RA CAPITAL MANAGEMENT L.P. - 13D/13G Filings

Real time Form 13D and 13G transaction reports:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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Reported
DateTime
Transaction
Date
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportView
2026-03-11
4:43 pm
Purchase
2026-03-0913DSAB Biotherapeutics, Inc.
SABS
RA CAPITAL MANAGEMENT L.P.5,166,424
9.900%
764,924increase
(+17.38%)
Filing
History
2026-03-10
4:38 pm
Purchase
2026-03-0613DSolid Biosciences Inc.
SLDB
RA CAPITAL MANAGEMENT L.P.9,663,926
9.900%
1,666,416increase
(+20.84%)
Filing
History
2026-03-06
4:28 pm
Purchase
2026-03-0413DTyra Biosciences, Inc.
TYRA
RA CAPITAL MANAGEMENT L.P.12,266,575
21.200%
366,787increase
(+3.08%)
Filing
History
2026-03-02
4:25 pm
Purchase
2026-02-2613DBicara Therapeutics Inc. Common Stock
BCAX
RA CAPITAL MANAGEMENT L.P.7,279,739
11.500%
323,746increase
(+4.65%)
Filing
History
2026-02-17
7:28 pm
Purchase
2026-02-1213DEvommune, Inc.
EVMN
RA CAPITAL MANAGEMENT L.P.3,494,638
9.700%
35,868increase
(+1.04%)
Filing
History
2026-02-17
7:21 pm
Purchase
2026-02-0913DSpyGlass Pharma, Inc. Common Stock
SGP
RA CAPITAL MANAGEMENT L.P.8,022,639
24.100%
8,022,639increase
(New Position)
Filing
History
2026-02-17
4:45 pm
Purchase
2025-12-3113GUnicycive Therapeutics, Inc.
UNCY
RA CAPITAL MANAGEMENT L.P.2,385,279
9.900%
425,049increase
(+21.68%)
Filing
History
2026-02-17
4:43 pm
Purchase
2025-12-3113GSurrozen, Inc.
SRZN
RA CAPITAL MANAGEMENT L.P.871,731
9.200%
4,313increase
(+0.50%)
Filing
History
2026-02-17
4:41 pm
Purchase
2025-12-3113GRhythm Pharmaceuticals, Inc.
RYTM
RA CAPITAL MANAGEMENT L.P.6,666,837
9.900%
1,105,478increase
(+19.88%)
Filing
History
2026-02-17
4:39 pm
Purchase
2025-12-3113GPalisade Bio, Inc.
PALI
RA CAPITAL MANAGEMENT L.P.15,746,829
9.900%
5,811,068increase
(+58.49%)
Filing
History
2026-02-17
4:37 pm
Sale
2025-12-3113GMonopar Therapeutics Inc.
MNPR
RA CAPITAL MANAGEMENT L.P.667,632
9.900%
-75,229decrease
(-10.13%)
Filing
History
2026-02-17
4:35 pm
Purchase
2025-12-3113GLB Pharmaceuticals Inc Common Stock
LBRX
RA CAPITAL MANAGEMENT L.P.2,208,604
8.700%
533,604increase
(+31.86%)
Filing
History
2026-02-17
4:33 pm
Sale
2025-12-3113GLarimar Therapeutics, Inc.
LRMR
RA CAPITAL MANAGEMENT L.P.0
0.000%
-6,045,351decrease
(Position Closed)
Filing
History
2026-02-17
4:31 pm
Purchase
2025-12-3113GInvivyd, Inc.
IVVD
RA CAPITAL MANAGEMENT L.P.28,857,208
9.900%
7,518,920increase
(+35.24%)
Filing
History
2026-02-17
4:29 pm
Purchase
2025-12-3113GFulcrum Therapeutics, Inc.
FULC
RA CAPITAL MANAGEMENT L.P.6,649,973
9.900%
596,013increase
(+9.85%)
Filing
History
2026-02-17
4:27 pm
Sale
2025-12-3113GEledon Pharmaceuticals, Inc.
ELDN
RA CAPITAL MANAGEMENT L.P.0
0.000%
-3,566,338decrease
(Position Closed)
Filing
History
2026-02-17
4:25 pm
Sale
2025-12-3113GDianthus Therapeutics, Inc.
DNTH
RA CAPITAL MANAGEMENT L.P.2,611,733
6.000%
-1,255,000decrease
(-32.46%)
Filing
History
2026-02-17
4:23 pm
Purchase
2025-12-3113GContineum Therapeutics, Inc. Class A Common Stock
CTNM
RA CAPITAL MANAGEMENT L.P.2,179,711
7.200%
57,711increase
(+2.72%)
Filing
History
2026-02-17
4:21 pm
Purchase
2025-12-3113GAvalo Therapeutics, Inc.
AVTX
RA CAPITAL MANAGEMENT L.P.1,939,065
9.900%
552,898increase
(+39.89%)
Filing
History
2026-02-17
4:19 pm
Sale
2025-12-3113GArcellx, Inc.
ACLX
RA CAPITAL MANAGEMENT L.P.1,267,156
2.200%
-1,520,171decrease
(-54.54%)
Filing
History
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