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NXSTAGE MED INC COM
NXSTAGE MED INC COM. Institutional holdings reported to the SEC.

Institutional Holders (2015Q4)
Portfolio Summary: 146 Institutional holders with a total value of $1,297,753,680.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 GILDER GAGNON HOWE & CO LLC 6,012,047 131,724,000 10.15%
2 DEERFIELD MANAGEMENT COMPANY, L.P. 4,589,000 100,545,000 7.75%
3 VANGUARD GROUP INC 3,997,151 87,578,000 6.75%
4 RS INVESTMENT MANAGEMENT CO LLC 3,775,059 82,712,000 6.37%
5 FMR LLC 3,320,583 72,754,000 5.61%
6 ORACLE INVESTMENT MANAGEMENT INC 3,291,001 72,106,000 5.56%
7 Invesco Ltd. 2,182,998 47,830,000 3.69%
8 Cortina Asset Management, LLC 1,949,136 42,706,000 3.29%
9 TAMARACK ADVISERS, LP 1,925,000 42,177,000 3.25%
10 BlackRock Fund Advisors 1,723,227 37,756,000 2.91%
11 BlackRock Institutional Trust Company, N.A. 1,573,091 34,466,000 2.66%
12 WELLS FARGO & COMPANY/MN 1,450,307 31,777,000 2.45%
13 JENNISON ASSOCIATES LLC 1,395,174 30,568,000 2.36%
14 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 1,359,898 29,796,000 2.30%
15 MILLENNIUM MANAGEMENT LLC 1,333,905 29,226,000 2.25%
16 BANK OF MONTREAL /CAN/ 1,303,232 28,553,000 2.20%
17 STATE STREET CORP 1,045,177 22,901,000 1.76%
18 BLAIR WILLIAM & CO/IL 847,875 18,576,000 1.43%
19 NORTHERN TRUST CORP 810,559 17,760,000 1.37%
20 BROADVIEW ADVISORS LLC 809,180 17,729,000 1.37%
21 OppenheimerFunds, Inc. 728,153 15,954,000 1.23%
22 SECTORAL ASSET MANAGEMENT INC 701,303 15,366,000 1.18%
23 Bank of New York Mellon Corp 700,979 15,358,000 1.18%
24 Point72 Asset Management, L.P. 598,300 13,109,000 1.01%
25 CHARTWELL INVESTMENT PARTNERS, LLC 570,630 12,503,000 0.96%
26 WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 553,548 12,128,000 0.93%
27 TIVERTON ASSET MANAGEMENT LLC 475,000 10,407,000 0.80%
28 LORD, ABBETT & CO. LLC 465,103 10,190,000 0.79%
29 TWO SIGMA INVESTMENTS, LP 451,945 9,902,000 0.76%
30 CASTLEARK MANAGEMENT LLC 403,440 8,839,000 0.68%
31 AMERIPRISE FINANCIAL INC 393,698 8,627,000 0.66%
32 GEODE CAPITAL MANAGEMENT, LLC 393,422 8,619,000 0.66%
33 DAFNA Capital Management LLC 366,554 8,031,000 0.62% SH
34 RENAISSANCE TECHNOLOGIES LLC 361,990 7,931,000 0.61%
35 BOGLE INVESTMENT MANAGEMENT L P /DE/ 305,189 6,686,000 0.52%
36 Nuveen Asset Management, LLC 302,081 6,619,000 0.51%
37 D. E. Shaw & Co., Inc. 278,688 6,106,000 0.47%
38 TWO SIGMA ADVISERS, LP 269,421 5,903,000 0.45%
39 First Light Asset Management, LLC 251,093 5,501,000 0.42%
40 TIAA CREF INVESTMENT MANAGEMENT LLC 245,327 5,375,000 0.41%
41 PRUDENTIAL FINANCIAL INC 245,086 5,369,000 0.41%
42 Weiss Multi-Strategy Advisers LLC 230,000 5,039,000 0.39%
43 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 223,013 4,887,000 0.38%
44 BlackRock Investment Management, LLC 212,796 4,662,000 0.36%
45 PURA VIDA INVESTMENTS, LLC 210,000 4,601,000 0.35%
46 MANUFACTURERS LIFE INSURANCE COMPANY, THE 202,553 4,438,000 0.34%
47 GOLDMAN SACHS GROUP INC 200,000 4,382,000 0.34% Call
48 Employees Retirement System of Texas 198,000 4,338,000 0.33%
49 Informed Momentum Co LLC 190,285 4,169,000 0.32%
50 KOPP INVESTMENT ADVISORS LLC 169,612 3,716,000 0.29%
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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.