What does CUSIP 004225108 represent in this 13F holders report?

CUSIP 004225108 is the security identifier for ACAD - ACADIA PHARMACEUTICALS INC - Common Stock used to aggregate holder disclosures.

How many institutions held ACAD - ACADIA PHARMACEUTICALS INC - Common Stock in Q4 2023?

272 institutional investors reported ACAD - ACADIA PHARMACEUTICALS INC - Common Stock for Q4 2023. Use the holders table for investor-level position and value details.

ACADIA PHARMACEUTICALS INC - Common Stock (ACAD)

CUSIP: 004225108

Q4 2023 13F Holders as of 31 Dec 2023

Security type / class: Equity / Common Stock
Total 13F shares: 159,519,491
Total 13F value: $4,994,576,405
Share change: +3,365,646
Put/Call ratio: 124%
SEC-reported price per share: $31.31
Number of holders: 272
Value change: +$146,161,056
Number of buys: 152
Number of sells: 100
Shares outstanding: 170,504,990

Security key

004225108

Report period

Q4 2023

Institutions

272

Top holders

ACAD full security history Ownership snapshot Full 13F holder table ACADIA PHARMACEUTICALS INC SEC filings ACADIA PHARMACEUTICALS INC company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Ownership snapshot

Top reported holders of ACAD - ACADIA PHARMACEUTICALS INC - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

BAKER BROS. ADVISORS LP

Disclosed value leader

BAKER BROS. ADVISORS LP

Comparable rows

15/15

Latest evidence

30 Sep 2023

13F Lead comparable stake: 25% Showing 1-6 of 15 holder rows.

Quick read

BAKER BROS. ADVISORS LP leads the comparable SEC ownership view at 25%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens BAKER BROS. ADVISORS LP's linked filing trail.

Comparable ownership Top 5

BAKER BROS. ADVISORS LP 25%

VANGUARD GROUP INC 8%

RTW INVESTMENTS, LP 6.8%

BlackRock Finance, Inc. 5.9%

EcoR1 Capital, LLC 3.5%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
BAKER BROS. ADVISORS LP	13F Company 13F	25%	$893,298,514 42,864,612 shares	—	30 Sep 2023
VANGUARD GROUP INC	13F Company 13F	8%	$283,772,861 13,616,740 shares	—	30 Sep 2023
RTW INVESTMENTS, LP	13F Company 13F	6.8%	$241,255,031 11,576,537 shares	—	30 Sep 2023
BlackRock Finance, Inc.	13F Company 13F	5.9%	$208,995,709 10,028,585 shares	—	30 Sep 2023
EcoR1 Capital, LLC	13F Company 13F	3.5%	$124,862,422 5,991,479 shares	—	30 Sep 2023
FMR LLC	13F Company 13F	3.1%	$110,493,263 5,301,980 shares	—	30 Sep 2023

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q4 2023

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

272

159,519,491

Rows available

272

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q4 2023 vs Q3 2023 Across Filers

Q3 2023 holders

246

Q4 2023 holders

272

Holder diff

Investor	Q3 2023 Shares	Q4 2023 Shares	Share Diff	Share Chg %	Q3 2023 value	Q4 2023 value	Value change	Value Chg %