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D. E. Shaw & Co., Inc.

Position in ACAD — Acadia Pharmaceuticals Inc

CIK 1009207 New York, NY

Position in ACAD

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$42,957,805
+$26,711,656 QoQ
Shares Held
1,697,937
+132.6% QoQ
Ownership
0.985%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#17
of 354 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 97% Shared 0% None 3%

Common Shares in ACAD Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

D. E. Shaw & Co., Inc. holds $5,139,216,221 across 217 Biotechnology names. ACAD ranks #30 (0.8% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ACAD

Export CSV
26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $42,957,805 1,697,937
2026-03-31 $16,246,149 729,836
2025-12-31 $27,425,426 1,026,785
2025-09-30 $33,315,175 1,561,161
2025-06-30 $42,374,717 1,964,521
2025-03-31 $39,023,865 2,349,420
2024-12-31 $59,479,799 3,241,406
2024-09-30 $53,906,237 3,504,957
2024-06-30 $47,692,546 2,934,926
2024-03-31 $48,850,949 2,642,020
2023-12-31 $117,556,462 3,754,598
2023-09-30 $99,802,717 4,788,998
2023-06-30 $126,050,717 5,263,078
2023-03-31 $92,228,952 4,900,582
2022-12-31 $67,172,831 4,219,399
2022-09-30 $77,091,264 4,712,180
2022-06-30 $66,035,109 4,686,665
2022-03-31 $110,127,443 4,546,963
2021-12-31 $105,664,917 4,527,203
2021-09-30 $92,526,535 5,570,532
2021-06-30 $116,219,934 4,765,065
2021-03-31 $60,764,366 2,355,208
2020-12-31 $119,900,087 2,242,800
2020-09-30 $93,411,161 2,264,513
2020-06-30 $104,123,641 2,148,208
2020-03-31 $54,507,949 1,290,129