Palo Alto Investors LP Acadia Pharmaceuticals Inc Transaction History

Palo Alto Investors LP

$442 Million
Q2 2025

A detailed history of Palo Alto Investors LP transactions in Acadia Pharmaceuticals Inc stock. As of the latest transaction made, Palo Alto Investors LP holds 2,563,209 shares of ACAD stock, worth $63.2 Million. This represents 12.51% of its overall portfolio holdings.

Number of Shares

2,563,209

Previous 2,663,925 3.78%

Holding current value

$63.2 Million

Previous $44.2 Million 24.95%

% of portfolio

12.51%

Previous 8.84%

25 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Aug 14, 2025	SELL	$14.1 - $22.95 $1.42 Million - $2.31 Million	-100,716 Reduced 3.78%	2,563,209 $55.3 Million
Q1 2025 May 15, 2025	SELL	$16.61 - $20.29 $1.41 Million - $1.72 Million	-84,674 Reduced 3.08%	2,663,925 $44.2 Million
Q4 2024 Feb 14, 2025	BUY	$14.29 - $18.76 $3.21 Million - $4.21 Million	224,643 Added 8.9%	2,748,599 $50.4 Million
Q3 2024 Nov 14, 2024	BUY	$15.14 - $19.14 $1.59 Million - $2.01 Million	105,115 Added 4.35%	2,523,956 $38.8 Million
Q2 2024 Aug 14, 2024	BUY	$14.62 - $18.42 $56,988 - $71,801	3,898 Added 0.16%	2,418,841 $39.3 Million
Q1 2024 May 15, 2024	BUY	$17.79 - $30.86 $95,834 - $166,242	5,387 Added 0.22%	2,414,943 $44.7 Million
Q4 2023 Feb 14, 2024	BUY	$20.78 - $31.77 $78,195 - $119,550	3,763 Added 0.16%	2,409,556 $75.4 Million
Q1 2023 May 15, 2023	BUY	$16.32 - $20.92 $480,199 - $615,550	29,424 Added 1.24%	2,405,793 $45.3 Million
Q4 2022 Feb 14, 2023	BUY	$14.2 - $18.63 $9.91 Million - $13 Million	698,173 Added 41.6%	2,376,369 $37.8 Million
Q2 2022 Aug 15, 2022	SELL	$13.01 - $27.22 $7.46 Million - $15.6 Million	-573,638 Reduced 25.47%	1,678,196 $23.6 Million
Q1 2022 May 16, 2022	SELL	$20.94 - $27.5 $1.8 Million - $2.37 Million	-86,043 Reduced 3.68%	2,251,834 $54.5 Million
Q1 2021 May 17, 2021	BUY	$25.02 - $54.99 $910,728 - $2 Million	36,400 Added 1.58%	2,337,877 $60.3 Million
Q4 2020 Feb 16, 2021	BUY	$41.04 - $56.79 $19.3 Million - $26.6 Million	469,177 Added 25.61%	2,301,477 $123 Million
Q3 2020 Nov 16, 2020	BUY	$36.42 - $57.0 $9.74 Million - $15.2 Million	267,400 Added 17.09%	1,832,300 $75.6 Million
Q2 2020 Aug 14, 2020	SELL	$39.26 - $52.73 $2.62 Million - $3.51 Million	-66,624 Reduced 4.08%	1,564,900 $75.9 Million
Q1 2020 May 15, 2020	SELL	$31.65 - $46.87 $8.67 Million - $12.8 Million	-273,850 Reduced 14.37%	1,631,524 $68.9 Million
Q4 2019 Feb 14, 2020	SELL	$36.21 - $51.4 $9.82 Million - $13.9 Million	-271,303 Reduced 12.46%	1,905,374 $81.5 Million
Q3 2019 Nov 14, 2019	SELL	$22.22 - $44.01 $2.94 Million - $5.81 Million	-132,126 Reduced 5.72%	2,176,677 $78.3 Million
Q2 2019 Aug 14, 2019	BUY	$23.32 - $28.12 $1.41 Million - $1.7 Million	60,400 Added 2.69%	2,308,803 $61.7 Million
Q1 2019 Jul 30, 2019	BUY	$16.17 - $27.38 $36.4 Million - $61.6 Million	2,248,403 New	2,248,403 $60.4 Million
Q1 2019 May 15, 2019	SELL	$16.17 - $27.38 $32.8 Million - $55.5 Million	-2,026,063 Closed	0 $0
Q4 2018 Feb 14, 2019	BUY	$14.32 - $22.92 $4.9 Million - $7.84 Million	341,883 Added 20.3%	2,026,063 $32.8 Million
Q3 2018 Nov 14, 2018	BUY	$13.03 - $21.81 $435,202 - $728,454	33,400 Added 2.02%	1,684,180 $35 Million
Q1 2018 May 15, 2018	BUY	$22.47 - $32.33 $219,082 - $315,217	9,750 Added 0.59%	1,650,780 $37.1 Million
Q3 2017 Nov 14, 2017	BUY	$29.49 - $38.37 $48.4 Million - $63 Million	1,641,030	1,641,030 $61.8 Million

Others Institutions Holding ACAD

# of Institutions

346

Shares Held

165M

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 $3.99B
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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Palo Alto Investors LP Acadia Pharmaceuticals Inc Transaction History