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

Institutional Holders (2016Q1)
Portfolio Summary: 277 Institutional holders with a total value of $4,033,916,471.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 PRIMECAP MANAGEMENT CO/CA/ 5,535,290 524,801,000 13.01%
2 VANGUARD GROUP INC 2,808,430 266,267,000 6.60%
3 Palo Alto Investors LP 2,325,959 220,524,000 5.47%
4 BlackRock Fund Advisors 2,104,357 199,514,000 4.95%
5 Jackson Square Partners, LLC 1,720,480 163,118,000 4.04%
6 Essex Woodlands Management, Inc. 1,450,000 137,475,000 3.41%
7 STATE STREET CORP 1,316,168 124,787,000 3.09%
8 1832 Asset Management L.P. 800,300 121,655,000 3.02%
9 MACQUARIE GROUP LTD 1,185,186 112,367,000 2.79%
10 BlackRock Institutional Trust Company, N.A. 1,137,738 107,869,000 2.67%
11 EAGLE ASSET MANAGEMENT INC 828,523 78,552,000 1.95%
12 WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 812,956 77,076,000 1.91%
13 OAK RIDGE INVESTMENTS LLC 717,293 68,006,000 1.69%
14 BAILLIE GIFFORD & CO 688,039 65,233,000 1.62%
15 LORD, ABBETT & CO. LLC 680,941 64,560,000 1.60%
16 NEXT CENTURY GROWTH INVESTORS LLC 611,291 57,956,000 1.44%
17 ROYAL BANK OF CANADA 566,441 53,704,000 1.33%
18 NORTHERN TRUST CORP 532,457 50,482,000 1.25%
19 Bank of New York Mellon Corp 517,388 49,054,000 1.22%
20 NORGES BANK 513,794 48,713,000 1.21%
21 GOLDMAN SACHS GROUP INC 513,372 48,672,000 1.21%
22 BROWN CAPITAL MANAGEMENT LLC 458,523 43,473,000 1.08%
23 ArrowMark Colorado Holdings LLC 335,609 31,819,000 0.79%
24 SCOUT INVESTMENTS, INC. 331,503 31,430,000 0.78%
25 VOYA INVESTMENT MANAGEMENT LLC 322,426 30,569,000 0.76%
26 Granahan Investment Management, LLC 322,383 30,565,000 0.76%
27 Mitsubishi UFJ Trust & Banking Corp 301,990 28,632,000 0.71%
28 RENAISSANCE TECHNOLOGIES LLC 287,100 27,220,000 0.67%
29 GEODE CAPITAL MANAGEMENT, LLC 283,541 26,882,000 0.67%
30 Apex Capital Management 278,326 26,388,000 0.65%
31 Stephens Investment Management Group LLC 264,105 25,040,000 0.62%
32 JANUS HENDERSON GROUP PLC 260,931 24,739,000 0.61%
33 Nationwide Fund Advisors 173,117 22,793,000 0.57%
34 BlackRock Investment Management, LLC 237,813 22,547,000 0.56%
35 ROCKEFELLER FINANCIAL SERVICES INC 234,116 22,197,000 0.55%
36 WELLINGTON MANAGEMENT GROUP LLP 231,758 21,973,000 0.54%
37 AMERIPRISE FINANCIAL INC 223,511 21,190,000 0.53%
38 Polar Capital LLP 218,000 20,668,000 0.51%
39 TEACHERS ADVISORS, LLC 216,185 20,496,000 0.51%
40 FRED ALGER MANAGEMENT, LLC 214,910 20,376,000 0.51%
41 GUGGENHEIM CAPITAL LLC 210,795 19,985,000 0.50%
42 WELLS FARGO & COMPANY/MN 206,453 19,574,000 0.49%
43 BLAIR WILLIAM & CO/IL 205,522 19,485,000 0.48%
44 Invesco Ltd. 201,171 19,073,000 0.47%
45 EverPoint Asset Management, LLC 200,000 18,962,000 0.47% Call
46 GOLDMAN SACHS GROUP INC 200,000 18,962,000 0.47% Call
47 Cupps Capital Management, LLC 199,584 18,922,000 0.47%
48 Cortina Asset Management, LLC 197,883 18,761,000 0.47%
49 SEI INVESTMENTS CO 194,624 18,453,000 0.46%
50 OppenheimerFunds, Inc. 191,717 18,176,000 0.45%
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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.