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RA CAPITAL MANAGEMENT, L.P.

Q2 2026 13F filing

Updated 27 days ago

85 disclosed positions worth $11.5B

Portfolio value
$11.5B
Total holdings
85
New positions
17
Closed positions
18
Increased
10
Decreased
10
Turnover
41.2%
Filed
2026-08-14

Full holdings

Every line item disclosed in Q2 2026

A

ASCENDIS PHARMA A/S

Value
$2.7B
Shares
10.28M
% Port
23.83%
P

PARABILIS MEDICINES INC

Value
$791.9M
Shares
28.93M
% Port
6.88%
R

RHYTHM PHARMACEUTICALS INC

Unchanged
Value
$740.2M
Shares
6.67M
% Port
6.43%
P

VAXCYTE INC

Unchanged
Value
$667M
Shares
11.47M
% Port
5.80%
S

SIONNA THERAPEUTICS INC

Unchanged
Value
$435.7M
Shares
9.91M
% Port
3.79%
T

TYRA BIOSCIENCES INC

Unchanged
Value
$389.6M
Shares
12.20M
% Port
3.39%
E

EDGEWISE THERAPEUTICS INC

-19.5%
Value
$341M
Shares
8.39M
% Port
2.96%
N

NEWAMSTERDAM PHARMA CO NV

Unchanged
Value
$323.7M
Shares
9.55M
% Port
2.81%
C

HEMAB THERAPEUTICS HOLDINGS

Value
$286.8M
Shares
7.81M
% Port
2.49%
S
10.SEPN

SEPTERNA INC

Unchanged
Value
$234.3M
Shares
7.00M
% Port
2.04%
B
11.BCAX

BICARA THERAPEUTICS INC

Unchanged
Value
$215.4M
Shares
7.26M
% Port
1.87%
M
12.MLYS

MINERALYS THERAPEUTICS INC

Unchanged
Value
$207.6M
Shares
7.69M
% Port
1.80%
G
13.GHRS

GH RESEARCH PLC

-0.5%
Value
$205.3M
Shares
7.64M
% Port
1.78%
I
14.IRON

DISC MEDICINE INC

Unchanged
Value
$179.2M
Shares
2.45M
% Port
1.56%
S
15.SGP

SPYGLASS PHARMA INC

Unchanged
Value
$178.6M
Shares
8.02M
% Port
1.55%
?
16.N/A

ARTIVA BIOTHERAPEUTICS INC

+82.2%
Value
$174.2M
Shares
17.96M
% Port
1.51%
J
17.JANX

JANUX THERAPEUTICS INC

Unchanged
Value
$171.9M
Shares
11.19M
% Port
1.49%
T
18.TSHA

TAYSHA GENE THERAPIES INC

Unchanged
Value
$160.4M
Shares
23.56M
% Port
1.39%
B
19.BCRX

BIOCRYST PHARMACEUTICALS INC

Unchanged
Value
$158.3M
Shares
15.83M
% Port
1.38%
W
20.WVE

WAVE LIFE SCIENCES LTD

Unchanged
Value
$156.7M
Shares
26.98M
% Port
1.36%
?
21.N/A

NUVALENT INC-A

-50.8%
Value
$153.9M
Shares
1.25M
% Port
1.34%
A

ABIVAX SA-ADR

Value
$150.9M
Shares
1.13M
% Port
1.31%
O
23.ORKA

ORUKA THERAPEUTICS INC

Value
$148M
Shares
1.55M
% Port
1.29%
S
24.SLDB

SOLID BIOSCIENCES INC

+28.9%
Value
$120.2M
Shares
12.04M
% Port
1.04%
?
25.N/A

CLIMB BIO INC

+255.7%
Value
$115M
Shares
8.82M
% Port
1.00%
Z
26.ZLAB

ZAI LAB LTD-ADR

+0.6%
Value
$109.1M
Shares
5.74M
% Port
0.95%
S
27.SVM

ARS PHARMACEUTICALS INC

Unchanged
Value
$87M
Shares
10.86M
% Port
0.76%
X
28.XNCR

XENCOR INC

+7.7%
Value
$84.9M
Shares
5.27M
% Port
0.74%
J
29.JBIO

JADE BIOSCIENCES INC

Unchanged
Value
$81.6M
Shares
3.67M
% Port
0.71%
N
30.NTLA

INTELLIA THERAPEUTICS INC

Value
$76.6M
Shares
4.53M
% Port
0.67%
L
31.LBRX

LB PHARMACEUTICALS INC

Unchanged
Value
$71.7M
Shares
2.21M
% Port
0.62%
D
32.DFTX

DEFINIUM THERAPEUTICS INC

Value
$70.6M
Shares
1.50M
% Port
0.61%
A
33.ACRS

ACLARIS THERAPEUTICS INC

+87.0%
Value
$67.3M
Shares
12.72M
% Port
0.58%
F
34.FDMT

4D MOLECULAR THERAPEUTICS IN

Unchanged
Value
$67.2M
Shares
5.05M
% Port
0.58%
S
35.SANA

SANA BIOTECHNOLOGY INC

Value
$65.4M
Shares
18.75M
% Port
0.57%
?
36.N/A

DAMORA THERAPEUTICS INC

+0.0%
Value
$62.4M
Shares
2.40M
% Port
0.54%
M
37.MNPR

MONOPAR THERAPEUTICS INC

Unchanged
Value
$61.8M
Shares
667.2K
% Port
0.54%
?
38.N/A

ACUMEN PHARMACEUTICALS INC

Unchanged
Value
$56.1M
Shares
20.99M
% Port
0.49%
G
39.GERN

GERON CORP

-32.9%
Value
$54.8M
Shares
42.81M
% Port
0.48%
R
40.RZLT

REZOLUTE INC

+2.9%
Value
$49.1M
Shares
9.45M
% Port
0.43%
E
41.EVMN

EVOMMUNE INC

Unchanged
Value
$46.4M
Shares
3.49M
% Port
0.40%
V
42.VOR

VOR BIOPHARMA INC

-55.6%
Value
$44.2M
Shares
2.40M
% Port
0.38%
C
43.CRNC

CENTURY THERAPEUTICS INC

Unchanged
Value
$43.5M
Shares
17.75M
% Port
0.38%
A
44.AKTS

AKTIS ONCOLOGY INC

-12.6%
Value
$42.4M
Shares
1.31M
% Port
0.37%
?
45.N/A

BIOAGE LABS INC

+1.3%
Value
$41M
Shares
1.67M
% Port
0.36%
B
46.BEPC

C4 THERAPEUTICS INC

Unchanged
Value
$37.4M
Shares
8.00M
% Port
0.32%
M
47.MIRM

MIRUM PHARMACEUTICALS INC

Unchanged
Value
$37.3M
Shares
318.6K
% Port
0.32%
C
48.CAPR

CAPRICOR THERAPEUTICS INC

Unchanged
Value
$36.3M
Shares
1.51M
% Port
0.32%
P
49.PEPG

PEPGEN INC

Unchanged
Value
$36.1M
Shares
20.06M
% Port
0.31%
P
50.PRLD

PRELUDE THERAPEUTICS INC

Value
$34.5M
Shares
6.48M
% Port
0.30%