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

Institutional Holders (2014Q3)
Portfolio Summary: 138 Institutional holders with a total value of $1,185,476,346.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 PRIMECAP MANAGEMENT CO/CA/ 5,664,990 140,662,000 11.87%
2 Jackson Square Partners, LLC 4,748,059 117,894,000 9.94%
3 MACQUARIE GROUP LTD 3,205,365 79,589,000 6.71%
4 Essex Woodlands Management, Inc. 3,150,000 78,214,000 6.60%
5 WELLINGTON MANAGEMENT GROUP LLP 3,008,919 74,711,000 6.30%
6 VANGUARD GROUP INC 2,461,389 61,116,000 5.16%
7 Palo Alto Investors LP 2,429,524 60,325,000 5.09%
8 BLAIR WILLIAM & CO/IL 2,419,285 60,071,000 5.07%
9 BlackRock Fund Advisors 1,988,674 49,379,000 4.17%
10 TIGER GLOBAL MANAGEMENT LLC 1,690,000 41,963,000 3.54%
11 NEXT CENTURY GROWTH INVESTORS LLC 1,174,198 29,155,000 2.46%
12 MILLENNIUM MANAGEMENT LLC 1,140,065 28,308,000 2.39%
13 Cortina Asset Management, LLC 1,064,480 26,431,000 2.23%
14 BlackRock Institutional Trust Company, N.A. 1,049,374 26,056,000 2.20%
15 ROYAL BANK OF CANADA 1,004,512 24,942,000 2.10%
16 STATE STREET CORP 727,664 18,068,000 1.52%
17 GENEVA CAPITAL MANAGEMENT LLC 666,378 16,546,000 1.40%
18 BANK OF MONTREAL /CAN/ 513,400 12,748,000 1.08%
19 NORTHERN TRUST CORP 478,218 11,874,000 1.00%
20 ROCKEFELLER FINANCIAL SERVICES INC 456,431 11,333,000 0.96%
21 DEERFIELD MANAGEMENT COMPANY, L.P. 435,934 10,824,000 0.91%
22 DECADE CAPITAL MANAGEMENT LLC 434,233 10,782,000 0.91%
23 Portolan Capital Management, LLC 409,211 10,161,000 0.86%
24 Bank of New York Mellon Corp 402,274 9,989,000 0.84%
25 RUSSELL FRANK CO/ 319,340 7,929,000 0.67%
26 OMT Capital Management LLC 314,360 7,806,000 0.66%
27 NORGES BANK 308,708 7,665,000 0.65%
28 Nichols Asset Management LLC 278,776 6,922,000 0.58%
29 PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO 258,089 6,408,000 0.54%
30 DEUTSCHE BANK AG\ 257,909 6,402,000 0.54%
31 PRINCIPAL FINANCIAL GROUP INC 227,244 5,642,000 0.48%
32 MORGAN STANLEY 223,124 5,541,000 0.47%
33 SEI TRUST CO 199,435 4,952,000 0.42%
34 GEODE CAPITAL MANAGEMENT, LLC 198,509 4,928,000 0.42%
35 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 172,259 4,277,000 0.36%
36 BARCLAYS PLC 178,015 4,273,000 0.36%
37 C WorldWide Group Holding A/S 170,000 4,253,000 0.36%
38 Grandeur Peak Global Advisors, LLC 168,350 4,180,000 0.35%
39 Apex Capital Management 161,344 4,006,000 0.34%
40 TIAA CREF INVESTMENT MANAGEMENT LLC 159,173 3,952,000 0.33%
41 AMERIPRISE FINANCIAL INC 158,640 3,939,000 0.33%
42 Nationwide Fund Advisors 148,345 3,683,000 0.31%
43 CREDIT SUISSE AG/ 142,963 3,551,000 0.30%
44 MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC 139,158 3,455,000 0.29%
45 BlackRock Investment Management, LLC 129,481 3,215,000 0.27%
46 Rhenman & Partners Asset Management AB 120,736 2,998,000 0.25%
47 DENVER INVESTMENT ADVISORS LLC 118,297 2,937,000 0.25%
48 CATAPULT CAPITAL MANAGEMENT LLC 115,000 2,855,000 0.24%
49 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 104,544 2,596,000 0.22%
50 D. E. Shaw & Co., Inc. 86,069 2,137,000 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.