RIDGEBACK CAPITAL INVESTMENTS L.P. Information

75 NINTH AVENUE, NEW YORK, New York, 10011, (212) 808-7729

Report Date: 12/31/2013

Position Statistics

Total Positions 6
New Positions 5
Increased Positions 5
Decreased Positions 1
Positions with Activity 6
Sold Out Positions 0
Total Mkt Value (in $ millions) 59

Institutional Holdings information is filed by major institutions on form 13-F with the Securities and Exchange Commission.

Sector Weighting

Basic Materials
Capital Goods
Conglomerates
Consumer Cyclical
Consumer/Non-Cyclical
Energy
Financial
Healthcare 99.96%
Services
Technology
Transportation
Utilities

6 Positions as of 12/31/2013

Company Class Value of Shares ($1,000s) ▼ Change in Value ($1,000s) Change (%) Shares Held
SANGAMO BIOSCIENCES INC COM 35,728 35,728 New 2,900,000
CELLDEX THERAPEUTICS INC NEW COM 13,909 -37,720 (73.06) 1,025,000
STEMLINE THERAPEUTICS INC COM 6,060 6,060 New 506,699
ARROWHEAD RESH CORP COM NEW 3,140 3,140 New 279,361
GERON CORP COM 545 545 New 225,000
ASTERIAS BIOTHERAPEUTICS INC COM SER A 26 26 New 9,374