Ownership Profile
Ownership Profile
Top Holders
| Holder | Shares Held | % O/S | Share Change | Filing Date |
|---|---|---|---|---|
| Fidelity Management & Research Company | 20,900,662 | 14.88 | 275,564 | 6/30/19 |
| The Vanguard Group, Inc. | 12,856,865 | 9.15 | 383,350 | 6/30/19 |
| Biogen Inc | 11,501,153 | 8.19 | -- | 3/1/19 |
| ClearBridge Investments, LLC | 9,502,032 | 6.76 | 3,722 | 6/30/19 |
| Baillie Gifford & Co. | 8,415,289 | 5.98 | -28,960 | 9/30/19 |
| Bellevue Asset Management AG | 7,957,128 | 5.66 | -70,515 | 6/30/19 |
| Wellington Management Company, LLP | 7,658,199 | 5.45 | 119,123 | 6/30/19 |
| BlackRock Institutional Trust Company, N.A. | 6,963,930 | 4.95 | -461,380 | 9/30/19 |
| State Street Global Advisors (US) | 3,585,679 | 2.55 | 1,032,591 | 6/30/19 |
| Ivy Investment Management Company | 3,180,059 | 2.26 | -182,247 | 6/30/19 |
Top Holders: Mutual Funds
| Fund | Shares Held | % O/S | Share Change | Filing Date |
|---|---|---|---|---|
| Fidelity Growth Company Fund | 8,675,981 | 6.17 | 40,898 | 9/30/19 |
| BB Biotech Fd | 7,994,955 | 5.68 | 320,485 | 9/30/19 |
| Vanguard Total Stock Market Index Fund | 3,539,939 | 2.52 | 11,244 | 9/30/19 |
| Vanguard Small-Cap Index Fund | 3,166,965 | 2.25 | -45,219 | 9/30/19 |
| Ivy Science and Technology Fund | 2,918,326 | 2.07 | -- | 9/30/19 |
| Fidelity Series Growth Company Fund | 2,361,185 | 1.68 | -- | 9/30/19 |
| ClearBridge Aggressive Growth Fund | 2,306,791 | 1.64 | -35,954 | 9/30/19 |
| Hartford MidCap Fund | 2,264,300 | 1.61 | 231,326 | 9/30/19 |
| Fidelity Select Biotechnology Portfolio | 1,883,577 | 1.34 | -81,900 | 9/30/19 |
| Vanguard Small-Cap Growth Index Fund | 1,876,650 | 1.33 | 30,562 | 9/30/19 |
* Insider values reflect direct beneficial ownership.
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