Dark
Light
System
Institutional Investment Manager
TANG CAPITAL MANAGEMENT LLC
TANG CAPITAL MANAGEMENT LLC (CIK: 0001232621) incorporated in Delaware, located at 4747 Executive Drive, San Diego, CA. Institutional holdings reported to the SEC.

Institutional Holdings (2015Q1)
Portfolio Summary: 8 holdings with a total value of $188,008,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 HERON THERAPEUTICS INC 4,919,625 71,580,000 38.07%
2 LA JOLLA PHARMACEUTICAL CO 2,144,387 39,242,000 20.87%
3 Opko Health, Inc. 14,000,000 29,439,000 15.66% PRN
4 BIOMARIN PHARMACEUTICAL INC 182,300 22,718,000 12.08%
5 MIRATI THERAPEUTICS INC 388,543 11,392,000 6.06%
6 MERRIMACK PHARMACEUTI 5,500,000 11,154,000 5.93% PRN
7 ONCOGENEX PHARMACEUTICALS IN 628,400 1,351,000 0.72%
8 RXI PHARMACEUTICALS CORP NEW 1,572,699 1,132,000 0.60%

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001214659-15-004043, filed 2015.05.15).

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.