SAMLYN CAPITAL, LLC: MKSI position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of SAMLYN CAPITAL, LLC on MKSI, newest first. How the timeline and the estimate are built.

SAMLYN CAPITAL, LLC held 281,893 MKSI 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 281,893 shares
Change vs previous 13F -214,792 shares
2.08% of the 13F portfolio, value $125,386,007.
13F-HR 0000919574-26-005397 filed by SAMLYN CAPITAL, LLC
Filed 2026-08-14 (acceptance time not in the bulk data set), ingested 2026-10-06 09:57:27 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2026-03-31
13F 496,685 shares
Change vs previous 13F not available
1.96% of the 13F portfolio, value $114,143,180.
13F-HR 0000919574-26-003334 filed by SAMLYN CAPITAL, LLC
Filed 2026-05-15 (acceptance time not in the bulk data set), ingested 2026-10-06 09:58:43 UTC
Acceptance time not in the bulk data set (spec §4.2).