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

Institutional Holders (2014Q4)
Portfolio Summary: 119 Institutional holders with a total value of $1,004,398,087.
#
Manager Name
Shares
Value ($)
%
Options
Notes
101 WELLS FARGO & COMPANY/MN 737,832 13,229,000 1.32%
102 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 793,409 14,225,823 1.42%
103 SECTORAL ASSET MANAGEMENT INC 807,012 14,470,000 1.44%
104 MILLENNIUM MANAGEMENT LLC 998,681 17,906,000 1.78%
105 STATE STREET CORP 1,005,826 18,036,000 1.80%
106 Tamarack Capital Management, LLC 1,100,000 19,723,000 1.96%
107 BANK OF MONTREAL /CAN/ 1,128,525 20,234,000 2.01%
108 BROADVIEW ADVISORS LLC 1,637,425 29,359,000 2.92%
109 BlackRock Institutional Trust Company, N.A. 1,646,027 29,513,000 2.94%
110 BlackRock Fund Advisors 1,728,907 30,999,000 3.09%
111 RS INVESTMENT MANAGEMENT CO LLC 2,301,042 41,258,000 4.11%
112 Cortina Asset Management, LLC 2,381,692 42,704,000 4.25%
113 BLAIR WILLIAM & CO/IL 2,650,064 47,516,000 4.73%
114 LORD, ABBETT & CO. LLC 2,970,646 53,264,000 5.30%
115 VANGUARD GROUP INC 3,435,249 61,594,000 6.13%
116 ORACLE INVESTMENT MANAGEMENT INC 3,754,343 67,315,000 6.70%
117 GILDER GAGNON HOWE & CO LLC 4,034,891 72,346,000 7.20%
118 DEERFIELD MANAGEMENT COMPANY, L.P. 4,811,494 86,270,000 8.59%
119 FMR LLC 6,214,200 111,421,000 11.09%
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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.