Altus Power
AMPS
AMPS was delisted on the 15th of April, 2025.
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.
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)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
KCM
Kensico Capital Management
Greenwich,
Connecticut
|
+$19.8M |
| 2 |
ACA
Arena Capital Advisors
Los Angeles,
California
|
+$13.8M |
| 3 |
MF
Magnetar Financial
Evanston,
Illinois
|
+$12.7M |
| 4 |
MWNA
Marshall Wace North America
New York
|
+$11.2M |
| 5 |
FBCM
Fort Baker Capital Management
Larkspur,
California
|
+$10.5M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AC
Aristeia Capital
Greenwich,
Connecticut
|
-$15.4M |
| 2 |
PAMP
Polar Asset Management Partners
Toronto,
Ontario, Canada
|
-$12.1M |
| 3 |
Citadel Advisors
Miami,
Florida
|
-$10.2M |
| 4 |
Blackstone Inc
New York
|
-$9.31M |
| 5 |
Hudson Bay Capital Management
Stamford,
Connecticut
|
-$7.49M |
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.