POLARIS VENTURE MANAGEMENT CO IV LLC

CIK: 0001295438

Securities

Total Securities Securities Added Securities Removed Average Holding Period
4.00 0 0 10

Securities

Market Value Previous Market Value Change In Market Value Change In Market Value (%)
62.39M 60.33M 2.05M 3.40 %

Securities

Performance Performance 1 Year Performance 3 Years Performance 5 Years Performance Since Inception
2.06M 5.50M -47.05M -47.05M -47.05M

XLRN

Inst. Shares Owned: 1.48M

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