David Shaw’s Aspen Aerogels ASPN Stock Holding History

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

David Shaw's ASPN Position: Q2 2026 in Review

David Shaw 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.

David Shaw 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.

  • David Shaw held 1,066,501 shares of Aspen Aerogels worth $6.76M as of Q2 2026.
  • David Shaw bought 232,929 Aspen Aerogels shares in Q2 2026, an estimated $1.14M.
  • Aspen Aerogels made up ﹤0.01% of David Shaw's portfolio in Q2 2026, its #2166 holding.
  • David Shaw first reported a position in Aspen Aerogels in Q2 2022 and has held it in 12 quarters since.
  • David Shaw'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.