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Aspen Aerogels
ASPN

222 hedge funds and large institutions have $1.69B invested in Aspen Aerogels in 2024 Q2 according to their latest regulatory filings, with 74 funds opening new positions, 58 increasing their positions, 65 reducing their positions, and 18 closing their positions.

New
Increased
Maintained
Reduced
Closed

311% more first-time investments, than exits

New positions opened: 74 | Existing positions closed: 18

160% more call options, than puts

Call options by funds: $114M | Put options by funds: $43.7M

33% more funds holding

Funds holding: 167 → 222 (+55)

29% more capital invested

Capital invested by funds: $1.31B → $1.69B (+$379M)

29% more funds holding in top 10

Funds holding in top 10: 7 → 9 (+2)

4.25% less ownership

Funds ownership: 97.01% → 92.76% (-4.3%)

11% less repeat investments, than reductions

Existing positions increased: 58 | Existing positions reduced: 65

Holders
222
Holders Change
+55
Holders Change %
+32.93%
% of All Funds
3.21%
Holding in Top 10
9
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+28.57%
% of All Funds
0.13%
New
74
Increased
58
Reduced
65
Closed
18
Calls
$114M
Puts
$43.7M
Net Calls
+$70M
Net Calls Change
+$56.7M

Top Buyers

1
Loomis, Sayles & Company
Loomis, Sayles & Company
Massachusetts
+$31M
2
DCM
Driehaus Capital Management
Illinois
+$28.7M
3
Fidelity Investments
Fidelity Investments
Massachusetts
+$21.1M
4
American Century Companies
American Century Companies
Missouri
+$15.4M
5
Citadel Advisors
Citadel Advisors
Florida
+$13.6M

Top Sellers

1
KL
KIM LLC
Kansas
-$82.2M
2
HRCM
Hood River Capital Management
Florida
-$36.3M
3
Ameriprise
Ameriprise
Minnesota
-$23.7M
4
AIC
AWM Investment Company
New York
-$18.5M
5
VOYA Investment Management
VOYA Investment Management
Georgia
-$18.4M
Name Holding Trade Value Shares
Change 		Change in
Stake
KL
1
KIM LLC
Kansas
$293M -$82.2M -3,500,000 -22%
BlackRock
2
BlackRock
New York
$107M +$10.1M +429,479 +11%
Vanguard Group
3
Vanguard Group
Pennsylvania
$95.8M +$9.29M +395,690 +11%
OCMI
4
Oaktop Capital Management II
New Jersey
$79.7M – – –
Fidelity Investments
5
Fidelity Investments
Massachusetts
$78.2M +$21.1M +899,168 +38%
GKFF
6
George Kaiser Family Foundation
Oklahoma
$75.5M – – –
NIM
7
Needham Investment Management
New York
$54.8M -$16.5M -702,471 -23%
DCM
8
Driehaus Capital Management
Illinois
$51.4M +$28.7M +1,220,724 +130%
ECA
9
Encompass Capital Advisors
New York
$46.5M -$5.43M -231,339 -11%
HRCM
10
Hood River Capital Management
Florida
$41.8M -$36.3M -1,547,924 -47%
FCM
11
Frontier Capital Management
Massachusetts
$41.6M -$7.69M -327,428 -16%
TAM
12
Telemark Asset Management
Massachusetts
$35.6M – – –
State Street
13
State Street
Massachusetts
$33.4M +$438K +18,639 +1%
Dimensional Fund Advisors
14
Dimensional Fund Advisors
Texas
$32.8M +$5.66M +240,921 +21%
Loomis, Sayles & Company
15
Loomis, Sayles & Company
Massachusetts
$31.5M +$31M +1,319,244 New
Geode Capital Management
16
Geode Capital Management
Massachusetts
$31.3M +$3.03M +128,918 +11%
RA
17
Royce & Associates
New York
$29.6M -$9.6M -408,807 -25%
AIC
18
AWM Investment Company
New York
$28.3M -$18.5M -789,637 -40%
SM
19
Samjo Management
New York
$24.8M -$14.5M -619,275 -37%
Federated Hermes
20
Federated Hermes
Pennsylvania
$23.8M -$3.65M -155,442 -13%
UM
21
UniSuper Management
Australia
$22.8M -$3.02M -128,449 -12%
American Century Companies
22
American Century Companies
Missouri
$18.4M +$15.4M +654,350 +562%
Ameriprise
23
Ameriprise
Minnesota
$15.3M -$23.7M -1,010,573 -61%
Citadel Advisors
24
Citadel Advisors
Florida
$15M +$13.6M +578,280 +1,106%
D.E. Shaw & Co
25
D.E. Shaw & Co
New York
$12.9M +$12.7M +541,505 New
1
2 3 4 5

ASPN Hedge Fund Activity: Q2 2024 in Review

222 of the 6,924 institutional investors tracked by Wall St. Rank reported a position in Aspen Aerogels (ASPN) for Q2 2024, worth a combined $1.69B — up 29% from $1.31B a quarter earlier.

Buyers outnumbered sellers: 74 funds opened new ASPN positions and 18 closed out — a net gain of 56 holders — while 58 added to existing stakes and 65 trimmed.

The largest buyer was Loomis, Sayles & Company, opening a new position worth an estimated $31M. The largest seller was KIM LLC, cutting an estimated $82.2M.

  • 222 institutional investors held Aspen Aerogels (ASPN) as of Q2 2024, up from 167 in Q1 2024.
  • Funds reported $1.69B of Aspen Aerogels stock for Q2 2024, up 29% quarter-over-quarter.
  • 74 funds opened new Aspen Aerogels positions in Q2 2024 and 18 closed out, a net change of +56 holders.
  • The largest Aspen Aerogels buyer in Q2 2024 was Loomis, Sayles & Company, an estimated $31M added.
  • The largest Aspen Aerogels seller in Q2 2024 was KIM LLC, an estimated $82.2M sold.

Based on aggregated 13F filings for Q2 2024.