Simplex Trading
ASPN icon

Simplex Trading’s Aspen Aerogels ASPN Stock Holding History

Simplex Trading’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 		$101K Buy
15,952
+13,578
+572% +$66.6K ﹤0.01% 5531
2026
Q1 		$8.12K Sell
2,374
-2,458
-51% -$8.29K ﹤0.01% 7530
2025
Q4 		$13.7K Sell
4,832
-11,419
-70% -$58.9K ﹤0.01% 6782
2025
Q3 		$113K Buy
16,251
+15,198
+1,443% +$107K ﹤0.01% 5596
2025
Q2 		$6K Sell
1,053
-6,027
-85% -$34.7K ﹤0.01% 7614
2025
Q1 		$45K Buy
7,080
+3,414
+93% +$32.9K ﹤0.01% 5863
2024
Q4 		$43K Sell
3,666
-22,815
-86% -$389K ﹤0.01% 6018
2024
Q3 		$733K Sell
26,481
-7,493
-22% -$187K ﹤0.01% 3218
2024
Q2 		$810K Buy
33,974
+29,687
+692% +$697K ﹤0.01% 3137
2024
Q1 		$75K Buy
+4,287
New +$63.2K ﹤0.01% 5881
2023
Q2 		– Sell
-53,586
Closed -$373K – 8912
2023
Q1 		$399K Buy
53,586
+36,667
+217% +$364K ﹤0.01% 3511
2022
Q4 		$199K Sell
16,919
-330
-2% -$3.77K ﹤0.01% 4233
2022
Q3 		$159K Buy
17,249
+15,757
+1,056% +$191K ﹤0.01% 4916
2022
Q2 		$14K Sell
1,492
-33,506
-96% -$676K ﹤0.01% 7933
2022
Q1 		$1.21M Buy
+34,998
New +$1.14M ﹤0.01% 2685
2021
Q4 		– Sell
-11,568
Closed -$610K – 10425
2021
Q3 		$400K Buy
11,568
+1
+0% +$40 ﹤0.01% 4440
2021
Q2 		$346K Sell
11,567
-18,337
-61% -$374K ﹤0.01% 4739
2021
Q1 		$608K Buy
29,904
+21,393
+251% +$451K ﹤0.01% 3088
2020
Q4 		$142K Buy
+8,511
New +$112K ﹤0.01% 5050

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

Simplex Trading's ASPN Position: Q2 2026 in Review

Simplex Trading increased its Aspen Aerogels (ASPN) stake by 572% in Q2 2026, buying an estimated $66.6K and bringing the position to 15,952 shares worth $101K. The position accounts for ﹤0.01% of the portfolio, ranked #5531.

Simplex Trading first reported a position in ASPN in Q4 2020 and has held it in 19 quarters since. The position peaked at $1.21M in Q1 2022. 180 funds tracked by Wall St. Rank hold ASPN as of Q2 2026.

  • Simplex Trading held 15,952 shares of Aspen Aerogels worth $101K as of Q2 2026.
  • Simplex Trading bought 13,578 Aspen Aerogels shares in Q2 2026, an estimated $66.6K.
  • Aspen Aerogels made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #5531 holding.
  • Simplex Trading first reported a position in Aspen Aerogels in Q4 2020 and has held it in 19 quarters since.
  • Simplex Trading's Aspen Aerogels position peaked at $1.21M in Q1 2022.
  • 180 funds tracked by Wall St. Rank held Aspen Aerogels as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.