| 11.49 Data as of 1:02pm ET |  -0.142 / -1.22%Today’s Change | 2.69 Today|||52-Week Range 12.15 | +71.72% Year-to-Date |
| Individual stakeholders | 7.89% |
| Other institutional | 26.55% |
| Mutual fund holders | 12.31% |
| 3/31/2013 | ORBIMED ADVISORS LLC Bought 774.0 Thousand shares of Insmed Inc |
| 3/31/2013 | BAKER BROS. ADVISORS LLC Bought 555.6 Thousand shares of Insmed Inc |
| 3/31/2013 | DWS INVESTMENT GMBH Bought 370.0 Thousand shares of Insmed Inc |
| Stockholder | Stake | Shares owned | Total value ($) | Shares bought / sold | Total change |
|---|---|---|---|---|---|
| Fidelity Management & Research Co... | 14.91% | 4,707,896 | 43,124,327 | +18,924 | +0.40% |
| RA Capital Management LLC | 7.71% | 2,433,319 | 22,289,202 | 0 | 0.00% |
| Baker Bros. Advisors LLC | 2.52% | 795,803 | 7,289,555 | +555,636 | +231.35% |
| OrbiMed Advisors LLC | 2.45% | 774,000 | 7,089,840 | +774,000 | -- |
| The Vanguard Group, Inc. | 1.77% | 559,310 | 5,123,280 | +80,471 | +16.81% |
| BlackRock Fund Advisors | 1.76% | 554,196 | 5,076,435 | +109,186 | +24.54% |
| DWS Investment GmbH | 1.17% | 370,000 | 3,389,200 | +370,000 | -- |
| Broadfin Capital LLC | 1.16% | 367,240 | 3,363,918 | +100,000 | +37.42% |
| Ayer Capital Management LP | 0.88% | 277,781 | 2,544,474 | -1,206,089 | -81.28% |
| Palo Alto Investors LLC | 0.84% | 266,299 | 2,439,299 | 0 | 0.00% |
| Mutual fund | Stake | Shares owned | Total value ($) | Shares bought / sold | Total change |
|---|---|---|---|---|---|
| Fidelity Series Small Cap Opportu... | 2.74% | 866,129 | 7,933,742 | +33,100 | +3.97% |
| Fidelity Small Cap Growth Fund | 2.53% | 800,000 | 7,328,000 | +661,100 | +475.95% |
| Fidelity Stock Selector Small Cap... | 1.43% | 452,771 | 4,147,382 | -33,100 | -6.81% |
| Fidelity Select Health Care Portf... | 0.84% | 264,994 | 2,427,345 | 0 | 0.00% |
| DWS Biotech Typ O | 0.79% | 250,000 | 2,290,000 | 0 | 0.00% |
| Vanguard Total Stock Market Index... | 0.78% | 245,772 | 2,251,272 | +39,546 | +19.18% |
| Vanguard Extended Market Index Fu... | 0.62% | 196,169 | 1,796,908 | +9,120 | +4.88% |
| Fidelity Dividend Growth Fund | 0.42% | 131,000 | 1,199,960 | 0 | 0.00% |
| Fidelity Health Care Central Inve... | 0.36% | 113,400 | 1,038,744 | +113,400 | -- |
| Fidelity Spartan Extended Market ... | 0.24% | 75,313 | 689,867 | 0 | 0.00% |
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