MPM BIOIMPACT LLC: RLAY position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of MPM BIOIMPACT LLC on RLAY, newest first. How the timeline and the estimate are built.
MPM BIOIMPACT LLC held 2,415,672 RLAY shares at 2026-06-30 per its 13F-HR filed 2026-08-14.
the latest 13F is the newest step
- period ended2026-06-3013F 2,415,672 sharesChange vs previous 13F +56,086 shares
2.76% of the 13F portfolio, value $45,197,223.
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 2,359,586 sharesChange vs previous 13F +127,135 shares
1.81% of the 13F portfolio, value $23,477,881.
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 2,232,451 sharesChange vs previous 13F -50,229 shares
2.16% of the 13F portfolio, value $18,886,535.
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 2,282,680 sharesChange vs previous 13F 0 shares
1.95% of the 13F portfolio, value $11,915,590.
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 2,282,680 sharesChange vs previous 13F -13,244 shares
1.37% of the 13F portfolio, value $7,898,073.
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).
- period ended2025-03-3113F 2,295,924 sharesChange vs previous 13F +27,099 shares
1.03% of the 13F portfolio, value $6,015,321.
13F-HR 0000950123-25-005756 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 ended2024-12-3113F 2,268,825 sharesChange vs previous 13F +235,784 shares
1.33% of the 13F portfolio, value $9,347,559.
13F-HR 0000950123-25-002794 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 ended2024-09-3013F 2,033,041 sharesChange vs previous 13F not available
2.16% of the 13F portfolio, value $14,393,930.
13F-HR 0000950123-24-011026 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).