EnerSys
375 hedge funds and large institutions have $4.02B invested in EnerSys in 2025 Q3 according to their latest regulatory filings, with 51 funds opening new positions, 132 increasing their positions, 140 reducing their positions, and 40 closing their positions.
598% more call options, than puts
Call options by funds: $8.12M | Put options by funds: $1.16M
50% more funds holding in top 10
Funds holding in top 10: 4 → 6 (+2)
28% more capital invested
Capital invested by funds: $3.14B → $4.02B (+$880M)
28% more first-time investments, than exits
New positions opened: 51 | Existing positions closed: 40
1.67% more ownership
Funds ownership: 93.5% → 95.17% (+1.7%)
2% more funds holding
Funds holding: 369 → 375 (+6)
6% less repeat investments, than reductions
Existing positions increased: 132 | Existing positions reduced: 140
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Millennium Management
New York
|
+$39.4M |
| 2 |
KCM
Kennedy Capital Management
St Louis,
Missouri
|
+$23.7M |
| 3 |
NSCM
New South Capital Management
Memphis,
Tennessee
|
+$15.6M |
| 4 |
AQR Capital Management
Greenwich,
Connecticut
|
+$14.9M |
| 5 |
SCM
Scopia Capital Management
New York
|
+$13M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Janus Henderson Group
London,
|
-$58.7M |
| 2 |
OAM
Ophir Asset Management
Sydney,
Australia
|
-$28.7M |
| 3 |
BlackRock
New York
|
-$20.5M |
| 4 |
Allianz Asset Management
Munich,
Germany
|
-$19.5M |
| 5 |
Vanguard Group
Malvern,
Pennsylvania
|
-$13.5M |
ENS Hedge Fund Activity: Q3 2025 in Review
375 of the 7,639 institutional investors tracked by Wall St. Rank reported a position in EnerSys (ENS) for Q3 2025, worth a combined $4.02B — up 28% from $3.14B a quarter earlier.
Buyers outnumbered sellers: 51 funds opened new ENS positions and 40 closed out — a net gain of 11 holders — while 132 added to existing stakes and 140 trimmed.
The largest buyer was Millennium Management, adding an estimated $39.4M. The largest seller was Janus Henderson Group, cutting an estimated $58.7M.
- 375 institutional investors held EnerSys (ENS) as of Q3 2025, up from 369 in Q2 2025.
- Funds reported $4.02B of EnerSys stock for Q3 2025, up 28% quarter-over-quarter.
- 51 funds opened new EnerSys positions in Q3 2025 and 40 closed out, a net change of +11 holders.
- The largest EnerSys buyer in Q3 2025 was Millennium Management, an estimated $39.4M added.
- The largest EnerSys seller in Q3 2025 was Janus Henderson Group, an estimated $58.7M sold.
Based on aggregated 13F filings for Q3 2025.