Ownership Profile

Share this on: Delicious Digg Facebook LinkedIn Twitter What is this?

Shareholder Breakdown

	Holders	Values ($)	% O/S	Shares
Institution	54	49,945,763.00	38.38	25,745,239
Mutual Fund	28	19,434,612.00	14.93	10,017,840

Institutional Shareholder Rotation

	Holders	Values Change ($)	% O/S	Shares Change
Buyers	33	20,112,661.00	25.65	10,367,351
Sellers	12	-8,590,110.00	7.46	-4,427,893
Net	--	11,522,551.00	18.19	5,939,458

Institutional Shareholder Concentration

	Values ($)	% O/S	Shares
Top 10 Inst.	44,631,237	34.29	23,005,792
Top 20 Inst.	47,954,066.00	36.85	24,718,591
Top 50 Inst.	49,940,000.00	38.37	25,742,268
Total Inst.	49,945,763.00	38.38	25,745,239

Institutional Shareholder Style

	Holders	Values ($)	% O/S	Shares
Growth	28	5,201,777	10.41	2,681,329
GARP	8	16,561,485	33.16	8,536,848
Index	5	7,221,697	14.46	3,722,524
Value	5	2,842,668	5.69	1,465,293
Yield	5	215,340	0.43	111,000
Aggressive Growth	3	17,902,796	35.84	9,228,245

Top Holders: Institutional Investor

	Shares Held	% O/S	Shares Change	Filing Date
Perceptive Advisors LLC	5,630,000	8.39	5,630,000	03/31/2013
Baker Bros. Advisors LLC	4,775,787	7.12	1,738,385	03/31/2013
Columbia Wanger Asset Management LLC	4,302,458	6.41	-3,723,842	03/31/2013
VHCP Management LLC	2,516,870	3.75	0	03/31/2013
The Vanguard Group, Inc.	2,016,957	3.01	350,381	03/31/2013
BlackRock Fund Advisors	1,414,899	2.11	402,844	03/31/2013
Royce & Associates LLC	710,000	1.06	0	03/31/2013
TFS Capital LLC	608,742	0.91	274,908	03/31/2013
Jacobs Levy Equity Management, Inc.	588,829	0.88	123,179	03/31/2013
J. Goldman & Co. LP	441,250	0.66	441,250	03/31/2013
Goldman Sachs & Co.	370,446	0.55	370,446	03/31/2013
Deere & Co. Pension Fund	281,559	0.42	281,559	03/31/2013

Ownership data is provided by FactSet, a third party service, and Chelsea Therapeutics International, Ltd. does not maintain or provide information directly to this service.