Who owns ACAD?
Institutional ownership of ACADIA Pharmaceuticals Inc. from Form 13F, Q2 2026
352 institutional managers reported holding ACADIA Pharmaceuticals Inc. (ACAD) in Form 13F filings for Q2 2026, with 168,649,879 shares worth $4.3B. The largest reported holder was Baker Bros. Advisors LP. Managers that filed both quarters added a net 3,611,338 shares (+2.2%). 47 opened new positions and 35 sold out.
- Funds holding
- 352
- Value held
- $4.3B
- New / sold out
- 47 / 35
- Net shares, same filers
- +2.2%
Holdings as of June 30, 2026, the end of Q2 2026. Managers have 45 days after a quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.
Largest holders of ACAD
| Fund | Value | Share of 13F holdings | Shares | Move |
|---|---|---|---|---|
| Baker Bros. Advisors LP | $1.1B | 25.4% | 42,912,904 | Unchanged |
| BlackRock, Inc. | $570M | 13.4% | 22,515,173 | Added |
| State Street Corp | $230M | 5.4% | 9,076,212 | Added |
| Vanguard Portfolio Management LLC | $224M | 5.2% | 8,838,450 | Added |
| RTW Investments, LP | $181M | 4.2% | 7,144,524 | Unchanged |
| Vanguard Capital Management LLC | $146M | 3.4% | 5,763,750 | Added |
| Dimensional Fund Advisors LP | $93.5M | 2.2% | 3,694,988 | Added |
| Geode Capital Management, LLC | $85.0M | 2.0% | 3,358,129 | Trimmed |
| Palo Alto Investors LP | $72.5M | 1.7% | 2,864,096 | Trimmed |
| Goldman Sachs Group Inc | $65.3M | 1.5% | 2,580,115 | Added |
| Qube Research & Technologies Ltd | $61.9M | 1.5% | 2,446,610 | Added |
| Point72 Asset Management, L.P. | $61.6M | 1.4% | 2,433,168 | Trimmed |
| Citadel Advisors LLC | $55.2M | 1.3% | 2,182,177 | Added |
| Pictet Asset Management Holding SA | $50.1M | 1.2% | 1,983,198 | Trimmed |
| Arrowstreet Capital, Limited Partnership | $49.8M | 1.2% | 1,969,445 | Added |
| Marshall Wace, LLP | $44.7M | 1.0% | 1,764,838 | Added |
| D. E. Shaw & Co., Inc. | $43.0M | 1.0% | 1,697,937 | Added |
| Braidwell LP | $41.7M | 1.0% | 1,646,399 | Trimmed |
| Norges Bank | $41.1M | 1.0% | 1,623,308 | New |
| Frazier Life Sciences Management, L.P. | $36.4M | 0.9% | 1,438,198 | Unchanged |
| Northern Trust Corp | $34.6M | 0.8% | 1,367,422 | Added |
| Nuveen, LLC | $34.1M | 0.8% | 1,348,192 | Added |
| Artisan Partners Limited Partnership | $33.5M | 0.8% | 1,325,134 | Trimmed |
| Bank of America Corp | $32.9M | 0.8% | 1,300,385 | Trimmed |
| Renaissance Technologies LLC | $32.4M | 0.8% | 1,282,596 | Trimmed |
Share of 13F holdings is each fund's shares as a share of the 168,649,879 ACAD shares all 13F filers reported, not of shares outstanding.
Biggest buyers in Q2 2026
- Marshall Wace, LLP Added+$42.7M
- Norges Bank New+$41.1M
- Citadel Advisors LLC Added+$39.5M
- Qube Research & Technologies Ltd Added+$37.9M
- Goldman Sachs Group Inc Added+$25.9M
- D. E. Shaw & Co., Inc. Added+$24.5M
- BlackRock, Inc. Added+$24.4M
- State Street Corp Added+$18.8M
- Dimensional Fund Advisors LP Added+$13.7M
- Adage Capital Partners GP, L.l.c. Added+$12.7M
Biggest sellers in Q2 2026
- First Trust Advisors LP Trimmed-$79.9M
- Braidwell LP Trimmed-$20.9M
- Jane Street Group, LLC Trimmed-$17.5M
- Fred Alger Management, LLC Trimmed-$15.9M
- Woodline Partners LP Sold out-$15.1M
- Deutsche Bank Ag\ Trimmed-$14.7M
- Voya Investment Management LLC Trimmed-$13.5M
- Logos Global Management LP Trimmed-$12.7M
- Renaissance Technologies LLC Trimmed-$11.2M
- Price T Rowe Associates Inc Trimmed-$10.8M
The change in shares since the quarter before, adjusted for stock splits and priced at the Q2 2026 value per share. Funds bought $418M and sold $322M; 132 added and 111 trimmed.
Schedule 13D and 13G filings on ACAD
Owners of more than 5% must file within days, so these can be newer than the 13F data.
- 2026-11-10STATE STREET CORP SCHEDULE 13G filed by ACADIA Pharmaceuticals Inc.Schedule 13G
- 2026-08-07STATE STREET CORP SCHEDULE 13G filed by ACADIA Pharmaceuticals Inc.Schedule 13G
Questions about ACAD ownership
- Who owns ACAD stock?
- 352 institutional investment managers reported ACAD positions in their Form 13F filings for Q2 2026, holding 168,649,879 shares worth $4.3B in total. Baker Bros. Advisors LP reported the largest position.
- Are funds buying or selling ACAD?
- In Q2 2026, 47 managers opened new ACAD positions, 132 added, 111 trimmed and 35 sold out. Managers that filed in both quarters added a net 3,611,338 shares.
- How current is this ACAD institutional ownership data?
- It covers holdings as of the end of Q2 2026. Managers have 45 days after the quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.
From the SEC's Form 13F data sets for Q2 2026: every 13F holdings report, matched to ACAD by CUSIP. Options are left out. ACAD news and filings · ACAD insider trades · Top funds