Boston Partners

SEC CIK: 0001386060
Latest filing: Aug 4, 2026

SEC filings (opens in a new tab)

WMG holding history

Warner Music Group Corp. in every 13F filed by Boston Partners, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

WMG overview All 13F holders of WMG Full Q2 2026 holdings

Shares (Q2 2026): 281,790
Value: $7.63M
% of portfolio: <0.1%
Quarters held: 2; Since Q1 2026

Holdings of WMG by Boston Partners, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	281,790	$7.63M	<0.1%	+61,789+28.1%	Added	Holders
Q1 2026	220,001	$5.62M	<0.1%	+220,001	New	Holders