DEXCOM INC

Ticker: DXCM CUSIP: 252131107 Class: EQTY

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q4 2025

Shares 602,946 Value ($000) $40,018 Avg Close $64.65 Range $54.11 - $72.08

Q3 2025

Shares 620,132 Value ($000) $41,729 Avg Close $79.14 Range $65.18 - $89.98

Q2 2025

Shares 618,776 Value ($000) $54,013 Avg Close $78.38 Range $57.52 - $88.32

Q1 2025

Shares 624,555 Value ($000) $42,651 Avg Close $81.60 Range $66.25 - $93.25

Q4 2024

Shares 635,596 Value ($000) $49,430 Avg Close $74.04 Range $64.76 - $82.26

Q3 2024

Shares 631,600 Value ($000) $42,342 Avg Close $82.12 Range $62.34 - $117.19

Q2 2024

Shares 616,509 Value ($000) $69,900 Avg Close $126.43 Range $108.71 - $141.99

Q1 2024

Shares 615,429 Value ($000) $85,360 Avg Close $125.70 Range $113.05 - $142.00

Q4 2023

Shares 611,929 Value ($000) $75,934 Avg Close $102.16 Range $74.75 - $126.37

Q3 2023

Shares 603,774 Value ($000) $56,332 Avg Close $112.73 Range $85.31 - $139.55

Q2 2023

Shares 628,565 Value ($000) $80,777 Avg Close $120.95 Range $110.90 - $134.14

Q1 2023

Shares 641,764 Value ($000) $74,560 Avg Close $111.94 Range $102.50 - $123.14

Q4 2022

Shares 656,054 Value ($000) $74,292 Avg Close $109.79 Range $81.06 - $125.55

Q3 2022

Shares 646,770 Value ($000) $52,091 Avg Close $84.70 Range $73.93 - $94.60

Q2 2022

Shares 649,064 Value ($000) $48,375 Avg Close $91.26 Range $66.89 - $134.76

Q1 2022

Shares 161,338 Value ($000) $82,541 Avg Close $109.39 Range $91.43 - $133.20

Q4 2021

Shares 170,859 Value ($000) $91,743 Avg Close $143.69 Range $127.62 - $164.86

Q3 2021

Shares 168,848 Value ($000) $92,336 Avg Close $126.11 Range $105.19 - $144.75

Q2 2021

Shares 173,366 Value ($000) $74,027 Avg Close $96.03 Range $79.61 - $109.91

Q1 2021

Shares 172,354 Value ($000) $61,942 Avg Close $93.87 Range $84.28 - $105.85

Q4 2020

Shares 172,977 Value ($000) $63,953 Avg Close $89.29 Range $76.41 - $105.00

Q3 2020

Shares 167,498 Value ($000) $69,048 Avg Close $104.48 Range $93.91 - $114.06

Q2 2020

Shares 165,945 Value ($000) $67,274 Avg Close $89.45 Range $62.50 - $107.15

Q1 2020

Shares 159,153 Value ($000) $42,855 Avg Close $62.23 Range $45.52 - $76.68

Q4 2019

Shares 163,250 Value ($000) $35,709 Avg Close $47.43 Range $36.31 - $58.00

Q3 2019

Shares 151,649 Value ($000) $22,632 Avg Close $38.85 Range $34.57 - $44.61

Q2 2019

Shares 149,911 Value ($000) $22,463 Avg Close $31.43 Range $26.86 - $39.38

Q1 2019

Shares 143,680 Value ($000) $17,112 Avg Close $35.14 Range $27.58 - $39.04

Q4 2018

Shares 143,114 Value ($000) $17,145 Avg Close $31.72 Range $26.26 - $38.03

Q3 2018

Shares 134,445 Value ($000) $19,231 Avg Close $31.00 Range $23.08 - $37.14

Q2 2018

Shares 134,813 Value ($000) $12,805 Avg Close $21.20 Range $17.38 - $25.52

Q1 2018

Shares 131,091 Value ($000) $9,722 Avg Close $14.79 Range $12.76 - $18.82

Q4 2017

Shares 135,686 Value ($000) $7,787 Avg Close $13.00 Range $10.94 - $15.59

Q3 2017

Shares 143,597 Value ($000) $7,025 Avg Close $17.68 Range $10.65 - $19.73

Q2 2017

Shares 158,257 Value ($000) $11,576 Avg Close $18.47 Range $16.54 - $21.33

Q1 2017

Shares 163,445 Value ($000) $13,849 Avg Close $19.52 Range $14.42 - $22.20

Q4 2016

Shares 170,745 Value ($000) $10,193 Avg Close $17.71 Range $14.84 - $21.95

Q3 2016

Shares 175,345 Value ($000) $15,371 Avg Close $22.24 Range $19.05 - $24.09

Q2 2016

Shares 173,845 Value ($000) $13,791 Avg Close $17.03 Range $15.02 - $20.31

Q1 2016

Shares 168,510 Value ($000) $11,444 Avg Close $16.70 Range $11.98 - $20.97

