WASATCH ADVISORS LP: MLAB position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of WASATCH ADVISORS LP on MLAB, newest first. How the timeline and the estimate are built.

WASATCH ADVISORS LP held 115,668 MLAB shares at 2026-06-30 per its 13F-HR filed 2026-07-10, and reported 387,129 shares, 6.9%, in a 13G filed 2026-10-09.

Estimated current stake: 387,129 shares, 6.9% of the class

Estimated from 13G of 2026-10-09. As of 2026-09-30, 13G 0000814133-26-000124.

Shares are the reporting group's aggregate and may include entities that do not file a 13F.

Percent of portfolio stays on the 13F for 2026-06-30.

event date2026-09-30
13G 387,129 shares
Share basis changed not comparable
6.9% of the class. Different basis (group aggregate from 13G).
13G 0000814133-26-000124 filed by WASATCH ADVISORS LP
Accepted 2026-10-09 19:46:38 UTC, ingested 2026-10-09 19:47:05 UTC
A 13D/G states the aggregate of its reporting persons, which may include entities that do not file a 13F.
period ended2026-06-30
13F 115,668 shares
Change vs previous 13F +64,435 shares
0.08% of the 13F portfolio, value $11,514,749.
13F-HR 0000814133-26-000075 filed by WASATCH ADVISORS LP
Filed 2026-07-10 (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 51,233 shares
Change vs previous 13F not available
0.03% of the 13F portfolio, value $4,530,022.
13F-HR 0000814133-26-000038 filed by WASATCH ADVISORS LP
Filed 2026-04-21 (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).