogels position peaked at $916K in Q3 2024.
  • 182 funds tracked by Wall St. Rank held Aspen Aerogels as of Q2 2025.

Based on Promethium Advisors's 13F filing for Q2 2025, filed 11 Aug 2025.