DEXCOM INC

Ticker: DXCM CUSIP: 252131107 Class: EQTY

DF DENT & CO INC's Holding History (CIK: 0000934999)

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

Q4 2025

Shares 25,317 Value ($000) $1,680 Avg Close $64.65 Range $54.11 - $72.08

Q3 2025

Shares 19,821 Value ($000) $1,334 Avg Close $79.14 Range $65.18 - $89.98

Q2 2025

Shares 32,732 Value ($000) $2,857 Avg Close $78.38 Range $57.52 - $88.32

Q1 2025

Shares 32,810 Value ($000) $2,241 Avg Close $81.60 Range $66.25 - $93.25

Q4 2024

Shares 37,758 Value ($000) $2,936 Avg Close $74.04 Range $64.76 - $82.26

Q3 2024

Shares 32,670 Value ($000) $2,190 Avg Close $82.12 Range $62.34 - $117.19

Q2 2024

Shares 26,260 Value ($000) $2,977 Avg Close $126.43 Range $108.71 - $141.99

Q1 2024

Shares 26,300 Value ($000) $3,648 Avg Close $125.70 Range $113.05 - $142.00

Q4 2023

Shares 26,301 Value ($000) $3,264 Avg Close $102.16 Range $74.75 - $126.37

Q3 2023

Shares 12,562 Value ($000) $1,172 Avg Close $112.73 Range $85.31 - $139.55

Q2 2023

Shares 12,619 Value ($000) $1,622 Avg Close $120.95 Range $110.90 - $134.14

Q1 2023

Shares 12,622 Value ($000) $1,466 Avg Close $111.94 Range $102.50 - $123.14

Q4 2022

Shares 12,622 Value ($000) $1,429 Avg Close $109.79 Range $81.06 - $125.55

Q3 2022

Shares 12,648 Value ($000) $1,019 Avg Close $84.70 Range $73.93 - $94.60

Q1 2020

Shares 1,009 Value ($000) $272 Avg Close $62.23 Range $45.52 - $76.68

Q4 2019

Shares 34,119 Value ($000) $7,463 Avg Close $47.43 Range $36.31 - $58.00

Q3 2019

Shares 42,077 Value ($000) $6,280 Avg Close $38.85 Range $34.57 - $44.61

Q2 2019

Shares 41,541 Value ($000) $6,225 Avg Close $31.43 Range $26.86 - $39.38

Q1 2019

Shares 41,600 Value ($000) $4,955 Avg Close $35.14 Range $27.58 - $39.04

Q4 2018

Shares 12,548 Value ($000) $1,503 Avg Close $31.72 Range $26.26 - $38.03

Q3 2018

Shares 11,592 Value ($000) $1,658 Avg Close $31.00 Range $23.08 - $37.14

Q2 2018

Shares 14,606 Value ($000) $1,387 Avg Close $21.20 Range $17.38 - $25.52

Q1 2018

Shares 14,454 Value ($000) $1,072 Avg Close $14.79 Range $12.76 - $18.82

Q4 2017

Shares 13,753 Value ($000) $789 Avg Close $13.00 Range $10.94 - $15.59

Q3 2017

Shares 75,856 Value ($000) $3,711 Avg Close $17.68 Range $10.65 - $19.73

Q2 2017

Shares 14,094 Value ($000) $1,031 Avg Close $18.47 Range $16.54 - $21.33

Q1 2017

Shares 9,639 Value ($000) $817 Avg Close $19.52 Range $14.42 - $22.20

Q4 2016

Shares 9,035 Value ($000) $539 Avg Close $17.71 Range $14.84 - $21.95

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	25,317	$1,680	$64.65	$54.11 - $72.08
Q3 2025	19,821	$1,334	$79.14	$65.18 - $89.98
Q2 2025	32,732	$2,857	$78.38	$57.52 - $88.32
Q1 2025	32,810	$2,241	$81.60	$66.25 - $93.25
Q4 2024	37,758	$2,936	$74.04	$64.76 - $82.26
Q3 2024	32,670	$2,190	$82.12	$62.34 - $117.19
Q2 2024	26,260	$2,977	$126.43	$108.71 - $141.99
Q1 2024	26,300	$3,648	$125.70	$113.05 - $142.00
Q4 2023	26,301	$3,264	$102.16	$74.75 - $126.37
Q3 2023	12,562	$1,172	$112.73	$85.31 - $139.55
Q2 2023	12,619	$1,622	$120.95	$110.90 - $134.14
Q1 2023	12,622	$1,466	$111.94	$102.50 - $123.14
Q4 2022	12,622	$1,429	$109.79	$81.06 - $125.55
Q3 2022	12,648	$1,019	$84.70	$73.93 - $94.60
Q1 2020	1,009	$272	$62.23	$45.52 - $76.68
Q4 2019	34,119	$7,463	$47.43	$36.31 - $58.00
Q3 2019	42,077	$6,280	$38.85	$34.57 - $44.61
Q2 2019	41,541	$6,225	$31.43	$26.86 - $39.38
Q1 2019	41,600	$4,955	$35.14	$27.58 - $39.04
Q4 2018	12,548	$1,503	$31.72	$26.26 - $38.03
Q3 2018	11,592	$1,658	$31.00	$23.08 - $37.14
Q2 2018	14,606	$1,387	$21.20	$17.38 - $25.52
Q1 2018	14,454	$1,072	$14.79	$12.76 - $18.82
Q4 2017	13,753	$789	$13.00	$10.94 - $15.59
Q3 2017	75,856	$3,711	$17.68	$10.65 - $19.73
Q2 2017	14,094	$1,031	$18.47	$16.54 - $21.33
Q1 2017	9,639	$817	$19.52	$14.42 - $22.20
Q4 2016	9,035	$539	$17.71	$14.84 - $21.95