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Needham Investment Management’s Aspen Aerogels ASPN Stock Holding History

Needham Investment Management’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 		$15.5M Buy
4,518,775
+167,075
+4% +$563K 0.79% 38
2025
Q4 		$12.3M Buy
4,351,700
+912,000
+27% +$4.7M 0.78% 46
2025
Q3 		$23.9M Buy
3,439,700
+425,500
+14% +$3M 1.67% 15
2025
Q2 		$17.8M Buy
3,014,200
+277,000
+10% +$1.59M 1.42% 22
2025
Q1 		$17.5M Buy
2,737,200
+347,500
+15% +$3.35M 1.64% 18
2024
Q4 		$28.4M Buy
2,389,700
+117,500
+5% +$2M 2.19% 7
2024
Q3 		$62.9M Sell
2,272,200
-27,529
-1% -$689K 4.83% 1
2024
Q2 		$54.8M Sell
2,299,729
-702,471
-23% -$16.5M 4.51% 2
2024
Q1 		$52.8M Buy
3,002,200
+34,800
+1% +$513K 4.91% 2
2023
Q4 		$46.8M Buy
2,967,400
+439,100
+17% +$4.53M 5.91% 2
2023
Q3 		$21.7M Buy
2,528,300
+260,000
+11% +$1.85M 3.7% 5
2023
Q2 		$17.9M Buy
2,268,300
+160,750
+8% +$1.12M 2.95% 6
2023
Q1 		$15.7M Buy
2,107,550
+574,716
+37% +$5.71M 2.71% 9
2022
Q4 		$18.1M Buy
1,532,834
+549,734
+56% +$6.28M 3.27% 7
2022
Q3 		$9.06M Buy
983,100
+298,600
+44% +$3.62M 1.78% 19
2022
Q2 		$6.76M Buy
684,500
+23,000
+3% +$464K 1.26% 24
2022
Q1 		$22.8M Sell
661,500
-32,500
-5% -$1.05M 3.3% 4
2021
Q4 		$34.6M Sell
694,000
-266,500
-28% -$14M 4.34% 2
2021
Q3 		$44.2M Sell
960,500
-160,000
-14% -$6.34M 5.9% 1
2021
Q2 		$33.5M Buy
1,120,500
+17,500
+2% +$357K 4.9% 2
2021
Q1 		$22.4M Buy
1,103,000
+171,600
+18% +$3.62M 3.07% 4
2020
Q4 		$15.5M Sell
931,400
-400,506
-30% -$5.27M 2.61% 10
2020
Q3 		$14.6M Buy
1,331,906
+120,506
+10% +$953K 2.91% 7
2020
Q2 		$7.97M Buy
1,211,400
+81,400
+7% +$522K 1.7% 19
2020
Q1 		$6.94M Buy
1,130,000
+225,350
+25% +$1.83M 1.96% 14
2019
Q4 		$7.02M Buy
904,650
+17,000
+2% +$117K 1.91% 19
2019
Q3 		$5.25M Hold
887,650
– – 1.69% 22
2019
Q2 		$6.33M Sell
887,650
-242,750
-21% -$1.1M 2.09% 18
2019
Q1 		$2.88M Hold
1,130,400
– – 0.98% 36
2018
Q4 		$2.41M Buy
1,130,400
+345,400
+44% +$1.17M 0.9% 34
2018
Q3 		$3.59M Buy
785,000
+241,200
+44% +$1.17M 1.08% 32
2018
Q2 		$2.67M Sell
543,800
-34,050
-6% -$162K 0.75% 42
2018
Q1 		$2.47M Sell
577,850
-22,150
-4% -$105K 0.71% 44
2017
Q4 		$2.93M Buy
600,000
+165,000
+38% +$769K 0.78% 42
2017
Q3 		$1.89M Buy
435,000
+92,500
+27% +$404K 0.48% 53
2017
Q2 		$1.52M Hold
342,500
– – 0.41% 54
2017
Q1 		$1.42M Buy
342,500
+77,500
+29% +$330K 0.37% 55
2016
Q4 		$1.09M Buy
265,000
+199,800
+306% +$974K 0.28% 63
2016
Q3 		$389K Buy
65,200
+25,000
+62% +$126K 0.1% 77
2016
Q2 		$200K Buy
40,200
+5,000
+14% +$21.9K 0.06% 85
2016
Q1 		$158K Hold
35,200
– – 0.04% 94
2015
Q4 		$214K Hold
35,200
– – 0.05% 94
2015
Q3 		$264K Buy
+35,200
New +$256K 0.07% 97

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
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
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Needham Investment Management's ASPN Position: Q1 2026 in Review

Needham Investment Management increased its Aspen Aerogels (ASPN) stake by 3.8% in Q1 2026, buying an estimated $563K and bringing the position to 4,518,775 shares worth $15.5M. The position accounts for 0.79% of the portfolio, ranked #38.

Needham Investment Management first reported a position in ASPN in Q3 2015 and has held it in 43 quarters since. The position peaked at $62.9M in Q3 2024. 166 funds tracked by Wall St. Rank hold ASPN as of Q1 2026.

  • Needham Investment Management held 4,518,775 shares of Aspen Aerogels worth $15.5M as of Q1 2026.
  • Needham Investment Management bought 167,075 Aspen Aerogels shares in Q1 2026, an estimated $563K.
  • Aspen Aerogels made up 0.79% of Needham Investment Management's portfolio in Q1 2026, its #38 holding.
  • Needham Investment Management first reported a position in Aspen Aerogels in Q3 2015 and has held it in 43 quarters since.
  • Needham Investment Management's Aspen Aerogels position peaked at $62.9M in Q3 2024.
  • 166 funds tracked by Wall St. Rank held Aspen Aerogels as of Q1 2026.

Based on Needham Investment Management's 13F filing for Q1 2026, filed 15 May 2026.