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

Institutional Holders (2015Q1)
Portfolio Summary: 188 Institutional holders with a total value of $2,621,808,815.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 DEERFIELD MANAGEMENT COMPANY, L.P. 12,792,689 332,226,000 12.67%
2 FMR LLC 8,709,848 226,195,000 8.63%
3 Broadfin Capital, LLC 7,053,504 183,179,000 6.99%
4 VANGUARD GROUP INC 5,506,926 143,015,000 5.45%
5 HealthCor Management, L.P. 4,000,000 103,880,000 3.96%
6 KINGDON CAPITAL MANAGEMENT, L.L.C. 3,697,140 96,015,000 3.66%
7 Visium Asset Management, LP 2,960,546 76,885,000 2.93%
8 STATE STREET CORP 2,705,746 70,269,000 2.68%
9 Tourbillon Capital Partners, L.P. 2,665,000 69,210,000 2.64%
10 TimesSquare Capital Management, LLC 2,115,500 54,940,000 2.10%
11 LionEye Capital Management LLC 1,882,000 48,876,000 1.86%
12 Bank of New York Mellon Corp 1,863,108 48,385,000 1.85%
13 Scale Management, LLC 1,710,451 44,420,000 1.69%
14 CHARTWELL INVESTMENT PARTNERS, LLC 1,708,880 44,380,000 1.69%
15 D. E. Shaw & Co., Inc. 1,557,023 40,436,000 1.54%
16 CASTLEARK MANAGEMENT LLC 1,519,050 39,450,000 1.50%
17 JPMORGAN CHASE & CO 1,454,777 37,780,000 1.44%
18 KENNEDY CAPITAL MANAGEMENT LLC 1,441,949 37,447,000 1.43%
19 KINGDON CAPITAL MANAGEMENT, L.L.C. 1,250,000 32,463,000 1.24% Call
20 LORD, ABBETT & CO. LLC 1,124,104 29,193,000 1.11%
21 Beach Point Capital Management LP 1,118,518 29,048,000 1.11%
22 ORBIMED ADVISORS LLC 1,075,000 27,918,000 1.06%
23 GLENMEDE TRUST CO NA 1,054,141 27,375,000 1.04%
24 BANK OF MONTREAL /CAN/ 895,494 23,256,000 0.89%
25 PRICE T ROWE ASSOCIATES INC /MD/ 862,000 22,386,000 0.85%
26 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 803,719 20,873,000 0.80%
27 OXFORD ASSET MANAGEMENT LLP 801,829 20,823,000 0.79%
28 SUSQUEHANNA INTERNATIONAL GROUP, LLP 768,800 19,966,000 0.76% Call
29 NORTHERN TRUST CORP 735,652 19,105,000 0.73%
30 JW Asset Management, LLC 729,609 18,948,000 0.72%
31 Marble Arch Investments, LP 720,000 18,698,000 0.71%
32 NEW YORK STATE COMMON RETIREMENT FUND 673,655 17,495,000 0.67%
33 RICE HALL JAMES & ASSOCIATES, LLC 664,904 17,268,000 0.66%
34 CITADEL ADVISORS LLC 660,693 17,159,000 0.65%
35 WELLS FARGO & COMPANY/MN 654,543 16,997,000 0.65%
36 DEUTSCHE BANK AG\ 633,682 16,455,000 0.63%
37 Penn Capital Management Company, LLC 580,251 15,069,000 0.57%
38 SUSQUEHANNA INTERNATIONAL GROUP, LLP 578,111 15,014,000 0.57%
39 SYSTEMATIC FINANCIAL MANAGEMENT LP 548,755 14,251,000 0.54%
40 Nicholas Investment Partners, LP 542,990 14,101,000 0.54%
41 SUSQUEHANNA INTERNATIONAL GROUP, LLP 534,900 13,891,000 0.53% Put
42 Allianz Asset Management GmbH 507,761 13,187,000 0.50%
43 Zweig-DiMenna Associates LLC 500,000 12,985,000 0.50%
44 Broadfin Capital, LLC 500,000 12,985,000 0.50% Call
45 Tourbillon Capital Partners, L.P. 500,000 12,985,000 0.50% Call
46 NEUMEIER POMA INVESTMENT COUNSEL LLC 490,050 12,727,000 0.49%
47 STIFEL FINANCIAL CORP 485,117 12,597,000 0.48%
48 EMERALD ADVISERS, LLC 424,266 12,546,000 0.48%
49 TURNER INVESTMENTS LLC 482,090 12,520,000 0.48%
50 GEODE CAPITAL MANAGEMENT, LLC 463,955 12,048,000 0.46%
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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.