Security key
670703107
CUSIP: 670703107
Security key
670703107
Report period
Q4 2021
Institutions
49
Top holders
10
Broader feeds
Ownership snapshot
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Quick read
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| DEERFIELD MANAGEMENT COMPANY, L.P. |
13F
Company
|
26%
|
$436,140,000
19,341,024 shares
|
— | 30 Sep 2021 |
| FMR LLC |
13F
Company
|
8.6%
|
$139,875,000
6,427,307 shares
|
— | 30 Sep 2021 |
| Bain Capital Life Sciences Investors, LLC |
13F
Company
|
4.6%
|
$77,302,000
3,428,014 shares
|
— | 30 Sep 2021 |
| VIKING GLOBAL INVESTORS LP |
13F
Company
|
2.2%
|
$37,155,000
1,647,671 shares
|
— | 30 Sep 2021 |
| Janus Henderson Group Ltd. |
13F
Company
|
1.9%
|
$30,174,000
1,427,976 shares
|
— | 30 Sep 2021 |
| Avoro Capital Advisors LLC |
13F
Company
|
1.7%
|
$22,288,000
1,257,671 shares
|
— | 30 Sep 2021 |
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Investor-level positions for this CUSIP, loaded as an interactive table.
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
| Investor | Q3 2021 Shares | Q4 2021 Shares | Share Diff | Share Chg % | Q3 2021 value | Q4 2021 value | Value change | Value Chg % |
|---|