4.40% | % of Shares Held by All Insider |
99.02% | % of Shares Held by Institutions |
103.57% | % of Float Held by Institutions |
238 | Number of Institutions Holding Shares |
Holder | Shares | Date Reported | % Out | Value |
---|---|---|---|---|
RTW Investments LP | 15,802,802 | Dec 30, 2021 | 24.00% | 344,975,167 |
Wellington Management Group, LLP | 3,490,879 | Dec 30, 2021 | 5.30% | 76,205,888 |
Blackrock Inc. | 3,331,368 | Mar 30, 2022 | 5.06% | 52,835,496 |
Vanguard Group, Inc. (The) | 3,301,138 | Dec 30, 2021 | 5.01% | 72,063,842 |
Tang Capital Management, LLC | 2,531,800 | Dec 30, 2021 | 3.85% | 55,269,194 |
State Street Corporation | 2,343,413 | Dec 30, 2021 | 3.56% | 51,156,705 |
Price (T.Rowe) Associates Inc | 2,192,894 | Dec 30, 2021 | 3.33% | 47,870,876 |
RA Capital Management, L.P. | 2,107,149 | Dec 30, 2021 | 3.20% | 45,999,062 |
Westfield Capital Management Co LP | 2,037,991 | Dec 30, 2021 | 3.10% | 44,489,343 |
Perceptive Advisors Llc | 1,959,125 | Dec 30, 2021 | 2.98% | 42,767,698 |
Holder | Shares | Date Reported | % Out | Value |
---|---|---|---|---|
SPDR (R) Ser Tr-SPDR (R) S&P (R) Biotech ETF | 1,689,801 | Jan 30, 2022 | 2.57% | 28,118,288 |
Vanguard Total Stock Market Index Fund | 1,289,887 | Dec 30, 2021 | 1.96% | 28,158,233 |
Vanguard Specialized-Health Care Fund | 1,199,337 | Jan 30, 2022 | 1.82% | 19,956,967 |
iShares Russell 2000 ETF | 929,869 | Jan 30, 2022 | 1.41% | 15,473,020 |
Lord Abbett Developing Growth Fund | 666,451 | Jan 30, 2022 | 1.01% | 11,089,744 |
Vanguard Extended Market Index Fund | 618,124 | Dec 30, 2021 | 0.94% | 13,493,646 |
Vanguard Small-Cap Index Fund | 571,799 | Dec 30, 2021 | 0.87% | 12,482,372 |
Price (T.Rowe) New Horizons Fund | 491,322 | Dec 30, 2021 | 0.75% | 10,725,559 |
iShares NASDAQ Biotechnology ETF | 485,893 | Jan 30, 2022 | 0.74% | 8,085,259 |
Price (T.Rowe) Small-Cap Value Fund | 465,900 | Dec 30, 2021 | 0.71% | 10,170,597 |