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

Institutional investor · Portfolio as of Q2 2026

Top Holdings84 positions

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Activity:
Stock
Shares
Value
Weight
Avg Buy
Est. P&L
Held
Conviction
10.3M$2.7B23.8%$266.72-7.05%
1 qtr
New
98
28.9M$791.9M6.9%$27.37+42.89%
1 qtr
New
98

RHYTHM PHARMACEUTICALS INC

6.7M$740.2M6.4%$38.85+175.84%
31 qtrssince 2018-Q4
Unchanged
0

VAXCYTE INC

11.5M$667M5.8%$49.77+20.22%
25 qtrssince 2020-Q2
Unchanged
0

SIONNA THERAPEUTICS INC

9.9M$435.7M3.8%$11.56-49.22%
6 qtrssince 2025-Q1
Unchanged
0

TYRA BIOSCIENCES INC

12.2M$389.6M3.4%$15.72+58.62%
20 qtrssince 2021-Q3
Unchanged
0

EDGEWISE THERAPEUTICS INC

8.4M$341M3.0%$17.63+142.52%
10 qtrssince 2024-Q1
Decreased
0

NEWAMSTERDAM PHARMA COMPANY

9.6M$323.7M2.8%$14.11+83.59%
15 qtrssince 2022-Q4
Unchanged
0
7.8M$286.8M2.5%$36.73+22.08%
1 qtr
New
80

SEPTERNA INC

7M$234.3M2.0%$23.23+67.50%
7 qtrssince 2024-Q4
Unchanged
0

BICARA THERAPEUTICS INC

7.3M$215.4M1.9%$25.13-6.76%
8 qtrssince 2024-Q3
Unchanged
0

MINERALYS THERAPEUTICS INC

7.7M$207.6M1.8%$19.13+33.83%
14 qtrssince 2023-Q1
Unchanged
0

GH RESEARCH PLC

7.6M$205.3M1.8%$16.40+70.40%
21 qtrssince 2021-Q2
Decreased
0

DISC MEDICINE INC

2.5M$179.2M1.6%$58.68+36.39%
6 qtrssince 2025-Q1
Unchanged
0
8M$178.6M1.6%$26.75-1.23%
2 qtrssince 2026-Q1
Unchanged
0

ARTIVA BIOTHERAPEUTICS INC

18M$174.2M1.5%$12.07-8.08%
8 qtrssince 2024-Q3
Increased
74

JANUX THERAPEUTICS INC

11.2M$171.9M1.5%$27.88-35.32%
21 qtrssince 2021-Q2
Unchanged
0

TAYSHA GENE THERAPIES INC

23.6M$160.4M1.4%$2.74+110.58%
12 qtrssince 2023-Q3
Unchanged
0

BIOCRYST PHARMACEUTICALS INC

15.8M$158.3M1.4%$7.80+25.90%
3 qtrssince 2025-Q4
Unchanged
0

WAVE LIFE SCIENCES LTD

27M$156.7M1.4%$17.73-71.57%
31 qtrssince 2018-Q4
Unchanged
0
$11.5B
AUM
84
Positions
Q2 2026
Filing
3.0/5
HI score
Quarterly 13F Value Change
-20%Q1'25$6B-1%Q2'25$5.9B+37%Q3'25$8.1B+20%Q4'25$9.8B-3%Q1'26$9.4B+22%Q2'26$11.5B
Activity profile
$ moved · Q2'26
New55%Increased3%Decreased4%Exited38%
Composition
Equity vs derivatives
Equity100%Puts0%Calls0%
Holding period
Avg 2.1 years
<1Q19%1-4Q27%1-2Y14%2Y+39%

RA CAPITAL MANAGEMENT, L.P. manages $11.5B across 84 positions as of Q2 2026. Top holdings: ASND (23.8%), PBLS (6.9%), RYTM (6.4%). Fund DNA: Balanced Allocator. HoldingsIntel Score: 3/5.0.

Q2 2026 Summary

Active quarter - 17 new positions, 18 exits, 10 increased. Top move: ASND (NEW, conviction 98). Portfolio: $11.5B across 84 positions.

Top holdings by portfolio weight

Total AUM$12B
ASND23.83%
PBLS6.88%
RYTM6.43%
PCVX5.80%
SION3.79%
TYRA3.39%
EWTX2.96%
NAMS2.81%
COAG2.49%
SEPN2.04%
Other1.87%

Portfolio allocation by GICS sector

Sectors2
Healthcare99.89%
Financial Services0.11%

Behavioral investing profile

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Balanced Allocator- primarily Healthcare
Compare DNA across all funds
7-dimension, SEC 13F-derived research score
Solid(3.0 / 5.0)
Holdings P&L47
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

Verify source filings on SEC EDGAR

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