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Cliff Asness’s Aspen Aerogels ASPN Stock Holding History

Cliff Asness’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 		$8.09M Buy
1,276,346
+750,227
+143% +$3.68M ﹤0.01% 1704
2026
Q1 		$1.8M Buy
526,119
+156,170
+42% +$526K ﹤0.01% 2423
2025
Q4 		$1.05M Buy
369,949
+192,144
+108% +$991K ﹤0.01% 2525
2025
Q3 		$1.24M Sell
177,805
-12,026
-6% -$84.8K ﹤0.01% 2297
2025
Q2 		$1.12M Buy
189,831
+39,645
+26% +$228K ﹤0.01% 2129
2025
Q1 		$960K Buy
+150,186
New +$1.45M ﹤0.01% 2038
2024
Q4 		– Sell
-14,659
Closed -$406K – 2871
2024
Q3 		$406K Sell
14,659
-64,056
-81% -$1.6M ﹤0.01% 2259
2024
Q2 		$1.88M Sell
78,715
-61,149
-44% -$1.44M ﹤0.01% 1476
2024
Q1 		$2.46M Buy
+139,864
New +$2.06M ﹤0.01% 1320
2022
Q3 		– Sell
-23,506
Closed -$232K – 2192
2022
Q2 		$232K Sell
23,506
-10,628
-31% -$214K ﹤0.01% 1947
2022
Q1 		$1.18M Sell
34,134
-4,407
-11% -$143K ﹤0.01% 1455
2021
Q4 		$1.92M Buy
38,541
+15,132
+65% +$797K ﹤0.01% 1195
2021
Q3 		$1.08M Buy
23,409
+3,135
+15% +$124K ﹤0.01% 1495
2021
Q2 		$607K Sell
20,274
-3,168
-14% -$64.6K ﹤0.01% 1823
2021
Q1 		$477K Buy
23,442
+10,133
+76% +$214K ﹤0.01% 1851
2020
Q4 		$222K Buy
+13,309
New +$175K ﹤0.01% 2060

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

Cliff Asness's ASPN Position: Q2 2026 in Review

Cliff Asness increased its Aspen Aerogels (ASPN) stake by 143% in Q2 2026, buying an estimated $3.68M and bringing the position to 1,276,346 shares worth $8.09M. The position accounts for ﹤0.01% of the portfolio, ranked #1704.

Cliff Asness first reported a position in ASPN in Q4 2020 and has held it in 16 quarters since. 179 funds tracked by Wall St. Rank hold ASPN as of Q2 2026.

  • Cliff Asness held 1,276,346 shares of Aspen Aerogels worth $8.09M as of Q2 2026.
  • Cliff Asness bought 750,227 Aspen Aerogels shares in Q2 2026, an estimated $3.68M.
  • Aspen Aerogels made up ﹤0.01% of Cliff Asness's portfolio in Q2 2026, its #1704 holding.
  • Cliff Asness first reported a position in Aspen Aerogels in Q4 2020 and has held it in 16 quarters since.
  • 179 funds tracked by Wall St. Rank held Aspen Aerogels as of Q2 2026.

Based on AQR Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.