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FILER PROFILE · CIK 0001346824

RA CAPITAL MANAGEMENT, L.P.

67 filings 30 distinct issuers Active 2018-01-192026-06-15

Track Record

Total filings
67
3 SCHEDULE 13D/A · 2 SCHEDULE 13G · 18 SCHEDULE · 44 SC
Distinct issuers
30
45% issuer diversity
Median stake
15.28%
9,332,660 avg shares
AI briefs cached
0/67
intent-classified filings

Backtested Performance · post-filing returns (split + dividend adjusted)

Median 30d
across 0 filings · win rate —
Median 60d
across 0 filings · win rate —
Median 90d
across 0 filings · win rate —
Median 1y
across 0 filings · win rate —

Anchor: closest trading day on/after filing's date_of_event. Source: Yahoo Finance daily adj_close. Past performance is not indicative of future results.

Filings · 67 total

FiledFormIssuerStakeSharesIntent
2026-06-15 SCHEDULE 13D/A ARTIVA BIOTHERAPEUTICS, INC.ARTV 36.60% 17,811,623 view →
2026-06-03 SCHEDULE 13G Editas Medicine, Inc.EDIT view →
2026-05-21 SCHEDULE 13G Sana Biotechnology, Inc.SANA view →
2026-05-14 SCHEDULE 13D/A WEREWOLF THERAPEUTICS, INC.HOWL 6,116,140 view →
2026-05-13 SCHEDULE 13D/A ARTIVA BIOTHERAPEUTICS, INC.ARTV 16,377,468 view →
2026-01-09 SCHEDULE Cidara Therapeutics, Inc. view →
2025-11-07 SCHEDULE Sionna Therapeutics, Inc.SION 22.60% 10,071,712 view →
2025-11-07 SCHEDULE LENZ Therapeutics, Inc.LENZ 13.60% 4,265,106 view →
2025-11-03 SCHEDULE 89bio, Inc. view →
2025-10-01 SCHEDULE ARS Pharmaceuticals, Inc.SPRY 11.10% 10,940,977 view →
2025-09-30 SCHEDULE PepGen Inc.PEPG 29.20% 20,099,753 view →
2025-08-11 SCHEDULE Cidara Therapeutics, Inc. 13.30% 3,365,523 view →
2025-06-30 SCHEDULE Cidara Therapeutics, Inc. 15.80% 3,365,523 view →
2025-05-19 SCHEDULE iTeos Therapeutics, Inc. 4.90% 2,134,806 view →
2025-05-14 SCHEDULE iTeos Therapeutics, Inc. 9.90% 4,163,276 view →
2025-05-14 SCHEDULE Werewolf Therapeutics, Inc.HOWL 15.00% 6,746,807 view →
2025-05-09 SCHEDULE LENZ Therapeutics, Inc.LENZ 15.10% 4,260,606 view →
2025-04-30 SCHEDULE Jade Biosciences, Inc.JBIO 4.10% 1,324,954 view →
2025-03-17 SCHEDULE Mineralys Therapeutics, Inc.MLYS 9.90% 6,287,597 view →
2025-03-10 SCHEDULE Janux Therapeutics, Inc.JANX 19.90% 11,971,377 view →
2025-03-03 SCHEDULE 89bio, Inc. 13.70% 20,013,733 view →
2025-02-21 SCHEDULE Solid Biosciences Inc.SLDB 9.90% 7,989,820 view →
2025-02-03 SCHEDULE 89bio, Inc. 15.10% 20,013,733 view →
2024-10-01 SC Wave Life Sciences Ltd.WVE view →
2024-07-01 SC Eliem Therapeutics, Inc.CLYM view →
2024-06-20 SC Aerovate Therapeutics, Inc.JBIO view →
2024-03-18 SC Eliem Therapeutics, Inc.CLYM view →
2024-03-11 SC PepGen Inc.PEPG view →
2024-01-11 SC Solid Biosciences Inc.SLDB view →
2023-08-11 SC Vor Biopharma Inc.VOR view →
2023-08-11 SC 89bio, Inc. view →
2023-06-21 SC DICE Therapeutics, Inc. view →
2023-06-12 SC Satsuma Pharmaceuticals, Inc. view →
2023-05-30 SC Icosavax, Inc. view →
2022-12-05 SC Solid Biosciences Inc.SLDB view →
2022-11-14 SC Vor Biopharma Inc.VOR view →
2022-10-21 SC 89bio, Inc. view →
2022-10-04 SC Solid Biosciences Inc.SLDB view →
2022-09-26 SC POINT Biopharma Global Inc. view →
2022-09-16 SC POINT Biopharma Global Inc. view →
2022-08-12 SC Werewolf Therapeutics, Inc.HOWL view →
2022-07-06 SC 89bio, Inc. view →
2022-05-25 SC Kala Pharmaceuticals, Inc.KALA view →
2022-04-01 SC Kala Pharmaceuticals, Inc.KALA view →
2022-03-14 SC Cytek Biosciences, Inc.CTKB view →
2022-02-28 SC Cytek Biosciences, Inc.CTKB view →
2021-11-12 SC Wave Life Sciences Ltd.WVE view →
2021-09-14 SC POINT Biopharma Global Inc. view →
2021-09-13 SC Acumen Pharmaceuticals, Inc.ABOS view →
2021-08-18 SC Wave Life Sciences Ltd.WVE view →
2021-06-16 SC Werewolf Therapeutics, Inc.HOWL view →
2021-06-07 SC Connect Biopharma Holdings LtdCNTB view →
2021-06-04 SC 89bio, Inc. view →
2021-03-23 SC Solid Biosciences Inc.SLDB view →
2021-03-02 SC Satsuma Pharmaceuticals, Inc. view →
2020-12-16 SC Solid Biosciences Inc.SLDB view →
2020-10-07 SC Eidos Therapeutics, Inc. view →
2020-09-21 SC 89bio, Inc. view →
2020-07-10 SC 89bio, Inc. view →
2019-10-11 SC Ra Pharmaceuticals, Inc. view →
2019-07-30 SC Solid Biosciences Inc.SLDB view →
2019-04-24 SC KalVista Pharmaceuticals, Inc.KALV view →
2019-04-15 SC KalVista Pharmaceuticals, Inc.KALV view →
2019-01-28 SC Wave Life Sciences Ltd.WVE view →
2018-03-27 SC Dicerna Pharmaceuticals Inc view →
2018-02-16 SC Ra Pharmaceuticals, Inc. view →
2018-01-19 SC Dicerna Pharmaceuticals Inc view →

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