KIRR MARBACH & CO LLC /IN/: BCO position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of KIRR MARBACH & CO LLC /IN/ on BCO, newest first. How the timeline and the estimate are built.

KIRR MARBACH & CO LLC /IN/ held 96,288 BCO shares at 2026-06-30 per its 13F-HR filed 2026-07-14.

the latest 13F is the newest step

period ended2026-06-30
13F 96,288 shares
Change vs previous 13F -64 shares
1.53% of the 13F portfolio, value $9,098,254.
13F-HR 0000764112-26-000003 filed by KIRR MARBACH & CO LLC /IN/
Filed 2026-07-14 (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 96,352 shares
Change vs previous 13F +1,480 shares
1.82% of the 13F portfolio, value $9,984,958.
13F-HR 0000764112-26-000002 filed by KIRR MARBACH & CO LLC /IN/
Filed 2026-04-17 (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).
period ended2025-12-31
13F 94,872 shares
Change vs previous 13F -227 shares
2.12% of the 13F portfolio, value $11,074,409.
13F-HR 0000764112-26-000001 filed by KIRR MARBACH & CO LLC /IN/
Filed 2026-01-26 (acceptance time not in the bulk data set), ingested 2026-10-07 03:01:36 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-09-30
13F 95,099 shares
Change vs previous 13F -288 shares
2.01% of the 13F portfolio, value $11,113,270.
13F-HR 0000764112-25-000007 filed by KIRR MARBACH & CO LLC /IN/
Filed 2025-10-14 (acceptance time not in the bulk data set), ingested 2026-10-07 03:02:25 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-06-30
13F 95,387 shares
Change vs previous 13F +602 shares
1.68% of the 13F portfolio, value $8,517,106.
13F-HR 0000764112-25-000003 filed by KIRR MARBACH & CO LLC /IN/
Filed 2025-07-16 (acceptance time not in the bulk data set), ingested 2026-10-07 18:23:11 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-03-31
13F 94,785 shares
Change vs previous 13F +1,442 shares
1.89% of the 13F portfolio, value $8,166,676.
13F-HR 0000764112-25-000002 filed by KIRR MARBACH & CO LLC /IN/
Filed 2025-04-23 (acceptance time not in the bulk data set), ingested 2026-10-07 18:25:06 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2024-12-31
13F 93,343 shares
Change vs previous 13F -320 shares
1.87% of the 13F portfolio, value $8,659,431.
13F-HR 0000764112-25-000001 filed by KIRR MARBACH & CO LLC /IN/
Filed 2025-01-23 (acceptance time not in the bulk data set), ingested 2026-10-07 18:25:55 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2024-09-30
13F 93,663 shares
Change vs previous 13F not available
2.42% of the 13F portfolio, value $10,831,190.
13F-HR 0000764112-24-000007 filed by KIRR MARBACH & CO LLC /IN/
Filed 2024-10-17 (acceptance time not in the bulk data set), ingested 2026-10-07 18:26:56 UTC
Acceptance time not in the bulk data set (spec §4.2).