We are live on ! Find out more
AMPS

Altus Power
AMPS

Delisted

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

Back to rankings

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
MAMNY
76
Marathon Asset Management (New York)
New York
– -$5.63M -580,000 Closed
HP
77
Hartree Partners
New York
– -$3.88M -400,000 Closed
SCC
78
Spring Creek Capital
Kansas
– -$3.88M -400,000 Closed
HighTower Advisors
79
HighTower Advisors
Illinois
– -$2.86M -293,722 Closed
PMAM
80
Picton Mahoney Asset Management
Ontario, Canada
– -$1.94M -200,000 Closed
CC
81
Centiva Capital
New York
– -$1.93M -198,586 Closed
BCM
82
Basswood Capital Management
New York
– -$1.66M -170,786 Closed
CM
83
Cohanzick Management
New York
– -$1.41M -145,000 Closed
CAC
84
Cowen and Company
New York
– -$1.3M -134,075 Closed
PSAMP
85
P. Schoenfeld Asset Management (PSAM)
New York
– -$1.21M -124,648 Closed
HCM
86
HGI Capital Management
New York
– -$948K -97,616 Closed
DAM
87
DLD Asset Management
New York
– -$728K -75,000 Closed
DC
88
Dendur Capital
New York
– -$490K -50,414 Closed
MS
89
Maven Securities
Jersey
– -$488K -50,000 Closed
AA
90
AQR Arbitrage
Connecticut
– -$373K -38,457 Closed
RA
91
RiverPark Advisors
New York
– -$302K -31,106 Closed
Qube Research & Technologies (QRT)
92
Qube Research & Technologies (QRT)
United Kingdom
– -$139K -14,342 Closed
AA
93
Ancora Advisors
Ohio
– -$10K -1,000 Closed
1 2 3
4

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.