GILEAD SCIENCES INC

Ticker: GILD CUSIP: 375558103 Class: COM

Calamos Advisors LLC's Holding History (CIK: 0001316507)

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

Q4 2025

Shares 225,569 Value ($000) $27,686 Avg Close $120.88 Range $107.75 - $127.86

Q3 2025

Shares 234,690 Value ($000) $26,051 Avg Close $112.28 Range $106.30 - $120.20

Q2 2025

Shares 234,785 Value ($000) $26,031 Avg Close $104.39 Range $91.47 - $112.41

Q1 2025

Shares 234,785 Value ($000) $26,308 Avg Close $100.53 Range $86.16 - $116.70

Q4 2024

Shares 232,271 Value ($000) $21,455 Avg Close $87.00 Range $79.90 - $95.41

Q3 2024

Shares 232,271 Value ($000) $19,474 Avg Close $73.07 Range $63.09 - $81.66

Q2 2024

Shares 237,942 Value ($000) $16,325 Avg Close $63.13 Range $58.61 - $69.13

Q1 2024

Shares 246,645 Value ($000) $18,067 Avg Close $71.99 Range $66.70 - $82.12

Q4 2023

Shares 252,818 Value ($000) $20,481 Avg Close $72.19 Range $67.49 - $77.07

Q3 2023

Shares 257,585 Value ($000) $19,303 Avg Close $70.68 Range $67.18 - $74.69

Q2 2023

Shares 410,208 Value ($000) $31,615 Avg Close $72.58 Range $68.24 - $79.37

Q1 2023

Shares 410,095 Value ($000) $34,026 Avg Close $74.68 Range $69.52 - $79.45

Q4 2022

Shares 441,863 Value ($000) $37,934 Avg Close $70.79 Range $54.84 - $80.35

Q3 2022

Shares 389,677 Value ($000) $24,039 Avg Close $55.78 Range $52.30 - $60.78

Q2 2022

Shares 389,297 Value ($000) $24,062 Avg Close $54.09 Range $50.45 - $57.05

Q1 2022

Shares 379,785 Value ($000) $22,578 Avg Close $55.16 Range $49.33 - $63.17

Q4 2021

Shares 334,952 Value ($000) $24,321 Avg Close $58.80 Range $54.57 - $63.79

Q3 2021

Shares 323,934 Value ($000) $22,627 Avg Close $59.38 Range $56.82 - $61.86

Q2 2021

Shares 298,427 Value ($000) $20,550 Avg Close $55.86 Range $51.71 - $58.52

Q1 2021

Shares 241,689 Value ($000) $15,620 Avg Close $53.36 Range $47.81 - $57.24

Q4 2020

Shares 235,734 Value ($000) $13,734 Avg Close $49.35 Range $46.55 - $53.04

Q3 2020

Shares 243,822 Value ($000) $15,407 Avg Close $56.12 Range $50.31 - $63.75

Q2 2020

Shares 425,921 Value ($000) $32,770 Avg Close $61.47 Range $57.14 - $68.68

Q1 2020

Shares 542,481 Value ($000) $40,556 Avg Close $54.92 Range $49.36 - $68.82

Q4 2019

Shares 537,596 Value ($000) $34,933 Avg Close $51.27 Range $47.84 - $54.06

Q3 2019

Shares 541,942 Value ($000) $34,348 Avg Close $50.98 Range $48.41 - $53.99

Q2 2019

Shares 518,523 Value ($000) $35,031 Avg Close $50.82 Range $47.46 - $54.48

Q1 2019

Shares 563,184 Value ($000) $36,613 Avg Close $50.86 Range $46.97 - $53.84

Q4 2018

Shares 560,272 Value ($000) $35,045 Avg Close $53.01 Range $46.07 - $60.29

Q3 2018

Shares 526,941 Value ($000) $40,685 Avg Close $56.84 Range $52.83 - $59.40

Q2 2018

Shares 339,224 Value ($000) $24,031 Avg Close $52.72 Range $47.91 - $56.84

Q1 2018

Shares 321,033 Value ($000) $24,203 Avg Close $58.92 Range $53.09 - $66.28

Q4 2017

Shares 315,847 Value ($000) $22,627 Avg Close $55.90 Range $51.50 - $61.93

Q3 2017

Shares 318,834 Value ($000) $25,832 Avg Close $55.94 Range $50.08 - $63.04

Q2 2017

Shares 308,736 Value ($000) $21,852 Avg Close $48.32 Range $46.30 - $52.73

Q1 2017

Shares 558,335 Value ($000) $37,922 Avg Close $50.66 Range $47.03 - $55.37

Q4 2016

Shares 660,439 Value ($000) $47,294 Avg Close $53.19 Range $50.62 - $57.18

Q3 2016

Shares 666,576 Value ($000) $52,739 Avg Close $57.78 Range $54.47 - $63.12

Q2 2016

Shares 723,334 Value ($000) $60,341 Avg Close $62.76 Range $55.35 - $72.83

