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Plug Power

467 hedge funds and large institutions have $1.7B invested in Plug Power in 2026 Q1 according to their latest regulatory filings, with 74 funds opening new positions, 162 increasing their positions, 106 reducing their positions, and 52 closing their positions.

New
Increased
Maintained
Reduced
Closed

209% more call options, than puts

Call options by funds: $78.3M | Put options by funds: $25.3M

53% more repeat investments, than reductions

Existing positions increased: 162 | Existing positions reduced: 106

42% more first-time investments, than exits

New positions opened: 74 | Existing positions closed: 52

33% more capital invested

Capital invested by funds: $1.28B → $1.7B (+$423M)

7.4% more ownership

Funds ownership: 46.7%54.1% (+7.4%)

2% more funds holding

Funds holding: 456467 (+11)

Holders
467
Holders Change
+11
Holders Change %
+2.41%
% of All Funds
5.75%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
74
Increased
162
Reduced
106
Closed
52
Calls
$78.3M
Puts
$25.3M
Net Calls
+$52.9M
Net Calls Change
+$19.3M
Name Holding Trade Value Shares
Change
Change in
Stake
California State Teachers Retirement System (CalSTRS)
51
California State Teachers Retirement System (CalSTRS)
California
$3.53M +$1.06M +488,883 +46%
SFI
52
Susquehanna Fundamental Investments
Pennsylvania
$3.52M +$3.38M +1,557,939 New
MG
53
Marex Group
$3.14M +$2.23M +1,024,903 +280%
T. Rowe Price Associates
54
T. Rowe Price Associates
Maryland
$3.13M +$710K +327,258 +31%
LPL Financial
55
LPL Financial
California
$3M -$939K -432,507 -25%
SSA
56
Schonfeld Strategic Advisors
New York
$2.67M +$1.5M +690,287 +141%
AllianceBernstein
57
AllianceBernstein
Tennessee
$2.63M +$347K +160,051 +14%
VAM
58
Vanguard Asset Management
$2.58M +$2.48M +1,141,013 New
Baird Financial Group
59
Baird Financial Group
Wisconsin
$2.45M -$4.31M -1,985,472 -65%
AG
60
Algert Global
California
$2.32M +$985K +453,510 +79%
CAU
61
Caxton Associates (UK)
$2.3M +$1.71M +786,172 +341%
MCM
62
Masters Capital Management
Georgia
$2.26M
ECM
63
ExodusPoint Capital Management
New York
$2.15M +$1.7M +782,391 +459%
SG Americas Securities
64
SG Americas Securities
New York
$1.95M -$553K -254,863 -23%
Citadel Advisors
65
Citadel Advisors
Florida
$1.94M -$2.84M -1,309,437 -60%
Wells Fargo
66
Wells Fargo
California
$1.85M -$1.61M -741,727 -48%
Mitsubishi UFJ Asset Management
67
Mitsubishi UFJ Asset Management
Japan
$1.83M +$66.2K +30,488 +4%
MIM
68
MetLife Investment Management
New Jersey
$1.63M +$224K +103,071 +17%
SAM
69
Storebrand Asset Management
Norway
$1.59M -$97.6K -44,973 -6%
XT
70
XTX Topco
Cayman Islands
$1.5M +$1.44M +664,889 New
Mercer Global Advisors
71
Mercer Global Advisors
Colorado
$1.47M -$920K -423,771 -39%
Manulife (Manufacturers Life Insurance)
72
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$1.44M +$81.3K +37,428 +6%
Janus Henderson Group
73
Janus Henderson Group
United Kingdom
$1.4M +$397K +183,000 +42%
VGA
74
Vanguard Global Advisers
Pennsylvania
$1.29M +$1.24M +570,036 New
Bank of Montreal
75
Bank of Montreal
Ontario, Canada
$1.27M +$429K +197,766 +54%