ACADIA PHARMACEUTICALS INC

Ticker: ACAD CUSIP: 004225108 Class: Common Stock

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q4 2025

Shares 9,313 Value ($000) $249 Avg Close $23.90 Range $19.69 - $28.35

Q1 2025

Shares 78 Value ($000) $1 Avg Close $18.17 Range $16.28 - $20.68

Q4 2024

Shares 5,265 Value ($000) $97 Avg Close $16.14 Range $14.15 - $19.05

Q3 2024

Shares 32,891 Value ($000) $506 Avg Close $16.68 Range $15.08 - $19.44

Q2 2024

Shares 32,175 Value ($000) $523 Avg Close $16.14 Range $14.55 - $18.63

Q1 2024

Shares 12,868 Value ($000) $238 Avg Close $24.78 Range $17.56 - $31.82

Q3 2023

Shares 173,593 Value ($000) $3,618 Avg Close $27.16 Range $20.54 - $33.99

Q2 2022

Shares 88,059 Value ($000) $1,241 Avg Close $18.68 Range $12.24 - $28.06

Q4 2021

Shares 182,133 Value ($000) $4,251 Avg Close $20.11 Range $16.55 - $27.19

Q3 2021

Shares 8,111 Value ($000) $135 Avg Close $19.28 Range $15.68 - $24.77

Q2 2021

Shares 40,356 Value ($000) $984 Avg Close $22.57 Range $19.20 - $27.68

Q1 2021

Shares 87,788 Value ($000) $2,265 Avg Close $44.02 Range $23.35 - $55.85

Q4 2020

Shares 44,883 Value ($000) $2,399 Avg Close $49.64 Range $40.38 - $57.46

Q3 2020

Shares 70,479 Value ($000) $2,907 Avg Close $43.18 Range $36.33 - $58.72

Q2 2020

Shares 38,799 Value ($000) $1,881 Avg Close $48.00 Range $38.45 - $53.75

Q1 2020

Shares 64,513 Value ($000) $2,726 Avg Close $41.20 Range $30.02 - $47.99

Q4 2019

Shares 84,751 Value ($000) $3,626 Avg Close $43.50 Range $35.35 - $53.70

Q3 2019

Shares 187,552 Value ($000) $6,750 Avg Close $30.32 Range $21.56 - $44.85

Q3 2018

Shares 50,829 Value ($000) $1,055 Avg Close $15.73 Range $12.77 - $22.22

Q2 2018

Shares 23,913 Value ($000) $365 Avg Close $17.83 Range $14.51 - $22.56

Q1 2018

Shares 82,166 Value ($000) $1,846 Avg Close $27.69 Range $21.81 - $32.99

Q4 2017

Shares 133,080 Value ($000) $4,007 Avg Close $31.98 Range $26.01 - $41.20

Q3 2017

Shares 272,875 Value ($000) $10,279 Avg Close $32.53 Range $26.41 - $38.54

Q2 2017

Shares 281,806 Value ($000) $7,860 Avg Close $29.80 Range $25.06 - $36.20

Q1 2017

Shares 212,796 Value ($000) $7,316 Avg Close $35.30 Range $28.53 - $40.83

Q4 2016

Shares 15,428 Value ($000) $445 Avg Close $26.46 Range $20.68 - $31.70

Q2 2013

Shares 322,468 Value ($000) $5,853 Avg Close $13.77 Range $7.40 - $20.09

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	9,313	$249	$23.90	$19.69 - $28.35
Q1 2025	78	$1	$18.17	$16.28 - $20.68
Q4 2024	5,265	$97	$16.14	$14.15 - $19.05
Q3 2024	32,891	$506	$16.68	$15.08 - $19.44
Q2 2024	32,175	$523	$16.14	$14.55 - $18.63
Q1 2024	12,868	$238	$24.78	$17.56 - $31.82
Q3 2023	173,593	$3,618	$27.16	$20.54 - $33.99
Q2 2022	88,059	$1,241	$18.68	$12.24 - $28.06
Q4 2021	182,133	$4,251	$20.11	$16.55 - $27.19
Q3 2021	8,111	$135	$19.28	$15.68 - $24.77
Q2 2021	40,356	$984	$22.57	$19.20 - $27.68
Q1 2021	87,788	$2,265	$44.02	$23.35 - $55.85
Q4 2020	44,883	$2,399	$49.64	$40.38 - $57.46
Q3 2020	70,479	$2,907	$43.18	$36.33 - $58.72
Q2 2020	38,799	$1,881	$48.00	$38.45 - $53.75
Q1 2020	64,513	$2,726	$41.20	$30.02 - $47.99
Q4 2019	84,751	$3,626	$43.50	$35.35 - $53.70
Q3 2019	187,552	$6,750	$30.32	$21.56 - $44.85
Q3 2018	50,829	$1,055	$15.73	$12.77 - $22.22
Q2 2018	23,913	$365	$17.83	$14.51 - $22.56
Q1 2018	82,166	$1,846	$27.69	$21.81 - $32.99
Q4 2017	133,080	$4,007	$31.98	$26.01 - $41.20
Q3 2017	272,875	$10,279	$32.53	$26.41 - $38.54
Q2 2017	281,806	$7,860	$29.80	$25.06 - $36.20
Q1 2017	212,796	$7,316	$35.30	$28.53 - $40.83
Q4 2016	15,428	$445	$26.46	$20.68 - $31.70
Q2 2013	322,468	$5,853	$13.77	$7.40 - $20.09