Dark
Light
System
Security
NXSTAGE MED INC COM
NXSTAGE MED INC COM. Institutional holdings reported to the SEC.

Institutional Holders (2016Q4)
Portfolio Summary: 171 Institutional holders with a total value of $1,596,163,791.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 FMR LLC 7,344,802 192,507,000 12.06%
2 GILDER GAGNON HOWE & CO LLC 5,749,761 150,701,000 9.44%
3 VANGUARD GROUP INC 4,861,529 127,420,000 7.98%
4 DEERFIELD MANAGEMENT COMPANY, L.P. 4,258,196 111,607,000 6.99%
5 ORACLE INVESTMENT MANAGEMENT INC 2,721,636 71,334,000 4.47%
6 Invesco Ltd. 2,518,449 66,009,000 4.14%
7 BlackRock Fund Advisors 2,081,973 54,569,000 3.42%
8 PERCEPTIVE ADVISORS LLC 1,927,989 50,533,000 3.17%
9 Pennant Capital Management, LLC 1,927,408 50,517,000 3.16%
10 BlackRock Institutional Trust Company, N.A. 1,730,076 45,345,000 2.84%
11 Cortina Asset Management, LLC 1,367,027 35,830,000 2.24%
12 JENNISON ASSOCIATES LLC 1,328,173 34,811,000 2.18%
13 VICTORY CAPITAL MANAGEMENT INC 1,324,269 34,709,000 2.17%
14 WELLS FARGO & COMPANY/MN 1,242,400 32,564,000 2.04%
15 STATE STREET CORP 1,208,700 31,678,000 1.98%
16 WADDELL & REED FINANCIAL INC 1,112,619 29,162,000 1.83%
17 SECTORAL ASSET MANAGEMENT INC 891,313 23,361,000 1.46%
18 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 842,552 22,083,000 1.38%
19 BLAIR WILLIAM & CO/IL 831,476 21,793,000 1.37%
20 NORTHERN TRUST CORP 831,312 21,789,000 1.37%
21 OppenheimerFunds, Inc. 830,607 21,770,000 1.36%
22 Bank of New York Mellon Corp 636,952 16,695,000 1.05%
23 Portolan Capital Management, LLC 576,263 15,104,000 0.95%
24 NEXT CENTURY GROWTH INVESTORS LLC 565,814 14,829,000 0.93%
25 GEODE CAPITAL MANAGEMENT, LLC 563,669 14,773,000 0.93%
26 BROADVIEW ADVISORS LLC 507,156 13,293,000 0.83%
27 NORGES BANK 451,758 11,841,000 0.74%
28 WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 444,156 11,641,000 0.73%
29 Polar Capital LLP 400,000 10,484,000 0.66%
30 TAMARACK ADVISERS, LP 367,690 9,637,000 0.60%
31 TWO SIGMA INVESTMENTS, LP 320,232 8,393,000 0.53%
32 Nuveen Asset Management, LLC 313,554 8,218,000 0.51%
33 D. E. Shaw & Co., Inc. 295,494 7,745,000 0.49%
34 MILLENNIUM MANAGEMENT LLC 289,547 7,589,000 0.48%
35 PRUDENTIAL FINANCIAL INC 268,773 7,045,000 0.44%
36 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 259,710 6,807,000 0.43%
37 PURA VIDA INVESTMENTS, LLC 257,500 6,749,000 0.42%
38 MORGAN STANLEY 251,353 6,588,000 0.41%
39 First Light Asset Management, LLC 247,015 6,474,000 0.41%
40 BlackRock Investment Management, LLC 238,118 6,241,000 0.39%
41 DAFNA Capital Management LLC 236,119 6,189,000 0.39%
42 TWO SIGMA ADVISERS, LP 228,287 5,983,000 0.37%
43 MARSHALL WACE, LLP 228,002 5,976,000 0.37%
44 TIAA CREF INVESTMENT MANAGEMENT LLC 223,285 5,852,000 0.37%
45 Pier Capital, LLC 214,363 5,618,000 0.35%
46 BLACKROCK ADVISORS LLC 193,987 5,084,000 0.32%
47 DELTA LLOYD NV 175,000 4,587,000 0.29%
48 AMERIPRISE FINANCIAL INC 171,867 4,505,000 0.28%
49 Rhenman & Partners Asset Management AB 158,901 4,165,000 0.26%
50 LOOMIS SAYLES & CO L P 152,166 3,988,000 0.25%
Page 1 of 4

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.