Skip to main content
Livermore
Livermore
ZHEN

Dimensional Fund Advisors LP

SEC CIK
0000354204
Latest filing
Aug 11, 2026

IONS holding history

Ionis Pharmaceuticals Inc in every 13F filed by Dimensional Fund Advisors LP, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

IONS overviewAll 13F holders of IONSFull Q2 2026 holdings

Shares (Q2 2026)
84,748
Value
$6.72M
% of portfolio
<0.1%
Quarters held
20
Since Q1 2021
Holdings of IONS by Dimensional Fund Advisors LP, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202684,748$6.72M<0.1%−182,467−68.3%ReducedHolders
Q1 2026267,215$20.1M<0.1%+91,180+51.8%AddedHolders
Q4 2025176,035$13.9M<0.1%+133,818+317.0%AddedHolders
Q3 202542,217$2.76M<0.1%+42,217NewHolders
Q1 20250$00.0%−94,157−100.0%Sold outHolders
Q4 202494,157$3.29M<0.1%−175−0.2%ReducedHolders
Q3 202494,332$3.78M<0.1%+5,586+6.3%AddedHolders
Q2 202488,746$4.23M<0.1%−20,557−18.8%ReducedHolders
Q1 2024109,303$4.74M<0.1%−15,914−12.7%ReducedHolders
Q4 2023125,217$6.33M<0.1%−66,943−34.8%ReducedHolders
Q3 2023192,160$8.72M<0.1%+9,446+5.2%AddedHolders
Q2 2023182,714$7.50M<0.1%−260,171−58.7%ReducedHolders
Q1 2023442,885$15.8M<0.1%−15,559−3.4%ReducedHolders
Q4 2022458,444$17.3M<0.1%−102,484−18.3%ReducedHolders
Q3 2022560,928$24.8M<0.1%−24,120−4.1%ReducedHolders
Q2 2022585,048$21.7M<0.1%+231,567+65.5%AddedHolders
Q1 2022353,481$13.1M<0.1%−33,210−8.6%ReducedHolders
Q4 2021386,691$11.8M<0.1%+30,852+8.7%AddedHolders
Q3 2021355,839$11.9M<0.1%−54,378−13.3%ReducedHolders
Q2 2021410,217$16.4M<0.1%−47,064−10.3%ReducedHolders
Q1 2021457,281$20.6M<0.1%––Holders

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