Ticker · CUSIP 004225108

ACAD

ACADIA PHARMACEUTICALS INC
Healthcare·Biotechnology
···Share
Holders (tracked)
14
Combined shares
12,598,941
Combined value
$336.52M
Last close
$22.17
Quarter
2025Q4
Price · 1Y$22.17+7.44 (+50.51%)H $28.06 · L $14.35 · Avg Vol 1.9M
$15.00$20.00$25.00VolJul 25Oct 25Jan 26Apr 26
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
14172024Q12025Q4
Price is -17.0% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

24 events
  1. Ken Griffin (Citadel Advisors) added2026-02-17
    +1,043,939 shares · 2025Q4
    Position
  2. Two Sigma Investments added2026-02-17
    +453,226 shares · 2025Q4
    Position
  3. D.E. Shaw & Co. trimmed2026-02-17
    −534,376 shares · 2025Q4
    Position
  4. Izzy Englander (Millennium Mgmt) trimmed2026-02-17
    −929,561 shares · 2025Q4
    Position
  5. Steve Cohen (Point72) added2026-02-17
    +1,890,954 shares · 2025Q4
    Position
  6. T. Rowe Price trimmed2026-02-17
    −485,714 shares · 2025Q4
    Position
  7. Wellington Management trimmed2026-02-17
    −2,052 shares · 2025Q4
    Position
  8. AQR Capital Management trimmed2026-02-17
    −16,084 shares · 2025Q4
    Position
  9. Ray Dalio (Bridgewater Associates) trimmed2026-02-13
    −25,066 shares · 2025Q4
    Position
  10. Renaissance Technologies added2026-02-12
    +83,063 shares · 2025Q4
    Position
  11. Norges Bank (Norway SWF) opened position2026-02-10
    +1,507,527 shares · 2025Q4
    Position
  12. Ken Fisher (Fisher Asset Mgmt) added2026-02-09
    +26,595 shares · 2025Q4
    Position
  13. D.E. Shaw & Co. trimmed2025-11-14
    −403,360 shares · 2025Q3
    Position
  14. Izzy Englander (Millennium Mgmt) added2025-11-14
    +1,414,315 shares · 2025Q3
    Position
  15. T. Rowe Price added2025-11-14
    +172,132 shares · 2025Q3
    Position
  16. AQR Capital Management added2025-11-14
    +329,129 shares · 2025Q3
    Position
  17. Steve Cohen (Point72) trimmed2025-11-14
    −1,686,154 shares · 2025Q3
    Position
  18. Two Sigma Investments added2025-11-14
    +182,793 shares · 2025Q3
    Position
  19. Wellington Management added2025-11-14
    +5,743 shares · 2025Q3
    Position
  20. Renaissance Technologies trimmed2025-11-13
    −98,199 shares · 2025Q3
    Position
  21. Ray Dalio (Bridgewater Associates) opened position2025-11-13
    +163,245 shares · 2025Q3
    Position
  22. Norges Bank (Norway SWF) exited2025-11-13
    −1,468,647 shares · 2025Q3
    Position
  23. Norges Bank (Norway SWF) trimmed2025-11-12
    −119,070 shares · 2024Q3
    Position
  24. Ken Fisher (Fisher Asset Mgmt) added2025-11-12
    +328,181 shares · 2025Q3
    Position

Insider activity

No insider transactions in the last 30 days.
View full insider history for ACAD →
Follow-the-investor returns
If you'd copied each holder of ACAD…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
Renaissance Technologies2018Q2$18.94+17.1%$34.0M
Izzy Englander (Millennium Mgmt)2016Q1$21.11+5.0%$12.3M
AQR Capital Management2016Q1$21.30+4.1%$13.4M
Two Sigma Investments2016Q4$21.32+4.0%$24.8M
Ray Dalio (Bridgewater Associates)2022Q1$21.41+3.5%$3.1M
Ken Fisher (Fisher Asset Mgmt)2023Q4$22.38-1.0%$14.7M
Steve Cohen (Point72)2016Q1$22.62-2.0%$74.9M
Wellington Management2016Q1$23.36-5.1%$1.2M
T. Rowe Price2016Q1$23.82-6.9%$13.6M
D.E. Shaw & Co.2016Q1$24.49-9.5%$22.8M
Ken Griffin (Citadel Advisors)2016Q1$25.45-12.9%$266K
Ken Griffin (Citadel Advisors)2016Q1$25.45-12.9%$266K
Ken Griffin (Citadel Advisors)2016Q1$25.45-12.9%$266K
Norges Bank (Norway SWF)2016Q1$3288.87-99.3%$33.4M

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.
New positions1
Added to5
Trimmed6
Exited0
—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
14
$29.64B
2022Q2
15
$23.77B
2022Q3
13
$399.4M
2022Q4
15
$405.2M
2023Q1
15
$478.9M
2023Q2
13
$594.3M
2023Q3
14
$515.2M
2023Q4
12
$665.7M
2024Q1
17
$407.7M
2024Q2
16
$424.4M
2024Q3
13
$149.6M
2024Q4
13
$220.9M
2025Q1
13
$182.8M
2025Q2
13
$289.4M
2025Q3
13
$207.4M
2025Q4
14
$336.5M

Who owns ACAD

14 super-investors · 2025Q4
Tracked stake
12.60M
shares
Combined value
$337M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Added7Trim6
#ManagerSharesValue
1Steve Cohen
Point72
3.38M$90M
2Renaissance Technologies1.53M$41M
3Norges Bank
Norway SWF
1.51M$40M
4Ken Griffin
Citadel Advisors
1.37M$37M
5Two Sigma Investments1.12M$30M
6D.E. Shaw & Co.1.03M$27M
7Ken Fisher
Fisher Asset Mgmt
665.1K$18M
8T. Rowe Price615.2K$16M
9AQR Capital Management604.7K$16M
10Izzy Englander
Millennium Mgmt
553.7K$15M
11Ray Dalio
Bridgewater Associates
138.2K$4M
12Wellington Management53.3K$1M
13Ken Griffin
Citadel Advisors
26.0K$694K
14Ken Griffin
Citadel Advisors
12.0K$321K

Recent moves

20 transactions
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