Cormorant Asset Management, LP
Follow13F filer, CIK 1583977, BOSTON, MA
Cormorant Asset Management, LP reported $1,951,406,063 across 50 holdings for the quarter ended 2026-06-30, in a 13F-HR filed 2026-08-14. Its ten largest share positions make up 59.19% of the portfolio.
Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001583977-26-000007
- Period
- 2026-06-30
- Reported value
- $1.95B
- Holdings
- 50
- Top 10 weight
- 59.19%
- New
- 13
- Sold out
- 10
Largest buys vs the previous quarter
| Security | Shares change | Approx. value |
|---|---|---|
| PBLSnew | +4,615,612 | $126M |
| CLYMnew | +2,106,000 | $27.5M |
| SYREnew | +225,000 | $20M |
| DFTXnew | +400,000 | $18.8M |
| ASNDnew | +50,000 | $13.3M |
Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.
Largest sells vs the previous quarter
| Security | Shares change | Approx. value |
|---|---|---|
| PRAXreduced | -245,500 | -$82.2M |
| CNTAexited | -1,050,000 | -$41.7M |
| MBXreduced | -570,000 | -$31.5M |
| EWTXreduced | -750,000 | -$30.5M |
| MLTXreduced | -1,275,000 | -$24.8M |
Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.
Holdings, Q2 2026
Share positions as resolved from 13F-HR 0001583977-26-000007, largest first. % of portfolio is the value over $1,951,406,063, the sum of the share positions whose value is usable for ratios (method).
| Security | History | Shares | Value | % of portfolio | Change | Latest event | Timeline |
|---|---|---|---|---|---|---|---|
| PRAXPRAXIS PRECISION MEDICINES I | 640,000 | $214M | 10.98% | -245,500 | Timeline | ||
| BBOTBRIDGEBIO ONCOLOGY THERAPEUT | 17,878,594 | $136M | 6.98% | 0 | Timeline | ||
| PBLSPARABILIS MEDICINES INC | 4,615,612 | $126M | 6.47% | new | Timeline | ||
| RAPPRAPPORT THERAPEUTICS INC | 2,657,521 | $111M | 5.67% | -300,000 | Timeline | ||
| ERASERASCA INC | 6,000,000 | $110M | 5.63% | +200,000 | Timeline | ||
| EWTXEDGEWISE THERAPEUTICS INC | 2,510,000 | $102M | 5.23% | -750,000 | Timeline | ||
| EYPTEYEPOINT INC | 7,000,000 | $100M | 5.13% | -1,265,000 | Timeline | ||
| ALMSALUMIS INC | 3,285,596 | $92.5M | 4.74% | -663,645 | Timeline | ||
| ABVXABIVAX SA | 675,000 | $90M | 4.61% | -85,000 | Timeline | ||
| DNTHDIANTHUS THERAPEUTICS INC | 750,000 | $73.1M | 3.75% | -200,000 | Timeline | ||
| DRUGBRIGHT MINDS BIOSCIENCES INC | 900,000 | $63.2M | 3.24% | -159,331 | Timeline | ||
| MLTXMOONLAKE IMMUNOTHERAPEUTICS | 3,205,433 | $62.4M | 3.2% | -1,275,000 | Timeline | ||
| BIOABIOAGE LABS INC | 2,390,605 | $58.6M | 3% | -500,000 | Timeline | ||
| ORKAORUKA THERAPEUTICS INC | 533,340 | $50.8M | 2.6% | 0 | Timeline | ||
| ANLADLAI NORTYE GROUP LTD | 3,978,229 | $45.7M | 2.34% | +1,080,372 | Timeline | ||
| BBIOBRIDGEBIO PHARMA INC | 550,000 | $41M | 2.1% | -300,000 | Timeline | ||
| TNGXTANGO THERAPEUTICS INC | 1,300,000 | $40.6M | 2.08% | -125,000 | Timeline | ||
| BHVNBIOHAVEN LTD | 2,610,000 | $38.8M | 1.99% | +850,000 | Timeline | ||
| AGMBAGOMAB THERAPEUTICS NV | 2,465,348 | $32M | 1.64% | 0 | Timeline | ||
| MBXMBX BIOSCIENCES INC | 550,000 | $30.4M | 1.56% | -570,000 | Timeline | ||
| CLYMCLIMB BIO INC | 2,106,000 | $27.5M | 1.41% | new | Timeline | ||
| OLMAOLEMA PHARMACEUTICALS INC | 2,150,000 | $26.9M | 1.38% | -1,750,000 | Timeline | ||
| DMRADAMORA THERAPEUTICS INC | 1,000,000 | $26M | 1.33% | -525,000 | Timeline | ||
