GILEAD SCIENCES INC

Ticker: GILD CUSIP: 375558103 Class: COM

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

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

Q4 2025

Shares 277,328 Value ($000) $34,039 Avg Close $120.88 Range $107.75 - $127.86

Q3 2025

Shares 141,032 Value ($000) $15,655 Avg Close $112.28 Range $106.30 - $120.20

Q2 2025

Shares 5,332 Value ($000) $591 Avg Close $104.39 Range $91.47 - $112.41

Q1 2025

Shares 5,332 Value ($000) $597 Avg Close $100.53 Range $86.16 - $116.70

Q4 2024

Shares 5,332 Value ($000) $493 Avg Close $87.00 Range $79.90 - $95.41

Q3 2024

Shares 5,332 Value ($000) $447 Avg Close $73.07 Range $63.09 - $81.66

Q2 2024

Shares 5,332 Value ($000) $366 Avg Close $63.13 Range $58.61 - $69.13

Q1 2024

Shares 5,332 Value ($000) $391 Avg Close $71.99 Range $66.70 - $82.12

Q4 2023

Shares 5,332 Value ($000) $432 Avg Close $72.19 Range $67.49 - $77.07

Q3 2023

Shares 5,332 Value ($000) $400 Avg Close $70.68 Range $67.18 - $74.69

Q2 2023

Shares 5,332 Value ($000) $411 Avg Close $72.58 Range $68.24 - $79.37

Q1 2023

Shares 5,332 Value ($000) $442 Avg Close $74.68 Range $69.52 - $79.45

Q4 2022

Shares 5,332 Value ($000) $458 Avg Close $70.79 Range $54.84 - $80.35

Q3 2022

Shares 5,332 Value ($000) $329 Avg Close $55.78 Range $52.30 - $60.78

Q2 2022

Shares 5,332 Value ($000) $330 Avg Close $54.09 Range $50.45 - $57.05

Q1 2022

Shares 8,850 Value ($000) $526 Avg Close $55.16 Range $49.33 - $63.17

Q4 2021

Shares 8,850 Value ($000) $643 Avg Close $58.80 Range $54.57 - $63.79

Q3 2021

Shares 8,850 Value ($000) $618 Avg Close $59.38 Range $56.82 - $61.86

Q2 2021

Shares 8,850 Value ($000) $609 Avg Close $55.86 Range $51.71 - $58.52

Q1 2021

Shares 8,850 Value ($000) $572 Avg Close $53.36 Range $47.81 - $57.24

Q4 2020

Shares 8,850 Value ($000) $516 Avg Close $49.35 Range $46.55 - $53.04

Q3 2020

Shares 8,850 Value ($000) $559 Avg Close $56.12 Range $50.31 - $63.75

Q2 2020

Shares 8,850 Value ($000) $681 Avg Close $61.47 Range $57.14 - $68.68

Q1 2020

Shares 8,850 Value ($000) $662 Avg Close $54.92 Range $49.36 - $68.82

Q4 2019

Shares 8,850 Value ($000) $575 Avg Close $51.27 Range $47.84 - $54.06

Q3 2019

Shares 8,850 Value ($000) $561 Avg Close $50.98 Range $48.41 - $53.99

Q2 2019

Shares 8,850 Value ($000) $598 Avg Close $50.82 Range $47.46 - $54.48

Q1 2019

Shares 8,850 Value ($000) $575 Avg Close $50.86 Range $46.97 - $53.84

Q4 2018

Shares 97,868 Value ($000) $6,122 Avg Close $53.01 Range $46.07 - $60.29

Q3 2018

Shares 105,508 Value ($000) $8,146 Avg Close $56.84 Range $52.83 - $59.40

Q2 2018

Shares 106,508 Value ($000) $7,545 Avg Close $52.72 Range $47.91 - $56.84

Q1 2018

Shares 107,748 Value ($000) $8,123 Avg Close $58.92 Range $53.09 - $66.28

Q4 2017

Shares 113,078 Value ($000) $8,101 Avg Close $55.90 Range $51.50 - $61.93

Q3 2017

Shares 118,818 Value ($000) $9,627 Avg Close $55.94 Range $50.08 - $63.04

Q2 2017

Shares 8,850 Value ($000) $626 Avg Close $48.32 Range $46.30 - $52.73

Q1 2017

Shares 15,250 Value ($000) $1,036 Avg Close $50.66 Range $47.03 - $55.37

Q4 2016

Shares 17,650 Value ($000) $1,264 Avg Close $53.19 Range $50.62 - $57.18

Q3 2016

Shares 231,000 Value ($000) $18,277 Avg Close $57.78 Range $54.47 - $63.12

Q2 2016

Shares 312,130 Value ($000) $26,038 Avg Close $62.76 Range $55.35 - $72.83

