13G Filing: Boxer Capital, LLC and Macrogenics Inc (MGNX)

Name of
reporting persons.

Boxer Capital, LLC

Check the appropriate box if a member
of a group. (See instructions)

(a)  ☐        (b)  ☒

SEC use only.

Citizenship or place of
organization.

Delaware

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH

REPORTING

PERSON

WITH:

Sole voting power.

-0-

Shared voting power.

1,987,000

Sole dispositive power.

-0-

Shared dispositive power.

1,987,000

Aggregate amount beneficially owned by each reporting person.

1,987,000

Check box if the aggregate amount in
row (9) excludes certain shares (see instructions).

☐

Percent of class represented by amount
in row (9).

5.5%*

Type of reporting person

OO