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. | 8,415,289 | 5.98 | -28,960 | 9/30/19 |
| 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 | 8,291,214 | 5.89 | -384,767 | 10/31/19 |
| BB Biotech Fd | 7,994,955 | 5.68 | 320,485 | 9/30/19 |
| Vanguard Total Stock Market Index Fund | 3,546,542 | 2.52 | 6,603 | 10/31/19 |
| Vanguard Small-Cap Index Fund | 3,171,342 | 2.25 | 4,377 | 10/31/19 |
| Ivy Science and Technology Fund | 2,918,326 | 2.07 | -- | 9/30/19 |
| Hartford MidCap Fund | 2,598,318 | 1.85 | 334,018 | 10/31/19 |
| Fidelity Series Growth Company Fund | 2,440,934 | 1.74 | 79,749 | 10/31/19 |
| ClearBridge Aggressive Growth Fund | 2,306,791 | 1.64 | -35,954 | 9/30/19 |
| Vanguard Small-Cap Growth Index Fund | 1,888,232 | 1.34 | 11,582 | 10/31/19 |
| Fidelity Select Biotechnology Portfolio | 1,830,177 | 1.30 | -53,400 | 10/31/19 |
* Insider values reflect direct beneficial ownership.
Copyright Thomson Reuters Corporation