Q1 2016

Shares 336,910 Value ($000) $30,949 Avg Close $63.47 Range $57.57 - $70.78

Q4 2015

Shares 373,070 Value ($000) $37,751 Avg Close $72.90 Range $66.06 - $77.78

Q3 2015

Shares 516,370 Value ($000) $50,702 Avg Close $77.50 Range $59.97 - $83.93

Q2 2015

Shares 536,770 Value ($000) $62,845 Avg Close $75.98 Range $66.27 - $86.02

Q1 2015

Shares 659,500 Value ($000) $64,717 Avg Close $70.55 Range $64.74 - $74.87

Q4 2014

Shares 756,720 Value ($000) $71,328 Avg Close $71.85 Range $59.71 - $81.17

Q3 2014

Shares 925,970 Value ($000) $65,614 Avg Close $68.03 Range $57.89 - $76.87

Q2 2014

Shares 425,560 Value ($000) $35,283 Avg Close $54.08 Range $44.12 - $58.67

Q1 2014

Shares 925,970 Value ($000) $65,614 Avg Close $54.49 Range $46.99 - $58.97

Q4 2013

Shares 1,406,781 Value ($000) $105,649 Avg Close $48.38 Range $40.86 - $52.88

Q3 2013

Shares 253,150 Value ($000) $26,948 Avg Close $41.52 Range $35.72 - $44.98

Q2 2013

Shares 1,141,000 Value ($000) $58,499 Avg Close $36.21 Range $32.33 - $40.34

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	277,328	$34,039	$120.88	$107.75 - $127.86
Q3 2025	141,032	$15,655	$112.28	$106.30 - $120.20
Q2 2025	5,332	$591	$104.39	$91.47 - $112.41
Q1 2025	5,332	$597	$100.53	$86.16 - $116.70
Q4 2024	5,332	$493	$87.00	$79.90 - $95.41
Q3 2024	5,332	$447	$73.07	$63.09 - $81.66
Q2 2024	5,332	$366	$63.13	$58.61 - $69.13
Q1 2024	5,332	$391	$71.99	$66.70 - $82.12
Q4 2023	5,332	$432	$72.19	$67.49 - $77.07
Q3 2023	5,332	$400	$70.68	$67.18 - $74.69
Q2 2023	5,332	$411	$72.58	$68.24 - $79.37
Q1 2023	5,332	$442	$74.68	$69.52 - $79.45
Q4 2022	5,332	$458	$70.79	$54.84 - $80.35
Q3 2022	5,332	$329	$55.78	$52.30 - $60.78
Q2 2022	5,332	$330	$54.09	$50.45 - $57.05
Q1 2022	8,850	$526	$55.16	$49.33 - $63.17
Q4 2021	8,850	$643	$58.80	$54.57 - $63.79
Q3 2021	8,850	$618	$59.38	$56.82 - $61.86
Q2 2021	8,850	$609	$55.86	$51.71 - $58.52
Q1 2021	8,850	$572	$53.36	$47.81 - $57.24
Q4 2020	8,850	$516	$49.35	$46.55 - $53.04
Q3 2020	8,850	$559	$56.12	$50.31 - $63.75
Q2 2020	8,850	$681	$61.47	$57.14 - $68.68
Q1 2020	8,850	$662	$54.92	$49.36 - $68.82
Q4 2019	8,850	$575	$51.27	$47.84 - $54.06
Q3 2019	8,850	$561	$50.98	$48.41 - $53.99
Q2 2019	8,850	$598	$50.82	$47.46 - $54.48
Q1 2019	8,850	$575	$50.86	$46.97 - $53.84
Q4 2018	97,868	$6,122	$53.01	$46.07 - $60.29
Q3 2018	105,508	$8,146	$56.84	$52.83 - $59.40
Q2 2018	106,508	$7,545	$52.72	$47.91 - $56.84
Q1 2018	107,748	$8,123	$58.92	$53.09 - $66.28
Q4 2017	113,078	$8,101	$55.90	$51.50 - $61.93
Q3 2017	118,818	$9,627	$55.94	$50.08 - $63.04
Q2 2017	8,850	$626	$48.32	$46.30 - $52.73
Q1 2017	15,250	$1,036	$50.66	$47.03 - $55.37
Q4 2016	17,650	$1,264	$53.19	$50.62 - $57.18
Q3 2016	231,000	$18,277	$57.78	$54.47 - $63.12
Q2 2016	312,130	$26,038	$62.76	$55.35 - $72.83
Q1 2016	336,910	$30,949	$63.47	$57.57 - $70.78
Q4 2015	373,070	$37,751	$72.90	$66.06 - $77.78
Q3 2015	516,370	$50,702	$77.50	$59.97 - $83.93
Q2 2015	536,770	$62,845	$75.98	$66.27 - $86.02
Q1 2015	659,500	$64,717	$70.55	$64.74 - $74.87
Q4 2014	756,720	$71,328	$71.85	$59.71 - $81.17
Q3 2014	925,970	$65,614	$68.03	$57.89 - $76.87
Q2 2014	425,560	$35,283	$54.08	$44.12 - $58.67
Q1 2014	925,970	$65,614	$54.49	$46.99 - $58.97
Q4 2013	1,406,781	$105,649	$48.38	$40.86 - $52.88
Q3 2013	253,150	$26,948	$41.52	$35.72 - $44.98
Q2 2013	1,141,000	$58,499	$36.21	$32.33 - $40.34