TANDEM DIABETES CARE INC

Ticker: TNDM CUSIP: 875372203 Class: EQTY

WESTFIELD CAPITAL MANAGEMENT CO LP's Holding History (CIK: 0001177719)

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

Q3 2022
Shares 421,743 Value ($000) $20,180 Avg Close $54.82 Range $42.90 - $70.81
Q2 2022
Shares 427,838 Value ($000) $25,324 Avg Close $82.09 Range $52.69 - $123.96
Q1 2022
Shares 344,043 Value ($000) $40,009 Avg Close $116.75 Range $100.00 - $150.64
Q4 2021
Shares 321,990 Value ($000) $48,466 Avg Close $134.98 Range $116.21 - $155.86
Q3 2021
Shares 331,027 Value ($000) $39,518 Avg Close $110.18 Range $92.17 - $130.73
Q2 2021
Shares 395,981 Value ($000) $38,569 Avg Close $89.17 Range $76.19 - $100.80
Q1 2021
Shares 416,449 Value ($000) $36,752 Avg Close $92.94 Range $77.77 - $105.00
Q4 2020
Shares 380,432 Value ($000) $36,400 Avg Close $103.06 Range $84.56 - $123.74
Q3 2020
Shares 249,570 Value ($000) $28,326 Avg Close $105.07 Range $91.93 - $116.89
Q2 2020
Shares 263,433 Value ($000) $26,059 Avg Close $79.79 Range $59.24 - $99.33
Q1 2020
Shares 299,640 Value ($000) $19,282 Avg Close $70.07 Range $43.69 - $91.65
Q4 2019
Shares 8,520 Value ($000) $508 Avg Close $61.67 Range $52.31 - $71.99
Q3 2019
Shares 8,454 Value ($000) $499 Avg Close $63.83 Range $56.69 - $74.30
Q2 2019
Shares 8,200 Value ($000) $529 Avg Close $64.54 Range $51.37 - $72.19
Q1 2019
Shares 4,200 Value ($000) $267 Avg Close $52.53 Range $32.00 - $74.81
Q1 2018
Shares 76,300 Value ($000) $378 Avg Close $3.22 Range $2.14 - $5.23