Two Sigma Investments
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Two Sigma Investments’s Aspen Aerogels ASPN Stock Holding History

Two Sigma Investments’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 		$1.51M Sell
441,436
-315,983
-42% -$1.07M ﹤0.01% 2974
2025
Q4 		$2.14M Sell
757,419
-54,109
-7% -$279K ﹤0.01% 2388
2025
Q3 		$5.65M Buy
811,528
+40,221
+5% +$284K 0.01% 1354
2025
Q2 		$4.57M Sell
771,307
-130,177
-14% -$749K 0.01% 1275
2025
Q1 		$5.76M Buy
901,484
+308,719
+52% +$2.98M 0.01% 1046
2024
Q4 		$7.04M Buy
592,765
+512,439
+638% +$8.74M 0.02% 917
2024
Q3 		$2.22M Sell
80,326
-325,423
-80% -$8.14M ﹤0.01% 1611
2024
Q2 		$9.68M Buy
+405,749
New +$9.52M 0.02% 726
2023
Q2 		– Sell
-310,291
Closed -$2.31M – 2997
2023
Q1 		$2.31M Sell
310,291
-204,479
-40% -$2.03M 0.01% 1292
2022
Q4 		$6.07M Buy
514,770
+42,169
+9% +$482K 0.02% 770
2022
Q3 		$4.36M Sell
472,601
-80,946
-15% -$980K 0.01% 807
2022
Q2 		$5.47M Buy
553,547
+392,008
+243% +$7.91M 0.02% 732
2022
Q1 		$5.57M Buy
+161,539
New +$5.24M 0.02% 874

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

Two Sigma Investments's ASPN Position: Q1 2026 in Review

Two Sigma Investments reduced its Aspen Aerogels (ASPN) stake by 42% in Q1 2026, selling an estimated $1.07M and leaving 441,436 shares worth $1.51M. The position accounts for ﹤0.01% of the portfolio, ranked #2974.

Two Sigma Investments first reported a position in ASPN in Q1 2022 and has held it in 13 quarters since. The position peaked at $9.68M in Q2 2024. 166 funds tracked by Wall St. Rank hold ASPN as of Q1 2026.

  • Two Sigma Investments held 441,436 shares of Aspen Aerogels worth $1.51M as of Q1 2026.
  • Two Sigma Investments sold 315,983 Aspen Aerogels shares in Q1 2026, an estimated $1.07M.
  • Aspen Aerogels made up ﹤0.01% of Two Sigma Investments's portfolio in Q1 2026, its #2974 holding.
  • Two Sigma Investments first reported a position in Aspen Aerogels in Q1 2022 and has held it in 13 quarters since.
  • Two Sigma Investments's Aspen Aerogels position peaked at $9.68M in Q2 2024.
  • 166 funds tracked by Wall St. Rank held Aspen Aerogels as of Q1 2026.

Based on Two Sigma Investments's 13F filing for Q1 2026, filed 15 May 2026.