Stockbridge Partners LLC: MLM position timeline

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

Stockbridge Partners LLC held 42,450 MLM 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 42,450 shares
Change vs previous 13F +10,237 shares
0.52% of the 13F portfolio, value $24,480,915.
13F-HR 0000919574-26-005193 filed by Stockbridge Partners 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 32,213 shares
Change vs previous 13F not available
0.46% of the 13F portfolio, value $18,963,149.
13F-HR 0000919574-26-003151 filed by Stockbridge Partners 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).