RHYTHM PHARMACEUTICALS INC

Ticker: RYTM CUSIP: 76243J105 Class: Common Stock

PRIMECAP MANAGEMENT CO/CA/'s Holding History (CIK: 0000763212)

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

Q4 2025
Shares 3,478,669 Value ($000) $372,357 Avg Close $106.08 Range $95.27 - $122.20
Q3 2025
Shares 4,262,859 Value ($000) $430,506 Avg Close $92.84 Range $62.84 - $106.52
Q2 2025
Shares 4,878,037 Value ($000) $308,243 Avg Close $61.23 Range $45.91 - $69.89
Q1 2025
Shares 5,787,322 Value ($000) $306,554 Avg Close $55.48 Range $47.86 - $62.14
Q4 2024
Shares 6,571,190 Value ($000) $367,855 Avg Close $55.24 Range $46.80 - $68.58
Q3 2024
Shares 7,216,911 Value ($000) $378,094 Avg Close $47.92 Range $40.46 - $55.64
Q2 2024
Shares 7,312,391 Value ($000) $300,247 Avg Close $39.92 Range $35.17 - $45.92
Q1 2024
Shares 7,747,591 Value ($000) $335,703 Avg Close $43.76 Range $37.66 - $52.57
Q4 2023
Shares 8,052,648 Value ($000) $370,180 Avg Close $31.55 Range $20.97 - $50.27
Q3 2023
Shares 8,267,421 Value ($000) $189,531 Avg Close $22.39 Range $15.50 - $28.25
Q2 2023
Shares 8,299,317 Value ($000) $136,856 Avg Close $18.05 Range $15.52 - $21.67
Q1 2023
Shares 7,607,311 Value ($000) $135,714 Avg Close $25.11 Range $15.95 - $34.99
Q4 2022
Shares 6,911,142 Value ($000) $201,252 Avg Close $25.70 Range $21.57 - $30.90
Q3 2022
Shares 7,026,892 Value ($000) $172,159 Avg Close $18.60 Range $4.08 - $30.98
Q2 2022
Shares 6,364,094 Value ($000) $26,411 Avg Close $5.47 Range $3.04 - $12.42
Q1 2022
Shares 6,291,991 Value ($000) $72,484 Avg Close $8.78 Range $6.01 - $12.61
Q4 2021
Shares 6,256,991 Value ($000) $62,445 Avg Close $11.23 Range $8.44 - $14.21
Q3 2021
Shares 6,181,091 Value ($000) $80,725 Avg Close $15.27 Range $11.53 - $20.81
Q2 2021
Shares 6,153,691 Value ($000) $120,489 Avg Close $20.76 Range $18.19 - $23.35
Q1 2021
Shares 6,005,593 Value ($000) $127,739 Avg Close $29.00 Range $19.13 - $43.26
Q4 2020
Shares 4,342,491 Value ($000) $129,102 Avg Close $25.42 Range $20.49 - $34.27
Q3 2020
Shares 3,574,691 Value ($000) $77,464 Avg Close $22.93 Range $18.00 - $32.24
Q2 2020
Shares 3,544,791 Value ($000) $79,049 Avg Close $19.49 Range $14.12 - $25.86
Q1 2020
Shares 3,542,591 Value ($000) $53,918 Avg Close $17.90 Range $12.99 - $23.14
Q4 2019
Shares 2,093,691 Value ($000) $48,071 Avg Close $22.21 Range $19.06 - $25.84
Q3 2019
Shares 246,977 Value ($000) $5,332 Avg Close $21.45 Range $18.00 - $25.04