本期 13F-HR 中的全部持仓，以及相对上季度的变化。
13F 持仓，最新季度
来源SEC EDGAR13F-HR
Polaris Venture Management Co IV LLC (CIK 1295438) reported $62.4M across 4 reported positions in its SEC 13F filing for 2016-09-30. Largest positions: XLRN ($53.6M, 85.86%), ALIM ($4.7M, 7.52%), PULM ($2.6M, 4.21%), DARE ($1.5M, 2.41%). Source: SEC Form 13F.
| Rank | Ticker | Company | Value | % Portfolio | Shares | Action |
|---|---|---|---|---|---|---|
| 1 | XLRN | Acceleron Pharma Inc | $53.6M | 85.86% | 1.5M | Hold |
| 2 | ALIM | Alimera Sciences Inc | $4.7M | 7.52% | 3.1M | Hold |
| 3 | PULM | Pulmatrix Inc | $2.6M | 4.21% | 1.6M | Hold |
| 4 | DARE | Cerulean Pharma Inc | $1.5M | 2.41% | 1.4M | Hold |
来源：SEC 13F 申报文件 · 截至 2016-09-30