Q4 2015

Shares 146,946 Value ($000) $12,035 Avg Close $20.81 Range $17.57 - $22.36

Q3 2015

Shares 144,626 Value ($000) $12,418 Avg Close $22.31 Range $19.11 - $25.82

Q2 2015

Shares 144,826 Value ($000) $11,583 Avg Close $17.56 Range $15.20 - $20.14

Q1 2015

Shares 137,276 Value ($000) $8,558 Avg Close $15.11 Range $13.32 - $16.16

Q4 2014

Shares 139,676 Value ($000) $7,689 Avg Close $12.24 Range $9.69 - $14.58

Q3 2014

Shares 138,285 Value ($000) $5,530 Avg Close $10.22 Range $8.67 - $11.59

Q2 2014

Shares 140,340 Value ($000) $5,566 Avg Close $8.86 Range $7.02 - $10.62

Q1 2014

Shares 128,500 Value ($000) $5,315 Avg Close $10.34 Range $8.53 - $12.46

Q4 2013

Shares 128,000 Value ($000) $4,532 Avg Close $7.91 Range $6.67 - $8.99

Q3 2013

Shares 127,100 Value ($000) $3,588 Avg Close $6.33 Range $5.44 - $7.31

Q2 2013

Shares 123,198 Value ($000) $2,766 Avg Close $4.79 Range $3.76 - $5.74

Q1 2013

Shares 119,151 Value ($000) $1,992 Avg Close $3.81 Range $3.42 - $4.29

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	602,946	$40,018	$64.65	$54.11 - $72.08
Q3 2025	620,132	$41,729	$79.14	$65.18 - $89.98
Q2 2025	618,776	$54,013	$78.38	$57.52 - $88.32
Q1 2025	624,555	$42,651	$81.60	$66.25 - $93.25
Q4 2024	635,596	$49,430	$74.04	$64.76 - $82.26
Q3 2024	631,600	$42,342	$82.12	$62.34 - $117.19
Q2 2024	616,509	$69,900	$126.43	$108.71 - $141.99
Q1 2024	615,429	$85,360	$125.70	$113.05 - $142.00
Q4 2023	611,929	$75,934	$102.16	$74.75 - $126.37
Q3 2023	603,774	$56,332	$112.73	$85.31 - $139.55
Q2 2023	628,565	$80,777	$120.95	$110.90 - $134.14
Q1 2023	641,764	$74,560	$111.94	$102.50 - $123.14
Q4 2022	656,054	$74,292	$109.79	$81.06 - $125.55
Q3 2022	646,770	$52,091	$84.70	$73.93 - $94.60
Q2 2022	649,064	$48,375	$91.26	$66.89 - $134.76
Q1 2022	161,338	$82,541	$109.39	$91.43 - $133.20
Q4 2021	170,859	$91,743	$143.69	$127.62 - $164.86
Q3 2021	168,848	$92,336	$126.11	$105.19 - $144.75
Q2 2021	173,366	$74,027	$96.03	$79.61 - $109.91
Q1 2021	172,354	$61,942	$93.87	$84.28 - $105.85
Q4 2020	172,977	$63,953	$89.29	$76.41 - $105.00
Q3 2020	167,498	$69,048	$104.48	$93.91 - $114.06
Q2 2020	165,945	$67,274	$89.45	$62.50 - $107.15
Q1 2020	159,153	$42,855	$62.23	$45.52 - $76.68
Q4 2019	163,250	$35,709	$47.43	$36.31 - $58.00
Q3 2019	151,649	$22,632	$38.85	$34.57 - $44.61
Q2 2019	149,911	$22,463	$31.43	$26.86 - $39.38
Q1 2019	143,680	$17,112	$35.14	$27.58 - $39.04
Q4 2018	143,114	$17,145	$31.72	$26.26 - $38.03
Q3 2018	134,445	$19,231	$31.00	$23.08 - $37.14
Q2 2018	134,813	$12,805	$21.20	$17.38 - $25.52
Q1 2018	131,091	$9,722	$14.79	$12.76 - $18.82
Q4 2017	135,686	$7,787	$13.00	$10.94 - $15.59
Q3 2017	143,597	$7,025	$17.68	$10.65 - $19.73
Q2 2017	158,257	$11,576	$18.47	$16.54 - $21.33
Q1 2017	163,445	$13,849	$19.52	$14.42 - $22.20
Q4 2016	170,745	$10,193	$17.71	$14.84 - $21.95
Q3 2016	175,345	$15,371	$22.24	$19.05 - $24.09
Q2 2016	173,845	$13,791	$17.03	$15.02 - $20.31
Q1 2016	168,510	$11,444	$16.70	$11.98 - $20.97
Q4 2015	146,946	$12,035	$20.81	$17.57 - $22.36
Q3 2015	144,626	$12,418	$22.31	$19.11 - $25.82
Q2 2015	144,826	$11,583	$17.56	$15.20 - $20.14
Q1 2015	137,276	$8,558	$15.11	$13.32 - $16.16
Q4 2014	139,676	$7,689	$12.24	$9.69 - $14.58
Q3 2014	138,285	$5,530	$10.22	$8.67 - $11.59
Q2 2014	140,340	$5,566	$8.86	$7.02 - $10.62
Q1 2014	128,500	$5,315	$10.34	$8.53 - $12.46
Q4 2013	128,000	$4,532	$7.91	$6.67 - $8.99
Q3 2013	127,100	$3,588	$6.33	$5.44 - $7.31
Q2 2013	123,198	$2,766	$4.79	$3.76 - $5.74
Q1 2013	119,151	$1,992	$3.81	$3.42 - $4.29