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ABIOMED INC
ABIOMED INC. Institutional holdings reported to the SEC.

Institutional Holders (2014Q2)
Portfolio Summary: 141 Institutional holders with a total value of $1,190,056,988.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 PRIMECAP MANAGEMENT CO/CA/ 5,726,490 143,964,000 12.10%
2 Jackson Square Partners, LLC 4,719,599 118,650,000 9.97%
3 MACQUARIE GROUP LTD 3,496,853 87,911,000 7.39%
4 Essex Woodlands Management, Inc. 3,150,000 79,191,000 6.65%
5 BLAIR WILLIAM & CO/IL 2,651,412 66,656,000 5.60%
6 WELLINGTON MANAGEMENT GROUP LLP 2,565,474 64,496,000 5.42%
7 VANGUARD GROUP INC 2,420,747 60,858,000 5.11%
8 Palo Alto Investors LP 2,207,489 55,496,000 4.66%
9 BlackRock Fund Advisors 2,008,834 50,502,000 4.24%
10 NEXT CENTURY GROWTH INVESTORS LLC 1,695,337 42,620,000 3.58%
11 TIGER GLOBAL MANAGEMENT LLC 1,690,000 42,487,000 3.57%
12 MILLENNIUM MANAGEMENT LLC 1,138,851 28,631,000 2.41%
13 BlackRock Institutional Trust Company, N.A. 1,079,700 27,144,000 2.28%
14 ROYAL BANK OF CANADA 935,394 23,515,000 1.98%
15 STATE STREET CORP 735,469 18,491,000 1.55%
16 GENEVA CAPITAL MANAGEMENT LLC 678,016 17,045,000 1.43%
17 Cortina Asset Management, LLC 622,697 15,655,000 1.32%
18 BANK OF MONTREAL /CAN/ 538,140 13,528,000 1.14%
19 NORTHERN TRUST CORP 493,993 12,419,000 1.04%
20 DECADE CAPITAL MANAGEMENT LLC 459,819 11,560,000 0.97%
21 ROCKEFELLER FINANCIAL SERVICES INC 437,794 11,006,000 0.92%
22 OMT Capital Management LLC 416,510 10,471,000 0.88%
23 Bank of New York Mellon Corp 406,440 10,217,000 0.86%
24 Grandeur Peak Global Advisors, LLC 376,950 9,477,000 0.80%
25 MORGAN STANLEY 363,741 9,143,000 0.77%
26 Portolan Capital Management, LLC 336,777 8,467,000 0.71%
27 DEUTSCHE BANK AG\ 335,102 8,423,000 0.71%
28 NORGES BANK 270,671 6,805,000 0.57%
29 RUSSELL FRANK CO/ 260,186 6,660,000 0.56%
30 PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO 258,089 6,488,000 0.55%
31 PRINCIPAL FINANCIAL GROUP INC 224,471 5,644,000 0.47%
32 GEODE CAPITAL MANAGEMENT, LLC 196,356 4,936,000 0.41%
33 SEI TRUST CO 188,637 4,742,000 0.40%
34 Pine River Capital Management L.P. 179,309 4,507,000 0.38%
35 BARCLAYS PLC 177,146 4,429,000 0.37%
36 TIAA CREF INVESTMENT MANAGEMENT LLC 163,565 4,112,000 0.35%
37 Nationwide Fund Advisors 154,384 3,881,000 0.33%
38 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 151,830 3,817,000 0.32%
39 AMERIPRISE FINANCIAL INC 148,799 3,740,000 0.31%
40 CREDIT SUISSE AG/ 145,376 3,655,000 0.31%
41 Apex Capital Management 144,906 3,643,000 0.31%
42 MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC 139,158 3,498,000 0.29%
43 BlackRock Investment Management, LLC 128,493 3,230,000 0.27%
44 DENVER INVESTMENT ADVISORS LLC 119,581 3,006,000 0.25%
45 Rhenman & Partners Asset Management AB 107,000 2,690,000 0.23%
46 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 102,352 2,574,000 0.22%
47 RENAISSANCE TECHNOLOGIES LLC 97,223 2,444,000 0.21%
48 NEW YORK STATE COMMON RETIREMENT FUND 84,900 2,134,000 0.18%
49 KINGDON CAPITAL MANAGEMENT, L.L.C. 83,900 2,109,000 0.18%
50 PARADIGM ASSET MANAGEMENT CO LLC 83,800 2,106,732 0.18%
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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.