GILEAD SCIENCES INC

Ticker: GILD CUSIP: 375558103 Class: COM

Palo Alto Investors LP's Holding History (CIK: 0001306923)

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

Q4 2019

Shares 39,300 Value ($000) $2,554 Avg Close $51.27 Range $47.84 - $54.06

Q3 2019

Shares 39,300 Value ($000) $2,491 Avg Close $50.98 Range $48.41 - $53.99

Q2 2019

Shares 175,900 Value ($000) $11,884 Avg Close $50.82 Range $47.46 - $54.48

Q1 2019

Shares 175,900 Value ($000) $11,435 Avg Close $50.86 Range $46.97 - $53.84

Q4 2018

Shares 175,900 Value ($000) $11,003 Avg Close $53.01 Range $46.07 - $60.29

Q3 2018

Shares 175,900 Value ($000) $13,581 Avg Close $56.84 Range $52.83 - $59.40

Q2 2018

Shares 175,900 Value ($000) $12,461 Avg Close $52.72 Range $47.91 - $56.84

Q1 2018

Shares 175,900 Value ($000) $13,261 Avg Close $58.92 Range $53.09 - $66.28

Q4 2017

Shares 175,900 Value ($000) $12,601 Avg Close $55.90 Range $51.50 - $61.93

Q3 2017

Shares 175,900 Value ($000) $14,251 Avg Close $55.94 Range $50.08 - $63.04

Q2 2017

Shares 351,600 Value ($000) $24,886 Avg Close $48.32 Range $46.30 - $52.73

Q1 2017

Shares 351,600 Value ($000) $23,881 Avg Close $50.66 Range $47.03 - $55.37

Q4 2016

Shares 318,400 Value ($000) $22,801 Avg Close $53.19 Range $50.62 - $57.18

Q3 2016

Shares 318,400 Value ($000) $25,192 Avg Close $57.78 Range $54.47 - $63.12

Q2 2016

Shares 318,400 Value ($000) $26,561 Avg Close $62.76 Range $55.35 - $72.83

Q1 2016

Shares 302,900 Value ($000) $27,824 Avg Close $63.47 Range $57.57 - $70.78

Q4 2015

Shares 302,900 Value ($000) $30,650 Avg Close $72.90 Range $66.06 - $77.78

Q3 2015

Shares 316,900 Value ($000) $31,116 Avg Close $77.50 Range $59.97 - $83.93

Q2 2015

Shares 299,500 Value ($000) $35,065 Avg Close $75.98 Range $66.27 - $86.02

Q1 2015

Shares 291,000 Value ($000) $28,556 Avg Close $70.55 Range $64.74 - $74.87

Q4 2014

Shares 234,600 Value ($000) $22,113 Avg Close $71.85 Range $59.71 - $81.17

Q3 2014

Shares 167,500 Value ($000) $17,830 Avg Close $68.03 Range $57.89 - $76.87

Q2 2014

Shares 154,400 Value ($000) $12,801 Avg Close $54.08 Range $44.12 - $58.67

Q1 2014

Shares 3,600 Value ($000) $255 Avg Close $54.49 Range $46.99 - $58.97

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2019	39,300	$2,554	$51.27	$47.84 - $54.06
Q3 2019	39,300	$2,491	$50.98	$48.41 - $53.99
Q2 2019	175,900	$11,884	$50.82	$47.46 - $54.48
Q1 2019	175,900	$11,435	$50.86	$46.97 - $53.84
Q4 2018	175,900	$11,003	$53.01	$46.07 - $60.29
Q3 2018	175,900	$13,581	$56.84	$52.83 - $59.40
Q2 2018	175,900	$12,461	$52.72	$47.91 - $56.84
Q1 2018	175,900	$13,261	$58.92	$53.09 - $66.28
Q4 2017	175,900	$12,601	$55.90	$51.50 - $61.93
Q3 2017	175,900	$14,251	$55.94	$50.08 - $63.04
Q2 2017	351,600	$24,886	$48.32	$46.30 - $52.73
Q1 2017	351,600	$23,881	$50.66	$47.03 - $55.37
Q4 2016	318,400	$22,801	$53.19	$50.62 - $57.18
Q3 2016	318,400	$25,192	$57.78	$54.47 - $63.12
Q2 2016	318,400	$26,561	$62.76	$55.35 - $72.83
Q1 2016	302,900	$27,824	$63.47	$57.57 - $70.78
Q4 2015	302,900	$30,650	$72.90	$66.06 - $77.78
Q3 2015	316,900	$31,116	$77.50	$59.97 - $83.93
Q2 2015	299,500	$35,065	$75.98	$66.27 - $86.02
Q1 2015	291,000	$28,556	$70.55	$64.74 - $74.87
Q4 2014	234,600	$22,113	$71.85	$59.71 - $81.17
Q3 2014	167,500	$17,830	$68.03	$57.89 - $76.87
Q2 2014	154,400	$12,801	$54.08	$44.12 - $58.67
Q1 2014	3,600	$255	$54.49	$46.99 - $58.97