RA CAPITAL MANAGEMENT L P
Q2 2023 Form 13-F

BOSTON, MASSACHUSETTS
CIK 0001346824 · CRD 160174 · SEC-registered investment adviser
$5.3B Reported Value Total

RA CAPITAL MANAGEMENT, LP reports 9 total accounts under management (AUM). There are 9 discretionary accounts valued at $9,650,336,033, and 0 non-discretionary accounts.

Source: Form ADV filed * Note that certain holdings are exempt from Form 13-F reporting, so the AUM totals may be greater than the Form 13-F total.
SEC Registered Discretionary Manager
Private funds (Form ADV)
6 funds · $16.3B gross asset value
Hedge Fund: $14.5B · Venture Capital Fund: $1.8B
Source: Form ADV filed 2026-03-31
Reported value
$5.3B
Quarter over quarter
+14.4%
Holdings
54
Top-10 concentration
58.3%

Key People

Form ADV owners & control persons
Richard H. (mi Only) Aldrich
PARTNER
Peter (nmn) Kolchinsky
PORTFOLIO MANAGER
Craig Alan Randall
GENERAL COUNSEL

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Q2 2023 13F record

Q2 2023 13F filing summary

Q2 2023 Form 13F portfolio summary
Period of report June 30, 2023
Filed August 14, 2023
Form 13F-HR
Reported value $5.3B
Positions 54
Change in reported value +19.9%
New positions 4
Exited positions 9
Position turnover 20.6%
Top-10 concentration 58.3%

13F filings by quarter

Form 13F filings by quarter
Quarter Positions Value
Q2 2026 13F
Filed Aug 14, 2026
84 $11.5B
Q1 2026 13F
Filed May 15, 2026
85 $9.4B
Q4 2025 13F
Filed Feb 17, 2026
71 $9.8B
Q3 2025 13F
Filed Nov 14, 2025
67 $8.1B
Q2 2025 13F
Filed Aug 14, 2025
63 $5.9B
Q1 2025 13F
Filed May 15, 2025
85 $6.0B
Q4 2024 13F
Filed Feb 14, 2025
89 $7.5B
Q3 2024 13F
Filed Nov 14, 2024
81 $8.7B
Q2 2024 13F
Filed Aug 14, 2024
78 $7.6B
Q1 2024 13F
Filed May 15, 2024
76 $7.9B
Q4 2023 13F
Filed Feb 14, 2024
62 $6.4B
Q3 2023 13F
Filed Nov 14, 2023
66 $5.1B
Q2 2023 13F
Filed Aug 14, 2023
54 $5.3B
Q1 2023 13F
Filed May 15, 2023
59 $4.4B
Q4 2022 13F
Filed Feb 14, 2023
70 $4.9B
Q3 2022 13F
Filed Nov 14, 2022
81 $4.7B
Q2 2022 13F
Filed Aug 15, 2022
88 $3.8B
Q1 2022 13F
Filed May 16, 2022
96 $4.6B
Q4 2021 13F
Filed Feb 14, 2022
97 $5.7B
Q3 2021 13F
Filed Nov 15, 2021
95 $7.2B

33 earlier quarters on file — choose one from the quarter menu above.

Top 20 holdings · Q2 2023

Largest Q2 2023 13F positions by reported value
# Holding Reported value % of portfolio
1 ASND ASCENDIS PHARMA A/S $1.0B 18.92%
2 LEGN LEGEND BIOTECH CORP $432.5M 8.16%
3 PCVX VAXCYTE INC $394.1M 7.44%
4 DICE DICE THERAPEUTICS INC $365.0M 6.89%
5 ETNB 89BIO INC $216.4M 4.08%
6 BIIB BIOGEN INC $151.8M 2.87%
7 AVTE AEROVATE THERAPEUTICS INC $141.7M 2.68%
8 VRNA VERONA PHARMA PLC $133.6M 2.52%
9 CVAC CUREVAC N V $127.6M 2.41%
10 TYRA TYRA BIOSCIENCES INC $123.2M 2.33%
11 NAMS NEWAMSTERDAM PHARMA COMPANY $107.0M 2.02%
12 CTKB CYTEK BIOSCIENCES INC $105.0M 1.98%
13 JANX JANUX THERAPEUTICS INC $102.9M 1.94%
14 GERN GERON CORP $101.3M 1.91%
15 INBX INHIBRX INC $100.0M 1.89%
16 RYTM RHYTHM PHARMACEUTICALS INC $93.6M 1.77%
17 DAWN DAY ONE BIOPHARMACEUTICALS I $93.2M 1.76%
18 RXST RXSIGHT INC $87.9M 1.66%
19 COGT COGENT COMMUNICATIONS HLDGS $76.0M 1.43%
20 PEPG PEPGEN INC $72.7M 1.37%

Values as reported on the Q2 2023 Form 13F. Every position is in the holdings table below.

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