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
Q1 		$35.2K Buy
10,300
+100
+1% +$337 ﹤0.01% 6224
2025
Q4 		$28.9K Sell
10,200
-26,500
-72% -$137K ﹤0.01% 6140
2025
Q3 		$255K Buy
36,700
+26,600
+263% +$188K ﹤0.01% 4655
2025
Q2 		$59K Sell
10,100
-5,000
-33% -$28.8K ﹤0.01% 5752
2025
Q1 		$96K Sell
15,100
-7,600
-33% -$73.3K ﹤0.01% 5091
2024
Q4 		$269K Sell
22,700
-42,600
-65% -$726K ﹤0.01% 4182
2024
Q3 		$1.81M Buy
65,300
+9,200
+16% +$230K ﹤0.01% 2361
2024
Q2 		$1.34M Buy
56,100
+33,400
+147% +$784K ﹤0.01% 2608
2024
Q1 		$399K Buy
22,700
+18,300
+416% +$270K ﹤0.01% 4075
2023
Q4 		$69K Buy
4,400
+2,500
+132% +$25.8K ﹤0.01% 5760
2023
Q3 		$16K Sell
1,900
-17,600
-90% -$125K ﹤0.01% 6797
2023
Q2 		$153K Sell
19,500
-43,000
-69% -$299K ﹤0.01% 4603
2023
Q1 		$465K Buy
62,500
+10,400
+20% +$103K ﹤0.01% 3346
2022
Q4 		$614K Buy
52,100
+19,800
+61% +$226K ﹤0.01% 2956
2022
Q3 		$297K Buy
32,300
+21,900
+211% +$265K ﹤0.01% 4097
2022
Q2 		$102K Buy
10,400
+9,700
+1,386% +$196K ﹤0.01% 5536
2022
Q1 		$24K Sell
700
-7,200
-91% -$234K ﹤0.01% 8017
2021
Q4 		$393K Sell
7,900
-2,500
-24% -$132K ﹤0.01% 4150
2021
Q3 		$360K Hold
10,400
– – ﹤0.01% 4612
2021
Q2 		$311K Buy
10,400
+10,385
+69,233% +$212K ﹤0.01% 4920
2021
Q1 		$30K Buy
15
+14
+1,400% +$295 ﹤0.01% 7112
2020
Q4 		$1K Buy
+1
New +$13 ﹤0.01% 8081

Other funds holding ASPN

KL
KIM LLC Wichita, Kansas $976M AUM 0.91% 1-Year Est. Return
OCMI
Oaktop Capital Management II Chatham, New Jersey $1.34B AUM 114.5% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
NIM
Needham Investment Management New York $1.96B AUM 101.23% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
GKFF
George Kaiser Family Foundation Tulsa, Oklahoma $883M AUM 21.04% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
GS
Gagnon Securities New York $433M AUM 29.08% 1-Year Est. Return
RHJA
Rice Hall James & Associates San Diego, California $1.8B AUM 36.16% 1-Year Est. Return

Simplex Trading's ASPN Position: Q1 2026 in Review

Simplex Trading reduced its Aspen Aerogels (ASPN) stake by 51% in Q1 2026, selling an estimated $8.29K and leaving 2,374 shares worth $8.12K. The position accounts for ﹤0.01% of the portfolio, ranked #7530.

Simplex Trading first reported a position in ASPN in Q4 2020 and has held it in 18 quarters since. The position peaked at $1.21M in Q1 2022. 166 funds tracked by Wall St. Rank hold ASPN as of Q1 2026.

  • Simplex Trading held 2,374 shares of Aspen Aerogels worth $8.12K as of Q1 2026.
  • Simplex Trading sold 2,458 Aspen Aerogels shares in Q1 2026, an estimated $8.29K.
  • Aspen Aerogels made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #7530 holding.
  • Simplex Trading first reported a position in Aspen Aerogels in Q4 2020 and has held it in 18 quarters since.
  • Simplex Trading's Aspen Aerogels position peaked at $1.21M in Q1 2022.
  • 166 funds tracked by Wall St. Rank held Aspen Aerogels as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.