PTC THERAPEUTICS INC

Ticker: PTCT CUSIP: 69366J200 Class: Common Stock

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q4 2025

Shares 627,092 Value ($000) $47,634 Avg Close $72.67 Range $60.80 - $87.50

Q3 2025

Shares 773,178 Value ($000) $47,448 Avg Close $52.09 Range $43.17 - $63.19

Q2 2025

Shares 527,404 Value ($000) $25,758 Avg Close $47.47 Range $35.95 - $52.98

Q1 2025

Shares 561,839 Value ($000) $28,641 Avg Close $49.90 Range $41.66 - $58.38

Q4 2024

Shares 105,050 Value ($000) $4,742 Avg Close $42.80 Range $34.57 - $54.16

Q2 2023

Shares 15,851 Value ($000) $645 Avg Close $48.93 Range $39.66 - $59.84

Q1 2023

Shares 15,316 Value ($000) $742 Avg Close $45.71 Range $37.25 - $50.20

Q4 2022

Shares 15,061 Value ($000) $1 Avg Close $41.57 Range $33.25 - $55.25

Q3 2022

Shares 15,593 Value ($000) $783 Avg Close $49.00 Range $40.00 - $55.58

Q2 2021

Shares 64,228 Value ($000) $2,714 Avg Close $42.85 Range $37.12 - $50.26

Q1 2021

Shares 66,809 Value ($000) $3,163 Avg Close $59.38 Range $46.51 - $70.82

Q4 2020

Shares 77,394 Value ($000) $4,724 Avg Close $58.94 Range $46.86 - $68.81

Q3 2020

Shares 80,256 Value ($000) $3,753 Avg Close $49.23 Range $44.19 - $58.13

Q2 2020

Shares 76,333 Value ($000) $3,873 Avg Close $49.14 Range $40.03 - $55.00

Q1 2020

Shares 89,303 Value ($000) $3,979 Avg Close $50.35 Range $30.79 - $59.89

Q4 2019

Shares 34,525 Value ($000) $1,657 Avg Close $42.49 Range $31.49 - $50.96

Q3 2019

Shares 92,512 Value ($000) $3,129 Avg Close $43.52 Range $33.05 - $48.81

Q2 2019

Shares 180,309 Value ($000) $8,114 Avg Close $39.49 Range $34.51 - $45.00

Q1 2019

Shares 212,926 Value ($000) $8,015 Avg Close $33.58 Range $27.53 - $39.67

Q4 2018

Shares 243,852 Value ($000) $8,369 Avg Close $35.96 Range $28.91 - $48.99

Q3 2018

Shares 214,883 Value ($000) $10,100 Avg Close $41.38 Range $32.13 - $48.85

Q2 2018

Shares 214,883 Value ($000) $7,248 Avg Close $31.18 Range $24.60 - $52.95

Q1 2018

Shares 218,613 Value ($000) $5,916 Avg Close $25.34 Range $16.38 - $33.22

Q4 2017

Shares 521,392 Value ($000) $8,697 Avg Close $16.93 Range $14.87 - $21.58

Q3 2017

Shares 525,110 Value ($000) $10,507 Avg Close $19.54 Range $14.56 - $22.00

Q2 2017

Shares 528,586 Value ($000) $9,689 Avg Close $13.47 Range $9.41 - $18.86

Q1 2017

Shares 522,626 Value ($000) $5,143 Avg Close $12.10 Range $8.12 - $16.50

Q4 2016

Shares 312,460 Value ($000) $3,409 Avg Close $10.49 Range $4.03 - $14.57

Q3 2016

Shares 313,418 Value ($000) $4,391 Avg Close $8.13 Range $5.64 - $14.35

Q2 2016

Shares 100,783 Value ($000) $707 Avg Close $7.33 Range $5.78 - $10.15

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	627,092	$47,634	$72.67	$60.80 - $87.50
Q3 2025	773,178	$47,448	$52.09	$43.17 - $63.19
Q2 2025	527,404	$25,758	$47.47	$35.95 - $52.98
Q1 2025	561,839	$28,641	$49.90	$41.66 - $58.38
Q4 2024	105,050	$4,742	$42.80	$34.57 - $54.16
Q2 2023	15,851	$645	$48.93	$39.66 - $59.84
Q1 2023	15,316	$742	$45.71	$37.25 - $50.20
Q4 2022	15,061	$1	$41.57	$33.25 - $55.25
Q3 2022	15,593	$783	$49.00	$40.00 - $55.58
Q2 2021	64,228	$2,714	$42.85	$37.12 - $50.26
Q1 2021	66,809	$3,163	$59.38	$46.51 - $70.82
Q4 2020	77,394	$4,724	$58.94	$46.86 - $68.81
Q3 2020	80,256	$3,753	$49.23	$44.19 - $58.13
Q2 2020	76,333	$3,873	$49.14	$40.03 - $55.00
Q1 2020	89,303	$3,979	$50.35	$30.79 - $59.89
Q4 2019	34,525	$1,657	$42.49	$31.49 - $50.96
Q3 2019	92,512	$3,129	$43.52	$33.05 - $48.81
Q2 2019	180,309	$8,114	$39.49	$34.51 - $45.00
Q1 2019	212,926	$8,015	$33.58	$27.53 - $39.67
Q4 2018	243,852	$8,369	$35.96	$28.91 - $48.99
Q3 2018	214,883	$10,100	$41.38	$32.13 - $48.85
Q2 2018	214,883	$7,248	$31.18	$24.60 - $52.95
Q1 2018	218,613	$5,916	$25.34	$16.38 - $33.22
Q4 2017	521,392	$8,697	$16.93	$14.87 - $21.58
Q3 2017	525,110	$10,507	$19.54	$14.56 - $22.00
Q2 2017	528,586	$9,689	$13.47	$9.41 - $18.86
Q1 2017	522,626	$5,143	$12.10	$8.12 - $16.50
Q4 2016	312,460	$3,409	$10.49	$4.03 - $14.57
Q3 2016	313,418	$4,391	$8.13	$5.64 - $14.35
Q2 2016	100,783	$707	$7.33	$5.78 - $10.15