DEXCOM INC

Ticker: DXCM CUSIP: 252131107 Class: EQTY

CITADEL ADVISORS LLC's Holding History (CIK: 0001423053)

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

Q4 2025

Shares 86,900 Value ($000) $5,768 Avg Close $64.65 Range $54.11 - $72.08

Q3 2025

Shares 6,778,490 Value ($000) $456,125 Avg Close $79.14 Range $65.18 - $89.98

Q2 2025

Shares 1,368,728 Value ($000) $119,476 Avg Close $78.38 Range $57.52 - $88.32

Q1 2025

Shares 2,127,423 Value ($000) $145,282 Avg Close $81.60 Range $66.25 - $93.25

Q4 2024

Shares 4,261,441 Value ($000) $331,412 Avg Close $74.04 Range $64.76 - $82.26

Q3 2024

Shares 1,233,844 Value ($000) $82,717 Avg Close $82.12 Range $62.34 - $117.19

Q2 2024

Shares 727,885 Value ($000) $82,528 Avg Close $126.43 Range $108.71 - $141.99

Q1 2024

Shares 692,382 Value ($000) $96,033 Avg Close $125.70 Range $113.05 - $142.00

Q4 2023

Shares 2,375,760 Value ($000) $294,808 Avg Close $102.16 Range $74.75 - $126.37

Q3 2023

Shares 943,650 Value ($000) $88,043 Avg Close $112.73 Range $85.31 - $139.55

Q2 2023

Shares 258,044 Value ($000) $33,161 Avg Close $120.95 Range $110.90 - $134.14

Q1 2023

Shares 4,038,374 Value ($000) $469,178 Avg Close $111.94 Range $102.50 - $123.14

Q4 2022

Shares 2,232,844 Value ($000) $252,847 Avg Close $109.79 Range $81.06 - $125.55

Q3 2022

Shares 649,527 Value ($000) $52,313 Avg Close $84.70 Range $73.93 - $94.60

Q2 2022

Shares 3,070,874 Value ($000) $228,872 Avg Close $91.26 Range $66.89 - $134.76

Q1 2022

Shares 313,101 Value ($000) $160,183 Avg Close $109.39 Range $91.43 - $133.20

Q4 2021

Shares 148,925 Value ($000) $79,965 Avg Close $143.69 Range $127.62 - $164.86

Q3 2021

Shares 183,848 Value ($000) $100,539 Avg Close $126.11 Range $105.19 - $144.75

Q2 2021

Shares 4,321 Value ($000) $1,845 Avg Close $96.03 Range $79.61 - $109.91

Q1 2021

Shares 126,878 Value ($000) $45,599 Avg Close $93.87 Range $84.28 - $105.85

Q4 2020

Shares 6,129 Value ($000) $2,266 Avg Close $89.29 Range $76.41 - $105.00

Q3 2020

Shares 140,019 Value ($000) $57,720 Avg Close $104.48 Range $93.91 - $114.06

Q2 2020

Shares 179,159 Value ($000) $72,631 Avg Close $89.45 Range $62.50 - $107.15

Q1 2020

Shares 336,552 Value ($000) $90,623 Avg Close $62.23 Range $45.52 - $76.68

Q4 2019

Shares 434,090 Value ($000) $94,953 Avg Close $47.43 Range $36.31 - $58.00

Q3 2019

Shares 115,084 Value ($000) $17,175 Avg Close $38.85 Range $34.57 - $44.61

Q2 2019

Shares 471,301 Value ($000) $70,620 Avg Close $31.43 Range $26.86 - $39.38

Q1 2019

Shares 269,663 Value ($000) $32,117 Avg Close $35.14 Range $27.58 - $39.04

Q4 2018

Shares 289,670 Value ($000) $34,702 Avg Close $31.72 Range $26.26 - $38.03

Q3 2018

Shares 978,341 Value ($000) $139,942 Avg Close $31.00 Range $23.08 - $37.14

Q2 2018

Shares 655,324 Value ($000) $62,242 Avg Close $21.20 Range $17.38 - $25.52

Q1 2018

Shares 177,877 Value ($000) $13,191 Avg Close $14.79 Range $12.76 - $18.82

Q4 2017

Shares 59,987 Value ($000) $3,443 Avg Close $13.00 Range $10.94 - $15.59

Q3 2017

Shares 192,648 Value ($000) $9,425 Avg Close $17.68 Range $10.65 - $19.73

Q2 2017

Shares 55,193 Value ($000) $4,037 Avg Close $18.47 Range $16.54 - $21.33

Q1 2017

Shares 24,415 Value ($000) $2,069 Avg Close $19.52 Range $14.42 - $22.20

Q4 2016

Shares 24,463 Value ($000) $1,460 Avg Close $17.71 Range $14.84 - $21.95

Q3 2016

Shares 25,935 Value ($000) $2,273 Avg Close $22.24 Range $19.05 - $24.09

Q2 2016

Shares 6,414 Value ($000) $509 Avg Close $17.03 Range $15.02 - $20.31

