Heartland Advisors’s Aspen Aerogels ASPN Stock Holding History

Heartland Advisors’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
2020 Q4	–	Sell	-100,000	Closed	-$1.09M	–	216
2020 Q3	$1.09M	Buy	+100,000	New	+$791K	0.1%	190
2019 Q1	–	Sell	-550,000	Closed	-$1.17M	–	198
2018 Q4	$1.17M	Hold	550,000	–	–	0.1%	165
2018 Q3	$2.51M	Sell	550,000 -200,000	-27%	-$974K	0.17%	161
2018 Q2	$3.67M	Sell	750,000 -157,424	-17%	-$747K	0.24%	149
2018 Q1	$3.88M	Sell	907,424 -19,642	-2%	-$92.9K	0.26%	150
2017 Q4	$4.52M	Hold	927,066	–	–	0.29%	131
2017 Q3	$4.03M	Hold	927,066	–	–	0.26%	146
2017 Q2	$4.13M	Buy	927,066 +7,066	+0.8%	+$29.8K	0.27%	140
2017 Q1	$3.82M	Buy	920,000 +70,000	+8%	+$298K	0.23%	153
2016 Q4	$3.51M	Buy	850,000 +120,000	+16%	+$585K	0.19%	155
2016 Q3	$4.35M	Buy	730,000 +630,000	+630%	+$3.17M	0.25%	139
2016 Q2	$497K	Buy	+100,000	New	+$438K	0.03%	172

Other funds holding ASPN

GKFF

George Kaiser Family Foundation Tulsa, Oklahoma $883M AUM 21.04% 1-Year Est. Return

OCMI

Oaktop Capital Management II Chatham, New Jersey $1.34B AUM 114.5% 1-Year Est. Return

TAM

Telemark Asset Management Boston, Massachusetts $1.08B AUM 70.88% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

NIM

Needham Investment Management New York $1.96B AUM 101.23% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Royce & Associates New York $10.1B AUM 42.88% 1-Year Est. Return

NCGI

Next Century Growth Investors Plymouth, Minnesota $1.38B AUM 102.34% 1-Year Est. Return

DCM

Driehaus Capital Management Chicago, Illinois $13.6B AUM 173.98% 1-Year Est. Return

Heartland Advisors's ASPN Position: Q4 2020 in Review

Heartland Advisors sold out of Aspen Aerogels (ASPN) in Q4 2020, closing a stake of 100,000 shares — an estimated $1.09M sold.

Heartland Advisors first reported a position in ASPN in Q2 2016 and held it in 12 quarters. The position peaked at $4.52M in Q4 2017. 76 funds tracked by Wall St. Rank hold ASPN as of Q4 2020.

Heartland Advisors reported no remaining Aspen Aerogels position as of Q4 2020 after selling out during the quarter.
Heartland Advisors sold 100,000 Aspen Aerogels shares in Q4 2020, an estimated $1.09M.
Heartland Advisors first reported a position in Aspen Aerogels in Q2 2016 and held it in 12 quarters.
Heartland Advisors's Aspen Aerogels position peaked at $4.52M in Q4 2017.
76 funds tracked by Wall St. Rank held Aspen Aerogels as of Q4 2020.

Based on Heartland Advisors's 13F filing for Q4 2020, filed 11 Feb 2021.