Mariner
ASPN icon

Mariner’s Aspen Aerogels ASPN Stock Holding History

Mariner’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 		$270K Buy
+42,652
New +$209K ﹤0.01% 2922
2024
Q4 		– Sell
-16,404
Closed -$454K – 3388
2024
Q3 		$454K Buy
16,404
+1,141
+7% +$28.5K ﹤0.01% 2216
2024
Q2 		$364K Buy
15,263
+1,217
+9% +$28.6K ﹤0.01% 2302
2024
Q1 		$247K Buy
14,046
+1,015
+8% +$15K ﹤0.01% 2596
2023
Q4 		$206K Sell
13,031
-1,905
-13% -$19.7K ﹤0.01% 2676
2023
Q3 		$128K Buy
14,936
+1,400
+10% +$9.95K ﹤0.01% 2638
2023
Q2 		$107K Buy
13,536
+2,743
+25% +$19.1K ﹤0.01% 2625
2023
Q1 		$80K Sell
10,793
-2,469
-19% -$24.5K ﹤0.01% 2608
2022
Q4 		$156K Buy
13,262
+2,340
+21% +$26.7K ﹤0.01% 2413
2022
Q3 		$101K Buy
+10,922
New +$132K ﹤0.01% 2199
2022
Q2 		– Sell
-10,094
Closed -$349K – 1377
2022
Q1 		$349K Buy
+10,094
New +$328K ﹤0.01% 1249

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

Mariner's ASPN Position: Q2 2026 in Review

Mariner opened a new position in Aspen Aerogels (ASPN) in Q2 2026: 42,652 shares worth $270K. The stake represents ﹤0.01% of the portfolio and ranks #2922 among its holdings. This is a return to the name: Mariner previously reported a position in ASPN as recently as Q3 2024.

Mariner first reported a position in ASPN in Q1 2022 and has held it in 11 quarters since. The position peaked at $454K in Q3 2024. 180 funds tracked by Wall St. Rank hold ASPN as of Q2 2026.

  • Mariner held 42,652 shares of Aspen Aerogels worth $270K as of Q2 2026.
  • Aspen Aerogels was a new Mariner position in Q2 2026.
  • Aspen Aerogels made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #2922 holding.
  • Mariner first reported a position in Aspen Aerogels in Q1 2022 and has held it in 11 quarters since.
  • Mariner's Aspen Aerogels position peaked at $454K in Q3 2024.
  • 180 funds tracked by Wall St. Rank held Aspen Aerogels as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.