Q1 2016

Shares 17,381 Value ($000) $1,180 Avg Close $16.70 Range $11.98 - $20.97

Q4 2015

Shares 130,729 Value ($000) $10,706 Avg Close $20.81 Range $17.57 - $22.36

Q3 2015

Shares 122,742 Value ($000) $10,538 Avg Close $22.31 Range $19.11 - $25.82

Q2 2015

Shares 285,057 Value ($000) $22,800 Avg Close $17.56 Range $15.20 - $20.14

Q1 2015

Shares 280,283 Value ($000) $17,473 Avg Close $15.11 Range $13.32 - $16.16

Q4 2014

Shares 290,329 Value ($000) $15,983 Avg Close $12.24 Range $9.69 - $14.58

Q3 2014

Shares 194,528 Value ($000) $7,779 Avg Close $10.22 Range $8.67 - $11.59

Q2 2014

Shares 257,115 Value ($000) $10,198 Avg Close $8.86 Range $7.02 - $10.62

Q1 2014

Shares 103,432 Value ($000) $4,278 Avg Close $10.34 Range $8.53 - $12.46

Q4 2013

Shares 145,758 Value ($000) $5,161 Avg Close $7.91 Range $6.67 - $8.99

Q3 2013

Shares 127,035 Value ($000) $3,586 Avg Close $6.33 Range $5.44 - $7.31

Q2 2013

Shares 108,404 Value ($000) $2,434 Avg Close $4.79 Range $3.76 - $5.74

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	86,900	$5,768	$64.65	$54.11 - $72.08
Q3 2025	6,778,490	$456,125	$79.14	$65.18 - $89.98
Q2 2025	1,368,728	$119,476	$78.38	$57.52 - $88.32
Q1 2025	2,127,423	$145,282	$81.60	$66.25 - $93.25
Q4 2024	4,261,441	$331,412	$74.04	$64.76 - $82.26
Q3 2024	1,233,844	$82,717	$82.12	$62.34 - $117.19
Q2 2024	727,885	$82,528	$126.43	$108.71 - $141.99
Q1 2024	692,382	$96,033	$125.70	$113.05 - $142.00
Q4 2023	2,375,760	$294,808	$102.16	$74.75 - $126.37
Q3 2023	943,650	$88,043	$112.73	$85.31 - $139.55
Q2 2023	258,044	$33,161	$120.95	$110.90 - $134.14
Q1 2023	4,038,374	$469,178	$111.94	$102.50 - $123.14
Q4 2022	2,232,844	$252,847	$109.79	$81.06 - $125.55
Q3 2022	649,527	$52,313	$84.70	$73.93 - $94.60
Q2 2022	3,070,874	$228,872	$91.26	$66.89 - $134.76
Q1 2022	313,101	$160,183	$109.39	$91.43 - $133.20
Q4 2021	148,925	$79,965	$143.69	$127.62 - $164.86
Q3 2021	183,848	$100,539	$126.11	$105.19 - $144.75
Q2 2021	4,321	$1,845	$96.03	$79.61 - $109.91
Q1 2021	126,878	$45,599	$93.87	$84.28 - $105.85
Q4 2020	6,129	$2,266	$89.29	$76.41 - $105.00
Q3 2020	140,019	$57,720	$104.48	$93.91 - $114.06
Q2 2020	179,159	$72,631	$89.45	$62.50 - $107.15
Q1 2020	336,552	$90,623	$62.23	$45.52 - $76.68
Q4 2019	434,090	$94,953	$47.43	$36.31 - $58.00
Q3 2019	115,084	$17,175	$38.85	$34.57 - $44.61
Q2 2019	471,301	$70,620	$31.43	$26.86 - $39.38
Q1 2019	269,663	$32,117	$35.14	$27.58 - $39.04
Q4 2018	289,670	$34,702	$31.72	$26.26 - $38.03
Q3 2018	978,341	$139,942	$31.00	$23.08 - $37.14
Q2 2018	655,324	$62,242	$21.20	$17.38 - $25.52
Q1 2018	177,877	$13,191	$14.79	$12.76 - $18.82
Q4 2017	59,987	$3,443	$13.00	$10.94 - $15.59
Q3 2017	192,648	$9,425	$17.68	$10.65 - $19.73
Q2 2017	55,193	$4,037	$18.47	$16.54 - $21.33
Q1 2017	24,415	$2,069	$19.52	$14.42 - $22.20
Q4 2016	24,463	$1,460	$17.71	$14.84 - $21.95
Q3 2016	25,935	$2,273	$22.24	$19.05 - $24.09
Q2 2016	6,414	$509	$17.03	$15.02 - $20.31
Q1 2016	17,381	$1,180	$16.70	$11.98 - $20.97
Q4 2015	130,729	$10,706	$20.81	$17.57 - $22.36
Q3 2015	122,742	$10,538	$22.31	$19.11 - $25.82
Q2 2015	285,057	$22,800	$17.56	$15.20 - $20.14
Q1 2015	280,283	$17,473	$15.11	$13.32 - $16.16
Q4 2014	290,329	$15,983	$12.24	$9.69 - $14.58
Q3 2014	194,528	$7,779	$10.22	$8.67 - $11.59
Q2 2014	257,115	$10,198	$8.86	$7.02 - $10.62
Q1 2014	103,432	$4,278	$10.34	$8.53 - $12.46
Q4 2013	145,758	$5,161	$7.91	$6.67 - $8.99
Q3 2013	127,035	$3,586	$6.33	$5.44 - $7.31
Q2 2013	108,404	$2,434	$4.79	$3.76 - $5.74