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ARATANA THERAPEUTICS INC
ARATANA THERAPEUTICS INC. Institutional holdings reported to the SEC.

Institutional Holders (2014Q1)
Portfolio Summary: 81 Institutional holders with a total value of $396,170,458.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 MPM ASSET MANAGEMENT LLC 2,788,165 51,748,000 13.06%
2 JENNISON ASSOCIATES LLC 1,907,857 35,410,000 8.94%
3 FRANKLIN RESOURCES INC 1,593,157 29,569,000 7.46%
4 WELLINGTON MANAGEMENT GROUP LLP 1,281,335 23,782,000 6.00%
5 ADAGE CAPITAL PARTNERS GP, L.L.C. 1,275,000 23,664,000 5.97%
6 ALLIANCEBERNSTEIN L.P. 982,900 18,243,000 4.60%
7 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 828,200 15,371,392 3.88%
8 DEERFIELD MANAGEMENT COMPANY, L.P. 788,904 14,642,000 3.70%
9 JPMORGAN CHASE & CO 744,650 13,821,000 3.49%
10 Broadfin Capital, LLC 667,435 12,388,000 3.13%
11 MARXE AUSTIN W & GREENHOUSE DAVID M 600,000 11,136,000 2.81%
12 RS INVESTMENT MANAGEMENT CO LLC 578,900 10,744,000 2.71%
13 VANGUARD GROUP INC 495,365 9,195,000 2.32%
14 WADDELL & REED FINANCIAL INC 456,200 8,467,000 2.14%
15 BLAIR WILLIAM & CO/IL 421,135 7,816,000 1.97%
16 CHARTWELL INVESTMENT PARTNERS/PA 401,395 7,450,000 1.88%
17 D. E. Shaw & Co., Inc. 352,068 6,534,000 1.65%
18 EAGLE ASSET MANAGEMENT INC 349,048 6,478,000 1.64%
19 DRIEHAUS CAPITAL MANAGEMENT LLC 341,530 6,339,000 1.60%
20 FMR LLC 375,000 6,264,000 1.58%
21 GOLDMAN SACHS GROUP INC 318,392 5,909,000 1.49%
22 BlackRock Institutional Trust Company, N.A. 315,250 5,851,000 1.48%
23 FRED ALGER MANAGEMENT, LLC 289,344 5,370,000 1.36%
24 OppenheimerFunds, Inc. 282,292 5,240,000 1.32%
25 PRINCIPAL FINANCIAL GROUP INC 254,500 4,724,000 1.19%
26 LAZARD ASSET MANAGEMENT LLC 249,459 4,629,000 1.17%
27 Nicholas Investment Partners, LP 241,706 4,486,000 1.13%
28 HIGHLAND CAPITAL MANAGEMENT LP 229,004 4,250,000 1.07%
29 BlackRock Fund Advisors 225,815 4,191,000 1.06%
30 Visium Asset Management, LP 155,236 2,882,000 0.73%
31 Hutchin Hill Capital, LP 150,000 2,784,000 0.70%
32 Grandeur Peak Global Advisors, LLC 130,100 2,415,000 0.61%
33 STATE STREET CORP 124,658 2,315,000 0.58%
34 NORTHERN TRUST CORP 110,267 2,046,000 0.52%
35 CREDIT SUISSE AG/ 109,940 2,040,000 0.51%
36 MILLENNIUM MANAGEMENT LLC 100,242 1,860,000 0.47%
37 GEODE CAPITAL MANAGEMENT, LLC 94,416 1,752,000 0.44%
38 Bank of New York Mellon Corp 81,829 1,519,000 0.38%
39 Alyeska Investment Group, L.P. 80,893 1,501,000 0.38%
40 WALL STREET ASSOCIATES 75,297 1,398,000 0.35%
41 Creative Planning 52,269 970,000 0.24%
42 First Light Asset Management, LLC 49,263 914,000 0.23%
43 DEUTSCHE BANK AG\ 35,490 657,000 0.17%
44 Mariner, LLC 29,329 544,000 0.14%
45 BANK OF MONTREAL /CAN/ 28,990 538,000 0.14%
46 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 37,670 537,000 0.14%
47 Weiss Multi-Strategy Advisers LLC 25,000 464,000 0.12%
48 BlackRock Investment Management, LLC 22,803 423,000 0.11%
49 TIAA CREF INVESTMENT MANAGEMENT LLC 22,460 417,000 0.11%
50 RAYMOND JAMES & ASSOCIATES 21,800 405,000 0.10%
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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.