아카디아 파마슈티컬스(ACADIA Pharmaceuticals Inc.)
MX ˙ BMV ˙ US0042251084
SecurityMX:ACAD / ACADIA Pharmaceuticals Inc.
InstitutionRhumbline Advisers
Latest Disclosed Ownership355,461 shares
Latest Disclosed Value $ 7,912,538
Rhumbline Advisers reports 1.56% decrease in ownership of ACAD / ACADIA Pharmaceuticals Inc.

On May 12, 2026 - Rhumbline Advisers filed a 13F-HR form disclosing ownership of 355,461 shares of ACADIA Pharmaceuticals Inc. (MX:ACAD) valued at $7,912,538 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 361,086 shares of ACADIA Pharmaceuticals Inc.. This represents a change in shares of -1.56% during the quarter.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-12 2026-03-31 13F ACADIA PHARMACEUTICALS INC COM COM 004225108 355,461 -5,625 -1.56 7,913 -17.96 0.0068
2026-02-13 2025-12-31 13F ACADIA PHARMACEUTICALS INC COM COM 004225108 361,086 -30,463 -7.78 9,645 15.43 0.0078
2025-11-06 2025-09-30 13F ACADIA PHARMACEUTICALS INC COM COM 004225108 391,549 24,463 6.66 8,356 5.52 0.0067
2025-08-12 2025-06-30 13F ACADIA PHARMACEUTICALS INC COM COM 004225108 367,086 14,370 4.07 7,918 35.17 0.0068
2025-05-29 2025-03-31 13F/A-1 ACADIA PHARMACEUTICALS INC COM COM 004225108 352,716 177,188 100.95 5,859 81.93 0.0055
2025-04-08 2025-03-31 13F ACADIA PHARMACEUTICALS INC COM COM 004225108 352,716 177,188 5,859 0.0055
2025-05-29 2024-12-31 13F/A-1 ACADIA PHARMACEUTICALS INC COM COM 004225108 175,528 -2,613 -1.47 3,221 17.56 0.0029
2025-01-30 2024-12-31 13F ACADIA PHARMACEUTICALS INC COM COM 004225108 175,528 -2,613 3,221 0.0029
2024-11-12 2024-09-30 13F ACADIA PHARMACEUTICALS INC COM COM 004225108 178,141 -8,359 -4.48 2,740 -9.60 0.0025
2024-08-01 2024-06-30 13F ACADIA PHARMACEUTICALS INC COM COM 004225108 186,500 2,121 1.15 3,031 -11.12 0.0028
2024-05-09 2024-03-31 13F ACADIA PHARMACEUTICALS INC COM COM 004225108 184,379 1,095 0.60 3,409 -40.59 0.0033
2024-02-08 2023-12-31 13F ACADIA PHARMACEUTICALS INC COM COM 004225108 183,284 -1,116 -0.61 5,739 49.35 0.0060
2023-11-09 2023-09-30 13F ACADIA PHARMACEUTICALS INC COM COM 004225108 184,400 3,624 2.00 3,843 -11.25 0.0045
2023-08-08 2023-06-30 13F ACADIA PHARMACEUTICALS INC COM COM 004225108 180,776 6,977 4.01 4,330 144,200.00 0.0048
2023-05-11 2023-03-31 13F ACADIA PHARMACEUTICALS INC COM COM 004225108 173,799 917 0.53 3 -99.89 0.0040
2023-02-14 2022-12-31 13F ACADIA PHARMACEUTICALS INC COM COM 004225108 172,882 5,322 3.18 2,752 0.40 0.0037
2022-11-10 2022-09-30 13F ACADIA PHARMACEUTICALS INC COM COM 004225108 167,560 16,545 10.96 2,741 28.81 0.0041
2022-08-11 2022-06-30 13F ACADIA PHARMACEUTICALS INC COM COM 004225108 151,015 17,571 13.17 2,128 -34.16 0.0031
2022-05-12 2022-03-31 13F ACADIA PHARMACEUTICALS INC COM COM 004225108 133,444 5,011 3.90 3,232 7.81 0.0042
2022-02-10 2021-12-31 13F ACADIA PHARMACEUTICALS INC COM COM 004225108 128,433 -1,740 -1.34 2,998 38.67 0.0037
2021-11-12 2021-09-30 13F ACADIA PHARMACEUTICALS INC COM COM 004225108 130,173 1,651 1.28 2,162 -31.04 0.0029
2021-08-05 2021-06-30 13F ACADIA PHARMACEUTICALS INC COM COM 004225108 128,522 12,840 11.10 3,135 5.03 0.0041
2021-05-06 2021-03-31 13F ACADIA PHARMACEUTICALS INC COM COM 004225108 115,682 -9,114 -7.30 2,985 -55.26 0.0041
2021-02-10 2020-12-31 13F ACADIA PHARMACEUTICALS INC COM COM 004225108 124,796 100 0.08 6,672 29.70 0.0092
