PLUG POWER INC

Ticker: PLUG CUSIP: 72919P202 Class: Common Stock

Note: Option positions (PUT/CALL) are excluded.

InstitutionSharesValue ($000)
VANGUARD GROUP INC129,599,295$255,311
BlackRock, Inc.117,184,111$230,853
STATE STREET CORP32,258,283$63,549
GEODE CAPITAL MANAGEMENT, LLC31,268,670$61,611
TWO SIGMA INVESTMENTS, LP28,371,995$55,893
UBS Group AG25,474,861$50,185
D. E. Shaw & Co., Inc.22,111,898$43,560
MORGAN STANLEY14,679,617$28,919
RENAISSANCE TECHNOLOGIES LLC14,052,600$27,684
JANE STREET GROUP, LLC11,234,464$22,132
TWO SIGMA ADVISERS, LP11,018,584$21,707
CHARLES SCHWAB INVESTMENT MANAGEMENT INC10,986,091$21,643
Invesco Ltd.10,291,428$20,274
NORTHERN TRUST CORP9,973,389$19,648
Nuveen, LLC9,256,428$18,235
Legal & General Group Plc9,232,431$18,188
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.8,772,273$17,249
GOLDMAN SACHS GROUP INC8,608,174$16,958
FMR LLC7,975,021$15,711
MILLENNIUM MANAGEMENT LLC6,965,714$13,722
BANK OF AMERICA CORP /DE/6,091,086$11,999
Point72 Asset Management, L.P.5,951,138$11,724
DIMENSIONAL FUND ADVISORS LP5,314,297$10,469
SUSQUEHANNA INTERNATIONAL GROUP, LLP5,211,698$10,267
FIRST TRUST ADVISORS LP5,067,762$9,983
VAN ECK ASSOCIATES CORP4,362,505$9
Voya Investment Management LLC3,719,037$7,327
UBS ASSET MANAGEMENT AMERICAS INC3,681,092$7,252
BNP PARIBAS ARBITRAGE, SA3,675,646$7,241
Bank of New York Mellon Corp3,622,676$7,137
CITIGROUP INC3,460,604$6,817
Amundi3,070,072$6,048
Baird Financial Group, Inc.3,069,719$6,047
AMERICAN CENTURY COMPANIES INC3,008,899$5,928
STIFEL FINANCIAL CORP2,937,742$5,787
JPMORGAN CHASE & CO2,909,306$5,731
Vontobel Holding Ltd.2,539,926$5,004
GREAT WEST LIFE ASSURANCE CO /CAN/2,436,271$5
PINNACLE ASSOCIATES LTD2,297,851$4,527
Swiss National Bank2,216,388$4,366
CITADEL ADVISORS LLC2,168,121$4,271
Handelsbanken Fonder AB1,987,188$4
ALPS ADVISORS INC1,983,911$3,908
BARCLAYS PLC1,964,774$3,871
LPL Financial LLC1,759,749$3,467
Zurcher Kantonalbank (Zurich Cantonalbank)1,715,056$3,379
RHUMBLINE ADVISERS1,693,644$3,336
WELLS FARGO & COMPANY/MN1,560,186$3,074
DEUTSCHE BANK AG\1,300,903$2,563
Voleon Capital Management LP1,294,944$2,551
ALLIANCEBERNSTEIN L.P.1,172,640$2,310
MARSHALL WACE, LLP1,129,352$2,225
SG Americas Securities, LLC1,119,191$2
Quadrature Capital Ltd1,102,923$2,173
MERCER GLOBAL ADVISORS INC /ADV1,075,065$2,118
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM1,071,422$2,111
PRICE T ROWE ASSOCIATES INC /MD/1,058,016$2
MASTERS CAPITAL MANAGEMENT LLC1,000,000$1,970
Lighthouse Investment Partners, LLC965,000$1,901
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.781,452$1,743
Graham Capital Management, L.P.737,112$1,452
HSBC HOLDINGS PLC719,989$1,418
Cerity Partners LLC711,688$1,402
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND700,000$1,379
MetLife Investment Management, LLC618,105$1,218
PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C.610,000$1,202
MANUFACTURERS LIFE INSURANCE COMPANY, THE601,501$1,185
ALGERT GLOBAL LLC571,570$1
BANCO BILBAO VIZCAYA ARGENTARIA, S.A.550,384$1,097
Mirae Asset Global Investments Co., Ltd.526,914$1,038
Toroso Investments, LLC510,569$1,006
KIECKHEFER GROUP LLC500,000$985
Schonfeld Strategic Advisors LLC490,983$967
KBC Group NV477,629$1
K2 PRINCIPAL FUND, L.P.450,000$887
Compagnie Lombard Odier SCmA440,000$867
JANUS HENDERSON GROUP PLC438,428$866
1492 Capital Management LLC405,700$799
Altshuler Shaham Ltd400,000$414
INTECH INVESTMENT MANAGEMENT LLC396,291$781
Bridgewater Associates, LP377,552$744
Leonteq Securities AG372,496$734
NATIONAL BANK OF CANADA /FI/371,500$732
Marex Group plc366,065$721
BANK OF MONTREAL /CAN/363,020$715
NEW YORK STATE COMMON RETIREMENT FUND347,173$684
Bouvel Investment Partners, LLC346,556$683
Arizona State Retirement System313,465$618
Police & Firemen's Retirement System of New Jersey305,933$603
DUFF & PHELPS INVESTMENT MANAGEMENT CO290,110$572
GSA CAPITAL PARTNERS LLP286,429$1
ProShare Advisors LLC282,557$557
Creative Planning281,880$555
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt276,805$556
ODDO BHF ASSET MANAGEMENT SAS273,889$540
Centiva Capital, LP272,625$537
J. Derek Lewis & Associates Inc.271,555$535
COMMONWEALTH EQUITY SERVICES, LLC271,463$535
ROYAL BANK OF CANADA260,452$513
Mariner, LLC256,957$506
348 other institutions12,140,636$22,920
Total (448 institutions)651,048,560$1,257,198