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

Institutional Holders (2016Q1)
Portfolio Summary: 115 Institutional holders with a total value of $428,481,990.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 FMR LLC 3,616,600 60,867,000 14.21%
2 WELLINGTON MANAGEMENT GROUP LLP 2,221,863 37,394,000 8.73%
3 RS INVESTMENT MANAGEMENT CO LLC 2,183,697 36,752,000 8.58%
4 ADAGE CAPITAL PARTNERS GP, L.L.C. 1,306,488 21,988,000 5.13%
5 VANGUARD GROUP INC 1,131,157 19,037,000 4.44%
6 MILLENNIUM MANAGEMENT LLC 1,030,449 17,342,000 4.05%
7 First Light Asset Management, LLC 927,210 15,605,000 3.64%
8 EMERALD ADVISERS, LLC 799,521 13,456,000 3.14%
9 EMERALD MUTUAL FUND ADVISERS TRUST 793,714 13,358,000 3.12%
10 BlackRock Fund Advisors 730,545 12,295,000 2.87%
11 WELLS FARGO & COMPANY/MN 706,890 11,896,000 2.78%
12 Cortina Asset Management, LLC 670,702 11,288,000 2.63%
13 COLUMBUS CIRCLE INVESTORS 608,215 10,236,000 2.39%
14 BlackRock Institutional Trust Company, N.A. 526,380 8,859,000 2.07%
15 TAMARACK ADVISERS, LP 525,000 8,836,000 2.06% SH
16 DAFNA Capital Management LLC 488,446 8,221,000 1.92%
17 STATE STREET CORP 453,563 7,631,000 1.78%
18 WASATCH ADVISORS LP 416,927 7,063,000 1.65%
19 WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 412,038 6,935,000 1.62%
20 NORTHERN TRUST CORP 351,483 5,915,000 1.38%
21 ROYCE & ASSOCIATES LP 331,800 5,584,000 1.30%
22 DEUTSCHE BANK AG\ 313,550 5,274,000 1.23%
23 Rothschild Capital Partners, LLC 270,641 4,555,000 1.06%
24 WADDELL & REED FINANCIAL INC 267,800 4,507,000 1.05%
25 Pier Capital, LLC 266,068 4,478,000 1.05%
26 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 225,199 3,791,000 0.88%
27 Allianz Asset Management GmbH 204,698 3,445,000 0.80%
28 KOPP INVESTMENT ADVISORS LLC 192,446 3,239,000 0.76%
29 GEODE CAPITAL MANAGEMENT, LLC 187,655 3,158,000 0.74%
30 NEXT CENTURY GROWTH INVESTORS LLC 181,601 3,056,000 0.71%
31 EVENTIDE ASSET MANAGEMENT, LLC 180,000 3,029,000 0.71%
32 DRIEHAUS CAPITAL MANAGEMENT LLC 178,594 3,006,000 0.70%
33 PALISADE CAPITAL MANAGEMENT, LP 150,666 2,536,000 0.59%
34 Bank of New York Mellon Corp 129,935 2,187,000 0.51%
35 FEDERATED HERMES, INC. 128,200 2,158,000 0.50%
36 PURA VIDA INVESTMENTS, LLC 123,450 2,078,000 0.48%
37 RENAISSANCE TECHNOLOGIES LLC 114,800 1,932,000 0.45%
38 TIAA CREF INVESTMENT MANAGEMENT LLC 112,524 1,894,000 0.44%
39 BlackRock Investment Management, LLC 103,254 1,738,000 0.41%
40 LORD, ABBETT & CO. LLC 86,920 1,463,000 0.34%
41 UNITED SERVICES AUTOMOBILE ASSOCIATION 84,940 1,430,000 0.33%
42 PERKINS CAPITAL MANAGEMENT INC 84,200 1,417,000 0.33%
43 AMERIPRISE FINANCIAL INC 79,282 1,335,000 0.31%
44 ESSEX INVESTMENT MANAGEMENT CO LLC 72,258 1,216,000 0.28%
45 Nuveen Asset Management, LLC 70,965 1,194,000 0.28%
46 D. E. Shaw & Co., Inc. 64,661 1,088,000 0.25%
47 PUTNAM INVESTMENTS LLC 62,367 1,049,000 0.24%
48 TEACHERS ADVISORS, LLC 61,044 1,027,000 0.24%
49 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 60,105 1,012,000 0.24%
50 BLAIR WILLIAM & CO/IL 55,665 937,000 0.22%
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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.