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Plug Power
PLUG

511 hedge funds and large institutions have $2.2B invested in Plug Power in 2026 Q2 according to their latest regulatory filings, with 88 funds opening new positions, 182 increasing their positions, 109 reducing their positions, and 44 closing their positions.

New
Increased
Maintained
Reduced
Closed

132% more call options, than puts

Call options by funds: $81M | Put options by funds: $34.8M

100% more first-time investments, than exits

New positions opened: 88 | Existing positions closed: 44

67% more repeat investments, than reductions

Existing positions increased: 182 | Existing positions reduced: 109

29% more capital invested

Capital invested by funds: $1.7B → $2.2B (+$500M)

8% more funds holding

Funds holding: 472 → 511 (+39)

4.25% more ownership

Funds ownership: 54.14% → 58.39% (+4.3%)

Holders
511
Holders Change
+39
Holders Change %
+8.26%
% of All Funds
6.12%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
88
Increased
182
Reduced
109
Closed
44
Calls
$81M
Puts
$34.8M
Net Calls
+$46.1M
Net Calls Change
-$6.8M

Top Buyers

Rank Fund Capital Flow
1
BlackRock
BlackRock
New York
+$100M
2
Citadel Advisors
Citadel Advisors
Florida
+$73.2M
3
Handelsbanken Fonder
Handelsbanken Fonder
Sweden
+$48.8M
4
Vanguard Portfolio Management
Vanguard Portfolio Management
Pennsylvania
+$20.6M
5
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
+$17.2M

Top Sellers

Rank Fund Capital Flow
1
D.E. Shaw & Co
D.E. Shaw & Co
New York
-$84.9M
2
Renaissance Technologies
Renaissance Technologies
New York
-$50.1M
3
HF
HRT Financial
New York
-$26.8M
4
UBS Group
UBS Group
Switzerland
-$26.6M
5
Two Sigma Investments
Two Sigma Investments
New York
-$15M

PLUG Hedge Fund Activity: Q2 2026 in Review

511 of the 8,346 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: 88 funds opened new PLUG positions and 44 closed out — a net gain of 44 holders — while 182 added to existing stakes and 109 trimmed.

The largest buyer was BlackRock, adding an estimated $100M. The largest seller was D.E. Shaw & Co, cutting an estimated $84.9M.

  • 511 institutional investors held Plug Power (PLUG) as of Q2 2026, up from 472 in Q1 2026.
  • Funds reported $2.2B of Plug Power stock for Q2 2026, up 29% quarter-over-quarter.
  • 88 funds opened new Plug Power positions in Q2 2026 and 44 closed out, a net change of +44 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.