# EDGAR Filing Document

**Accession Number:** 0001583977
**File Stem:** 0001583977-23-000001
**Filing Date:** 2023-2
**Character Count:** 11375
**Document Hash:** b982ed94b454983b94de604c5dc2f2bb
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001583977-23-000001.hdr.sgml**: 20230214

**ACCESSION NUMBER**: 0001583977-23-000001

**CONFORMED SUBMISSION TYPE**: 13F-HR

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20221231

**FILED AS OF DATE**: 20230214

**DATE AS OF CHANGE**: 20230214

**EFFECTIVENESS DATE**: 20230214

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Cormorant Asset Management, LP
- **CENTRAL INDEX KEY:** 0001583977
- **IRS NUMBER:** 462108927
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 13F-HR
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 028-15949
- **FILM NUMBER:** 23627819

**BUSINESS ADDRESS:**
- **STREET 1:** 200 CLARENDON STREET
- **STREET 2:** 52ND FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02116
- **BUSINESS PHONE:** 857-702-0388

**MAIL ADDRESS:**
- **STREET 1:** 200 CLARENDON STREET
- **STREET 2:** 52ND FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02116

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Cormorant Asset Management, LLC
- **DATE OF NAME CHANGE:** 20130807

### FORM 13F COVER PAGE

**Report for the Calendar Year or Quarter Ended:** 12-31-2022

**Check here if Amendment** [ ] **Amendment Number:** 

**This Amendment (Check only one.):** [ ] is a restatement.

[ ] adds new holdings entries.

**Institutional Investment Manager Filing this Report:**

**Name:** Cormorant Asset Management LP<br>**Address:** 200 CLARENDON STREET<br>52ND FLOOR<br>BOSTON, MA 02116

**Form 13F File Number:** 028-15949

**CRD Number (if applicable):** 000167820

**SEC File Number (if applicable):** 801-79513

The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form.

**Person Signing this Report on Behalf of Reporting Manager:**

**Name:** Neb Obradovic<br>**Title:** CCO<br>**Phone:** 857-702-0370

**Signature, Place, and Date of Signing:**

/s/ Neb Obradovic  Boston, MA  02-14-2023<br>[Signature]  [City, State]  [Date]

**Report Type (Check only one.):**

[x] **13F HOLDINGS REPORT.** (Check here if all holdings of this reporting manager are reported in this report.)

[ ] **13F NOTICE.** (Check here if no holdings are reported in this report, and all holdings are reported by other reporting manager(s).)

[ ] **13F COMBINATION REPORT.** (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).)

### Form 13F Summary Page

**Report Summary:**

**Number of Other Included Managers:** 1

**Form 13F Information Table Entry Total:** 73

**Form 13F Information Table Value Total:** $1494448

      (round to nearest dollar)

**List of Other Included Managers:**

Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report.

[If there are no entries in this list, state “NONE” and omit the column headings and list entries.]

| No.   | Name       | Form 13F File Number   |
|:---|:---|:---|
|  | Chen Bihua | 028-15950              |