| PHVSPHARVARIS N V | 750,000 | $25.9M | 1.33% | -250,000 | Timeline | ||
| CRBPCORBUS PHARMACEUTICALS HLDGS | 2,344,971 | $22M | 1.13% | 0 | Timeline | ||
| SYRESPYRE THERAPEUTICS INC | 225,000 | $20M | 1.02% | new | Timeline | ||
| DFTXDEFINIUM THERAPEUTICS INC | 400,000 | $18.8M | 0.96% | new | Timeline | ||
| NAMSNEWAMSTERDAM PHARMA COMPANY | 500,000 | $16.9M | 0.87% | -450,000 | Timeline | ||
| ROIVROIVANT SCIENCES LTD | 475,000 | $16.8M | 0.86% | -275,000 | Timeline | ||
| CABACABALETTA BIO INC | 5,000,000 | $15.6M | 0.8% | -500,000 | Timeline | ||
| HLXCHELIX ACQUISITION CORP III | 1,297,500 | $13.8M | 0.71% | 0 | Timeline | ||
| ASNDASCENDIS PHARMA A/S | 50,000 | $13.3M | 0.68% | new | Timeline | ||
| KLRAKAILERA THERAPEUTICS INC | 550,000 | $12.1M | 0.62% | new | Timeline | ||
| INSMINSMED INC | 75,000 | $8M | 0.41% | -115,000 | Timeline | ||
| FTHFAETH THERAPEUTICS INC | 1,028,242 | $7.66M | 0.39% | +722,020 | Timeline | ||
| ELVNENLIVEN THERAPEUTICS INC | 150,000 | $7.61M | 0.39% | new | Timeline | ||
| TARSTARSUS PHARMACEUTICALS INC | 100,000 | $6.29M | 0.32% | -125,000 | Timeline | ||
| IBIOIBIO INC | 3,570,000 | $6.25M | 0.32% | new | Timeline | ||
| CRNXCRINETICS PHARMACEUTICALS IN | 125,000 | $4.68M | 0.24% | -125,000 | Timeline | ||
| ARQTARCUTIS BIOTHERAPEUTICS INC | 175,000 | $4.59M | 0.24% | -275,000 | Timeline | ||
| ARWRARROWHEAD PHARMACEUTICALS IN | 50,000 | $4.08M | 0.21% | -50,000 | Timeline | ||
| GPCRSTRUCTURE THERAPEUTICS INC | 75,000 | $4.03M | 0.21% | -100,000 | Timeline | ||
| RACCRESEARCH ALLIANCE CORP III | 370,000 | $3.96M | 0.2% | new | Timeline | ||
| COGTCOGENT BIOSCIENCES INC | 100,000 | $3.87M | 0.2% | -100,000 | Timeline | ||
| ALTALTIMMUNE INC | 1,250,000 | $3.8M | 0.19% | new | Timeline | ||
| AMLXAMYLYX PHARMACEUTICALS INC | 200,000 | $3.59M | 0.18% | -150,000 | Timeline | ||
| ODTXODYSSEY THERAPEUTICS INC | 175,000 | $3.27M | 0.17% | new | Timeline | ||
| PCVXVAXCYTE INC | 50,000 | $2.91M | 0.15% | -50,000 | Timeline | ||
| BOLDBOUNDLESS BIO INC | 1,000,000 | $2.5M | 0.13% | new | Timeline | ||
| QNCXQUINCE THERAPEUTICS INC | 5,498 | $100K | 0.01% | new | Timeline |
Sold out in Q2 2026
Positions in the previous quarter's report that this quarter's report no longer lists.
| Security | Shares before | Value before | Type |
|---|---|---|---|
| CNTACENTESSA PHARMACEUTICALS PLC | 1,050,000 | $41.7M | shares |
| MAZEMAZE THERAPEUTICS INC | 750,000 | $22.4M | shares |
| ASNDASCENDIS PHARMA A/S | 95,000 | $21.7M | shares |
| TERNTERNS PHARMACEUTICALS INC | 300,000 | $15.8M | shares |
| ZURAZURA BIO LTD | 1,450,000 | $8.63M | shares |
| AXSMAXSOME THERAPEUTICS INC. | 50,000 | $8.45M | shares |
| OLMAOLEMA PHARMACEUTICALS INC | 500,000 | $7.46M | call |
| GLUEMONTE ROSA THERAPEUTICS INC | 400,000 | $6.58M | shares |
| RLYBRALLYBIO CORP | 400,000 | $3.59M | shares |
| CNTXCONTEXT THERAPEUTICS INC | 529,550 | $1.39M | shares |
How Q2 2026 was built
Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).
| Filing | Role | Amendment | Filed | Accepted | Ingested |
|---|---|---|---|---|---|
| 13F-HR 0001583977-26-000007 | base | 2026-08-14 | acceptance time not in the bulk data set |
Filings
Every filing of this filer: 13F reports and notices, the 13D and 13G it filed or is a reporting person of, and Forms 3, 4 and 5 it reported as an owner.
