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HRT Financial’s Aspen Aerogels ASPN Stock Holding History

HRT Financial’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 		– Sell
-870,435
Closed -$2.98M – 4148
2026
Q1 		$2.98M Buy
+870,435
New +$2.93M 0.01% 1322
2025
Q4 		– Sell
-167,423
Closed -$1.17M – 3155
2025
Q3 		$1.17M Sell
167,423
-428,319
-72% -$3.02M ﹤0.01% 1443
2025
Q2 		$3.53M Buy
595,742
+518,243
+669% +$2.98M 0.02% 681
2025
Q1 		$495K Sell
77,499
-4,203
-5% -$40.5K ﹤0.01% 1465
2024
Q4 		$970K Sell
81,702
-2,037
-2% -$34.7K 0.01% 1093
2024
Q3 		$2.32M Buy
+83,739
New +$2.1M 0.01% 827
2023
Q4 		– Sell
-18,703
Closed -$160K – 2295
2023
Q3 		$160K Sell
18,703
-42,753
-70% -$304K ﹤0.01% 1878
2023
Q2 		$484K Buy
+61,456
New +$428K ﹤0.01% 1378
2022
Q3 		– Sell
-60,500
Closed -$597K – 2774
2022
Q2 		$597K Buy
+60,500
New +$1.22M 0.01% 1354
2022
Q1 		– Sell
-20,867
Closed -$1.04M – 3067
2021
Q4 		$1.04M Buy
20,867
+8,605
+70% +$453K 0.01% 1080
2021
Q3 		$564K Buy
+12,262
New +$486K ﹤0.01% 1868

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

HRT Financial's ASPN Position: Q2 2026 in Review

HRT Financial sold out of Aspen Aerogels (ASPN) in Q2 2026, closing a stake of 870,435 shares — an estimated $2.98M sold.

HRT Financial first reported a position in ASPN in Q3 2021 and held it in 11 quarters. The position peaked at $3.53M in Q2 2025. 180 funds tracked by Wall St. Rank hold ASPN as of Q2 2026.

  • HRT Financial reported no remaining Aspen Aerogels position as of Q2 2026 after selling out during the quarter.
  • HRT Financial sold 870,435 Aspen Aerogels shares in Q2 2026, an estimated $2.98M.
  • HRT Financial first reported a position in Aspen Aerogels in Q3 2021 and held it in 11 quarters.
  • HRT Financial's Aspen Aerogels position peaked at $3.53M in Q2 2025.
  • 180 funds tracked by Wall St. Rank held Aspen Aerogels as of Q2 2026.

Based on HRT Financial's 13F filing for Q2 2026, filed 14 Aug 2026.