TANDEM DIABETES CARE INC

Ticker: TNDM CUSIP: 875372203 Class: EQTY

FRONTIER CAPITAL MANAGEMENT CO LLC's Holding History (CIK: 0000351173)

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

Q4 2025
Shares 412,269 Value ($000) $9,062 Avg Close $18.05 Range $12.07 - $24.50
Q3 2025
Shares 415,344 Value ($000) $5,042 Avg Close $13.54 Range $9.98 - $18.13
Q2 2025
Shares 364,098 Value ($000) $6,787 Avg Close $19.81 Range $15.75 - $24.00
Q1 2025
Shares 365,176 Value ($000) $6,997 Avg Close $29.26 Range $17.64 - $38.28
Q4 2024
Shares 272,088 Value ($000) $9,801 Avg Close $33.83 Range $27.15 - $42.70
Q3 2024
Shares 180,861 Value ($000) $7,670 Avg Close $42.40 Range $34.60 - $48.24
Q2 2024
Shares 182,224 Value ($000) $7,342 Avg Close $41.72 Range $30.12 - $53.69
Q1 2024
Shares 184,338 Value ($000) $6,527 Avg Close $26.79 Range $21.85 - $36.09
Q4 2023
Shares 145,909 Value ($000) $4,316 Avg Close $20.75 Range $13.82 - $31.45
Q3 2023
Shares 145,840 Value ($000) $3,029 Avg Close $27.46 Range $19.11 - $36.82
Q2 2023
Shares 147,293 Value ($000) $3,615 Avg Close $32.17 Range $23.60 - $43.52
Q1 2023
Shares 148,805 Value ($000) $6,043 Avg Close $41.40 Range $35.27 - $47.17
Q4 2022
Shares 114,164 Value ($000) $5,132 Avg Close $45.27 Range $33.52 - $58.82
Q3 2022
Shares 114,501 Value ($000) $5,479 Avg Close $54.82 Range $42.90 - $70.81
Q2 2022
Shares 64,689 Value ($000) $3,829 Avg Close $82.09 Range $52.69 - $123.96
Q1 2022
Shares 66,546 Value ($000) $7,739 Avg Close $116.75 Range $100.00 - $150.64
Q4 2021
Shares 66,788 Value ($000) $10,053 Avg Close $134.98 Range $116.21 - $155.86
Q3 2021
Shares 67,726 Value ($000) $8,085 Avg Close $110.18 Range $92.17 - $130.73
Q2 2021
Shares 69,555 Value ($000) $6,775 Avg Close $89.17 Range $76.19 - $100.80
Q1 2021
Shares 73,376 Value ($000) $6,475 Avg Close $92.94 Range $77.77 - $105.00
Q4 2020
Shares 114,084 Value ($000) $10,916 Avg Close $103.06 Range $84.56 - $123.74
Q3 2020
Shares 141,181 Value ($000) $16,024 Avg Close $105.07 Range $91.93 - $116.89
Q2 2020
Shares 153,652 Value ($000) $15,199 Avg Close $79.79 Range $59.24 - $99.33
Q1 2020
Shares 171,255 Value ($000) $11,020 Avg Close $70.07 Range $43.69 - $91.65
Q4 2019
Shares 174,999 Value ($000) $10,432 Avg Close $61.67 Range $52.31 - $71.99
Q3 2019
Shares 200,865 Value ($000) $11,847 Avg Close $63.83 Range $56.69 - $74.30
Q2 2019
Shares 398,208 Value ($000) $25,692 Avg Close $64.54 Range $51.37 - $72.19
Q1 2019
Shares 871,521 Value ($000) $55,342 Avg Close $52.53 Range $32.00 - $74.81
Q4 2018
Shares 1,312,885 Value ($000) $49,850 Avg Close $35.31 Range $26.40 - $44.10
Q3 2018
Shares 1,456,378 Value ($000) $62,391 Avg Close $34.92 Range $20.08 - $52.55
Q2 2018
Shares 2,633,456 Value ($000) $57,989 Avg Close $12.30 Range $4.75 - $25.50
Q1 2018
Shares 2,720,937 Value ($000) $13,496 Avg Close $3.22 Range $2.14 - $5.23
Q4 2017
Shares 472,555 Value ($000) $1,115 Avg Close $3.14 Range $2.15 - $8.88
Q3 2017
Shares 4,840,352 Value ($000) $3,533 Avg Close $6.33 Range $3.90 - $12.20