MACROGENICS INC

Ticker: MGNX CUSIP: 556099109 Class: COM

TANAKA CAPITAL MANAGEMENT INC's Holding History (CIK: 0000816788)

Note: Option positions (PUT/CALL) are excluded.

Q1 2017

Shares 16,720 Value ($000) $311 Avg Close $19.29 Range $17.29 - $22.00

Q4 2016

Shares 25,250 Value ($000) $516 Avg Close $25.17 Range $18.22 - $31.85

Q3 2016

Shares 26,170 Value ($000) $783 Avg Close $29.74 Range $25.25 - $33.30

Q2 2016

Shares 26,170 Value ($000) $706 Avg Close $22.55 Range $16.28 - $28.37

Q1 2016

Shares 26,170 Value ($000) $491 Avg Close $19.04 Range $14.84 - $30.66

Q4 2015

Shares 25,600 Value ($000) $793 Avg Close $30.38 Range $19.67 - $36.11

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2017	16,720	$311	$19.29	$17.29 - $22.00
Q4 2016	25,250	$516	$25.17	$18.22 - $31.85
Q3 2016	26,170	$783	$29.74	$25.25 - $33.30
Q2 2016	26,170	$706	$22.55	$16.28 - $28.37
Q1 2016	26,170	$491	$19.04	$14.84 - $30.66
Q4 2015	25,600	$793	$30.38	$19.67 - $36.11