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Guggenheim Capital’s Aspen Aerogels ASPN Stock Holding History

Guggenheim 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
-10,750
Closed -$63.6K – 1584
2025
Q2 		$63.6K Buy
10,750
+371
+4% +$2.13K ﹤0.01% 1577
2025
Q1 		$66.3K Buy
+10,379
New +$100K ﹤0.01% 1623
2023
Q1 		– Sell
-36,468
Closed -$430K – 1916
2022
Q4 		$430K Sell
36,468
-6,229
-15% -$71.2K ﹤0.01% 1550
2022
Q3 		$393K Buy
42,697
+4,381
+11% +$53.1K ﹤0.01% 1572
2022
Q2 		$379K Buy
38,316
+20,778
+118% +$419K ﹤0.01% 1692
2022
Q1 		$605K Buy
17,538
+8,565
+95% +$278K ﹤0.01% 1606
2021
Q4 		$447K Sell
8,973
-23,777
-73% -$1.25M ﹤0.01% 1733
2021
Q3 		$1.51M Sell
32,750
-10,310
-24% -$409K 0.01% 1197
2021
Q2 		$1.29M Buy
+43,060
New +$879K 0.01% 1341

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

Guggenheim Capital's ASPN Position: Q3 2025 in Review

Guggenheim Capital sold out of Aspen Aerogels (ASPN) in Q3 2025, closing a stake of 10,750 shares — an estimated $63.6K sold.

Guggenheim Capital first reported a position in ASPN in Q2 2021 and held it in 9 quarters. The position peaked at $1.51M in Q3 2021. 204 funds tracked by Wall St. Rank hold ASPN as of Q3 2025.

  • Guggenheim Capital reported no remaining Aspen Aerogels position as of Q3 2025 after selling out during the quarter.
  • Guggenheim Capital sold 10,750 Aspen Aerogels shares in Q3 2025, an estimated $63.6K.
  • Guggenheim Capital first reported a position in Aspen Aerogels in Q2 2021 and held it in 9 quarters.
  • Guggenheim Capital's Aspen Aerogels position peaked at $1.51M in Q3 2021.
  • 204 funds tracked by Wall St. Rank held Aspen Aerogels as of Q3 2025.

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