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HORIZON PHARMA PLC
HORIZON PHARMA PLC. Institutional holdings reported to the SEC.

Institutional Holders (2014Q4)
Portfolio Summary: 145 Institutional holders with a total value of $1,143,109,180.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 DEERFIELD MANAGEMENT COMPANY, L.P. 11,699,047 150,801,000 13.19%
2 Broadfin Capital, LLC 8,917,975 114,953,000 10.06%
3 KINGDON CAPITAL MANAGEMENT, L.L.C. 6,074,616 78,302,000 6.85%
4 FMR LLC 6,071,396 78,260,000 6.85%
5 HealthCor Management, L.P. 5,600,000 72,184,000 6.31%
6 Visium Asset Management, LP 4,492,524 57,910,000 5.07%
7 VANGUARD GROUP INC 4,004,847 51,623,000 4.52%
8 STATE STREET CORP 3,470,413 44,735,000 3.91%
9 Point72 Asset Management, L.P. 2,614,700 33,703,000 2.95%
10 TimesSquare Capital Management, LLC 2,584,000 33,308,000 2.91%
11 Scale Management, LLC 2,204,563 28,417,000 2.49%
12 Murphy Michael R 2,187,854 28,201,000 2.47%
13 BANK OF MONTREAL /CAN/ 1,561,360 20,126,000 1.76%
14 D. E. Shaw & Co., Inc. 1,407,304 18,140,000 1.59%
15 Tourbillon Capital Partners, L.P. 1,250,000 16,113,000 1.41%
16 Bank of New York Mellon Corp 1,112,693 14,343,000 1.25%
17 ORBIMED ADVISORS LLC 1,075,000 13,857,000 1.21%
18 EMERALD ADVISERS, LLC 935,655 12,061,000 1.06%
19 SYSTEMATIC FINANCIAL MANAGEMENT LP 929,750 11,984,000 1.05%
20 Allianz Asset Management GmbH 887,011 11,434,000 1.00%
21 PRICE T ROWE ASSOCIATES INC /MD/ 866,700 11,172,000 0.98%
22 NEW YORK STATE COMMON RETIREMENT FUND 812,275 10,470,000 0.92%
23 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 803,719 10,360,000 0.91%
24 EverPoint Asset Management, LLC 700,000 9,023,000 0.79%
25 NORTHERN TRUST CORP 699,477 9,017,000 0.79%
26 Nicholas Investment Partners, LP 631,038 8,134,000 0.71%
27 EMERALD MUTUAL FUND ADVISERS TRUST 601,719 7,756,000 0.68%
28 CASTLEARK MANAGEMENT LLC 601,500 7,753,000 0.68%
29 JW Asset Management, LLC 580,684 7,485,000 0.65%
30 STIFEL FINANCIAL CORP 539,913 6,959,000 0.61%
31 Jefferies Group LLC 511,000 6,587,000 0.58% Call
32 OXFORD ASSET MANAGEMENT LLP 509,771 6,489,000 0.57%
33 TURNER INVESTMENTS LLC 499,134 6,434,000 0.56%
34 TANG CAPITAL MANAGEMENT LLC 490,000 6,316,000 0.55%
35 BARCLAYS PLC 471,800 5,662,000 0.50% Call
36 SUSQUEHANNA INTERNATIONAL GROUP, LLP 409,100 5,273,000 0.46% Call
37 FORESTERS INVESTMENT MANAGEMENT COMPANY, INC. 408,250 5,262,000 0.46%
38 GEODE CAPITAL MANAGEMENT, LLC 403,816 5,205,000 0.46%
39 Tygh Capital Management, Inc. 394,830 5,089,000 0.45%
40 COWEN INC. 390,066 5,019,000 0.44%
41 Connor, Clark & Lunn Investment Management Ltd. 377,100 4,861,000 0.43%
42 BALYASNY ASSET MANAGEMENT L.P. 370,000 4,769,000 0.42% Put
43 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 235,402 3,922,000 0.34%
44 TIAA CREF INVESTMENT MANAGEMENT LLC 302,711 3,902,000 0.34%
45 KINGDON CAPITAL MANAGEMENT, L.L.C. 300,000 3,867,000 0.34% Call
46 Broadfin Capital, LLC 300,000 3,867,000 0.34% Call
47 Ghost Tree Capital, LLC 300,000 3,867,000 0.34%
48 SUSQUEHANNA INTERNATIONAL GROUP, LLP 280,070 3,610,000 0.32%
49 TUDOR INVESTMENT CORP ET AL 274,577 3,539,000 0.31%
50 Timpani Capital Management LLC 245,914 3,170,000 0.28%
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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.