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PLUG POWER INC COM
PLUG POWER INC COM. Institutional holdings reported to the SEC.

Institutional Holders (2014Q4)
Portfolio Summary: 145 Institutional holders with a total value of $115,837,231.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 VANGUARD GROUP INC 4,685,445 14,057,000 12.14%
2 BlackRock Fund Advisors 4,099,293 12,298,000 10.62%
3 BlackRock Institutional Trust Company, N.A. 3,256,690 9,770,000 8.43%
4 STATE STREET CORP 2,486,054 7,459,000 6.44%
5 Raging Capital Management, LLC 1,675,600 5,027,000 4.34%
6 NORTHERN TRUST CORP 1,646,130 4,939,000 4.26%
7 SUSQUEHANNA INTERNATIONAL GROUP, LLP 1,334,900 4,005,000 3.46% Put
8 Invesco Ltd. 1,217,577 3,653,000 3.15%
9 CITIGROUP INC 911,000 2,733,000 2.36% Put
10 Parallax Volatility Advisers, L.P. 891,800 2,675,000 2.31% Call
11 SUSQUEHANNA INTERNATIONAL GROUP, LLP 890,489 2,671,000 2.31%
12 GEODE CAPITAL MANAGEMENT, LLC 872,681 2,617,000 2.26%
13 CITIGROUP INC 869,411 2,608,000 2.25%
14 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 778,800 2,477,000 2.14%
15 SUSQUEHANNA INTERNATIONAL GROUP, LLP 741,500 2,225,000 1.92% Call
16 Bank of New York Mellon Corp 725,240 2,176,000 1.88%
17 TIAA CREF INVESTMENT MANAGEMENT LLC 675,995 2,028,000 1.75%
18 Spot Trading L.L.C 600,400 1,801,000 1.55% Put
19 BlackRock Investment Management, LLC 522,428 1,567,000 1.35%
20 BANK OF AMERICA CORP /DE/ 491,700 1,475,000 1.27% Call
21 OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) 425,200 1,276,000 1.10%
22 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 417,647 1,253,000 1.08%
23 Seamans Capital Management, LLC 414,900 1,245,000 1.07%
24 BARCLAYS PLC 382,400 1,147,000 0.99% Call
25 Spot Trading L.L.C 319,525 959,000 0.83%
26 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 309,369 928,000 0.80%
27 MORGAN STANLEY 292,093 876,000 0.76%
28 Legal & General Group Plc 284,836 857,000 0.74%
29 GOLDMAN SACHS GROUP INC 262,336 787,000 0.68%
30 FIRST TRUST ADVISORS LP 245,139 735,000 0.63%
31 TEACHERS ADVISORS, LLC 242,323 727,000 0.63%
32 RHUMBLINE ADVISERS 216,055 648,000 0.56%
33 ALLIANCEBERNSTEIN L.P. 207,100 621,000 0.54%
34 DIALECTIC CAPITAL MANAGEMENT, LP 200,000 600,000 0.52% Put
35 DIALECTIC CAPITAL MANAGEMENT, LP 196,782 590,000 0.51%
36 VAN ECK ASSOCIATES CORP 179,366 538,000 0.46%
37 Evercore Wealth Management, LLC 176,600 530,000 0.46%
38 AQR CAPITAL MANAGEMENT LLC 172,100 516,000 0.45%
39 Swiss National Bank 160,100 480,000 0.41%
40 BANK OF AMERICA CORP /DE/ 157,800 473,000 0.41% Put
41 GOLDMAN SACHS GROUP INC 141,400 424,000 0.37% Call
42 MILLENNIUM MANAGEMENT LLC 140,215 421,000 0.36%
43 BARCLAYS PLC 132,700 398,000 0.34% Put
44 Nationwide Fund Advisors 127,354 382,000 0.33%
45 SeaStone Capital Management, L.P. 127,000 381,000 0.33%
46 METROPOLITAN LIFE INSURANCE CO/NY 123,135 369,000 0.32%
47 SeaStone Capital Management, L.P. 122,100 366,000 0.32% Put
48 AMERICAN INTERNATIONAL GROUP, INC. 118,677 356,031 0.31%
49 CREDIT SUISSE AG/ 117,228 351,000 0.30%
50 PARAMETRIC PORTFOLIO ASSOCIATES LLC 115,040 345,000 0.30%
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From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.