Ownership Profile
Ownership Profile
Top Holders
| Holder | Shares Held | % O/S | Share Change | Filing Date |
|---|---|---|---|---|
| Fidelity Management & Research Company | 20,922,684 | 14.87 | 22,022 | 9/30/19 |
| The Vanguard Group, Inc. | 12,214,475 | 8.68 | -642,390 | 9/30/19 |
| Biogen Inc | 11,501,153 | 8.19 | -- | 3/1/19 |
| ClearBridge Investments, LLC | 9,290,924 | 6.61 | -211,108 | 9/30/19 |
| Baillie Gifford & Co. | 8,790,025 | 6.25 | 374,736 | 12/31/19 |
| Bellevue Asset Management AG | 8,321,914 | 5.92 | 364,786 | 9/30/19 |
| Wellington Management Company, LLP | 7,745,339 | 5.51 | 87,140 | 9/30/19 |
| BlackRock Institutional Trust Company, N.A. | 6,963,930 | 4.95 | -461,380 | 9/30/19 |
| State Street Global Advisors (US) | 3,650,783 | 2.60 | 65,104 | 9/30/19 |
| Ivy Investment Management Company | 3,180,078 | 2.26 | 19 | 9/30/19 |
Top Holders: Mutual Funds
| Fund | Shares Held | % O/S | Share Change | Filing Date |
|---|---|---|---|---|
| Fidelity Growth Company Fund | 8,260,574 | 5.87 | -30,640 | 11/30/19 |
| BB Biotech Fd | 7,994,955 | 5.68 | 320,485 | 9/30/19 |
| Vanguard Total Stock Market Index Fund | 3,554,734 | 2.53 | 6,816 | 12/31/19 |
| Vanguard Small-Cap Index Fund | 3,159,690 | 2.25 | -16,584 | 12/31/19 |
| Hartford MidCap Fund | 2,939,087 | 2.09 | 340,769 | 11/30/19 |
| Ivy Science and Technology Fund | 2,918,326 | 2.07 | -- | 9/30/19 |
| Fidelity Series Growth Company Fund | 2,440,934 | 1.74 | -- | 11/30/19 |
| ClearBridge Aggressive Growth Fund | 2,306,791 | 1.64 | -35,954 | 9/30/19 |
| Vanguard Small-Cap Growth Index Fund | 1,900,648 | 1.35 | 9,504 | 12/31/19 |
| Fidelity Select Biotechnology Portfolio | 1,830,177 | 1.30 | -- | 11/30/19 |
* Insider values reflect direct beneficial ownership.
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