MPM BIOIMPACT LLC: DYN position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of MPM BIOIMPACT LLC on DYN, newest first. How the timeline and the estimate are built.
MPM BIOIMPACT LLC held 1,922,093 DYN shares at 2026-06-30 per its 13F-HR filed 2026-08-14.
the latest 13F is the newest step
- period ended2026-06-3013F 1,922,093 sharesChange vs previous 13F +513,941 shares
2.6% of the 13F portfolio, value $42,689,686.
13F-HR 0001193125-26-352199 filed by MPM BIOIMPACT 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 1,408,152 sharesChange vs previous 13F +2,764 shares
1.97% of the 13F portfolio, value $25,529,796.
13F-HR 0001193125-26-226995 filed by MPM BIOIMPACT 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 1,405,388 sharesChange vs previous 13F -40,973 shares
3.15% of the 13F portfolio, value $27,489,389.
13F-HR 0001193125-26-054813 filed by MPM BIOIMPACT 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 1,446,361 sharesChange vs previous 13F 0 shares
3% of the 13F portfolio, value $18,296,467.
13F-HR 0001193125-25-283112 filed by MPM BIOIMPACT 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 1,446,361 sharesChange vs previous 13F not available
2.39% of the 13F portfolio, value $13,769,357.
13F-HR 0000950123-25-008431 filed by MPM BIOIMPACT LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).