Plug Power
PLUG
457 hedge funds and large institutions have $1.28B invested in Plug Power in 2025 Q4 according to their latest regulatory filings, with 80 funds opening new positions, 156 increasing their positions, 102 reducing their positions, and 69 closing their positions.
72% more call options, than puts
Call options by funds: $80.3M | Put options by funds: $46.7M
53% more repeat investments, than reductions
Existing positions increased: 156 | Existing positions reduced: 102
16% more first-time investments, than exits
New positions opened: 80 | Existing positions closed: 69
3% more capital invested
Capital invested by funds: $1.25B → $1.28B (+$32.5M)
0.51% more ownership
Funds ownership: 46.18% → 46.69% (+0.51%)
0% more funds holding
Funds holding: 455 → 457 (+2)
100% less funds holding in top 10
Funds holding in top 10: 1 → 0 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Vanguard Group
Malvern,
Pennsylvania
|
+$52.1M |
| 2 |
BlackRock
New York
|
+$45.9M |
| 3 |
Two Sigma Investments
New York
|
+$45.8M |
| 4 |
Renaissance Technologies
New York
|
+$36.7M |
| 5 |
Morgan Stanley
New York
|
+$25.2M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Goldman Sachs
New York
|
-$40.6M |
| 2 |
HF
HRT Financial
New York
|
-$25.3M |
| 3 |
Legal & General Group
London,
United Kingdom
|
-$22.1M |
| 4 |
ECP
Electron Capital Partners
New York
|
-$10.7M |
| 5 |
Coatue Management
New York
|
-$9.55M |
PLUG Hedge Fund Activity: Q4 2025 in Review
457 of the 8,265 institutional investors tracked by Wall St. Rank reported a position in Plug Power (PLUG) for Q4 2025, worth a combined $1.28B — up 2.6% from $1.25B a quarter earlier.
Buyers outnumbered sellers: 80 funds opened new PLUG positions and 69 closed out — a net gain of 11 holders — while 156 added to existing stakes and 102 trimmed.
The largest buyer was Vanguard Group, adding an estimated $52.1M. The largest seller was Goldman Sachs, cutting an estimated $40.6M.
- 457 institutional investors held Plug Power (PLUG) as of Q4 2025, up from 455 in Q3 2025.
- Funds reported $1.28B of Plug Power stock for Q4 2025, up 2.6% quarter-over-quarter.
- 80 funds opened new Plug Power positions in Q4 2025 and 69 closed out, a net change of +11 holders.
- The largest Plug Power buyer in Q4 2025 was Vanguard Group, an estimated $52.1M added.
- The largest Plug Power seller in Q4 2025 was Goldman Sachs, an estimated $40.6M sold.
Based on aggregated 13F filings for Q4 2025.