Security key
55279B202
CUSIP: 55279B202
Security key
55279B202
Report period
Q4 2018
Institutions
55
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 |
|---|---|---|---|---|---|
| Vivo Capital, LLC |
13F
Company
|
20%
|
$24,904,000
5,778,106 shares
|
— | 30 Sep 2018 |
| NEA Management Company, LLC |
13F
Company
|
19%
|
$24,656,000
5,720,572 shares
|
— | 30 Sep 2018 |
| CAXTON CORP |
13F
Company
|
12%
|
$15,855,000
3,678,600 shares
|
— | 30 Sep 2018 |
| BVF INC/IL |
13F
Company
|
10%
|
$13,276,000
3,080,308 shares
|
— | 30 Sep 2018 |
| Boxer Capital, LLC |
13F
Company
|
9.9%
|
$12,555,000
2,913,091 shares
|
— | 30 Sep 2018 |
| VANGUARD GROUP INC |
13F
Company
|
7.9%
|
$10,095,000
2,342,115 shares
|
— | 30 Sep 2018 |
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 2018 Shares | Q4 2018 Shares | Share Diff | Share Chg % | Q3 2018 value | Q4 2018 value | Value change | Value Chg % |
|---|