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AMERICAN SUPERCONDUCTOR CORPOR
AMERICAN SUPERCONDUCTOR CORPOR. Institutional holdings reported to the SEC.

Institutional Holders (2015Q4)
Portfolio Summary: 60 Institutional holders with a total value of $19,472,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 AWM Investment Company, Inc. 1,377,838 8,777,000 45.07%
2 VANGUARD GROUP INC 383,470 2,442,000 12.54%
3 RENAISSANCE TECHNOLOGIES LLC 288,688 1,839,000 9.44%
4 BlackRock Institutional Trust Company, N.A. 190,786 1,215,000 6.24%
5 SUSQUEHANNA INTERNATIONAL GROUP, LLP 114,028 726,000 3.73%
6 ROYAL BANK OF CANADA 87,342 556,000 2.86%
7 GEODE CAPITAL MANAGEMENT, LLC 70,216 447,000 2.30%
8 Bank of New York Mellon Corp 54,737 348,000 1.79%
9 Longbow Capital Partners, L.P. 44,538 284,000 1.46%
10 SUSQUEHANNA INTERNATIONAL GROUP, LLP 44,100 281,000 1.44% Put
11 BlackRock Fund Advisors 32,557 207,000 1.06%
12 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 31,370 200,000 1.03%
13 PRELUDE CAPITAL MANAGEMENT, LLC 30,448 194,000 1.00%
14 DIMENSIONAL FUND ADVISORS LP 28,781 183,000 0.94%
15 IRONWOOD INVESTMENT MANAGEMENT LLC 25,052 160,000 0.82%
16 SUSQUEHANNA INTERNATIONAL GROUP, LLP 24,200 154,000 0.79% Call
17 NORTHERN TRUST CORP 20,034 128,000 0.66%
18 GOLDMAN SACHS GROUP INC 19,700 125,000 0.64% Call
19 Walleye Trading LLC 19,115 122,000 0.63%
20 GOLDMAN SACHS GROUP INC 18,017 115,000 0.59%
21 MORGAN STANLEY 16,801 107,000 0.55%
22 Spot Trading L.L.C 16,200 103,000 0.53% Call
23 FIRST MANHATTAN CO. LLC. 15,619 99,000 0.51%
24 GOLDMAN SACHS GROUP INC 14,600 93,000 0.48% Put
25 Connor, Clark & Lunn Investment Management Ltd. 14,205 90,000 0.46%
26 BARCLAYS PLC 15,000 90,000 0.46% Call
27 JACOBS LEVY EQUITY MANAGEMENT, INC 13,880 88,000 0.45%
28 MILLENNIUM MANAGEMENT LLC 10,947 70,000 0.36%
29 Spot Trading L.L.C 10,000 64,000 0.33% Put
30 UBS Group AG 9,670 62,000 0.32%
31 FineMark National Bank & Trust 5,000 32,000 0.16%
32 SIMPLEX TRADING, LLC 2,564 16,000 0.08%
33 Tower Research Capital LLC (TRC) 1,933 13,000 0.07%
34 BlackRock Investment Management, LLC 1,959 12,000 0.06%
35 Walleye Trading LLC 1,500 9,000 0.05% Call
36 BARCLAYS PLC 1,000 6,000 0.03% Put
37 LORING WOLCOTT & COOLIDGE FIDUCIARY ADVISORS LLP/MA 697 4,000 0.02%
38 Capital Advisors, Ltd. LLC 263 2,000 0.01%
39 JPMORGAN CHASE & CO 368 2,000 0.01%
40 AMERICAN INTERNATIONAL GROUP, INC. 100 1,000 0.01%
41 MANUFACTURERS LIFE INSURANCE COMPANY, THE 228 1,000 0.01%
42 MUFG Americas Holdings Corp 200 1,000 0.01%
43 CITIGROUP INC 202 1,000 0.01%
44 WELLS FARGO & COMPANY/MN 242 1,000 0.01%
45 PNC FINANCIAL SERVICES GROUP, INC. 150 1,000 0.01%
46 Vigilant Capital Management, LLC 126 1,000 0.01%
47 HUNTINGTON NATIONAL BANK 47 0 0.00%
48 Advisory Services Network, LLC 10 0 0.00%
49 US BANCORP \DE\ 50 0 0.00%
50 IFP ADVISORS, INC 30 0 0.00%
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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.