### FORM 13F INFORMATION TABLE

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| NAME OF ISSUER | TITLE OF CLASS | CUSIP | FIGI | VALUE (x$1000) | SHRS OR PRN AMT | SH/PRN | PUT/CALL | INVESTMENT DISCRETION | OTHER MANAGER | VOTING AUTHORITY | VOTING AUTHORITY | VOTING AUTHORITY |
| NAME OF ISSUER | TITLE OF CLASS | CUSIP | FIGI | VALUE (x$1000) | SHRS OR PRN AMT | SH/PRN | PUT/CALL | INVESTMENT DISCRETION | OTHER MANAGER | SOLE | SHARED | NONE |
| 89BIO INC | COM | 282559103 |  | 32462 | 2550000 | SH |  | DFND | 1 | 2550000 | 0 | 0 |
| ADICET BIO INC | COM | 007002108 |  | 5364 | 600000 | SH |  | DFND | 1 | 600000 | 0 | 0 |
| AEROVATE THERAPEUTICS INC | COM | 008064107 |  | 57344 | 1957132 | SH |  | DFND | 1 | 1957132 | 0 | 0 |
| ALTIMMUNE INC | COM NEW | 02155H200 |  | 42770 | 2600000 | SH |  | DFND | 1 | 2600000 | 0 | 0 |
| ALTIMMUNE INC | COM NEW | 02155H200 |  | 6580 | 400000 | SH | Call | DFND | 1 | 400000 | 0 | 0 |
| ALX ONCOLOGY HLDGS INC | COM | 00166B105 |  | 6898 | 612079 | SH |  | DFND | 1 | 612079 | 0 | 0 |
| AMBRX BIOPHARMA INC | SPONSORED ADS | 02290A102 |  | 5304 | 2336389 | SH |  | DFND | 1 | 2336389 | 0 | 0 |
| AMYLYX PHARMACEUTICALS INC | COM | 03237H101 |  | 20323 | 550000 | SH |  | DFND | 1 | 550000 | 0 | 0 |
| APELLIS PHARMACEUTICALS INC | COM | 03753U106 |  | 81540 | 1576872 | SH |  | DFND | 1 | 1576872 | 0 | 0 |
| ARCELLX INC | COMMON STOCK | 03940C100 |  | 64284 | 2075000 | SH |  | DFND | 1 | 2075000 | 0 | 0 |
| ARCUTIS BIOTHERAPEUTICS INC | COM | 03969K108 |  | 9620 | 650000 | SH |  | DFND | 1 | 650000 | 0 | 0 |
| ASCENDIS PHARMA A/S | SPONSORED ADR | 04351P101 |  | 6107 | 50000 | SH |  | DFND | 1 | 50000 | 0 | 0 |
| ASTRIA THERAPEUTICS INC | COM | 04635X102 |  | 24569 | 1650000 | SH |  | DFND | 1 | 1650000 | 0 | 0 |
| ATEA PHARMACEUTICALS INC | COM | 04683R106 |  | 7442 | 1547181 | SH |  | DFND | 1 | 1547181 | 0 | 0 |
| ATRECA INC | CL A COM | 04965G109 |  | 255 | 319057 | SH |  | DFND | 1 | 319057 | 0 | 0 |
| AUTOLUS THERAPEUTICS PLC | SPON ADS | 05280R100 |  | 745 | 392167 | SH |  | DFND | 1 | 392167 | 0 | 0 |
| AVIDITY BIOSCIENCES INC | COM | 05370A108 |  | 61291 | 2762115 | SH |  | DFND | 1 | 2762115 | 0 | 0 |
| AXONICS INC | COM | 05465P101 |  | 20150 | 322240 | SH |  | DFND | 1 | 322240 | 0 | 0 |
| AXSOME THERAPEUTICS INC | COM | 05464T104 |  | 25067 | 325000 | SH |  | DFND | 1 | 325000 | 0 | 0 |
| BIOATLA INC | COM | 09077B104 |  | 30363 | 3680365 | SH |  | DFND | 1 | 3680365 | 0 | 0 |
| BIOHAVEN LTD | COM | G1110E107 |  | 1138 | 81963 | SH |  | DFND | 1 | 81963 | 0 | 0 |
| BIOMEA FUSION INC | COM | 09077A106 |  | 26730 | 3170872 | SH |  | DFND | 1 | 3170872 | 0 | 0 |
