SAMLYN CAPITAL, LLC: BLK position timeline

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

SAMLYN CAPITAL, LLC held 209,195 BLK 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 209,195 shares
Change vs previous 13F +56,640 shares
3.33% of the 13F portfolio, value $201,153,545.
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 152,555 shares
Change vs previous 13F not available
2.52% of the 13F portfolio, value $146,713,668.
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).