IRHYTHM TECHNOLOGIES INC

Ticker: IRTC CUSIP: 450056106 Class: EQTY

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

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

Q4 2025
Shares 325,063 Value ($000) $57,679 Avg Close $177.21 Range $155.00 - $212.00
Q3 2025
Shares 323,980 Value ($000) $55,721 Avg Close $158.94 Range $129.48 - $187.57
Q2 2025
Shares 290,570 Value ($000) $44,736 Avg Close $129.23 Range $92.52 - $157.13
Q1 2025
Shares 617,078 Value ($000) $64,596 Avg Close $105.91 Range $86.55 - $128.52
Q4 2024
Shares 765,253 Value ($000) $69,003 Avg Close $78.57 Range $55.92 - $92.38
Q3 2024
Shares 528,291 Value ($000) $39,220 Avg Close $79.65 Range $60.88 - $109.50
Q2 2024
Shares 609,080 Value ($000) $65,561 Avg Close $102.15 Range $82.60 - $118.43
Q1 2024
Shares 502,678 Value ($000) $58,311 Avg Close $112.42 Range $97.50 - $124.11