| BRIDGEBIO PHARMA INC | COM | 10806X102 |  | 10433 | 1369179 | SH |  | DFND | 1 | 1369179 | 0 | 0 |
| CABALETTA BIO INC | COM | 12674W109 |  | 18239 | 1971739 | SH |  | DFND | 1 | 1971739 | 0 | 0 |
| CENTESSA PHARMACEUTICALS PLC | SPONSORED ADS | 152309100 |  | 1741 | 561600 | SH |  | DFND | 1 | 561600 | 0 | 0 |
| CHEMOMAB THERAPEUTICS LTD | SPONSORED ADS | 16385C104 |  | 922 | 288169 | SH |  | DFND | 1 | 288169 | 0 | 0 |
| COGENT BIOSCIENCES INC | COM | 19240Q201 |  | 10404 | 900000 | SH |  | DFND | 1 | 900000 | 0 | 0 |
| CYTOKINETICS INC | COM NEW | 23282W605 |  | 13563 | 296000 | SH |  | DFND | 1 | 296000 | 0 | 0 |
| DESIGN THERAPEUTICS INC | COM | 25056L103 |  | 52839 | 5150000 | SH |  | DFND | 1 | 5150000 | 0 | 0 |
| EDGEWISE THERAPEUTICS INC | COM | 28036F105 |  | 26345 | 2946887 | SH |  | DFND | 1 | 2946887 | 0 | 0 |
| ELEDON PHARMACEUTICALS INC | COM | 28617K101 |  | 2777 | 1217882 | SH |  | DFND | 1 | 1217882 | 0 | 0 |
| ELEVATION ONCOLOGY INC | COM | 28623U101 |  | 1854 | 1952032 | SH |  | DFND | 1 | 1952032 | 0 | 0 |
| ERASCA INC | COM | 29479A108 |  | 46605 | 10813246 | SH |  | DFND | 1 | 10813246 | 0 | 0 |
| GALECTO INC | COM | 36322Q107 |  | 1173 | 1020238 | SH |  | DFND | 1 | 1020238 | 0 | 0 |
| GH RESEARCH PLC | ORDINARY SHARES | G3855L106 |  | 5764 | 593043 | SH |  | DFND | 1 | 593043 | 0 | 0 |
| GRAPHITE BIO INC | COM | 38870X104 |  | 662 | 199547 | SH |  | DFND | 1 | 199547 | 0 | 0 |
| GREENLIGHT BIOSCIENCS HLDS P | COMMON STOCK | 39536G105 |  | 10843 | 9188659 | SH |  | DFND | 1 | 9188659 | 0 | 0 |
| HARPOON THERAPEUTICS INC | COM | 41358P106 |  | 392 | 540600 | SH |  | DFND | 1 | 540600 | 0 | 0 |
| ICOSAVAX INC | COM | 45114M109 |  | 5112 | 643825 | SH |  | DFND | 1 | 643825 | 0 | 0 |
| IDEAYA BIOSCIENCES INC | COM | 45166A102 |  | 6360 | 350000 | SH |  | DFND | 1 | 350000 | 0 | 0 |
| IMMUNEERING CORP | CLASS A COM | 45254E107 |  | 11088 | 2286181 | SH |  | DFND | 1 | 2286181 | 0 | 0 |
| IMMUNOVANT INC | COM | 45258J102 |  | 7100 | 400000 | SH |  | DFND | 1 | 400000 | 0 | 0 |
| KARUNA THERAPEUTICS INC | COM | 48576A100 |  | 21615 | 110000 | SH |  | DFND | 1 | 110000 | 0 | 0 |
| KEROS THERAPEUTICS INC | COM | 492327101 |  | 4802 | 100000 | SH |  | DFND | 1 | 100000 | 0 | 0 |
| LONGBOARD PHARMACEUTICALS IN | COM | 54300N103 |  | 6906 | 2118283 | SH |  | DFND | 1 | 2118283 | 0 | 0 |
| MIRATI THERAPEUTICS INC | COM | 60468T105 |  | 18124 | 400000 | SH |  | DFND | 1 | 400000 | 0 | 0 |
| MONTE ROSA THERAPEUTICS INC | COM | 61225M102 |  | 22021 | 2893717 | SH |  | DFND | 1 | 2893717 | 0 | 0 |
