Ownership Profile
Ownership Profile
Top Holders
| Holder | Shares Held | % O/S | Share Change | Filing Date |
|---|---|---|---|---|
| Fidelity Management & Research Company | 20,947,127 | 15.04 | -- | 3/31/20 |
| The Vanguard Group, Inc. | 12,053,561 | 8.65 | 87,169 | 3/31/20 |
| Baillie Gifford & Co. | 8,745,683 | 6.28 | -44,342 | 3/31/20 |
| Bellevue Asset Management AG | 8,379,642 | 6.01 | -52,178 | 3/31/20 |
| ClearBridge Investments, LLC | 8,034,264 | 5.77 | 86,688 | 3/31/20 |
| BlackRock Institutional Trust Company, N.A. | 6,704,413 | 4.82 | -250,741 | 3/31/20 |
| Biogen Inc | 5,750,577 | 4.09 | -5,750,576 | 12/31/19 |
| Wellington Management Company, LLP | 3,985,217 | 2.86 | -2,752,639 | 3/31/20 |
| State Street Global Advisors (US) | 3,892,894 | 2.79 | 45,509 | 3/31/20 |
| T. Rowe Price Associates, Inc. | 3,762,445 | 2.70 | 1,898,009 | 3/31/20 |
Top Holders: Mutual Funds
| Fund | Shares Held | % O/S | Share Change | Filing Date |
|---|---|---|---|---|
| Fidelity Growth Company Fund | 8,467,414 | 6.08 | -47,030 | 3/31/20 |
| BB Biotech Fd | 7,907,255 | 5.68 | -87,700 | 3/31/20 |
| Vanguard Total Stock Market Index Fund | 3,717,803 | 2.67 | 64,154 | 3/31/20 |
| Vanguard Small-Cap Index Fund | 3,240,446 | 2.33 | -1,504 | 2/29/20 |
| ClearBridge Aggressive Growth Fund | 2,306,791 | 1.66 | -- | 3/31/20 |
| Fidelity Series Growth Company Fund | 2,085,834 | 1.50 | -- | 3/31/20 |
| Ivy Science and Technology Fund | 2,022,117 | 1.45 | -23,830 | 3/31/20 |
| Vanguard Small-Cap Growth Index Fund | 1,879,293 | 1.35 | -20,864 | 2/29/20 |
| Vanguard Extended Market Index Fund | 1,824,569 | 1.31 | 6,267 | 3/31/20 |
| Fidelity Select Biotechnology Portfolio | 1,773,977 | 1.27 | -- | 3/31/20 |
* Insider values reflect direct beneficial ownership.
Copyright Thomson Reuters Corporation