Q1 2016

Shares 545,722 Value ($000) $50,130 Avg Close $63.47 Range $57.57 - $70.78

Q4 2015

Shares 531,820 Value ($000) $53,815 Avg Close $72.90 Range $66.06 - $77.78

Q3 2015

Shares 552,389 Value ($000) $54,239 Avg Close $77.50 Range $59.97 - $83.93

Q2 2015

Shares 552,122 Value ($000) $64,642 Avg Close $75.98 Range $66.27 - $86.02

Q1 2015

Shares 396,325 Value ($000) $38,891 Avg Close $70.55 Range $64.74 - $74.87

Q4 2014

Shares 722,112 Value ($000) $68,066 Avg Close $71.85 Range $59.71 - $81.17

Q3 2014

Shares 932,704 Value ($000) $99,286 Avg Close $68.03 Range $57.89 - $76.87

Q2 2014

Shares 1,687,531 Value ($000) $139,913 Avg Close $54.08 Range $44.12 - $58.67

Q1 2014

Shares 1,991,650 Value ($000) $141,128 Avg Close $54.49 Range $46.99 - $58.97

Q4 2013

Shares 2,037,495 Value ($000) $153,118 Avg Close $48.38 Range $40.86 - $52.88

Q3 2013

Shares 2,299,209 Value ($000) $144,482 Avg Close $41.52 Range $35.72 - $44.98

Q2 2013

Shares 3,751,364 Value ($000) $192,107 Avg Close $36.21 Range $32.33 - $40.34

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	225,569	$27,686	$120.88	$107.75 - $127.86
Q3 2025	234,690	$26,051	$112.28	$106.30 - $120.20
Q2 2025	234,785	$26,031	$104.39	$91.47 - $112.41
Q1 2025	234,785	$26,308	$100.53	$86.16 - $116.70
Q4 2024	232,271	$21,455	$87.00	$79.90 - $95.41
Q3 2024	232,271	$19,474	$73.07	$63.09 - $81.66
Q2 2024	237,942	$16,325	$63.13	$58.61 - $69.13
Q1 2024	246,645	$18,067	$71.99	$66.70 - $82.12
Q4 2023	252,818	$20,481	$72.19	$67.49 - $77.07
Q3 2023	257,585	$19,303	$70.68	$67.18 - $74.69
Q2 2023	410,208	$31,615	$72.58	$68.24 - $79.37
Q1 2023	410,095	$34,026	$74.68	$69.52 - $79.45
Q4 2022	441,863	$37,934	$70.79	$54.84 - $80.35
Q3 2022	389,677	$24,039	$55.78	$52.30 - $60.78
Q2 2022	389,297	$24,062	$54.09	$50.45 - $57.05
Q1 2022	379,785	$22,578	$55.16	$49.33 - $63.17
Q4 2021	334,952	$24,321	$58.80	$54.57 - $63.79
Q3 2021	323,934	$22,627	$59.38	$56.82 - $61.86
Q2 2021	298,427	$20,550	$55.86	$51.71 - $58.52
Q1 2021	241,689	$15,620	$53.36	$47.81 - $57.24
Q4 2020	235,734	$13,734	$49.35	$46.55 - $53.04
Q3 2020	243,822	$15,407	$56.12	$50.31 - $63.75
Q2 2020	425,921	$32,770	$61.47	$57.14 - $68.68
Q1 2020	542,481	$40,556	$54.92	$49.36 - $68.82
Q4 2019	537,596	$34,933	$51.27	$47.84 - $54.06
Q3 2019	541,942	$34,348	$50.98	$48.41 - $53.99
Q2 2019	518,523	$35,031	$50.82	$47.46 - $54.48
Q1 2019	563,184	$36,613	$50.86	$46.97 - $53.84
Q4 2018	560,272	$35,045	$53.01	$46.07 - $60.29
Q3 2018	526,941	$40,685	$56.84	$52.83 - $59.40
Q2 2018	339,224	$24,031	$52.72	$47.91 - $56.84
Q1 2018	321,033	$24,203	$58.92	$53.09 - $66.28
Q4 2017	315,847	$22,627	$55.90	$51.50 - $61.93
Q3 2017	318,834	$25,832	$55.94	$50.08 - $63.04
Q2 2017	308,736	$21,852	$48.32	$46.30 - $52.73
Q1 2017	558,335	$37,922	$50.66	$47.03 - $55.37
Q4 2016	660,439	$47,294	$53.19	$50.62 - $57.18
Q3 2016	666,576	$52,739	$57.78	$54.47 - $63.12
Q2 2016	723,334	$60,341	$62.76	$55.35 - $72.83
Q1 2016	545,722	$50,130	$63.47	$57.57 - $70.78
Q4 2015	531,820	$53,815	$72.90	$66.06 - $77.78
Q3 2015	552,389	$54,239	$77.50	$59.97 - $83.93
Q2 2015	552,122	$64,642	$75.98	$66.27 - $86.02
Q1 2015	396,325	$38,891	$70.55	$64.74 - $74.87
Q4 2014	722,112	$68,066	$71.85	$59.71 - $81.17
Q3 2014	932,704	$99,286	$68.03	$57.89 - $76.87
Q2 2014	1,687,531	$139,913	$54.08	$44.12 - $58.67
Q1 2014	1,991,650	$141,128	$54.49	$46.99 - $58.97
Q4 2013	2,037,495	$153,118	$48.38	$40.86 - $52.88
Q3 2013	2,299,209	$144,482	$41.52	$35.72 - $44.98
Q2 2013	3,751,364	$192,107	$36.21	$32.33 - $40.34