Plug Power
PLUG
507 hedge funds and large institutions have $2.2B invested in Plug Power in 2026 Q2 according to their latest regulatory filings, with 87 funds opening new positions, 183 increasing their positions, 108 reducing their positions, and 44 closing their positions.
132% more call options, than puts
Call options by funds: $81M | Put options by funds: $34.8M
98% more first-time investments, than exits
New positions opened: 87 | Existing positions closed: 44
69% more repeat investments, than reductions
Existing positions increased: 183 | Existing positions reduced: 108
29% more capital invested
Capital invested by funds: $1.7B → $2.2B (+$500M)
8% more funds holding
Funds holding: 471 → 507 (+36)
4.25% more ownership
Funds ownership: 54.13% → 58.39% (+4.3%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
+$100M |
| 2 |
Citadel Advisors
Miami,
Florida
|
+$73.2M |
| 3 |
Handelsbanken Fonder
Stockholm,
Sweden
|
+$48.8M |
| 4 |
Vanguard Portfolio Management
Malvern,
Pennsylvania
|
+$20.6M |
| 5 |
T. Rowe Price Associates
Baltimore,
Maryland
|
+$17.2M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
D.E. Shaw & Co
New York
|
-$84.9M |
| 2 |
Renaissance Technologies
New York
|
-$50.1M |
| 3 |
HF
HRT Financial
New York
|
-$26.8M |
| 4 |
UBS Group
Zurich,
Switzerland
|
-$26.6M |
| 5 |
Two Sigma Investments
New York
|
-$15M |
PLUG Hedge Fund Activity: Q2 2026 in Review
507 of the 8,305 institutional investors tracked by Wall St. Rank reported a position in Plug Power (PLUG) for Q2 2026, worth a combined $2.2B — up 29% from $1.7B a quarter earlier.
Buyers outnumbered sellers: 87 funds opened new PLUG positions and 44 closed out — a net gain of 43 holders — while 183 added to existing stakes and 108 trimmed.
The largest buyer was BlackRock, adding an estimated $100M. The largest seller was D.E. Shaw & Co, cutting an estimated $84.9M.
- 507 institutional investors held Plug Power (PLUG) as of Q2 2026, up from 471 in Q1 2026.
- Funds reported $2.2B of Plug Power stock for Q2 2026, up 29% quarter-over-quarter.
- 87 funds opened new Plug Power positions in Q2 2026 and 44 closed out, a net change of +43 holders.
- The largest Plug Power buyer in Q2 2026 was BlackRock, an estimated $100M added.
- The largest Plug Power seller in Q2 2026 was D.E. Shaw & Co, an estimated $84.9M sold.
Based on aggregated 13F filings for Q2 2026.