TRCT
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Tower Research Capital (TRC)’s Aspen Aerogels ASPN Stock Holding History

Tower Research Capital (TRC)’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 		$11.5K Sell
3,356
-1,377
-29% -$4.64K ﹤0.01% 3840
2025
Q4 		$13.4K Buy
4,733
+868
+22% +$4.48K ﹤0.01% 3408
2025
Q3 		$26.9K Sell
3,865
-3,370
-47% -$23.8K ﹤0.01% 3044
2025
Q2 		$42.8K Buy
7,235
+4,693
+185% +$27K ﹤0.01% 3100
2025
Q1 		$16.2K Sell
2,542
-21,823
-90% -$210K ﹤0.01% 3174
2024
Q4 		$289K Buy
24,365
+17,012
+231% +$290K 0.01% 1439
2024
Q3 		$204K Sell
7,353
-7,269
-50% -$182K 0.01% 1606
2024
Q2 		$349K Buy
14,622
+14,096
+2,680% +$331K 0.01% 1634
2024
Q1 		$9.26K Sell
526
-8,444
-94% -$124K ﹤0.01% 3876
2023
Q4 		$142K Buy
8,970
+5,000
+126% +$51.6K ﹤0.01% 2362
2023
Q3 		$34.1K Buy
3,970
+243
+7% +$1.73K ﹤0.01% 2909
2023
Q2 		$29.4K Sell
3,727
-3,633
-49% -$25.3K ﹤0.01% 3038
2023
Q1 		$54K Buy
7,360
+6,041
+458% +$60.1K ﹤0.01% 2412
2022
Q4 		$16K Sell
1,319
-6,504
-83% -$74.3K ﹤0.01% 3320
2022
Q3 		$73K Buy
7,823
+3,583
+85% +$43.4K ﹤0.01% 2835
2022
Q2 		$42K Buy
4,240
+1,032
+32% +$20.8K ﹤0.01% 3050
2022
Q1 		$110K Buy
3,208
+2,776
+643% +$90.1K ﹤0.01% 2131
2021
Q4 		$22K Buy
432
+254
+143% +$13.4K ﹤0.01% 3549
2021
Q3 		$8K Sell
178
-728
-80% -$28.9K ﹤0.01% 4521
2021
Q2 		$27K Buy
906
+88
+11% +$1.8K ﹤0.01% 3593
2021
Q1 		$17K Sell
818
-7,918
-91% -$167K ﹤0.01% 3991
2020
Q4 		$146K Sell
8,736
-15,779
-64% -$207K ﹤0.01% 2007
2020
Q3 		$269K Buy
24,515
+23,504
+2,325% +$186K ﹤0.01% 2277
2020
Q2 		$7K Buy
+1,011
New +$6.49K ﹤0.01% 4139
2020
Q1 		– Sell
-1,722
Closed -$13K – 3018
2019
Q4 		$13K Buy
1,722
+1,202
+231% +$8.3K ﹤0.01% 2184
2019
Q3 		$3K Buy
520
+478
+1,138% +$3.04K ﹤0.01% 3521
2019
Q2 		$0 Sell
42
-398
-90% -$1.81K ﹤0.01% 3644
2019
Q1 		$1K Sell
440
-21,009
-98% -$62.4K ﹤0.01% 3524
2018
Q4 		$45K Buy
21,449
+6,809
+47% +$23.1K ﹤0.01% 1349
2018
Q3 		$67K Buy
14,640
+10,873
+289% +$52.9K ﹤0.01% 1573
2018
Q2 		$18K Sell
3,767
-5,902
-61% -$28K ﹤0.01% 2485
2018
Q1 		$42K Buy
9,669
+3,874
+67% +$18.3K ﹤0.01% 1764
2017
Q4 		$28K Buy
5,795
+84
+1% +$391 ﹤0.01% 1789
2017
Q3 		$25K Sell
5,711
-3,592
-39% -$15.7K ﹤0.01% 2575
2017
Q2 		$41K Buy
9,303
+7,418
+394% +$31.3K ﹤0.01% 840
2017
Q1 		$8K Buy
1,885
+795
+73% +$3.39K ﹤0.01% 1900
2016
Q4 		$5K Sell
1,090
-2,530
-70% -$12.3K ﹤0.01% 3020
2016
Q3 		$22K Buy
3,620
+393
+12% +$1.98K ﹤0.01% 1545
2016
Q2 		$16K Buy
+3,227
New +$14.1K ﹤0.01% 2408
2015
Q4 		– Sell
-870
Closed -$7K – 4447
2015
Q3 		$7K Buy
+870
New +$6.33K ﹤0.01% 2543
2014
Q4 		– Sell
-7,310
Closed -$74K – 3990
2014
Q3 		$74K Buy
7,310
+57
+0.8% +$577 0.01% 1217
2014
Q2 		$80K Buy
+7,253
New +$78.7K 0.01% 1018

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

Tower Research Capital (TRC)'s ASPN Position: Q1 2026 in Review

Tower Research Capital (TRC) reduced its Aspen Aerogels (ASPN) stake by 29% in Q1 2026, selling an estimated $4.64K and leaving 3,356 shares worth $11.5K. The position accounts for ﹤0.01% of the portfolio, ranked #3840.

Tower Research Capital (TRC) first reported a position in ASPN in Q2 2014 and has held it in 42 quarters since. The position peaked at $349K in Q2 2024. 166 funds tracked by Wall St. Rank hold ASPN as of Q1 2026.

  • Tower Research Capital (TRC) held 3,356 shares of Aspen Aerogels worth $11.5K as of Q1 2026.
  • Tower Research Capital (TRC) sold 1,377 Aspen Aerogels shares in Q1 2026, an estimated $4.64K.
  • Aspen Aerogels made up ﹤0.01% of Tower Research Capital (TRC)'s portfolio in Q1 2026, its #3840 holding.
  • Tower Research Capital (TRC) first reported a position in Aspen Aerogels in Q2 2014 and has held it in 42 quarters since.
  • Tower Research Capital (TRC)'s Aspen Aerogels position peaked at $349K in Q2 2024.
  • 166 funds tracked by Wall St. Rank held Aspen Aerogels as of Q1 2026.

Based on Tower Research Capital (TRC)'s 13F filing for Q1 2026, filed 15 May 2026.