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Livermore
Livermore
ZHEN

D. E. Shaw & Co., Inc.

SEC CIK
0001009207
Latest filing
Aug 14, 2026

ACAD holding history

Acadia Pharmaceuticals Inc in every 13F filed by D. E. Shaw & Co., Inc., including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

ACAD overviewAll 13F holders of ACADFull Q2 2026 holdings

Shares (Q2 2026)
1,697,937
Value
$43.0M
% of portfolio
<0.1%
Quarters held
22
Since Q1 2021
Holdings of ACAD by D. E. Shaw & Co., Inc., by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20261,697,937$43.0M<0.1%+968,101+132.6%AddedHolders
Q1 2026729,836$16.2M<0.1%−296,949−28.9%ReducedHolders
Q4 20251,026,785$27.4M<0.1%−534,376−34.2%ReducedHolders
Q3 20251,561,161$33.3M<0.1%−403,360−20.5%ReducedHolders
Q2 20251,964,521$42.4M<0.1%−384,899−16.4%ReducedHolders
Q1 20252,349,420$39.0M<0.1%−891,986−27.5%ReducedHolders
Q4 20243,241,406$59.5M0.1%−263,551−7.5%ReducedHolders
Q3 20243,504,957$53.9M0.1%+570,031+19.4%AddedHolders
Q2 20242,934,926$47.7M0.1%+292,906+11.1%AddedHolders
Q1 20242,642,020$48.9M0.1%−1,112,578−29.6%ReducedHolders
Q4 20233,754,598$117.6M0.2%−1,034,400−21.6%ReducedHolders
Q3 20234,788,998$99.8M0.2%−474,080−9.0%ReducedHolders
Q2 20235,263,078$126.1M0.2%+362,496+7.4%AddedHolders
Q1 20234,900,582$92.2M0.1%+681,183+16.1%AddedHolders
Q4 20224,219,399$67.2M0.1%−492,781−10.5%ReducedHolders
Q3 20224,712,180$77.1M0.1%+25,515+0.5%AddedHolders
Q2 20224,686,665$66.0M0.1%+139,702+3.1%AddedHolders
Q1 20224,546,963$110.1M0.1%+19,760+0.4%AddedHolders
Q4 20214,527,203$105.7M0.1%−1,043,329−18.7%ReducedHolders
Q3 20215,570,532$92.5M0.1%+805,467+16.9%AddedHolders
Q2 20214,765,065$116.2M0.1%+2,409,857+102.3%AddedHolders
Q1 20212,355,208$60.8M0.1%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.