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AMPS

Altus Power
AMPS

Delisted

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

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50 hedge funds and large institutions have $541M invested in Altus Power in 2021 Q4 according to their latest regulatory filings, with 32 funds opening new positions, 7 increasing their positions, 7 reducing their positions, and 51 closing their positions.

New
Increased
Maintained
Reduced
Closed

438% more call options, than puts

Call options by funds: $3.53M | Put options by funds: $656K

200% more funds holding in top 10

Funds holding in top 10: 1 → 3 (+2)

65% more capital invested

Capital invested by funds: $328M → $541M (+$213M)

0% more repeat investments, than reductions

Existing positions increased: 7 | Existing positions reduced: 7

30% less funds holding

Funds holding: 71 → 50 (-21)

37% less first-time investments, than exits

New positions opened: 32 | Existing positions closed: 51

Holders
50
Holders Change
-21
Holders Change %
-29.58%
% of All Funds
0.77%
Holding in Top 10
3
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+200%
% of All Funds
0.05%
New
32
Increased
7
Reduced
7
Closed
51
Calls
$3.53M
Puts
$656K
Net Calls
+$2.87M
Net Calls Change
+$2.82M

Top Buyers

Rank Fund Capital Flow
1
Blackstone Inc
Blackstone Inc
New York
+$292M
2
VH
ValueAct Holdings
California
+$40.5M
3
LMGAM
Liberty Mutual Group Asset Management
Massachusetts
+$30.4M
4
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
+$23.8M
5
TAM
Telemark Asset Management
Massachusetts
+$20.2M

Top Sellers

Rank Fund Capital Flow
1
ECP
Empyrean Capital Partners
California
-$30.4M
2
Millennium Management
Millennium Management
New York
-$16.8M
3
HSBC Holdings
HSBC Holdings
United Kingdom
-$14.8M
4
WAM
Weiss Asset Management
Massachusetts
-$14.4M
5
ACA
Arena Capital Advisors
California
-$13.8M
Name Holding Trade Value Shares
Change 		Change in
Stake
WRBC
76
W.R. Berkley Corp
Connecticut
– -$2.47M -249,122 Closed
RCM
77
Radcliffe Capital Management
Pennsylvania
– -$2.43M -244,488 Closed
D.E. Shaw & Co
78
D.E. Shaw & Co
New York
– -$2.38M -239,715 Closed
Capstone Investment Advisors
79
Capstone Investment Advisors
New York
– -$1.99M -200,000 Closed
TCA
80
Taconic Capital Advisors
New York
– -$1.77M -178,300 Closed
CCA
81
Castle Creek Arbitrage
Colorado
– -$1.49M -150,000 Closed
DKCM
82
Davidson Kempner Capital Management
New York
– -$1.49M -150,000 Closed
SSA
83
Schonfeld Strategic Advisors
New York
– -$1.45M -145,799 Closed
Deutsche Bank
84
Deutsche Bank
Germany
– -$1.4M -141,432 Closed
AC
85
Antara Capital
New York
– -$993K -100,000 Closed
ZDA
86
Zweig-DiMenna Associates
New York
– -$993K -100,000 Closed
Goldman Sachs
87
Goldman Sachs
New York
– -$826K -83,143 Closed
CCM
88
CAAS Capital Management
New York
– -$799K -80,500 Closed
SCM
89
Segantii Capital Management
Hong Kong
– -$768K -77,300 Closed
LCM
90
Landscape Capital Management
New Jersey
– -$719K -72,447 Closed
CL
91
CSS LLC
Illinois
– -$559K -56,209 Closed
TAL
92
TIG Advisors LLC
New York
– -$530K -53,328 Closed
JP Morgan Chase
93
JP Morgan Chase
New York
– -$498K -50,152 Closed
DAM
94
Deltec Asset Management
New York
– -$496K -50,000 Closed
NAM
95
Nexpoint Asset Management
Texas
– -$453K -45,628 Closed
LP
96
LMR Partners
United Kingdom
– -$272K -27,435 Closed
Susquehanna International Group
97
Susquehanna International Group
Pennsylvania
– -$242K -23,937 Closed
AMC
98
Asset Management Corp
Illinois
– -$199K -20,001 Closed
BFM
99
Boothbay Fund Management
New York
– -$199K -20,000 Closed
Royal Bank of Canada
100
Royal Bank of Canada
Ontario, Canada
– -$25K -2,500 Closed
1 2 3
4
5

AMPS Hedge Fund Activity: Q4 2021 in Review

50 of the 6,498 institutional investors tracked by Wall St. Rank reported a position in Altus Power (AMPS) for Q4 2021, worth a combined $541M — up 65% from $328M a quarter earlier.

Sellers outnumbered buyers: 51 funds closed out of AMPS and 32 opened new positions — a net loss of 19 holders — while 7 trimmed existing stakes and 7 added.

The largest buyer was Blackstone Inc, opening a new position worth an estimated $292M. The largest seller was Empyrean Capital Partners, exiting entirely with an estimated $30.4M sold.

  • 50 institutional investors held Altus Power (AMPS) as of Q4 2021, down from 71 in Q3 2021.
  • Funds reported $541M of Altus Power stock for Q4 2021, up 65% quarter-over-quarter.
  • 32 funds opened new Altus Power positions in Q4 2021 and 51 closed out, a net change of -19 holders.
  • The largest Altus Power buyer in Q4 2021 was Blackstone Inc, an estimated $292M added.
  • The largest Altus Power seller in Q4 2021 was Empyrean Capital Partners, an estimated $30.4M sold.

Based on aggregated 13F filings for Q4 2021.