RA CAPITAL MANAGEMENT, L.P.: GERN position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of RA CAPITAL MANAGEMENT, L.P. on GERN, newest first. How the timeline and the estimate are built.
RA CAPITAL MANAGEMENT, L.P. held 42,809,751 GERN shares at 2026-06-30 per its 13F-HR filed 2026-08-14.
the latest 13F is the newest step
- period ended2026-06-3013F 42,809,751 sharesChange vs previous 13F -20,961,615 shares
0.48% of the 13F portfolio, value $54,796,481.
13F-HR 0001104659-26-097251 filed by RA CAPITAL MANAGEMENT, L.P.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 63,771,366 sharesChange vs previous 13F 0 shares
1.01% of the 13F portfolio, value $95,019,335.
13F-HR 0001104659-26-062637 filed by RA CAPITAL MANAGEMENT, L.P.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 63,771,366 sharesChange vs previous 13F +3,392,000 shares
0.86% of the 13F portfolio, value $84,178,203.
13F-HR 0001104659-26-016482 filed by RA CAPITAL MANAGEMENT, L.P.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 60,379,366 sharesChange vs previous 13F 0 shares
1.02% of the 13F portfolio, value $82,719,731.
13F-HR 0001104659-25-112469 filed by RA CAPITAL MANAGEMENT, L.P.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-06-3013F 60,379,366 sharesChange vs previous 13F 0 shares
1.43% of the 13F portfolio, value $85,134,906.
13F-HR 0001104659-25-078691 filed by RA CAPITAL MANAGEMENT, L.P.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-03-3113F 60,379,366 sharesChange vs previous 13F +30,369,830 shares
1.6% of the 13F portfolio, value $96,003,192.
13F-HR 0001104659-25-049549 filed by RA CAPITAL MANAGEMENT, L.P.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-12-3113F 30,009,536 sharesChange vs previous 13F -2,276,219 shares
1.41% of the 13F portfolio, value $106,233,757.
13F-HR 0001104659-25-014181 filed by RA CAPITAL MANAGEMENT, L.P.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-09-3013F 32,285,755 sharesChange vs previous 13F not available
1.69% of the 13F portfolio, value $146,577,328.
13F-HR 0001104659-24-119034 filed by RA CAPITAL MANAGEMENT, L.P.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).