DEXCOM INC

Ticker: DXCM CUSIP: 252131107 Class: EQTY

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q4 2025

Shares 1,871,705 Value ($000) $124,245 Avg Close $64.65 Range $54.11 - $72.08

Q3 2025

Shares 1,444,566 Value ($000) $97,187 Avg Close $79.14 Range $65.18 - $89.98

Q2 2025

Shares 947,527 Value ($000) $82,701 Avg Close $78.38 Range $57.52 - $88.32

Q1 2025

Shares 950,746 Value ($000) $64,912 Avg Close $81.60 Range $66.25 - $93.25

Q4 2024

Shares 933,763 Value ($000) $72,625 Avg Close $74.04 Range $64.76 - $82.26

Q3 2024

Shares 957,030 Value ($000) $64,165 Avg Close $82.12 Range $62.34 - $117.19

Q2 2024

Shares 919,650 Value ($000) $104,282 Avg Close $126.43 Range $108.71 - $141.99

Q1 2024

Shares 650,848 Value ($000) $90,273 Avg Close $125.70 Range $113.05 - $142.00

Q4 2023

Shares 647,172 Value ($000) $80,308 Avg Close $102.16 Range $74.75 - $126.37

Q3 2023

Shares 607,386 Value ($000) $56,677 Avg Close $112.73 Range $85.31 - $139.55

Q2 2023

Shares 551,816 Value ($000) $70,914 Avg Close $120.95 Range $110.90 - $134.14

Q1 2023

Shares 535,642 Value ($000) $62,226 Avg Close $111.94 Range $102.50 - $123.14

Q4 2022

Shares 517,292 Value ($000) $59 Avg Close $109.79 Range $81.06 - $125.55

Q3 2022

Shares 540,775 Value ($000) $43,558 Avg Close $84.70 Range $73.93 - $94.60

Q2 2022

Shares 534,620 Value ($000) $39,845 Avg Close $91.26 Range $66.89 - $134.76

Q1 2022

Shares 133,490 Value ($000) $68,297 Avg Close $109.39 Range $91.43 - $133.20

Q4 2021

Shares 147,751 Value ($000) $79,336 Avg Close $143.69 Range $127.62 - $164.86

Q3 2021

Shares 148,555 Value ($000) $81,240 Avg Close $126.11 Range $105.19 - $144.75

Q2 2021

Shares 161,750 Value ($000) $69,067 Avg Close $96.03 Range $79.61 - $109.91

Q1 2021

Shares 164,104 Value ($000) $58,968 Avg Close $93.87 Range $84.28 - $105.85

Q4 2020

Shares 164,940 Value ($000) $60,976 Avg Close $89.29 Range $76.41 - $105.00

Q3 2020

Shares 163,564 Value ($000) $67,415 Avg Close $104.48 Range $93.91 - $114.06

Q2 2020

Shares 177,079 Value ($000) $71,780 Avg Close $89.45 Range $62.50 - $107.15

Q1 2020

Shares 140,160 Value ($000) $37,751 Avg Close $62.23 Range $45.52 - $76.68

Q4 2019

Shares 138,260 Value ($000) $30,240 Avg Close $47.43 Range $36.31 - $58.00

Q3 2019

Shares 137,236 Value ($000) $20,481 Avg Close $38.85 Range $34.57 - $44.61

Q2 2019

Shares 140,240 Value ($000) $21,008 Avg Close $31.43 Range $26.86 - $39.38

Q1 2019

Shares 140,627 Value ($000) $16,748 Avg Close $35.14 Range $27.58 - $39.04

Q4 2018

Shares 164,763 Value ($000) $19,738 Avg Close $31.72 Range $26.26 - $38.03

Q3 2018

Shares 161,295 Value ($000) $23,073 Avg Close $31.00 Range $23.08 - $37.14

Q2 2018

Shares 159,537 Value ($000) $15,152 Avg Close $21.20 Range $17.38 - $25.52

Q1 2018

Shares 148,342 Value ($000) $11,001 Avg Close $14.79 Range $12.76 - $18.82

Q4 2017

Shares 127,071 Value ($000) $7,293 Avg Close $13.00 Range $10.94 - $15.59

Q3 2017

Shares 127,769 Value ($000) $6,247 Avg Close $17.68 Range $10.65 - $19.73

Q2 2017

Shares 126,674 Value ($000) $9,267 Avg Close $18.47 Range $16.54 - $21.33

Q1 2017

Shares 109,153 Value ($000) $9,249 Avg Close $19.52 Range $14.42 - $22.20

Q4 2016

Shares 110,292 Value ($000) $6,586 Avg Close $17.71 Range $14.84 - $21.95

Q3 2016

Shares 105,610 Value ($000) $9,258 Avg Close $22.24 Range $19.05 - $24.09

Q2 2016

Shares 101,958 Value ($000) $8,088 Avg Close $17.03 Range $15.02 - $20.31

