Boston Trust Walden Corp: MRK position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Boston Trust Walden Corp on MRK, newest first. How the timeline and the estimate are built.
Boston Trust Walden Corp held 1,076,302 MRK shares at 2026-06-30 per its 13F-HR filed 2026-08-04.
the latest 13F is the newest step
- period ended2026-06-3013F 1,076,302 sharesChange vs previous 13F -18,658 shares
0.11% of the 13F portfolio, value $138,249,193.
13F-HR 0001386060-26-000035 filed by Boston Partners
Filed (acceptance time not in the bulk data set), ingested- Boston Partners: 629,240 shares
- Boston Trust Walden Corp: 447,062 shares
Acceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 1,094,960 sharesChange vs previous 13F -39,380 shares
0.12% of the 13F portfolio, value $132,020,519.
13F-HR 0001386060-26-000017 filed by Boston Partners
Filed (acceptance time not in the bulk data set), ingested- Boston Partners: 641,766 shares
- Boston Trust Walden Corp: 453,194 shares
Acceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 1,134,340 sharesChange vs previous 13F -48,723 shares
0.11% of the 13F portfolio, value $119,424,216.
13F-HR 0001386060-26-000014 filed by Boston Partners
Filed (acceptance time not in the bulk data set), ingested- Boston Partners: 668,722 shares
- Boston Trust Walden Corp: 465,618 shares
Acceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 1,183,063 sharesChange vs previous 13F -221,663 shares
0.09% of the 13F portfolio, value $99,313,971.
13F-HR 0001386060-25-000020 filed by Boston Partners
Filed (acceptance time not in the bulk data set), ingested- Boston Partners: 702,882 shares
- Boston Trust Walden Corp: 480,181 shares
Acceptance time not in the bulk data set (spec §4.2).
- period ended2025-06-3013F/A 1,404,726 sharesChange vs previous 13F +28,415 shares
0.11% of the 13F portfolio, value $111,210,756.
13F-HR/A 0001085146-25-004915 filed by Boston Partners
Filed (acceptance time not in the bulk data set), ingested- Boston Partners: 763,993 shares
- Boston Trust Walden Corp: 640,733 shares
Acceptance time not in the bulk data set (spec §4.2).
- period ended2025-03-3113F 1,376,311 sharesChange vs previous 13F -34,105 shares
0.13% of the 13F portfolio, value $123,492,208.
13F-HR 0001085146-25-002987 filed by Boston Partners
Filed (acceptance time not in the bulk data set), ingested- Boston Partners: 773,135 shares
- Boston Trust Walden Corp: 603,176 shares
Acceptance time not in the bulk data set (spec §4.2).
- period ended2024-12-3113F 1,410,416 sharesChange vs previous 13F -438,268 shares
0.15% of the 13F portfolio, value $140,289,028.
13F-HR 0001085146-25-000961 filed by Boston Partners
Filed (acceptance time not in the bulk data set), ingested- Boston Partners: 776,793 shares
- Boston Trust Walden Corp: 633,623 shares
Acceptance time not in the bulk data set (spec §4.2).
- period ended2024-09-3013F 1,848,684 sharesChange vs previous 13F not available
0.21% of the 13F portfolio, value $209,872,476.
13F-HR 0001085146-24-005518 filed by Boston Partners
Filed (acceptance time not in the bulk data set), ingested- Boston Partners: 1,213,160 shares
- Boston Trust Walden Corp: 635,524 shares
Acceptance time not in the bulk data set (spec §4.2).