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AMPS

Altus Power
AMPS

Delisted

AMPS was delisted on the 15th of April, 2025.

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71 hedge funds and large institutions have $328M invested in Altus Power in 2021 Q3 according to their latest regulatory filings, with 26 funds opening new positions, 16 increasing their positions, 15 reducing their positions, and 24 closing their positions.

New
Increased
Maintained
Reduced
Closed

13% more capital invested

Capital invested by funds: $291M → $328M (+$37M)

3% more funds holding

Funds holding: 69 → 71 (+2)

8% more first-time investments, than exits

New positions opened: 26 | Existing positions closed: 24

7% more repeat investments, than reductions

Existing positions increased: 16 | Existing positions reduced: 15

0% more funds holding in top 10

Funds holding in top 10: 1 → 1 (0)

Holders
71
Holders Change
+2
Holders Change %
+2.9%
% of All Funds
1.24%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.02%
New
26
Increased
16
Reduced
15
Closed
24
Calls
$53K
Puts
–
Net Calls
+$53K
Net Calls Change
+$53K

Top Buyers

Rank Fund Capital Flow
1
KCM
Kensico Capital Management
Connecticut
+$19.8M
2
ACA
Arena Capital Advisors
California
+$13.8M
3
MF
Magnetar Financial
Illinois
+$12.7M
4
MWNA
Marshall Wace North America
New York
+$11.2M
5
FBCM
Fort Baker Capital Management
California
+$10.5M

Top Sellers

Rank Fund Capital Flow
1
AC
Aristeia Capital
Connecticut
-$15.4M
2
PAMP
Polar Asset Management Partners
Ontario, Canada
-$12.1M
3
Citadel Advisors
Citadel Advisors
Florida
-$10.2M
4
Blackstone Inc
Blackstone Inc
New York
-$9.31M
5
Hudson Bay Capital Management
Hudson Bay Capital Management
Connecticut
-$7.49M
Name Holding Trade Value Shares
Change 		Change in
Stake
KC
26
Kepos Capital
New York
$4.47M +$4.46M +450,000 New
PC
27
Periscope Capital
Ontario, Canada
$4.29M -$3.64M -367,613 -46%
AC
28
Aristeia Capital
Connecticut
$3.59M -$15.4M -1,553,316 -81%
Hudson Bay Capital Management
29
Hudson Bay Capital Management
Connecticut
$3.41M -$7.49M -756,250 -69%
EAM
30
Exos Asset Management
New York
$2.98M +$2.97M +300,000 New
TCM
31
Tenor Capital Management
New York
$2.77M +$2.76M +278,704 New
Verition Fund Management
32
Verition Fund Management
Connecticut
$2.75M +$578K +58,326 +27%
DCM
33
Dupont Capital Management
Delaware
$2.48M – – –
WRBC
34
W.R. Berkley Corp
Connecticut
$2.47M +$2.22M +224,274 +903%
RCM
35
Radcliffe Capital Management
Pennsylvania
$2.43M -$207K -20,937 -8%
D.E. Shaw & Co
36
D.E. Shaw & Co
New York
$2.38M +$63.1K +6,366 +3%
Capstone Investment Advisors
37
Capstone Investment Advisors
New York
$1.99M +$1.98M +200,000 New
TCA
38
Taconic Capital Advisors
New York
$1.77M – – –
CCA
39
Castle Creek Arbitrage
Colorado
$1.49M – – –
DKCM
40
Davidson Kempner Capital Management
New York
$1.49M +$1.49M +150,000 New
SSA
41
Schonfeld Strategic Advisors
New York
$1.45M +$1.02M +102,749 +239%
Deutsche Bank
42
Deutsche Bank
Germany
$1.4M -$1.08M -108,568 -43%
WAM
43
Wolverine Asset Management
Illinois
$1.04M -$206K -20,839 -17%
AC
44
Antara Capital
New York
$993K +$991K +100,000 New
ZDA
45
Zweig-DiMenna Associates
New York
$993K +$991K +100,000 New
Goldman Sachs
46
Goldman Sachs
New York
$826K -$2.89M -291,992 -78%
CCM
47
CAAS Capital Management
New York
$799K -$495K -50,000 -38%
SCM
48
Segantii Capital Management
Hong Kong
$768K – – –
LCM
49
Landscape Capital Management
New Jersey
$719K +$718K +72,447 New
CL
50
CSS LLC
Illinois
$559K -$349K -35,208 -39%
1
2
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AMPS Hedge Fund Activity: Q3 2021 in Review

71 of the 5,712 institutional investors tracked by Wall St. Rank reported a position in Altus Power (AMPS) for Q3 2021, worth a combined $328M — up 13% from $291M a quarter earlier.

Buyers outnumbered sellers: 26 funds opened new AMPS positions and 24 closed out — a net gain of 2 holders — while 16 added to existing stakes and 15 trimmed.

The largest buyer was Kensico Capital Management, opening a new position worth an estimated $19.8M. The largest seller was Aristeia Capital, cutting an estimated $15.4M.

  • 71 institutional investors held Altus Power (AMPS) as of Q3 2021, up from 69 in Q2 2021.
  • Funds reported $328M of Altus Power stock for Q3 2021, up 13% quarter-over-quarter.
  • 26 funds opened new Altus Power positions in Q3 2021 and 24 closed out, a net change of +2 holders.
  • The largest Altus Power buyer in Q3 2021 was Kensico Capital Management, an estimated $19.8M added.
  • The largest Altus Power seller in Q3 2021 was Aristeia Capital, an estimated $15.4M sold.

Based on aggregated 13F filings for Q3 2021.