COLUMBUS CIRCLE INVESTORS: MKSI position timeline

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

COLUMBUS CIRCLE INVESTORS held 93,384 MKSI shares at 2020-12-31 per its 13F-HR filed 2021-01-20.

the latest 13F is the newest step

period ended2020-12-31
13F 93,384 shares
Change vs previous 13F -77,117 shares
0.62% of the 13F portfolio, value $14,050,000.
13F-HR 0001085146-21-000176 filed by COLUMBUS CIRCLE INVESTORS
Filed 2021-01-20 (acceptance time not in the bulk data set), ingested 2026-10-07 18:42:52 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2020-09-30
13F 170,501 shares
Change vs previous 13F +8,072 shares
0.81% of the 13F portfolio, value $18,624,000.
13F-HR 0001085146-20-002680 filed by COLUMBUS CIRCLE INVESTORS
Filed 2020-10-27 (acceptance time not in the bulk data set), ingested 2026-10-07 18:48:21 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2020-06-30
13F 162,429 shares
Change vs previous 13F -55,905 shares
0.74% of the 13F portfolio, value $18,393,000.
13F-HR 0001085146-20-001889 filed by COLUMBUS CIRCLE INVESTORS
Filed 2020-07-27 (acceptance time not in the bulk data set), ingested 2026-10-07 18:52:28 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2020-03-31
13F 218,334 shares
Change vs previous 13F +68,493 shares
0.98% of the 13F portfolio, value $17,783,000.
13F-HR 0001085146-20-001233 filed by COLUMBUS CIRCLE INVESTORS
Filed 2020-04-28 (acceptance time not in the bulk data set), ingested 2026-10-07 18:53:21 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2019-12-31
13F 149,841 shares
Change vs previous 13F not available
0.71% of the 13F portfolio, value $16,484,000.
13F-HR 0001085146-20-000288 filed by COLUMBUS CIRCLE INVESTORS
Filed 2020-01-24 (acceptance time not in the bulk data set), ingested 2026-10-07 18:54:20 UTC
Acceptance time not in the bulk data set (spec §4.2).