POLARIS VENTURE MANAGEMENT CO IV LLC Information

1000 WINTER STREET SUITE 3350, WALTHAM, Massachusetts, 02451, (781) 290-0770

Report Date: 03/31/2015

Position Statistics

Total Positions 3
New Positions 0
Increased Positions 0
Decreased Positions 1
Positions with Activity 1
Sold Out Positions 0
Total Mkt Value (in $ millions) 93

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 15.71%
Services
Technology
Transportation
Utilities

3 Positions as of 03/31/2015

Company Class Value of Shares ($1,000s) ▼ Change in Value ($1,000s) Change (%) Shares Held
ACCELERON PHARMA INC COM 71,940 -5,521 (7.13) 2,396,389
ALIMERA SCIENCES INC COM 14,577 New 3,148,355
CERULEAN PHARMA INC COM 6,296 New 1,437,441