Baker Bros. Advisors LP Acadia Pharmaceuticals Inc Transaction History

Baker Bros. Advisors LP

$9.86 Billion
Q2 2025

A detailed history of Baker Bros. Advisors LP transactions in Acadia Pharmaceuticals Inc stock. As of the latest transaction made, Baker Bros. Advisors LP holds 42,896,690 shares of ACAD stock, worth $898 Million. This represents 9.38% of its overall portfolio holdings.

Number of Shares

42,896,690

Previous 42,877,916 0.04%

Holding current value

$898 Million

Previous $712 Million 29.92%

% of portfolio

9.38%

Previous 8.49%

13 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Aug 14, 2025	BUY	$14.1 - $22.95 $264,713 - $430,863	18,774 Added 0.04%	42,896,690 $925 Million
Q2 2024 Aug 14, 2024	BUY	$14.62 - $18.42 $194,504 - $245,059	13,304 Added 0.03%	42,877,916 $697 Million
Q2 2023 Aug 14, 2023	BUY	$17.8 - $25.65 $16.5 Million - $23.8 Million	926,126 Added 2.21%	42,864,612 $1.03 Billion
Q1 2023 May 15, 2023	BUY	$16.32 - $20.92 $244,800 - $313,800	15,000 Added 0.04%	41,938,486 $789 Million
Q2 2022 Aug 15, 2022	BUY	$13.01 - $27.22 $166,293 - $347,926	12,782 Added 0.03%	41,923,486 $591 Million
Q1 2021 May 17, 2021	BUY	$25.02 - $54.99 $153,072 - $336,428	6,118 Added 0.01%	41,910,704 $1.08 Billion
Q1 2020 May 15, 2020	BUY	$31.65 - $46.87 $33.2 Million - $49.2 Million	1,050,000 Added 2.57%	41,904,586 $1.77 Billion
Q3 2019 Nov 14, 2019	BUY	$22.22 - $44.01 $34.7 Million - $68.8 Million	1,562,500 Added 3.98%	40,854,586 $1.47 Billion
Q2 2019 Aug 14, 2019	SELL	$23.32 - $28.12 $9.84 Million - $11.9 Million	-421,756 Reduced 1.06%	39,292,086 $1.05 Billion
Q4 2018 Feb 13, 2019	BUY	$14.32 - $22.92 $161 Million - $258 Million	11,274,728 Added 39.65%	39,713,842 $642 Million
Q3 2018 Nov 14, 2018	BUY	$13.03 - $21.81 $15.8 Million - $26.4 Million	1,210,776 Added 4.45%	28,439,114 $590 Million
Q4 2017 Feb 14, 2018	BUY	$26.84 - $39.14 $37.8 Million - $55.1 Million	1,408,570 Added 5.46%	27,228,338 $820 Million
Q3 2017 Nov 14, 2017	BUY	$29.49 - $38.37 $761 Million - $991 Million	25,819,768	25,819,768 $973 Million

Others Institutions Holding ACAD

# of Institutions

349

Shares Held

163M

Call Options Held

811K

Put Options Held

334K

View Full List

About ACADIA PHARMACEUTICALS INC

Ticker ACAD
Exchange NASDAQ
Sector Healthcare
Industry Biotechnology
Shares Outstandng 161,843,008
Market Cap $3.39B
Description
ACADIA Pharmaceuticals Inc., a biopharmaceutical company, focuses on the development and commercialization of small molecule drugs that address unmet medical needs in central nervous system disorders. The company offers NUPLAZID (pimavanserin) for the treatment of hallucinations and delusions associated with Parkinson's disease psychosis. It's p...

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Baker Bros. Advisors LP Acadia Pharmaceuticals Inc Transaction History