Quick Takeaways
- BAKER BROS. ADVISORS LP filed SCHEDULE 13D/A for ACADIA Pharmaceuticals Inc. Common Stock, $0.0001 par value per share (ACAD).
- Disclosed ownership: 25%.
- Date of event: 24 Feb 2026.
BAKER BROS. ADVISORS LP - 24 Feb 2026 SCHEDULE 13D/A Report for ACADIA Pharmaceuticals Inc. Common Stock, $0.0001 par value per share (ACAD)
- Filing Manager
- BAKER BROS. ADVISORS LP
- Reporting Manager
- Julian C. Baker
- Symbol
- ACAD
- Shares outstanding
- 170,450,287 shares
- Disclosed Ownership
- 43,294,373 shares
- Ownership
- 25%
- Form type
- SCHEDULE 13D/A
- Filing time
- 26 Feb 2026, 18:59:24 UTC
- Date of event
- 24 Feb 2026
- SEC
- View on sec.gov
Quoteable Key Fact
"BAKER BROS. ADVISORS LP disclosed 25% ownership in ACADIA Pharmaceuticals Inc. Common Stock, $0.0001 par value per share (ACAD) on 24 Feb 2026."
What Changed
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 26 Feb 2026, 18:59.
Why This Matters
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Source Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting Managers (5)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Baker Bros. Advisors LP | 25% | 43,151,054 | 43,151,054 | 0 | /s/ Scott L. Lessing | Scott L. Lessing/ President | 0001263508 |
| Baker Bros. Advisors (GP) LLC | 25% | 43,151,054 | 43,151,054 | 0 | /s/ Scott L. Lessing | Scott L. Lessing/ President | 0001580575 |
| Julian C. Baker | 25% | 43,294,373 | 43,294,373 | 0 | /s/ Julian C. Baker | Julian C. Baker | 0001087939 |
| Felix J. Baker | 25% | 43,294,373 | 43,294,373 | 0 | /s/ Felix J. Baker | Felix J. Baker | 0001087940 |
| FBB3 LLC | 0.02% | 40,443 | 40,443 | 0 | /s/ Felix J. Baker | Felix J. Baker | 0001625395 |