DEXCOM INC

Ticker: DXCM CUSIP: 252131107 Class: EQTY

NORTHERN TRUST CORP's Holding History (CIK: 0000073124)

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

Q4 2025

Shares 3,376,421 Value ($000) $224,093 Avg Close $64.65 Range $54.11 - $72.08

Q3 2025

Shares 3,721,544 Value ($000) $250,423 Avg Close $79.14 Range $65.18 - $89.98

Q2 2025

Shares 3,835,420 Value ($000) $334,794 Avg Close $78.38 Range $57.52 - $88.32

Q1 2025

Shares 3,887,173 Value ($000) $265,455 Avg Close $81.60 Range $66.25 - $93.25

Q4 2024

Shares 4,146,249 Value ($000) $322,454 Avg Close $74.04 Range $64.76 - $82.26

Q3 2024

Shares 3,392,392 Value ($000) $227,426 Avg Close $82.12 Range $62.34 - $117.19

Q2 2024

Shares 3,489,058 Value ($000) $395,589 Avg Close $126.43 Range $108.71 - $141.99

Q1 2024

Shares 3,466,064 Value ($000) $480,743 Avg Close $125.70 Range $113.05 - $142.00

Q4 2023

Shares 3,612,198 Value ($000) $448,238 Avg Close $102.16 Range $74.75 - $126.37

Q3 2023

Shares 3,896,515 Value ($000) $363,545 Avg Close $112.73 Range $85.31 - $139.55

Q2 2023

Shares 3,805,266 Value ($000) $489,015 Avg Close $120.95 Range $110.90 - $134.14

Q1 2023

Shares 3,928,275 Value ($000) $456,387 Avg Close $111.94 Range $102.50 - $123.14

Q4 2022

Shares 3,964,338 Value ($000) $448,922 Avg Close $109.79 Range $81.06 - $125.55

Q3 2022

Shares 3,972,643 Value ($000) $319,957 Avg Close $84.70 Range $73.93 - $94.60

Q2 2022

Shares 3,877,274 Value ($000) $288,974 Avg Close $91.26 Range $66.89 - $134.76

Q1 2022

Shares 1,020,136 Value ($000) $521,901 Avg Close $109.39 Range $91.43 - $133.20

Q4 2021

Shares 1,020,396 Value ($000) $547,901 Avg Close $143.69 Range $127.62 - $164.86

Q3 2021

Shares 1,023,198 Value ($000) $559,545 Avg Close $126.11 Range $105.19 - $144.75

Q2 2021

Shares 1,017,135 Value ($000) $434,317 Avg Close $96.03 Range $79.61 - $109.91

Q1 2021

Shares 1,013,713 Value ($000) $364,319 Avg Close $93.87 Range $84.28 - $105.85

Q4 2020

Shares 1,008,877 Value ($000) $373,002 Avg Close $89.29 Range $76.41 - $105.00

Q3 2020

Shares 1,031,791 Value ($000) $425,335 Avg Close $104.48 Range $93.91 - $114.06

Q2 2020

Shares 1,014,676 Value ($000) $411,350 Avg Close $89.45 Range $62.50 - $107.15

Q1 2020

Shares 617,768 Value ($000) $166,346 Avg Close $62.23 Range $45.52 - $76.68

Q4 2019

Shares 588,348 Value ($000) $128,695 Avg Close $47.43 Range $36.31 - $58.00

Q3 2019

Shares 589,487 Value ($000) $87,975 Avg Close $38.85 Range $34.57 - $44.61

Q2 2019

Shares 556,521 Value ($000) $83,388 Avg Close $31.43 Range $26.86 - $39.38

Q1 2019

Shares 540,465 Value ($000) $64,370 Avg Close $35.14 Range $27.58 - $39.04

Q4 2018

Shares 527,351 Value ($000) $63,177 Avg Close $31.72 Range $26.26 - $38.03

Q3 2018

Shares 432,852 Value ($000) $61,915 Avg Close $31.00 Range $23.08 - $37.14

Q2 2018

Shares 451,647 Value ($000) $42,896 Avg Close $21.20 Range $17.38 - $25.52

Q1 2018

Shares 433,016 Value ($000) $32,111 Avg Close $14.79 Range $12.76 - $18.82

Q4 2017

Shares 426,058 Value ($000) $24,452 Avg Close $13.00 Range $10.94 - $15.59

Q3 2017

Shares 504,215 Value ($000) $24,670 Avg Close $17.68 Range $10.65 - $19.73

Q2 2017

Shares 500,715 Value ($000) $36,626 Avg Close $18.47 Range $16.54 - $21.33

Q1 2017

Shares 507,141 Value ($000) $42,971 Avg Close $19.52 Range $14.42 - $22.20

Q4 2016

Shares 503,729 Value ($000) $30,073 Avg Close $17.71 Range $14.84 - $21.95

Q3 2016

Shares 620,966 Value ($000) $54,433 Avg Close $22.24 Range $19.05 - $24.09

Q2 2016

Shares 601,521 Value ($000) $47,719 Avg Close $17.03 Range $15.02 - $20.31

Q1 2016

Shares 577,143 Value ($000) $42,764 Avg Close $16.70 Range $11.98 - $20.97

Q4 2015

Shares 529,916 Value ($000) $43,399 Avg Close $20.81 Range $17.57 - $22.36

Q3 2015

Shares 533,408 Value ($000) $45,798 Avg Close $22.31 Range $19.11 - $25.82

Q2 2015

Shares 797,565 Value ($000) $63,790 Avg Close $17.56 Range $15.20 - $20.14

Q1 2015

Shares 995,521 Value ($000) $62,061 Avg Close $15.11 Range $13.32 - $16.16

Q4 2014

Shares 966,101 Value ($000) $53,183 Avg Close $12.24 Range $9.69 - $14.58

Q3 2014

Shares 956,383 Value ($000) $38,246 Avg Close $10.22 Range $8.67 - $11.59

Q2 2014

Shares 851,677 Value ($000) $33,778 Avg Close $8.86 Range $7.02 - $10.62

Q1 2014

Shares 1,017,940 Value ($000) $42,102 Avg Close $10.34 Range $8.53 - $12.46

Q4 2013

Shares 1,004,021 Value ($000) $35,552 Avg Close $7.91 Range $6.67 - $8.99

Q3 2013

Shares 977,356 Value ($000) $27,581 Avg Close $6.33 Range $5.44 - $7.31

Q2 2013

Shares 976,243 Value ($000) $21,917 Avg Close $4.79 Range $3.76 - $5.74

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	3,376,421	$224,093	$64.65	$54.11 - $72.08
Q3 2025	3,721,544	$250,423	$79.14	$65.18 - $89.98
Q2 2025	3,835,420	$334,794	$78.38	$57.52 - $88.32
Q1 2025	3,887,173	$265,455	$81.60	$66.25 - $93.25
Q4 2024	4,146,249	$322,454	$74.04	$64.76 - $82.26
Q3 2024	3,392,392	$227,426	$82.12	$62.34 - $117.19
Q2 2024	3,489,058	$395,589	$126.43	$108.71 - $141.99
Q1 2024	3,466,064	$480,743	$125.70	$113.05 - $142.00
Q4 2023	3,612,198	$448,238	$102.16	$74.75 - $126.37
Q3 2023	3,896,515	$363,545	$112.73	$85.31 - $139.55
Q2 2023	3,805,266	$489,015	$120.95	$110.90 - $134.14
Q1 2023	3,928,275	$456,387	$111.94	$102.50 - $123.14
Q4 2022	3,964,338	$448,922	$109.79	$81.06 - $125.55
Q3 2022	3,972,643	$319,957	$84.70	$73.93 - $94.60
Q2 2022	3,877,274	$288,974	$91.26	$66.89 - $134.76
Q1 2022	1,020,136	$521,901	$109.39	$91.43 - $133.20
Q4 2021	1,020,396	$547,901	$143.69	$127.62 - $164.86
Q3 2021	1,023,198	$559,545	$126.11	$105.19 - $144.75
Q2 2021	1,017,135	$434,317	$96.03	$79.61 - $109.91
Q1 2021	1,013,713	$364,319	$93.87	$84.28 - $105.85
Q4 2020	1,008,877	$373,002	$89.29	$76.41 - $105.00
Q3 2020	1,031,791	$425,335	$104.48	$93.91 - $114.06
Q2 2020	1,014,676	$411,350	$89.45	$62.50 - $107.15
Q1 2020	617,768	$166,346	$62.23	$45.52 - $76.68
Q4 2019	588,348	$128,695	$47.43	$36.31 - $58.00
Q3 2019	589,487	$87,975	$38.85	$34.57 - $44.61
Q2 2019	556,521	$83,388	$31.43	$26.86 - $39.38
Q1 2019	540,465	$64,370	$35.14	$27.58 - $39.04
Q4 2018	527,351	$63,177	$31.72	$26.26 - $38.03
Q3 2018	432,852	$61,915	$31.00	$23.08 - $37.14
Q2 2018	451,647	$42,896	$21.20	$17.38 - $25.52
Q1 2018	433,016	$32,111	$14.79	$12.76 - $18.82
Q4 2017	426,058	$24,452	$13.00	$10.94 - $15.59
Q3 2017	504,215	$24,670	$17.68	$10.65 - $19.73
Q2 2017	500,715	$36,626	$18.47	$16.54 - $21.33
Q1 2017	507,141	$42,971	$19.52	$14.42 - $22.20
Q4 2016	503,729	$30,073	$17.71	$14.84 - $21.95
Q3 2016	620,966	$54,433	$22.24	$19.05 - $24.09
Q2 2016	601,521	$47,719	$17.03	$15.02 - $20.31
Q1 2016	577,143	$42,764	$16.70	$11.98 - $20.97
Q4 2015	529,916	$43,399	$20.81	$17.57 - $22.36
Q3 2015	533,408	$45,798	$22.31	$19.11 - $25.82
Q2 2015	797,565	$63,790	$17.56	$15.20 - $20.14
Q1 2015	995,521	$62,061	$15.11	$13.32 - $16.16
Q4 2014	966,101	$53,183	$12.24	$9.69 - $14.58
Q3 2014	956,383	$38,246	$10.22	$8.67 - $11.59
Q2 2014	851,677	$33,778	$8.86	$7.02 - $10.62
Q1 2014	1,017,940	$42,102	$10.34	$8.53 - $12.46
Q4 2013	1,004,021	$35,552	$7.91	$6.67 - $8.99
Q3 2013	977,356	$27,581	$6.33	$5.44 - $7.31
Q2 2013	976,243	$21,917	$4.79	$3.76 - $5.74