2020-11-12 2020-09-30 13F ACADIA PHARMACEUTICALS INC COM COM 004225108 124,696 -7,515 -5.68 5,144 -19.73 0.0081
2020-08-13 2020-06-30 13F ACADIA PHARMACEUTICALS INC COM COM 004225108 132,211 -30,324 -18.66 6,408 -6.68 0.0107
2020-05-06 2020-03-31 13F ACADIA PHARMACEUTICALS INC COM COM 004225108 162,535 1,758 1.09 6,867 -0.16 0.0144
2020-02-05 2019-12-31 13F ACADIA PHARMACEUTICALS INC COM COM 004225108 160,777 13,709 9.32 6,878 29.95 0.0115
2019-10-23 2019-09-30 13F ACADIA PHARMACEUTICALS INC COM COM 004225108 147,068 -3,462 -2.30 5,293 31.54 0.0097
2019-08-14 2019-06-30 13F ACADIA PHARMACEUTICALS INC COM COM 004225108 150,530 462 0.31 4,024 -0.12 0.0076
2019-05-01 2019-03-31 13F ACADIA PHARMACEUTICALS INC COM COM 004225108 150,068 17,252 12.99 4,029 87.57 0.0078
2019-01-31 2018-12-31 13F ACADIA PHARMACEUTICALS INC COM COM 004225108 132,816 44,513 50.41 2,148 17.18 0.0047
2018-11-07 2018-09-30 13F ACADIA PHARMACEUTICALS INC COM COM 004225108 88,303 -6,015 -6.38 1,833 27.29 0.0035
2018-08-06 2018-06-30 13F ACADIA PHARMACEUTICALS INC COM COM 004225108 94,318 -7,910 -7.74 1,440 -37.31 0.0029
2018-05-02 2018-03-31 13F ACADIA PHARMACEUTICALS INC COM COM 004225108 102,228 -6,132 -5.66 2,297 -29.60 0.0048
2018-02-09 2017-12-31 13F ACADIA PHARMACEUTICALS INC COM COM 004225108 108,360 -2,734 -2.46 3,263 -22.03 0.0066
2017-11-06 2017-09-30 13F ACADIA PHARMACEUTICALS INC COM COM 004225108 111,094 -4,682 -4.04 4,185 29.61 0.0091
2017-08-02 2017-06-30 13F ACADIA PHARMACEUTICALS INC COM COM 004225108 115,776 -1,573 -1.34 3,229 -19.96 0.0074
2017-05-02 2017-03-31 13F ACADIA PHARMACEUTICALS INC COM COM 004225108 117,349 -340 -0.29 4,034 18.86 0.0094
2017-01-27 2016-12-31 13F ACADIA PHARMACEUTICALS INC COM COM 004225108 117,689 9,006 8.29 3,394 -1.82 0.0086
2016-11-08 2016-09-30 13F ACADIA PHARMACEUTICALS INC COM COM 004225108 108,683 9,653 9.75 3,457 7.53 0.0095
2016-08-11 2016-06-30 13F ACADIA PHARMACEUTICALS INC COM COM 004225108 99,030 18,190 22.50 3,215 42.26 0.0095
2016-05-02 2016-03-31 13F ACADIA PHARMACEUTICALS COM COM 004225108 80,840 6,150 8.23 2,260 -15.13 0.0070
2016-02-03 2015-12-31 13F ACADIA PHARMACEUTICALS COM COM 004225108 74,690 1,715 2.35 2,663 10.36 0.0086
2015-11-04 2015-09-30 13F ACADIA PHARMACEUTICALS COM COM 004225108 72,975 1,522 2.13 2,413 -19.35 0.0082
2015-08-04 2015-06-30 13F ACADIA PHARMACEUTICALS COM COM 004225108 71,453 -2,800 -3.77 2,992 23.64 0.0095
2015-05-12 2015-03-31 13F ACADIA PHARMACEUTICALS COM COM 004225108 74,253 11,685 18.68 2,420 21.79 0.0070
2015-02-06 2014-12-31 13F ACADIA PHARMACEUTICALS COM COM 004225108 62,568 -595 -0.94 1,987 27.05 0.0058
2014-11-12 2014-09-30 13F ACADIA PHARMACEUTICALS COM COM 004225108 63,163 -4,090 -6.08 1,564 2.96 0.0047
2014-08-06 2014-06-30 13F ACADIA PHARMACEUTICALS COM COM 004225108 67,253 4,996 8.02 1,519 0.26 0.0045
2014-05-06 2014-03-31 13F ACADIA PHARMACEUTICALS COM COM 004225108 62,257 -3,240 -4.95 1,515 -7.45 0.0045
2014-02-03 2013-12-31 13F ACADIA PHARMACEUTICALS COM COM 004225108 65,497 3,270 5.25 1,637 -4.21 0.0048
2013-11-05 2013-09-30 13F ACADIA PHARMACEUTICALS COM COM 004225108 62,227 8,827 16.53 1,709 76.37 0.0053
2013-08-07 2013-06-30 13F ACADIA PHARMACEUTICALS COM COM 004225108 53,400 53,400 969 0.0031
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.