Q1 2016

Shares 101,672 Value ($000) $6,902 Avg Close $16.70 Range $11.98 - $20.97

Q4 2015

Shares 123,502 Value ($000) $10,115 Avg Close $20.81 Range $17.57 - $22.36

Q3 2015

Shares 124,238 Value ($000) $10,665 Avg Close $22.31 Range $19.11 - $25.82

Q2 2015

Shares 123,344 Value ($000) $9,865 Avg Close $17.56 Range $15.20 - $20.14

Q1 2015

Shares 107,822 Value ($000) $6,721 Avg Close $15.11 Range $13.32 - $16.16

Q4 2014

Shares 96,462 Value ($000) $5,310 Avg Close $12.24 Range $9.69 - $14.58

Q3 2014

Shares 22,744 Value ($000) $910 Avg Close $10.22 Range $8.67 - $11.59

Q2 2014

Shares 1,450 Value ($000) $58 Avg Close $8.86 Range $7.02 - $10.62

Q1 2014

Shares 16,351 Value ($000) $676 Avg Close $10.34 Range $8.53 - $12.46

Q4 2013

Shares 1,150 Value ($000) $41 Avg Close $7.91 Range $6.67 - $8.99

Q3 2013

Shares 1,150 Value ($000) $32 Avg Close $6.33 Range $5.44 - $7.31

Q2 2013

Shares 1,150 Value ($000) $26 Avg Close $4.79 Range $3.76 - $5.74

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,871,705	$124,245	$64.65	$54.11 - $72.08
Q3 2025	1,444,566	$97,187	$79.14	$65.18 - $89.98
Q2 2025	947,527	$82,701	$78.38	$57.52 - $88.32
Q1 2025	950,746	$64,912	$81.60	$66.25 - $93.25
Q4 2024	933,763	$72,625	$74.04	$64.76 - $82.26
Q3 2024	957,030	$64,165	$82.12	$62.34 - $117.19
Q2 2024	919,650	$104,282	$126.43	$108.71 - $141.99
Q1 2024	650,848	$90,273	$125.70	$113.05 - $142.00
Q4 2023	647,172	$80,308	$102.16	$74.75 - $126.37
Q3 2023	607,386	$56,677	$112.73	$85.31 - $139.55
Q2 2023	551,816	$70,914	$120.95	$110.90 - $134.14
Q1 2023	535,642	$62,226	$111.94	$102.50 - $123.14
Q4 2022	517,292	$59	$109.79	$81.06 - $125.55
Q3 2022	540,775	$43,558	$84.70	$73.93 - $94.60
Q2 2022	534,620	$39,845	$91.26	$66.89 - $134.76
Q1 2022	133,490	$68,297	$109.39	$91.43 - $133.20
Q4 2021	147,751	$79,336	$143.69	$127.62 - $164.86
Q3 2021	148,555	$81,240	$126.11	$105.19 - $144.75
Q2 2021	161,750	$69,067	$96.03	$79.61 - $109.91
Q1 2021	164,104	$58,968	$93.87	$84.28 - $105.85
Q4 2020	164,940	$60,976	$89.29	$76.41 - $105.00
Q3 2020	163,564	$67,415	$104.48	$93.91 - $114.06
Q2 2020	177,079	$71,780	$89.45	$62.50 - $107.15
Q1 2020	140,160	$37,751	$62.23	$45.52 - $76.68
Q4 2019	138,260	$30,240	$47.43	$36.31 - $58.00
Q3 2019	137,236	$20,481	$38.85	$34.57 - $44.61
Q2 2019	140,240	$21,008	$31.43	$26.86 - $39.38
Q1 2019	140,627	$16,748	$35.14	$27.58 - $39.04
Q4 2018	164,763	$19,738	$31.72	$26.26 - $38.03
Q3 2018	161,295	$23,073	$31.00	$23.08 - $37.14
Q2 2018	159,537	$15,152	$21.20	$17.38 - $25.52
Q1 2018	148,342	$11,001	$14.79	$12.76 - $18.82
Q4 2017	127,071	$7,293	$13.00	$10.94 - $15.59
Q3 2017	127,769	$6,247	$17.68	$10.65 - $19.73
Q2 2017	126,674	$9,267	$18.47	$16.54 - $21.33
Q1 2017	109,153	$9,249	$19.52	$14.42 - $22.20
Q4 2016	110,292	$6,586	$17.71	$14.84 - $21.95
Q3 2016	105,610	$9,258	$22.24	$19.05 - $24.09
Q2 2016	101,958	$8,088	$17.03	$15.02 - $20.31
Q1 2016	101,672	$6,902	$16.70	$11.98 - $20.97
Q4 2015	123,502	$10,115	$20.81	$17.57 - $22.36
Q3 2015	124,238	$10,665	$22.31	$19.11 - $25.82
Q2 2015	123,344	$9,865	$17.56	$15.20 - $20.14
Q1 2015	107,822	$6,721	$15.11	$13.32 - $16.16
Q4 2014	96,462	$5,310	$12.24	$9.69 - $14.58
Q3 2014	22,744	$910	$10.22	$8.67 - $11.59
Q2 2014	1,450	$58	$8.86	$7.02 - $10.62
Q1 2014	16,351	$676	$10.34	$8.53 - $12.46
Q4 2013	1,150	$41	$7.91	$6.67 - $8.99
Q3 2013	1,150	$32	$6.33	$5.44 - $7.31
Q2 2013	1,150	$26	$4.79	$3.76 - $5.74