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ACAD · Acadia Pharmaceuticals Inc

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Market Cap
$4.83B
Shares
172.31M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 355
Total Value: $4,277,606,563
Total Shares: 169,172,567
Showing 1–100 of 367 holdings by value · page 1 of 4

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 355 13F filers · Δ vs Mar 31, 2026
Top Holder
25.4%
Sep 2023 → Jun 2026 · range 24.5% – 27.3%
−0.5 pts
Top 5
53.5%
Sep 2023 → Jun 2026 · range 52.1% – 56.8%
+0.1 pts
Top 10
64.3%
Sep 2023 → Jun 2026 · range 62.2% – 68.0%
−0.3 pts
HHI
943
Sep 2023 → Jun 2026 · range 909 – 1,016
Broadly held−14

Quarterly Activity

vs Mar 31, 2026
New
49
Increased
135
Decreased
114
Sold Out
41
Unchanged
57
Holder count: +8
Institutional value: +15.9%
Shares held: +2.1%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 367
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1070494 CUSIP 004225108 13F (30d) 219 filings 218 filers Visit website Investor relations