AMICUS THERAPEUTICS INC

Ticker: FOLD CUSIP: 03152W109 Class: Com

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's Holding History (CIK: 0001644956)

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

Q4 2025

Shares 10,627,717 Value ($000) $151,339 Avg Close $9.82 Range $7.68 - $14.36

Q3 2025

Shares 15,749,240 Value ($000) $124,104 Avg Close $7.12 Range $5.66 - $8.68

Q2 2025

Shares 14,642,157 Value ($000) $83,900 Avg Close $6.45 Range $5.51 - $8.24

Q1 2025

Shares 14,778,651 Value ($000) $120,594 Avg Close $9.25 Range $7.97 - $10.00

Q4 2024

Shares 15,597,698 Value ($000) $146,930 Avg Close $10.39 Range $9.28 - $12.65

Q3 2024

Shares 15,582,962 Value ($000) $166,426 Avg Close $10.89 Range $9.36 - $12.19

Q2 2024

Shares 13,003,363 Value ($000) $128,993 Avg Close $10.26 Range $9.02 - $11.82

Q1 2024

Shares 11,526,279 Value ($000) $135,780 Avg Close $12.79 Range $11.32 - $14.53

Q4 2023

Shares 11,647,026 Value ($000) $165,271 Avg Close $11.35 Range $9.70 - $14.57

Q3 2023

Shares 10,376,763 Value ($000) $126,181 Avg Close $12.90 Range $11.41 - $14.10

Q2 2023

Shares 2,306,665 Value ($000) $28,972 Avg Close $11.87 Range $10.55 - $13.53

Q1 2023

Shares 2,281,092 Value ($000) $25,297 Avg Close $12.33 Range $10.80 - $13.84

Q4 2022

Shares 2,101,186 Value ($000) $25,655 Avg Close $11.26 Range $9.10 - $12.72

Q3 2022

Shares 2,085,364 Value ($000) $21,771 Avg Close $11.14 Range $9.65 - $12.96

Q2 2022

Shares 2,547,606 Value ($000) $27,361 Avg Close $8.23 Range $5.91 - $11.13

Q1 2022

Shares 2,531,412 Value ($000) $23,972 Avg Close $9.38 Range $7.60 - $12.63

Q4 2021

Shares 2,476,721 Value ($000) $28,606 Avg Close $11.14 Range $9.41 - $12.53

Q3 2021

Shares 1,974,972 Value ($000) $18,861 Avg Close $10.23 Range $8.60 - $12.11

Q2 2021

Shares 1,951,677 Value ($000) $18,814 Avg Close $9.76 Range $8.68 - $10.84

Q1 2021

Shares 1,160,724 Value ($000) $11,468 Avg Close $15.48 Range $8.83 - $24.84

Q4 2020

Shares 1,071,651 Value ($000) $24,744 Avg Close $20.45 Range $13.47 - $25.39

Q3 2020

Shares 965,763 Value ($000) $13,637 Avg Close $14.57 Range $12.78 - $16.13

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	10,627,717	$151,339	$9.82	$7.68 - $14.36
Q3 2025	15,749,240	$124,104	$7.12	$5.66 - $8.68
Q2 2025	14,642,157	$83,900	$6.45	$5.51 - $8.24
Q1 2025	14,778,651	$120,594	$9.25	$7.97 - $10.00
Q4 2024	15,597,698	$146,930	$10.39	$9.28 - $12.65
Q3 2024	15,582,962	$166,426	$10.89	$9.36 - $12.19
Q2 2024	13,003,363	$128,993	$10.26	$9.02 - $11.82
Q1 2024	11,526,279	$135,780	$12.79	$11.32 - $14.53
Q4 2023	11,647,026	$165,271	$11.35	$9.70 - $14.57
Q3 2023	10,376,763	$126,181	$12.90	$11.41 - $14.10
Q2 2023	2,306,665	$28,972	$11.87	$10.55 - $13.53
Q1 2023	2,281,092	$25,297	$12.33	$10.80 - $13.84
Q4 2022	2,101,186	$25,655	$11.26	$9.10 - $12.72
Q3 2022	2,085,364	$21,771	$11.14	$9.65 - $12.96
Q2 2022	2,547,606	$27,361	$8.23	$5.91 - $11.13
Q1 2022	2,531,412	$23,972	$9.38	$7.60 - $12.63
Q4 2021	2,476,721	$28,606	$11.14	$9.41 - $12.53
Q3 2021	1,974,972	$18,861	$10.23	$8.60 - $12.11
Q2 2021	1,951,677	$18,814	$9.76	$8.68 - $10.84
Q1 2021	1,160,724	$11,468	$15.48	$8.83 - $24.84
Q4 2020	1,071,651	$24,744	$20.45	$13.47 - $25.39
Q3 2020	965,763	$13,637	$14.57	$12.78 - $16.13