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Aspen Aerogels
ASPN

114 hedge funds and large institutions have $836M invested in Aspen Aerogels in 2021 Q2 according to their latest regulatory filings, with 35 funds opening new positions, 34 increasing their positions, 29 reducing their positions, and 6 closing their positions.

New
Increased
Maintained
Reduced
Closed

483% more first-time investments, than exits

New positions opened: 35 | Existing positions closed: 6

83% more call options, than puts

Call options by funds: $37.4M | Put options by funds: $20.4M

73% more capital invested

Capital invested by funds: $482M → $836M (+$354M)

34% more funds holding

Funds holding: 85 → 114 (+29)

18% more funds holding in top 10

Funds holding in top 10: 11 → 13 (+2)

17% more repeat investments, than reductions

Existing positions increased: 34 | Existing positions reduced: 29

14.85% more ownership

Funds ownership: 83.78% → 98.62% (+15%)

Holders
114
Holders Change
+29
Holders Change %
+34.12%
% of All Funds
1.98%
Holding in Top 10
13
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+18.18%
% of All Funds
0.23%
New
35
Increased
34
Reduced
29
Closed
6
Calls
$37.4M
Puts
$20.4M
Net Calls
+$17M
Net Calls Change
+$11.3M

Top Buyers

1
SCC
Spring Creek Capital
Kansas
+$70.6M
2
Millennium Management
Millennium Management
New York
+$7.25M
3
RCMC
RK Capital Management (Colorado)
Colorado
+$4.63M
4
State Street
State Street
Massachusetts
+$4.36M
5
Point72 Asset Management
Point72 Asset Management
Connecticut
+$3.19M

Top Sellers

1
BlackRock
BlackRock
New York
-$5.76M
2
Morgan Stanley
Morgan Stanley
New York
-$4.22M
3
Renaissance Technologies
Renaissance Technologies
New York
-$3.46M
4
Calamos Advisors
Calamos Advisors
Illinois
-$2.53M
5
EI
EAM Investors
California
-$2.49M
Name Holding Trade Value Shares
Change 		Change in
Stake
SCC
1
Spring Creek Capital
Kansas
$104M +$70.6M +3,462,124 New
GKFF
2
George Kaiser Family Foundation
Oklahoma
$94.8M – – –
OCMI
3
Oaktop Capital Management II
New Jersey
$88M – – –
TAM
4
Telemark Asset Management
Massachusetts
$60.6M – – –
BlackRock
5
BlackRock
New York
$47.1M -$5.76M -282,176 -15%
Vanguard Group
6
Vanguard Group
Pennsylvania
$39M +$2.13M +104,143 +9%
NIM
7
Needham Investment Management
New York
$33.5M +$357K +17,500 +2%
DCM
8
Driehaus Capital Management
Illinois
$25.6M -$286K -14,008 -2%
State Street
9
State Street
Massachusetts
$22.1M +$4.36M +213,577 +41%
GIPM
10
G2 Investment Partners Management
New York
$20.6M +$2.65M +130,028 +23%
ACM
11
AIGH Capital Management
Maryland
$19.6M – – –
NCGI
12
Next Century Growth Investors
Minnesota
$17.9M -$1.54M -75,539 -11%
RA
13
Royce & Associates
New York
$17.5M +$2.01M +98,413 +20%
EIM
14
Essex Investment Management
Massachusetts
$16.9M +$493K +24,154 +4%
Fidelity Investments
15
Fidelity Investments
Massachusetts
$15.6M +$2.04M +100,110 +24%
T. Rowe Price Associates
16
T. Rowe Price Associates
Maryland
$15.2M -$1.83M -89,683 -15%
CPA
17
Cowen Prime Advisors
New York
$13.7M +$1.42M +69,700 +18%
Millennium Management
18
Millennium Management
New York
$13.2M +$7.25M +355,277 +406%
Geode Capital Management
19
Geode Capital Management
Massachusetts
$12.2M +$495K +24,234 +6%
Dimensional Fund Advisors
20
Dimensional Fund Advisors
Texas
$11.7M -$325K -15,935 -4%
SC
21
Samjo Capital
New York
$10.8M +$326K +16,000 +5%
Baird Financial Group
22
Baird Financial Group
Wisconsin
$10.7M +$433K +21,199 +6%
HP
23
Harvey Partners
New York
$8.98M +$510K +25,000 +9%
SAM
24
Silvercrest Asset Management
New York
$8.38M +$737K +36,128 +15%
Renaissance Technologies
25
Renaissance Technologies
New York
$7.33M -$3.46M -169,800 -41%
1
2 3 4 5

ASPN Hedge Fund Activity: Q2 2021 in Review

114 of the 5,745 institutional investors tracked by Wall St. Rank reported a position in Aspen Aerogels (ASPN) for Q2 2021, worth a combined $836M — up 73% from $482M a quarter earlier.

Buyers outnumbered sellers: 35 funds opened new ASPN positions and 6 closed out — a net gain of 29 holders — while 34 added to existing stakes and 29 trimmed.

The largest buyer was Spring Creek Capital, opening a new position worth an estimated $70.6M. The largest seller was BlackRock, cutting an estimated $5.76M.

  • 114 institutional investors held Aspen Aerogels (ASPN) as of Q2 2021, up from 85 in Q1 2021.
  • Funds reported $836M of Aspen Aerogels stock for Q2 2021, up 73% quarter-over-quarter.
  • 35 funds opened new Aspen Aerogels positions in Q2 2021 and 6 closed out, a net change of +29 holders.
  • The largest Aspen Aerogels buyer in Q2 2021 was Spring Creek Capital, an estimated $70.6M added.
  • The largest Aspen Aerogels seller in Q2 2021 was BlackRock, an estimated $5.76M sold.

Based on aggregated 13F filings for Q2 2021.