Skip to main content
Livermore
Livermore
ZHEN

ProShare Advisors LLC

SEC CIK
0001357955
Latest filing
Aug 11, 2026

STX holding history

Seagate Technology Holdings plc in every 13F filed by ProShare Advisors LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

STX overviewAll 13F holders of STXFull Q2 2026 holdings

Shares (Q2 2026)
255,231
Value
$246.3M
% of portfolio
0.4%
Quarters held
22
Since Q1 2021
Holdings of STX by ProShare Advisors LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026255,231$246.3M0.4%−63,279−19.9%ReducedHolders
Q1 2026318,510$124.8M0.2%−62,344−16.4%ReducedHolders
Q4 2025380,854$104.9M0.2%+335,431+738.5%AddedHolders
Q3 202545,423$10.7M<0.1%−11,345−20.0%ReducedHolders
Q2 202556,768$8.19M<0.1%+2,426+4.5%AddedHolders
Q1 202554,342$4.62M<0.1%−1,479−2.6%ReducedHolders
Q4 202455,821$4.82M<0.1%+3,869+7.4%AddedHolders
Q3 202451,952$5.69M<0.1%+2,213+4.4%AddedHolders
Q2 202449,739$5.14M<0.1%+1,717+3.6%AddedHolders
Q1 202448,022$4.47M<0.1%−2,143−4.3%ReducedHolders
Q4 202350,165$4.28M<0.1%+13,871+38.2%AddedHolders
Q3 202336,294$2.39M<0.1%−1,039−2.8%ReducedHolders
Q2 202337,333$2.31M<0.1%+2,162+6.1%AddedHolders
Q1 202335,171$2.33M<0.1%+6,686+23.5%AddedHolders
Q4 202228,485$1.50M<0.1%−1,096−3.7%ReducedHolders
Q3 202229,581$1.58M<0.1%−4,546−13.3%ReducedHolders
Q2 202234,127$2.44M<0.1%−14,847−30.3%ReducedHolders
Q1 202248,974$4.40M<0.1%−5,127−9.5%ReducedHolders
Q4 202154,101$6.11M<0.1%+12,801+31.0%AddedHolders
Q3 202141,300$3.41M<0.1%−1,123−2.6%ReducedHolders
Q2 202142,423$3.73M<0.1%+2,506+6.3%AddedHolders
Q1 202139,917$3.06M<0.1%––Holders

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