BRIGHT ROCK CAPITAL MANAGEMENT, LLC: ECL position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BRIGHT ROCK CAPITAL MANAGEMENT, LLC on ECL, newest first. How the timeline and the estimate are built.
BRIGHT ROCK CAPITAL MANAGEMENT, LLC held 18,000 ECL shares at 2026-09-30 per its 13F-HR filed 2026-10-05.
the latest 13F is the newest step
- period ended2026-09-3013F 18,000 sharesChange vs previous 13F 0 shares
0.93% of the 13F portfolio, value $4,942,440.
13F-HR 0001509973-26-000004 filed by BRIGHT ROCK CAPITAL MANAGEMENT, LLC
Accepted , ingested - period ended2026-06-3013F 18,000 sharesChange vs previous 13F 0 shares
1% of the 13F portfolio, value $5,014,980.
13F-HR 0001509973-26-000003 filed by BRIGHT ROCK CAPITAL MANAGEMENT, LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 18,000 sharesChange vs previous 13F 0 shares
0.95% of the 13F portfolio, value $4,788,360.
13F-HR 0001509973-26-000002 filed by BRIGHT ROCK CAPITAL MANAGEMENT, LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 18,000 sharesChange vs previous 13F 0 shares
0.93% of the 13F portfolio, value $4,725,360.
13F-HR 0001509973-26-000001 filed by BRIGHT ROCK CAPITAL MANAGEMENT, LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 18,000 sharesChange vs previous 13F 0 shares
0.97% of the 13F portfolio, value $4,929,480.
13F-HR 0001509973-25-000005 filed by BRIGHT ROCK CAPITAL MANAGEMENT, LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-06-3013F 18,000 sharesChange vs previous 13F 0 shares
0.98% of the 13F portfolio, value $4,849,920.
13F-HR 0001509973-25-000004 filed by BRIGHT ROCK CAPITAL MANAGEMENT, LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-03-3113F 18,000 sharesChange vs previous 13F 0 shares
0.96% of the 13F portfolio, value $4,563,360.
13F-HR 0001509973-25-000002 filed by BRIGHT ROCK CAPITAL MANAGEMENT, LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-12-3113F 18,000 sharesChange vs previous 13F not available
0.9% of the 13F portfolio, value $4,217,760.
13F-HR 0001509973-25-000001 filed by BRIGHT ROCK CAPITAL MANAGEMENT, LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).