Prelude Capital Management’s Aspen Aerogels ASPN Stock Holding History

Prelude Capital 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	$88.2K	Buy	+13,911	New	+$68.2K	0.01%	1128
2025 Q4	–	Sell	-10,109	Closed	-$70.4K	–	1288
2025 Q3	$70.4K	Buy	+10,109	New	+$71.3K	0.01%	1085
2025 Q2	–	Sell	-50,226	Closed	-$321K	–	1012
2025 Q1	$321K	Buy	50,226 +31,021	+162%	+$299K	0.02%	675
2024 Q4	$228K	Buy	+19,205	New	+$327K	0.01%	931
2023 Q4	–	Sell	-20,513	Closed	-$176K	–	1130
2023 Q3	$176K	Buy	+20,513	New	+$146K	0.01%	929
2023 Q2	–	Sell	-33,155	Closed	-$247K	–	1121
2023 Q1	$247K	Buy	33,155 +5,700	+21%	+$56.7K	0.01%	750
2022 Q4	$324K	Buy	+27,455	New	+$314K	0.02%	767
2020 Q4	–	Sell	-500	Closed	-$5K	–	1288
2020 Q3	$5K	Buy	+500	New	+$3.96K	﹤0.01%	1548
2020 Q1	–	Sell	-7,229	Closed	-$56K	–	1427
2019 Q4	$56K	Buy	7,229 +4,232	+141%	+$29.2K	﹤0.01%	1295
2019 Q3	$18K	Buy	+2,997	New	+$19.1K	﹤0.01%	1406

Other funds holding ASPN

KIM LLC Wichita, Kansas $1B AUM 29.68% 1-Year Est. Return

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 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 Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

Jacobs Levy Equity Management Florham Park, New Jersey $27.8B AUM 46.46% 1-Year Est. Return

Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return

Prelude Capital Management's ASPN Position: Q2 2026 in Review

Prelude Capital Management opened a new position in Aspen Aerogels (ASPN) in Q2 2026: 13,911 shares worth $88.2K. The stake represents 0.01% of the portfolio and ranks #1128 among its holdings. This is a return to the name: Prelude Capital Management previously reported a position in ASPN as recently as Q3 2025.

Prelude Capital Management first reported a position in ASPN in Q3 2019 and has held it in 10 quarters since. The position peaked at $324K in Q4 2022. 179 funds tracked by Wall St. Rank hold ASPN as of Q2 2026.

Prelude Capital Management held 13,911 shares of Aspen Aerogels worth $88.2K as of Q2 2026.
Aspen Aerogels was a new Prelude Capital Management position in Q2 2026.
Aspen Aerogels made up 0.01% of Prelude Capital Management's portfolio in Q2 2026, its #1128 holding.
Prelude Capital Management first reported a position in Aspen Aerogels in Q3 2019 and has held it in 10 quarters since.
Prelude Capital Management's Aspen Aerogels position peaked at $324K in Q4 2022.
179 funds tracked by Wall St. Rank held Aspen Aerogels as of Q2 2026.

Based on Prelude Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.