PTC THERAPEUTICS INC

Ticker: PTCT CUSIP: 69366J200 Class: Common Stock

STATE OF WISCONSIN INVESTMENT BOARD's Holding History (CIK: 0000854157)

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

Q4 2025
Shares 46,775 Value ($000) $3,553 Avg Close $72.67 Range $60.80 - $87.50
Q3 2025
Shares 58,785 Value ($000) $3,608 Avg Close $52.09 Range $43.17 - $63.19
Q2 2025
Shares 48,859 Value ($000) $2,386 Avg Close $47.47 Range $35.95 - $52.98
Q1 2025
Shares 66,772 Value ($000) $3,403 Avg Close $49.90 Range $41.66 - $58.38
Q4 2024
Shares 83,273 Value ($000) $3,759 Avg Close $42.80 Range $34.57 - $54.16
Q3 2024
Shares 48,860 Value ($000) $1,813 Avg Close $33.48 Range $29.02 - $38.62
Q2 2024
Shares 57,738 Value ($000) $1,766 Avg Close $32.39 Range $24.00 - $40.69
Q1 2024
Shares 47,799 Value ($000) $1,390 Avg Close $28.01 Range $23.58 - $32.91
Q4 2023
Shares 77,731 Value ($000) $2,142 Avg Close $22.87 Range $17.53 - $30.11
Q3 2023
Shares 59,666 Value ($000) $1,337 Avg Close $37.19 Range $22.03 - $42.63
Q2 2023
Shares 56,809 Value ($000) $2,310 Avg Close $48.93 Range $39.66 - $59.84
Q1 2023
Shares 59,709 Value ($000) $2,892 Avg Close $45.71 Range $37.25 - $50.20
Q4 2022
Shares 64,628 Value ($000) $2,467 Avg Close $41.57 Range $33.25 - $55.25
Q3 2022
Shares 65,674 Value ($000) $3,297 Avg Close $49.00 Range $40.00 - $55.58
Q2 2022
Shares 68,998 Value ($000) $2,764 Avg Close $35.06 Range $25.01 - $45.80
Q1 2022
Shares 90,600 Value ($000) $3,380 Avg Close $38.53 Range $32.45 - $45.19
Q4 2021
Shares 90,600 Value ($000) $3,609 Avg Close $38.27 Range $34.85 - $42.95
Q3 2021
Shares 90,600 Value ($000) $3,371 Avg Close $41.08 Range $36.38 - $45.46
Q2 2021
Shares 83,200 Value ($000) $3,517 Avg Close $42.85 Range $37.12 - $50.26
Q1 2021
Shares 83,200 Value ($000) $3,940 Avg Close $59.38 Range $46.51 - $70.82
Q4 2020
Shares 88,200 Value ($000) $5,383 Avg Close $58.94 Range $46.86 - $68.81
Q3 2020
Shares 99,200 Value ($000) $4,638 Avg Close $49.23 Range $44.19 - $58.13
Q2 2020
Shares 99,200 Value ($000) $5,033 Avg Close $49.14 Range $40.03 - $55.00
Q1 2020
Shares 95,700 Value ($000) $4,269 Avg Close $50.35 Range $30.79 - $59.89
Q4 2019
Shares 85,700 Value ($000) $4,116 Avg Close $42.49 Range $31.49 - $50.96
Q3 2019
Shares 85,700 Value ($000) $2,898 Avg Close $43.52 Range $33.05 - $48.81
Q2 2019
Shares 74,800 Value ($000) $3,366 Avg Close $39.49 Range $34.51 - $45.00
Q1 2019
Shares 62,100 Value ($000) $2,337 Avg Close $33.58 Range $27.53 - $39.67
Q4 2018
Shares 46,400 Value ($000) $1,592 Avg Close $35.96 Range $28.91 - $48.99
Q3 2018
Shares 46,100 Value ($000) $2,167 Avg Close $41.38 Range $32.13 - $48.85
Q2 2018
Shares 46,100 Value ($000) $1,555 Avg Close $31.18 Range $24.60 - $52.95
Q1 2018
Shares 40,400 Value ($000) $1,093 Avg Close $25.34 Range $16.38 - $33.22
Q4 2017
Shares 24,000 Value ($000) $400 Avg Close $16.93 Range $14.87 - $21.58
Q3 2017
Shares 24,000 Value ($000) $480 Avg Close $19.54 Range $14.56 - $22.00
Q2 2017
Shares 24,000 Value ($000) $440 Avg Close $13.47 Range $9.41 - $18.86