Security key
004225108
ACADIA PHARMACEUTICALS INC - Common Stock (ACAD)
CUSIP: 004225108
Q1 2026 13F Holders as of 31 Mar 2026
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 164,739,253
- Total 13F value
- $3,666,698,102
- Share change
- -1,912,274
- Put/Call ratio
- 68%
- SEC-reported price per share
- $22.26
- Number of holders
- 338
- Value change
- -$63,001,635
- Number of buys
- 150
- Number of sells
- 160
- Shares outstanding
- 170,504,990
Holder snapshot
7 signals
Show 1 more signal
Security identity
1 source field
Report period
Q1 2026
Institutions
338
Top holders
10
ACAD full security history
Ownership snapshot
Full 13F holder table
Previous quarter: Q4 2025
ACADIA PHARMACEUTICALS INC SEC filings
ACADIA PHARMACEUTICALS INC company facts
Broader feeds
Reporting periods
Holder history for CUSIP 004225108
Recent filing periods:
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
31 Mar 2026
13D/G
13F
Lead comparable stake: 25%
13D/G row: BAKER BROS. ADVISORS LP
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.
Comparable ownership
Top 5
BAKER BROS. ADVISORS LP
25%
BlackRock, Inc.
12%
VANGUARD PORTFOLIO MANAGEMENT LLC
5.2%
RTW INVESTMENTS, LP
4.2%
VANGUARD GROUP INC
8.9%
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 |
13D/G
13F
Julian C. Baker · Company
|
25%
|
$1,162,886,859
43,294,373 shares
|
$0 | 24 Feb 2026 |
| BlackRock, Inc. |
13F
13D/G
Company
|
12%
from 13D/G
|
$554,378,124
20,755,452 shares
|
— | 31 Dec 2025 |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13D/G
Vanguard Portfolio Management
|
5.2%
|
$195,465,216
8,781,007 shares
|
$0 | 31 Mar 2026 |
| RTW INVESTMENTS, LP |
13F
13D/G
Company
|
4.2%
from 13D/G
|
$190,830,236
7,144,524 shares
|
— | 31 Dec 2025 |
| VANGUARD GROUP INC |
13F
Company
|
8.9%
|
$404,762,192
15,153,957 shares
|
— | 31 Dec 2025 |
| STATE STREET CORP |
13F
Company
|
4.6%
|
$211,295,678
7,910,733 shares
|
— | 31 Dec 2025 |
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 Q1 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
338
Shares
164,739,253
Rows available
338
| 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 Q1 2026 vs Q4 2025 Across Filers
Q4 2025 holders
333
Q1 2026 holders
338
Holder diff
5
| Investor | Q4 2025 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q4 2025 value | Q1 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend