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

Institutional Holders (2016Q3)
Portfolio Summary: 316 Institutional holders with a total value of $5,123,078,447.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 PRIMECAP MANAGEMENT CO/CA/ 4,708,590 605,431,000 11.82%
2 VANGUARD GROUP INC 3,109,512 399,821,000 7.80%
3 Palo Alto Investors LP 1,884,384 242,294,000 4.73%
4 BlackRock Fund Advisors 1,631,879 209,827,000 4.10%
5 Essex Woodlands Management, Inc. 1,450,000 186,441,000 3.64%
6 BlackRock Institutional Trust Company, N.A. 1,177,198 151,364,000 2.95%
7 1832 Asset Management L.P. 1,124,000 141,407,000 2.76%
8 STATE STREET CORP 1,098,438 141,235,000 2.76%
9 WELLINGTON MANAGEMENT GROUP LLP 1,004,378 129,143,000 2.52%
10 LORD, ABBETT & CO. LLC 861,257 110,740,000 2.16%
11 WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 756,938 97,327,000 1.90%
12 Jackson Square Partners, LLC 668,773 85,990,000 1.68%
13 RENAISSANCE TECHNOLOGIES LLC 660,223 84,891,000 1.66%
14 OAK RIDGE INVESTMENTS LLC 611,242 78,594,000 1.53%
15 BROWN CAPITAL MANAGEMENT LLC 603,964 77,658,000 1.52%
16 GOLDMAN SACHS GROUP INC 587,677 75,564,000 1.47%
17 BAILLIE GIFFORD & CO 575,243 73,965,000 1.44%
18 Bank of New York Mellon Corp 548,052 70,468,000 1.38%
19 EAGLE ASSET MANAGEMENT INC 546,733 70,298,000 1.37%
20 ROYAL BANK OF CANADA 505,354 64,979,000 1.27%
21 MACQUARIE GROUP LTD 500,398 64,341,000 1.26%
22 NORGES BANK 513,794 63,098,000 1.23%
23 JANUS HENDERSON GROUP PLC 489,548 62,946,000 1.23%
24 SCOUT INVESTMENTS, INC. 461,281 59,312,000 1.16%
25 NEXT CENTURY GROWTH INVESTORS LLC 423,390 54,439,000 1.06%
26 BLAIR WILLIAM & CO/IL 386,609 49,710,000 0.97%
27 NORTHERN TRUST CORP 369,249 47,477,000 0.93%
28 CASTLEARK MANAGEMENT LLC 362,427 46,601,000 0.91%
29 DEUTSCHE BANK AG\ 333,434 42,870,000 0.84%
30 Nationwide Fund Advisors 318,612 40,967,000 0.80%
31 D. E. Shaw & Co., Inc. 304,149 39,108,000 0.76%
32 Granahan Investment Management, LLC 301,083 38,713,000 0.76%
33 MORGAN STANLEY 296,699 38,150,000 0.74%
34 VOYA INVESTMENT MANAGEMENT LLC 296,651 38,143,000 0.74%
35 Mitsubishi UFJ Trust & Banking Corp 291,560 37,489,000 0.73%
36 GEODE CAPITAL MANAGEMENT, LLC 281,016 36,133,000 0.71%
37 Stephens Investment Management Group LLC 272,241 35,005,000 0.68%
38 FIRST TRUST ADVISORS LP 256,262 32,950,000 0.64%
39 SECTORAL ASSET MANAGEMENT INC 253,745 32,627,000 0.64%
40 PRUDENTIAL FINANCIAL INC 237,745 30,569,000 0.60%
41 ROCKEFELLER FINANCIAL SERVICES INC 231,516 29,768,000 0.58%
42 OppenheimerFunds, Inc. 213,261 27,421,000 0.54%
43 GUGGENHEIM CAPITAL LLC 204,492 26,293,000 0.51%
44 Invesco Ltd. 200,646 25,799,000 0.50%
45 NEW YORK STATE COMMON RETIREMENT FUND 200,540 25,785,000 0.50%
46 EMERALD ACQUISITION LTD. 196,206 25,227,000 0.49%
47 FRED ALGER MANAGEMENT, LLC 193,809 24,920,000 0.49%
48 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 189,907 24,419,000 0.48%
49 AMERIPRISE FINANCIAL INC 178,739 22,981,000 0.45%
50 FMR LLC 176,503 22,695,000 0.44%
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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.