Skip to main content
Livermore
Livermore
ZHEN

Mariner, LLC

SEC CIK
0001373442
Latest filing
Aug 13, 2026

WDC holding history

Western Digital Corp in every 13F filed by Mariner, LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

WDC overviewAll 13F holders of WDCFull Q2 2026 holdings

Shares (Q2 2026)
188,982
Value
$120.7M
% of portfolio
0.1%
Quarters held
22
Since Q1 2021
Holdings of WDC by Mariner, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026188,982$120.7M0.1%+8,485+4.7%AddedHolders
Q1 2026180,497$48.8M0.1%+45,309+33.5%AddedHolders
Q4 2025135,188$23.3M<0.1%+59,199+77.9%AddedHolders
Q3 202575,989$9.12M<0.1%+21,941+40.6%AddedHolders
Q2 202554,048$3.46M<0.1%+12,659+30.6%AddedHolders
Q1 202541,389$1.67M<0.1%+6,345+18.1%AddedHolders
Q4 202435,044$2.09M<0.1%+1,855+5.6%AddedHolders
Q3 202433,189$2.27M<0.1%−2,925−8.1%ReducedHolders
Q2 202436,114$2.74M<0.1%+2,582+7.7%AddedHolders
Q1 202433,532$2.29M<0.1%+1,705+5.4%AddedHolders
Q4 202331,827$1.67M<0.1%−55,061−63.4%ReducedHolders
Q3 202386,888$3.96M<0.1%+61,309+239.7%AddedHolders
Q2 202325,579$970.2K<0.1%−6,109−19.3%ReducedHolders
Q1 202331,688$1.19M<0.1%−8,480−21.1%ReducedHolders
Q4 202240,168$1.27M<0.1%+7,139+21.6%AddedHolders
Q3 202233,029$1.08M<0.1%+1,128+3.5%AddedHolders
Q2 202231,901$1.43M<0.1%+15,569+95.3%AddedHolders
Q1 202216,332$811.0K<0.1%+2,923+21.8%AddedHolders
Q4 202113,409$874.0K<0.1%−418−3.0%ReducedHolders
Q3 202113,827$780.0K<0.1%−403−2.8%ReducedHolders
Q2 202114,230$1.01M<0.1%−301−2.1%ReducedHolders
Q1 202114,531$970.0K<0.1%––Holders

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