GILEAD SCIENCES INC

Ticker: GILD CUSIP: 375558103 Class: COM

BRIDGEWAY CAPITAL MANAGEMENT, LLC's Holding History (CIK: 0001107261)

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

Q4 2018

Shares 603,600 Value ($000) $37,755 Avg Close $53.01 Range $46.07 - $60.29

Q3 2018

Shares 786,800 Value ($000) $60,749 Avg Close $56.84 Range $52.83 - $59.40

Q2 2018

Shares 1,084,550 Value ($000) $76,830 Avg Close $52.72 Range $47.91 - $56.84

Q1 2018

Shares 1,064,375 Value ($000) $80,243 Avg Close $58.92 Range $53.09 - $66.28

Q4 2017

Shares 1,084,975 Value ($000) $77,728 Avg Close $55.90 Range $51.50 - $61.93

Q3 2017

Shares 750,265 Value ($000) $60,786 Avg Close $55.94 Range $50.08 - $63.04

Q2 2017

Shares 315,955 Value ($000) $22,363 Avg Close $48.32 Range $46.30 - $52.73

Q1 2017

Shares 326,780 Value ($000) $22,195 Avg Close $50.66 Range $47.03 - $55.37

Q4 2016

Shares 319,910 Value ($000) $22,909 Avg Close $53.19 Range $50.62 - $57.18

Q3 2016

Shares 277,120 Value ($000) $21,926 Avg Close $57.78 Range $54.47 - $63.12

Q2 2016

Shares 267,170 Value ($000) $22,287 Avg Close $62.76 Range $55.35 - $72.83

Q1 2016

Shares 281,180 Value ($000) $25,829 Avg Close $63.47 Range $57.57 - $70.78

Q4 2015

Shares 280,245 Value ($000) $28,358 Avg Close $72.90 Range $66.06 - $77.78

Q3 2015

Shares 279,505 Value ($000) $27,445 Avg Close $77.50 Range $59.97 - $83.93

Q2 2015

Shares 273,465 Value ($000) $32,017 Avg Close $75.98 Range $66.27 - $86.02

Q1 2015

Shares 287,725 Value ($000) $28,234 Avg Close $70.55 Range $64.74 - $74.87

Q4 2014

Shares 262,325 Value ($000) $24,727 Avg Close $71.85 Range $59.71 - $81.17

Q3 2014

Shares 232,345 Value ($000) $24,733 Avg Close $68.03 Range $57.89 - $76.87

Q2 2014

Shares 242,455 Value ($000) $20,102 Avg Close $54.08 Range $44.12 - $58.67

Q1 2014

Shares 245,130 Value ($000) $17,370 Avg Close $54.49 Range $46.99 - $58.97

Q4 2013

Shares 229,200 Value ($000) $17,213 Avg Close $48.38 Range $40.86 - $52.88

Q3 2013

Shares 51,700 Value ($000) $3,250 Avg Close $41.52 Range $35.72 - $44.98

Q2 2013

Shares 52,100 Value ($000) $2,671 Avg Close $36.21 Range $32.33 - $40.34

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	603,600	$37,755	$53.01	$46.07 - $60.29
Q3 2018	786,800	$60,749	$56.84	$52.83 - $59.40
Q2 2018	1,084,550	$76,830	$52.72	$47.91 - $56.84
Q1 2018	1,064,375	$80,243	$58.92	$53.09 - $66.28
Q4 2017	1,084,975	$77,728	$55.90	$51.50 - $61.93
Q3 2017	750,265	$60,786	$55.94	$50.08 - $63.04
Q2 2017	315,955	$22,363	$48.32	$46.30 - $52.73
Q1 2017	326,780	$22,195	$50.66	$47.03 - $55.37
Q4 2016	319,910	$22,909	$53.19	$50.62 - $57.18
Q3 2016	277,120	$21,926	$57.78	$54.47 - $63.12
Q2 2016	267,170	$22,287	$62.76	$55.35 - $72.83
Q1 2016	281,180	$25,829	$63.47	$57.57 - $70.78
Q4 2015	280,245	$28,358	$72.90	$66.06 - $77.78
Q3 2015	279,505	$27,445	$77.50	$59.97 - $83.93
Q2 2015	273,465	$32,017	$75.98	$66.27 - $86.02
Q1 2015	287,725	$28,234	$70.55	$64.74 - $74.87
Q4 2014	262,325	$24,727	$71.85	$59.71 - $81.17
Q3 2014	232,345	$24,733	$68.03	$57.89 - $76.87
Q2 2014	242,455	$20,102	$54.08	$44.12 - $58.67
Q1 2014	245,130	$17,370	$54.49	$46.99 - $58.97
Q4 2013	229,200	$17,213	$48.38	$40.86 - $52.88
Q3 2013	51,700	$3,250	$41.52	$35.72 - $44.98
Q2 2013	52,100	$2,671	$36.21	$32.33 - $40.34