BAKER BROS. ADVISORS LP

Holdings History for ACADIA PHARMACEUTICALS INC - Common Stock, $0.0001 par value per share (ACAD)

Symbol: ACAD on Nasdaq
Investment type: Equity / Common Stock, $0.0001 par value per share
Latest Disclosed Shares Owned: 43,294,373 shares
Security Ownership %: 25%

Shares, Excluding Options vs Price

Value, Excluding Options

Julian C. Baker ownership in ACADIA PHARMACEUTICALS INC Common Stock, $0.0001 par value per share (ACAD)

26 Feb 2026 - Julian C. Baker has filed an SCHEDULE 13D/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 43,294,373 shares of ACADIA PHARMACEUTICALS INC Common Stock, $0.0001 par value per share (ACAD). This represents 25% ownership of the company. This is the first filing by BAKER BROS. ADVISORS LP disclosing ownership of ACADIA PHARMACEUTICALS INC Common Stock, $0.0001 par value per share (ACAD).

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filing time
Julian C. Baker	25%		$1,162,886,859	43,294,373			$26.86	13D/A	24 Feb 2026	26 Feb 2026, 18:59

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
31 Dec 2025	6.7%	0%	$1,145,770,590	42,896,690	0		$26.71	Q4 2025
30 Sep 2025	6.6%	0%	$915,415,365	42,896,690	0		$21.34	Q3 2025
30 Jun 2025	9%	+0%	$925,281,603	42,896,690	+18,774	+0.04%	$21.57	Q2 2025
31 Mar 2025	7.9%	0%	$712,202,185	42,877,916	0		$16.61	Q1 2025
31 Dec 2024	8.4%	0%	$786,809,759	42,877,916	0		$18.35	Q4 2024
30 Sep 2024	6.8%	0%	$659,462,348	42,877,916	0		$15.38	Q3 2024
30 Jun 2024	8.9%	+0%	$696,766,135	42,877,916	+13,304	+0.03%	$16.25	Q2 2024
31 Mar 2024	9.9%	0%	$792,566,676	42,864,612	0		$18.49	Q1 2024
31 Dec 2023	15%	0%	$1,342,091,002	42,864,612	0		$31.31	Q4 2023
30 Sep 2023	5.1%	0%	$893,298,514	42,864,612	0		$20.84	Q3 2023
30 Jun 2023	5.9%	+0.13%	$1,026,607,457	42,864,612	+926,126	+2.2%	$23.95	Q2 2023
31 Mar 2023	4.3%	+0%	$789,282,307	41,938,486	+15,000	+0.04%	$18.82	Q1 2023
31 Dec 2022	4%	0%	$667,421,897	41,923,486	0		$15.92	Q4 2022
30 Sep 2022	4.5%	0%	$685,868,000	41,923,486	0		$16.36	Q3 2022
30 Jun 2022	3.4%	+0%	$590,702,000	41,923,486	+12,782	+0.03%	$14.09	Q2 2022
31 Mar 2022	5.8%	0%	$1,015,077,000	41,910,704	0		$24.22	Q1 2022
31 Dec 2021	4.8%	0%	$978,196,000	41,910,704	0		$23.34	Q4 2021
30 Sep 2021	3.1%	0%	$696,137,000	41,910,704	0		$16.61	Q3 2021
30 Jun 2021	4.5%	0%	$1,022,202,000	41,910,704	0		$24.39	Q2 2021
31 Mar 2021	4.7%	+0%	$1,081,296,000	41,910,704	+6,118	+0.01%	$25.80	Q1 2021
31 Dec 2020	8.4%	0%	$2,240,219,000	41,904,586	0		$53.46	Q4 2020
30 Sep 2020	6.9%	0%	$1,728,564,000	41,904,586	0		$41.25	Q3 2020
30 Jun 2020	9%	0%	$2,031,115,000	41,904,586	0		$48.47	Q2 2020
31 Mar 2020	11%	+0.27%	$1,770,469,000	41,904,586	+1,050,000	+2.6%	$42.25	Q1 2020
31 Dec 2019	9.3%	0%	$1,747,759,000	40,854,586	0		$42.78	Q4 2019
30 Sep 2019	10%	+0.38%	$1,470,357,000	40,854,586	+1,562,500	+4%	$35.99	Q3 2019
30 Jun 2019	7.1%	-0.08%	$1,050,277,000	39,292,086	-421,756	-1.1%	$26.73	Q2 2019
31 Mar 2019	6.8%	0%	$1,066,317,000	39,713,842	0		$26.85	Q1 2019
31 Dec 2018	5.3%	+1.5%	$642,173,000	39,713,842	+11,274,728	+40%	$16.17	Q4 2018
30 Sep 2018	3.9%	+0.17%	$590,396,000	28,439,114	+1,210,776	+4.4%	$20.76	Q3 2018
30 Jun 2018	3.1%	0%	$415,777,000	27,228,338	0		$15.27	Q2 2018
31 Mar 2018	5.2%	0%	$611,821,000	27,228,338	0		$22.47	Q1 2018
31 Dec 2017	7.1%	+0.37%	$819,845,000	27,228,338	+1,408,570	+5.5%	$30.11	Q4 2017
30 Sep 2017	7.9%	0%	$972,631,000	25,819,768	0		$37.67	Q3 2017
30 Jun 2017	6.3%	0%	$720,113,000	25,819,768	0		$27.89	Q2 2017
31 Mar 2017	7.3%	0%	$887,684,000	25,819,768	0		$34.38	Q1 2017
31 Dec 2016	7.3%	0%	$744,642,000	25,819,768	0		$28.84	Q4 2016
30 Sep 2016	7.5%	+0.38%	$821,327,000	25,819,768	+1,303,030	+5.3%	$31.81	Q3 2016
30 Jun 2016	8.3%	+0.1%	$795,813,000	24,516,738	+302,900	+1.3%	$32.46	Q2 2016
31 Mar 2016	7.1%	+1.1%	$677,019,000	24,213,838	+3,732,396	+18%	$27.96	Q1 2016
31 Dec 2015	6%	0%	$730,163,000	20,481,442	0		$35.65	Q4 2015
30 Sep 2015	6.3%	0%	$677,321,000	20,481,442	0		$33.07	Q3 2015
30 Jun 2015	7.5%	0%	$857,763,000	20,481,442	0		$41.88	Q2 2015
31 Mar 2015	5.6%	0%	$667,490,000	20,481,442	0		$32.59	Q1 2015
31 Dec 2014	6.6%	0%	$650,286,000	20,481,442	0		$31.75	Q4 2014
30 Sep 2014	6.5%	0%	$507,121,000	20,481,442	0		$24.76	Q3 2014
30 Jun 2014	5.7%	0%	$462,676,000	20,481,442	0		$22.59	Q2 2014
31 Mar 2014	6.3%	+0.16%	$498,313,000	20,481,442	+526,316	+2.6%	$24.33	Q1 2014
31 Dec 2013	7%	0%	$498,679,000	19,955,126	0		$24.99	Q4 2013

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.