D.E. Shaw & Co
ASPN icon

D.E. Shaw & Co’s Aspen Aerogels ASPN Stock Holding History

D.E. Shaw & Co’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 		$6.76M Buy
1,066,501
+232,929
+28% +$1.14M ﹤0.01% 2166
2026
Q1 		$2.85M Buy
833,572
+810,355
+3,490% +$2.73M ﹤0.01% 2632
2025
Q4 		$65.7K Buy
23,217
+9,995
+76% +$51.5K ﹤0.01% 4423
2025
Q3 		$92K Sell
13,222
-7,500
-36% -$52.9K ﹤0.01% 4352
2025
Q2 		$123K Sell
20,722
-4,067
-16% -$23.4K ﹤0.01% 4110
2025
Q1 		$158K Buy
+24,789
New +$239K ﹤0.01% 3962
2024
Q4 		– Sell
-22,465
Closed -$622K – 4401
2024
Q3 		$622K Sell
22,465
-519,040
-96% -$13M ﹤0.01% 3581
2024
Q2 		$12.9M Buy
+541,505
New +$12.7M 0.01% 1171
2023
Q2 		– Sell
-77,788
Closed -$580K – 4221
2023
Q1 		$580K Sell
77,788
-141,488
-65% -$1.41M ﹤0.01% 3481
2022
Q4 		$2.59M Sell
219,276
-131,192
-37% -$1.5M ﹤0.01% 2715
2022
Q3 		$3.23M Buy
350,468
+148,472
+74% +$1.8M ﹤0.01% 2554
2022
Q2 		$2M Buy
+201,996
New +$4.08M ﹤0.01% 3080

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

D.E. Shaw & Co's ASPN Position: Q2 2026 in Review

D.E. Shaw & Co increased its Aspen Aerogels (ASPN) stake by 28% in Q2 2026, buying an estimated $1.14M and bringing the position to 1,066,501 shares worth $6.76M. The position accounts for ﹤0.01% of the portfolio, ranked #2166.

D.E. Shaw & Co first reported a position in ASPN in Q2 2022 and has held it in 12 quarters since. The position peaked at $12.9M in Q2 2024. 180 funds tracked by Wall St. Rank hold ASPN as of Q2 2026.

  • D.E. Shaw & Co held 1,066,501 shares of Aspen Aerogels worth $6.76M as of Q2 2026.
  • D.E. Shaw & Co bought 232,929 Aspen Aerogels shares in Q2 2026, an estimated $1.14M.
  • Aspen Aerogels made up ﹤0.01% of D.E. Shaw & Co's portfolio in Q2 2026, its #2166 holding.
  • D.E. Shaw & Co first reported a position in Aspen Aerogels in Q2 2022 and has held it in 12 quarters since.
  • D.E. Shaw & Co's Aspen Aerogels position peaked at $12.9M in Q2 2024.
  • 180 funds tracked by Wall St. Rank held Aspen Aerogels as of Q2 2026.

Based on D.E. Shaw & Co's 13F filing for Q2 2026, filed 14 Aug 2026.