Natixis Investment Managers: BSX position timeline

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

Natixis Investment Managers held 4,623,057 BSX 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 4,623,057 shares
Change vs previous 13F -84,384 shares
0.16% of the 13F portfolio, value $197,311,793.
13F-HR 0001172661-26-003465 filed by Mirova US LLC
Filed 2026-08-14 (acceptance time not in the bulk data set), ingested 2026-10-06 09:57:27 UTC
- NATIXIS ADVISORS, LLC: 1,325,522 shares
- NATIXIS: 168,036 shares
- MIROVA: 28,021 shares
- Mirova US LLC: 3,101,478 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2026-03-31
13F 4,707,441 shares
Change vs previous 13F +556,485 shares
0.27% of the 13F portfolio, value $295,392,162.
13F-HR 0001172661-26-001659 filed by Mirova US LLC
Filed 2026-05-11 (acceptance time not in the bulk data set), ingested 2026-10-06 09:58:43 UTC
- NATIXIS ADVISORS, LLC: 1,868,044 shares
- NATIXIS: 540,063 shares
- MIROVA: 95,933 shares
- Mirova US LLC: 2,203,401 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-12-31
13F 4,150,956 shares
Change vs previous 13F +1,078,329 shares
0.37% of the 13F portfolio, value $395,792,831.
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: 2,208,640 shares
- NATIXIS: 554,011 shares
- MIROVA: 18,276 shares
- Mirova US LLC: 1,370,029 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-09-30
13F 3,072,627 shares
Change vs previous 13F +57,486 shares
0.34% of the 13F portfolio, value $299,981,107.
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: 2,506,765 shares
- NATIXIS: 545,668 shares
- MIROVA: 20,194 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-06-30
13F 3,015,141 shares
Change vs previous 13F +273,905 shares
0.39% of the 13F portfolio, value $323,857,175.
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: 2,504,861 shares
- NATIXIS: 490,086 shares
- MIROVA: 20,194 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-03-31
13F/A 2,741,236 shares
Change vs previous 13F +157,051 shares
0.39% of the 13F portfolio, value $276,182,348.
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: 2,166,415 shares
- NATIXIS: 552,491 shares
- MIROVA: 22,330 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2024-12-31
13F 2,584,185 shares
Change vs previous 13F +74,609 shares
0.34% of the 13F portfolio, value $230,819,641.
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: 2,030,069 shares
- NATIXIS: 529,014 shares
- MIROVA: 25,102 shares
Acceptance time not in the bulk data set (spec §4.2).
period ended2024-09-30
13F 2,509,576 shares
Change vs previous 13F not available
0.31% of the 13F portfolio, value $210,302,009.
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: 1,845,805 shares
- NATIXIS: 636,008 shares
- MIROVA: 27,763 shares
Acceptance time not in the bulk data set (spec §4.2).