CORMORANT ASSET MANAGEMENT LP
Q2 2023 Form 13-F

BOSTON, MASSACHUSETTS
CIK 0001583977 · CRD 167820 · SEC-registered investment adviser
Consolidated report · includes 1 manager since Q4 2013
$1.8B Reported Value Total

CORMORANT ASSET MANAGEMENT, LP reports 12 total accounts under management (AUM). There are 12 discretionary accounts valued at $3,117,053,633, 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)
7 funds · $3.8B gross asset value
Hedge Fund: $2.2B · Private Equity Fund: $1.6B
Source: Form ADV filed 2026-05-27
Reported value
$1.8B
Quarter over quarter
+31.5%
Holdings
61
Top-10 concentration
60.0%

Filing Structure

Reports holdings for

Key People

Form ADV owners & control persons
Bihua Chen
MANAGING MEMBER & CHIEF EXECUTIVE OFFICER
Nebojsa Obradovic
CHIEF COMPLIANCE OFFICER & GENERAL COUNSEL
Caleb Jonathan Tripp
CHIEF FINANCIAL OFFICER & CHIEF OPERATING OFFICER

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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 $1.8B
Positions 61
Change in reported value +17.6%
New positions 9
Exited positions 20
Position turnover 35.8%
Top-10 concentration 60.0%

13F filings by quarter

Form 13F filings by quarter
Quarter Positions Value
Q2 2026 13F
Filed Aug 14, 2026
50 $2.0B
Q1 2026 13F
Filed May 15, 2026
46 $2.0B
Q4 2025 13F
Filed Feb 17, 2026
32 $2.2B
Q3 2025 13F
Filed Nov 14, 2025
36 $1.4B
Q2 2025 13F
Filed Aug 14, 2025
42 $1.3B
Q1 2025 13F
Filed May 15, 2025
42 $1.3B
Q4 2024 13F
Filed Feb 14, 2025
48 $1.8B
Q3 2024 13F
Filed Nov 14, 2024
45 $1.9B
Q2 2024 13F
Filed Aug 14, 2024
47 $1.7B
Q1 2024 13F
Filed May 15, 2024
56 $2.3B
Q4 2023 13F
Filed Feb 14, 2024
47 $2.1B
Q3 2023 13F
Filed Nov 14, 2023
49 $1.7B
Q2 2023 13F
Filed Aug 14, 2023
61 $1.8B
Q1 2023 13F
Filed May 15, 2023
72 $1.5B
Q4 2022 13F
Filed Feb 14, 2023
72 $1.5B
Q3 2022 13F
Filed Nov 14, 2022
72 $1.4B
Q2 2022 13F
Filed Aug 15, 2022
79 $1.3B
Q1 2022 13F
Filed May 16, 2022
77 $1.3B
Q4 2021 13F
Filed Feb 14, 2022
78 $1.7B
Q3 2021 13F
Filed Nov 15, 2021
88 $2.5B

31 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 MLTX MOONLAKE IMMUNOTHERAPEUTICS $415.2M 23.26%
2 AMAM AMBRX BIOPHARMA INC $158.3M 8.87%
3 APLS APELLIS PHARMACEUTICALS INC $119.3M 6.69%
4 BMEA BIOMEA FUSION INC $78.4M 4.39%
5 BBIO BRIDGEBIO PHARMA INC $71.7M 4.02%
6 ACLX ARCELLX INC $63.2M 3.54%
7 IMRX IMMUNEERING CORP $42.6M 2.39%
8 CBAY CYMABAY THERAPEUTICS INC $41.6M 2.33%
9 PTGX PROTAGONIST THERAPEUTICS INC $41.4M 2.32%
10 ELVN ENLIVEN THERAPEUTICS INC $39.5M 2.21%
11 PCVX VAXCYTE INC $33.2M 1.86%
12 DSGN DESIGN THERAPEUTICS INC $32.4M 1.82%
13 ZNTL ZENTALIS PHARMACEUTICALS INC $30.9M 1.73%
14 ERAS ERASCA INC $29.8M 1.67%
15 RNA AVIDITY BIOSCIENCES INC $29.0M 1.62%
16 CABA CABALETTA BIO INC $28.7M 1.61%
17 EYPT EYEPOINT PHARMACEUTICALS INC $27.8M 1.56%
18 OLMA OLEMA PHARMACEUTICALS INC $27.8M 1.56%
19 AVTE AEROVATE THERAPEUTICS INC $26.8M 1.5%
20 TARS TARSUS PHARMACEUTICALS INC $25.7M 1.44%

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

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