Ownership Profile
Ownership Profile
Top Holders
| Holder | Shares Held | % O/S | Share Change | Filing Date |
|---|---|---|---|---|
| Fidelity Management & Research Company LLC | 21,093,896 | 14.96 | 168,862 | 3/31/21 |
| The Vanguard Group, Inc. | 12,604,149 | 8.94 | 359,761 | 3/31/21 |
| T. Rowe Price Associates, Inc. | 12,580,056 | 8.92 | -534,911 | 3/31/21 |
| Bellevue Asset Management AG | 8,984,234 | 6.37 | -65,858 | 3/31/21 |
| BlackRock Institutional Trust Company, N.A. | 7,877,954 | 5.59 | -23,785 | 3/31/21 |
| ClearBridge Investments, LLC | 7,402,967 | 5.25 | 487,820 | 3/31/21 |
| Biogen Inc | 5,750,577 | 4.08 | -5,750,576 | 12/31/19 |
| ARK Investment Management LLC | 5,142,271 | 3.65 | 2,742,717 | 3/31/21 |
| State Street Global Advisors (US) | 3,409,571 | 2.42 | -503,757 | 3/31/21 |
| Invesco Advisers, Inc. | 2,303,171 | 1.63 | -924,974 | 3/31/21 |
Top Holders: Mutual Funds
| Fund | Shares Held | % O/S | Share Change | Filing Date |
|---|---|---|---|---|
| BB Biotech Fd | 8,166,962 | 5.79 | -32,951 | 3/31/21 |
| ARK Genomic Revolution ETF | 7,859,210 | 5.58 | 1,890,358 | 5/31/21 |
| Fidelity Growth Company Fund | 7,745,607 | 5.49 | -108,807 | 4/30/21 |
| Vanguard Total Stock Market Index Fund | 3,827,997 | 2.72 | 49,928 | 5/31/21 |
| T. Rowe Price Mid-Cap Growth Fund | 3,750,000 | 2.66 | -- | 3/31/21 |
| Vanguard Small-Cap Index Fund | 3,303,625 | 2.34 | 18,710 | 5/31/21 |
| ClearBridge Aggressive Growth Fund | 2,306,791 | 1.64 | -- | 12/31/20 |
| Vanguard Small-Cap Growth Index Fund | 2,155,607 | 1.53 | 7,729 | 5/31/21 |
| Vanguard Extended Market Index Fund | 2,020,562 | 1.43 | 12,819 | 5/31/21 |
| Fidelity Select Biotechnology Portfolio | 1,722,677 | 1.22 | -- | 4/30/21 |
* Insider values reflect direct beneficial ownership.
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