| MOONLAKE IMMUNOTHERAPEUTICS | CLASS A ORD | 61559X104 |  | 63683 | 6065001 | SH |  | DFND | 1 | 6065001 | 0 | 0 |
| OLEMA PHARMACEUTICALS INC | COM | 68062P106 |  | 5101 | 2082000 | SH |  | DFND | 1 | 2082000 | 0 | 0 |
| ORCHARD THERAPEUTICS PLC | SPON ADS | 68570P101 |  | 95 | 256649 | SH |  | DFND | 1 | 256649 | 0 | 0 |
| PHARVARIS N V | COM | N69605108 |  | 9185 | 816460 | SH |  | DFND | 1 | 816460 | 0 | 0 |
| PLIANT THERAPEUTICS INC | COM | 729139105 |  | 15131 | 782788 | SH |  | DFND | 1 | 782788 | 0 | 0 |
| POSEIDA THERAPEUTICS INC | COM | 73730P108 |  | 6095 | 1150000 | SH |  | DFND | 1 | 1150000 | 0 | 0 |
| PRIME MEDICINE INC | COM | 74168J101 |  | 13644 | 734350 | SH |  | DFND | 1 | 734350 | 0 | 0 |
| PROMETHEUS BIOSCIENCES INC | COM | 74349U108 |  | 229900 | 2090000 | SH |  | DFND | 1 | 2090000 | 0 | 0 |
| PYXIS ONCOLOGY INC | COMMON STOCK | 747324101 |  | 896 | 668854 | SH |  | DFND | 1 | 668854 | 0 | 0 |
| RAIN ONCOLOGY INC | COM | 75082Q105 |  | 23829 | 2978660 | SH |  | DFND | 1 | 2978660 | 0 | 0 |
| REVOLUTION MEDICINES INC | COM | 76155X100 |  | 45140 | 1895066 | SH |  | DFND | 1 | 1895066 | 0 | 0 |
| ROCKET PHARMACEUTICALS INC | COM | 77313F106 |  | 16998 | 868550 | SH |  | DFND | 1 | 868550 | 0 | 0 |
| SAREPTA THERAPEUTICS INC | COM | 803607100 |  | 25916 | 200000 | SH |  | DFND | 1 | 200000 | 0 | 0 |
| STOKE THERAPEUTICS INC | COM | 86150R107 |  | 10040 | 1087807 | SH |  | DFND | 1 | 1087807 | 0 | 0 |
| TALARIS THERAPEUTICS INC | COM | 87410C104 |  | 919 | 900649 | SH |  | DFND | 1 | 900649 | 0 | 0 |
| TANGO THERAPEUTICS INC | COM | 87583X109 |  | 29848 | 4116949 | SH |  | DFND | 1 | 4116949 | 0 | 0 |
| TARSUS PHARMACEUTICALS INC | COM | 87650L103 |  | 25456 | 1736422 | SH |  | DFND | 1 | 1736422 | 0 | 0 |
| VAXCYTE INC | COM | 92243G108 |  | 15584 | 325000 | SH |  | DFND | 1 | 325000 | 0 | 0 |
| VECTIVBIO HLDG AG | ORD SHS | H9060V101 |  | 21980 | 2536617 | SH |  | DFND | 1 | 2536617 | 0 | 0 |
| VENTYX BIOSCIENCES INC | COM | 92332V107 |  | 35434 | 1080643 | SH |  | DFND | 1 | 1080643 | 0 | 0 |
| VERVE THERAPEUTICS INC | COM | 92539P101 |  | 6773 | 350000 | SH |  | DFND | 1 | 350000 | 0 | 0 |
| VIGIL NEUROSCIENCE INC | COM | 92673K108 |  | 7710 | 616786 | SH |  | DFND | 1 | 616786 | 0 | 0 |
| VIKING THERAPEUTICS INC | COM | 92686J106 |  | 6580 | 700000 | SH |  | DFND | 1 | 700000 | 0 | 0 |
| VIRIDIAN THERAPEUTICS INC | COM | 92790C104 |  | 32131 | 1100000 | SH |  | DFND | 1 | 1100000 | 0 | 0 |
| X4 PHARMACEUTICALS INC | COM | 98420X103 |  | 1618 | 1628980 | SH |  | DFND | 1 | 1628980 | 0 | 0 |
| Y-MABS THERAPEUTICS INC | COM | 984241109 |  | 732 | 150000 | SH |  | DFND | 1 | 150000 | 0 | 0 |

---