RA CAPITAL MANAGEMENT, L.P.RA CAPITAL MANAGEMENT, L.P.

Institutional investor · Portfolio as of Q4 2025

SEC EDGAR SourceSEC Filings

Top Holdings71 positions

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Activity:
Stock
Shares
Value
Weight
Avg Buy
Est. P&L
Held
Conviction
ASNDASND
ADR

ASCENDIS PHARMA A/S

10.3M$2.2B22.5%$95.48+119.25%
29 qtrssince 2018-Q4
Unchanged
0
CDTXCDTXDelisted

CIDARA THERAPEUTICS INC

3.4M$743.4M7.6%$38.56
6 qtrssince 2024-Q3
Unchanged
0

RHYTHM PHARMACEUTICALS INC

6.7M$713.6M7.3%$38.85+174.78%
29 qtrssince 2018-Q4
Increased
72
8.6M$623.3M6.4%$20.21
18 qtrssince 2021-Q3
Unchanged
0

VAXCYTE INC

10.7M$494.8M5.1%$49.07-7.45%
23 qtrssince 2020-Q2
Decreased
0

SIONNA THERAPEUTICS INC

9.9M$407.5M4.2%$11.56+258.04%
4 qtrssince 2025-Q1
Decreased
0

NewAmsterdam Pharma Company N.V.

9.6M$335M3.4%$14.11+146.24%
13 qtrssince 2022-Q4
Decreased
0

TYRA BIOSCIENCES INC

12.2M$320.7M3.3%$15.72+61.80%
18 qtrssince 2021-Q3
Unchanged
0

WAVE LIFE SCIENCES LTD

18.2M$309.5M3.2%$19.79-13.36%
29 qtrssince 2018-Q4
Increased
57

MINERALYS THERAPEUTICS INC

7.3M$265.8M2.7%$18.66+90.29%
12 qtrssince 2023-Q1
Unchanged
0

EDGEWISE THERAPEUTICS INC

10.4M$258.8M2.7%$17.63+39.18%
8 qtrssince 2024-Q1
Unchanged
0

Septerna, Inc.

7M$195M2.0%$23.23+19.59%
5 qtrssince 2024-Q4
Unchanged
0
NUVLNUVLDelisted

Nuvalent, Inc. Class A

1.9M$189.1M1.9%$90.08+11.44%
2 qtrssince 2025-Q3
Increased
67

DISC MEDICINE INC

2M$156.9M1.6%$57.31+34.16%
4 qtrssince 2025-Q1
Increased
59

JANUX THERAPEUTICS INC

11.2M$154.4M1.6%$27.88-50.39%
19 qtrssince 2021-Q2
Unchanged
0

PEPGEN INC

20.1M$130.6M1.3%$8.26-22.25%
15 qtrssince 2022-Q2
Unchanged
0

TAYSHA GENE THERAPIES INC

23.6M$129.6M1.3%$2.74+106.57%
10 qtrssince 2023-Q3
Unchanged
0

ARS PHARMACEUTICALS INC

10.9M$126.5M1.3%$5.93+96.38%
13 qtrssince 2022-Q4
Unchanged
0

BIOCRYST PHARMACEUTICALS INC

15.8M$123.5M1.3%$7.660.00%
1 qtr
New
69

BICARA THERAPEUTICS INC

7M$117.1M1.2%$25.44-36.64%
6 qtrssince 2024-Q3
Unchanged
0
$9.8B
AUM
71
Positions
Q4 2025
Filing
Rating · 2.0
Quarterly Portfolio Change
+15%Q3'24$8.7B-13%Q4'24$7.5B-20%Q1'25$6B-1%Q2'25$5.9B+37%Q3'25$8.1B+20%Q4'25$9.8B
Activity profile
$ moved · Q4'25
New30%Increased25%Decreased20%Exited25%
Composition
Equity vs derivatives
Equity100%Puts0%Calls0%
Holding period
Avg 2.3 years
<1Q21%1-4Q15%1-2Y18%2Y+45%

RA CAPITAL MANAGEMENT, L.P. manages $9.8B across 71 positions as of Q4 2025. Top holdings: ASND (22.5%), CDTX (7.6%), RYTM (7.3%). Fund DNA: Balanced Allocator. HoldingsIntel Rating: 2/5.0.

Q4 2025 Summary

Active quarter - 22 new positions, 18 exits, 13 increased. Top move: RYTM (INCREASED, conviction 72). Portfolio: $9.8B across 71 positions.

Top holdings by portfolio weight

Total AUM$10B
ASND22.46%
CDTX7.62%
RYTM7.31%
RNAM6.39%
PCVX5.07%
SION4.17%
NAMS3.43%
TYRA3.29%
WVE3.17%
MLYS2.72%
Other2.65%

Portfolio allocation by GICS sector

Sectors2
Healthcare99.90%
Financial Services0.10%

Behavioral investing profile

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Balanced Allocator- primarily Healthcare
Compare DNA across all funds
7-dimension quality assessment
Below Average(2.0 / 5.0)
Track RecordNo data
Conviction42
Concentration91
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Position Outcomes

Best and worst performing positions by estimated return

Cost basis estimates based on full filing history using quarter-end prices. Actual transaction prices are not disclosed in 13F filings.

Similar Funds

Funds with similar investing DNA

Accumulation Streaks

Positions with 2+ consecutive quarters of increases - persistent directional conviction.

Security
2Q
SLDBSLDBSOLID BIOSCIENCES INC
Q1 2026 Q2 2026+6.2M shares+$87.5M
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Data sourced from SEC EDGAR 13F filings. Not financial advice. Full disclaimer

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