SEI Investments
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SEI Investments’s Aspen Aerogels ASPN Stock Holding History

SEI 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
2025
Q2 		– Sell
-37,181
Closed -$238K – 2794
2025
Q1 		$238K Buy
37,181
+8,988
+32% +$86.7K ﹤0.01% 2422
2024
Q4 		$335K Sell
28,193
-18,279
-39% -$312K ﹤0.01% 2319
2024
Q3 		$1.29M Sell
46,472
-3,213
-6% -$80.4K ﹤0.01% 1864
2024
Q2 		$1.18M Sell
49,685
-35,074
-41% -$823K ﹤0.01% 1852
2024
Q1 		$1.49M Sell
84,759
-1,955
-2% -$28.8K ﹤0.01% 1739
2023
Q4 		$1.37M Buy
86,714
+58,631
+209% +$605K ﹤0.01% 1765
2023
Q3 		$242K Buy
28,083
+3,165
+13% +$22.5K ﹤0.01% 2377
2023
Q2 		$197K Buy
24,918
+1,020
+4% +$7.1K ﹤0.01% 2482
2023
Q1 		$178K Buy
+23,898
New +$238K ﹤0.01% 2501
2022
Q4 		– Sell
-14,857
Closed -$137K – 2533
2022
Q3 		$137K Sell
14,857
-9,499
-39% -$115K ﹤0.01% 2530
2022
Q2 		$241K Buy
24,356
+14,117
+138% +$285K ﹤0.01% 2415
2022
Q1 		$353K Sell
10,239
-6,952
-40% -$226K ﹤0.01% 2251
2021
Q4 		$856K Sell
17,191
-2,287
-12% -$121K ﹤0.01% 1908
2021
Q3 		$896K Buy
+19,478
New +$772K ﹤0.01% 1818

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
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
OCMI
Oaktop Capital Management II Chatham, New Jersey $2.35B AUM 214.39% 1-Year Est. Return
GKFF
George Kaiser Family Foundation Tulsa, Oklahoma $1.04B AUM 36.93% 1-Year Est. Return
NIM
Needham Investment Management New York $3.33B AUM 163.16% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
GS
Gagnon Securities New York $519M AUM 44.91% 1-Year Est. Return

SEI Investments's ASPN Position: Q2 2025 in Review

SEI Investments sold out of Aspen Aerogels (ASPN) in Q2 2025, closing a stake of 37,181 shares — an estimated $238K sold.

SEI Investments first reported a position in ASPN in Q3 2021 and held it in 14 quarters. The position peaked at $1.49M in Q1 2024. 182 funds tracked by Wall St. Rank hold ASPN as of Q2 2025.

  • SEI Investments reported no remaining Aspen Aerogels position as of Q2 2025 after selling out during the quarter.
  • SEI Investments sold 37,181 Aspen Aerogels shares in Q2 2025, an estimated $238K.
  • SEI Investments first reported a position in Aspen Aerogels in Q3 2021 and held it in 14 quarters.
  • SEI Investments's Aspen Aerogels position peaked at $1.49M in Q1 2024.
  • 182 funds tracked by Wall St. Rank held Aspen Aerogels as of Q2 2025.

Based on SEI Investments's 13F filing for Q2 2025, filed 14 Aug 2025.