DEXCOM INC

Ticker: DXCM CUSIP: 252131107 Class: EQTY

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

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

Q3 2025
Shares 300,249 Value ($000) $20,204 Avg Close $79.14 Range $65.18 - $89.98
Q2 2025
Shares 311,342 Value ($000) $27,177 Avg Close $78.38 Range $57.52 - $88.32
Q2 2024
Shares 438,078 Value ($000) $49,669 Avg Close $126.43 Range $108.71 - $141.99
Q1 2024
Shares 432,398 Value ($000) $59,974 Avg Close $125.70 Range $113.05 - $142.00
Q4 2023
Shares 438,147 Value ($000) $54,370 Avg Close $102.16 Range $74.75 - $126.37
Q3 2023
Shares 451,050 Value ($000) $42,083 Avg Close $112.73 Range $85.31 - $139.55
Q2 2023
Shares 453,280 Value ($000) $58,251 Avg Close $120.95 Range $110.90 - $134.14
Q1 2023
Shares 452,150 Value ($000) $52,531 Avg Close $111.94 Range $102.50 - $123.14
Q4 2022
Shares 401,630 Value ($000) $45,481 Avg Close $109.79 Range $81.06 - $125.55
Q3 2022
Shares 137,040 Value ($000) $11,037 Avg Close $84.70 Range $73.93 - $94.60
Q2 2022
Shares 191,740 Value ($000) $14,290 Avg Close $91.26 Range $66.89 - $134.76
Q1 2022
Shares 60,735 Value ($000) $31,072 Avg Close $109.39 Range $91.43 - $133.20
Q4 2021
Shares 59,515 Value ($000) $31,957 Avg Close $143.69 Range $127.62 - $164.86
Q3 2021
Shares 59,045 Value ($000) $32,289 Avg Close $126.11 Range $105.19 - $144.75
Q2 2021
Shares 58,080 Value ($000) $24,800 Avg Close $96.03 Range $79.61 - $109.91
Q1 2021
Shares 58,600 Value ($000) $21,060 Avg Close $93.87 Range $84.28 - $105.85
Q4 2020
Shares 60,165 Value ($000) $22,244 Avg Close $89.29 Range $76.41 - $105.00
Q3 2020
Shares 61,710 Value ($000) $25,439 Avg Close $104.48 Range $93.91 - $114.06
Q2 2020
Shares 71,285 Value ($000) $28,899 Avg Close $89.45 Range $62.50 - $107.15
Q1 2020
Shares 107,870 Value ($000) $29,046 Avg Close $62.23 Range $45.52 - $76.68
Q4 2019
Shares 37,460 Value ($000) $8,194 Avg Close $47.43 Range $36.31 - $58.00
Q3 2019
Shares 94,340 Value ($000) $14,079 Avg Close $38.85 Range $34.57 - $44.61
Q2 2019
Shares 100,407 Value ($000) $15,045 Avg Close $31.43 Range $26.86 - $39.38
Q1 2019
Shares 123,542 Value ($000) $14,714 Avg Close $35.14 Range $27.58 - $39.04
Q4 2018
Shares 171,108 Value ($000) $20,499 Avg Close $31.72 Range $26.26 - $38.03
Q3 2018
Shares 213,953 Value ($000) $30,604 Avg Close $31.00 Range $23.08 - $37.14
Q2 2018
Shares 147,051 Value ($000) $13,967 Avg Close $21.20 Range $17.38 - $25.52
Q1 2017
Shares 38,345 Value ($000) $3,249 Avg Close $19.52 Range $14.42 - $22.20
Q4 2015
Shares 42,510 Value ($000) $3,482 Avg Close $20.81 Range $17.57 - $22.36
Q3 2015
Shares 36,430 Value ($000) $3,128 Avg Close $22.31 Range $19.11 - $25.82
Q3 2014
Shares 205,370 Value ($000) $8,494 Avg Close $10.22 Range $8.67 - $11.59
Q1 2014
Shares 205,370 Value ($000) $8,494 Avg Close $10.34 Range $8.53 - $12.46
Q4 2013
Shares 323,432 Value ($000) $11,453 Avg Close $7.91 Range $6.67 - $8.99
Q2 2013
Shares 311,075 Value ($000) $6,984 Avg Close $4.79 Range $3.76 - $5.74