Natixis Investment Managers: MRK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Natixis Investment Managers on MRK, newest first. How the timeline and the estimate are built.

Natixis Investment Managers held 3,282,365 MRK shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

period ended2026-06-30
13F 3,282,365 shares
Change vs previous 13F -241,679 shares
0.37% of the 13F portfolio, value $421,782,705.
13F-HR 0001018331-26-000006 filed by NATIXIS ADVISORS, LLC
Filed 2026-08-14 (acceptance time not in the bulk data set), ingested 2026-10-06 09:57:27 UTC
- NATIXIS ADVISORS, LLC: 2,857,628 shares
- NATIXIS: 280,187 shares
- MIROVA: 144,550 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2026-03-31
13F 3,524,044 shares
Change vs previous 13F +687,695 shares
0.43% of the 13F portfolio, value $423,907,068.
13F-HR 0001018331-26-000004 filed by NATIXIS ADVISORS, LLC
Filed 2026-05-13 (acceptance time not in the bulk data set), ingested 2026-10-06 09:58:43 UTC
- NATIXIS ADVISORS, LLC: 2,970,290 shares
- NATIXIS: 510,056 shares
- MIROVA: 43,698 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-12-31
13F 2,836,349 shares
Change vs previous 13F -343,220 shares
0.31% of the 13F portfolio, value $298,554,341.
13F-HR 0001018331-26-000002 filed by NATIXIS ADVISORS, LLC
Filed 2026-02-10 (acceptance time not in the bulk data set), ingested 2026-10-07 03:01:36 UTC
- NATIXIS ADVISORS, LLC: 2,527,577 shares
- NATIXIS: 308,772 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-09-30
13F 3,179,569 shares
Change vs previous 13F +639,433 shares
0.31% of the 13F portfolio, value $266,862,195.
13F-HR 0001018331-25-000009 filed by NATIXIS ADVISORS, LLC
Filed 2025-11-13 (acceptance time not in the bulk data set), ingested 2026-10-07 03:02:25 UTC
- NATIXIS ADVISORS, LLC: 2,310,247 shares
- NATIXIS: 869,322 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-06-30
13F 2,540,136 shares
Change vs previous 13F -379,849 shares
0.24% of the 13F portfolio, value $201,076,460.
13F-HR 0001018331-25-000006 filed by NATIXIS ADVISORS, LLC
Filed 2025-08-13 (acceptance time not in the bulk data set), ingested 2026-10-07 18:23:11 UTC
- NATIXIS ADVISORS, LLC: 1,939,208 shares
- NATIXIS: 600,928 shares
- MIROVA: 0 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-03-31
13F/A 2,919,985 shares
Change vs previous 13F +927,891 shares
0.36% of the 13F portfolio, value $261,356,381.
13F-HR 0001018331-25-000004 filed by NATIXIS ADVISORS, LLC
Filed 2025-05-08 (acceptance time not in the bulk data set), ingested 2026-10-07 18:25:06 UTC
- NATIXIS ADVISORS, LLC: 1,463,652 shares
- NATIXIS: 1,453,078 shares
- MIROVA: 3,255 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2024-12-31
13F 1,992,094 shares
Change vs previous 13F +436,481 shares
0.29% of the 13F portfolio, value $198,173,502.
13F-HR 0001018331-25-000002 filed by NATIXIS ADVISORS, LLC
Filed 2025-02-10 (acceptance time not in the bulk data set), ingested 2026-10-07 18:25:55 UTC
- NATIXIS ADVISORS, LLC: 1,639,214 shares
- NATIXIS: 349,625 shares
- MIROVA: 3,255 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2024-09-30
13F 1,555,613 shares
Change vs previous 13F not available
0.26% of the 13F portfolio, value $176,655,981.
13F-HR 0001018331-24-000009 filed by NATIXIS ADVISORS, LLC
Filed 2024-11-06 (acceptance time not in the bulk data set), ingested 2026-10-07 18:26:56 UTC
- NATIXIS ADVISORS, LLC: 1,231,846 shares
- NATIXIS: 316,780 shares
- MIROVA: 6,987 shares
Acceptance time not in the bulk data set (spec §4.2).