| Filing | Subject | Filed | Accepted | Ingested |
|---|---|---|---|---|
| 13F-HR 0001583977-26-000007 | Quarter ended 2026-06-30 | 2026-08-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001583977-26-000002 | Quarter ended 2026-03-31 | 2026-05-15 | acceptance time not in the bulk data set | |
| 13F-HR 0001583977-26-000001 | Quarter ended 2025-12-31 | 2026-02-17 | acceptance time not in the bulk data set | |
| 13F-HR 0001583977-25-000011 | Quarter ended 2025-09-30 | 2025-11-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001583977-25-000007 | Quarter ended 2025-06-30 | 2025-08-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001583977-25-000005 | Quarter ended 2025-03-31 | 2025-05-15 | acceptance time not in the bulk data set | |
| 13F-HR 0001583977-25-000001 | Quarter ended 2024-12-31 | 2025-02-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001583977-24-000006 | Quarter ended 2024-09-30 | 2024-11-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001583977-24-000003 | Quarter ended 2024-06-30 | 2024-08-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001583977-24-000002 | Quarter ended 2024-03-31 | 2024-05-15 | acceptance time not in the bulk data set | |
| 13F-HR 0001583977-24-000001 | Quarter ended 2023-12-31 | 2024-02-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001583977-23-000005 | Quarter ended 2023-09-30 | 2023-11-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001583977-23-000003 | Quarter ended 2023-06-30 | 2023-08-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001583977-23-000002 | Quarter ended 2023-03-31 | 2023-05-15 | acceptance time not in the bulk data set | |
| 13F-HR 0001583977-23-000001 | Quarter ended 2022-12-31 | 2023-02-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001583977-22-000007 | Quarter ended 2022-09-30 | 2022-11-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001583977-22-000006 | Quarter ended 2022-06-30 | 2022-08-15 | acceptance time not in the bulk data set | |
| 13F-HR 0001583977-22-000002 | Quarter ended 2022-03-31 | 2022-05-16 | acceptance time not in the bulk data set | |
| 13F-HR 0001583977-22-000001 | Quarter ended 2021-12-31 | 2022-02-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001583977-21-000009 | Quarter ended 2021-09-30 | 2021-11-15 | acceptance time not in the bulk data set | |
| 13F-HR 0001583977-21-000008 | Quarter ended 2021-06-30 | 2021-08-16 | acceptance time not in the bulk data set | |
| 13F-HR 0001583977-21-000005 | Quarter ended 2021-03-31 | 2021-05-17 | acceptance time not in the bulk data set | |
| 13F-HR 0001583977-21-000003 | Quarter ended 2020-12-31 | 2021-02-16 | acceptance time not in the bulk data set | |
| 13F-HR 0001583977-20-000005 | Quarter ended 2020-09-30 | 2020-11-16 | acceptance time not in the bulk data set | |
| 13F-HR 0001583977-20-000004 | Quarter ended 2020-06-30 | 2020-08-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001583977-20-000003 | Quarter ended 2020-03-31 | 2020-05-15 | acceptance time not in the bulk data set | |
| 13F-HR 0001583977-20-000001 | Quarter ended 2019-12-31 | 2020-02-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001583977-19-000006 | Quarter ended 2019-09-30 | 2019-11-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001583977-19-000004 | Quarter ended 2019-06-30 | 2019-08-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001583977-19-000003 | Quarter ended 2019-03-31 | 2019-05-15 | acceptance time not in the bulk data set | |
| 13F-HR 0001583977-19-000001 | Quarter ended 2018-12-31 | 2019-02-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001583977-18-000005 | Quarter ended 2018-09-30 | 2018-11-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001567619-18-000936 | Quarter ended 2018-06-30 | 2018-08-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001583977-18-000004 | Quarter ended 2018-03-31 | 2018-05-15 | acceptance time not in the bulk data set | |
| 13F-HR 0001583977-18-000002 | Quarter ended 2017-12-31 | 2018-02-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001583977-17-000005 | Quarter ended 2017-09-30 | 2017-11-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001583977-17-000004 | Quarter ended 2017-06-30 | 2017-08-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001583977-17-000003 | Quarter ended 2017-03-31 | 2017-05-15 | acceptance time not in the bulk data set | |
| 13F-HR 0001583977-17-000002 | Quarter ended 2016-12-31 | 2017-02-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001583977-16-000008 | Quarter ended 2016-09-30 | 2016-11-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001140361-16-076682 | Quarter ended 2016-06-30 | 2016-08-15 | acceptance time not in the bulk data set | |
| 13F-HR/A 0001140361-16-066002 | Quarter ended 2016-03-31 | 2016-05-17 | acceptance time not in the bulk data set | |
| 13F-HR 0001140361-16-065689 | Quarter ended 2016-03-31 | 2016-05-16 | acceptance time not in the bulk data set | |
| 13F-HR 0001140361-16-053224 | Quarter ended 2015-12-31 | 2016-02-16 | acceptance time not in the bulk data set | |
| 13F-HR 0001140361-15-041700 | Quarter ended 2015-09-30 | 2015-11-16 | acceptance time not in the bulk data set | |
| 13F-HR 0001140361-15-032295 | Quarter ended 2015-06-30 | 2015-08-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001140361-15-020350 | Quarter ended 2015-03-31 | 2015-05-15 | acceptance time not in the bulk data set | |
| 13F-HR 0001140361-15-007391 | Quarter ended 2014-12-31 | 2015-02-17 | acceptance time not in the bulk data set | |
| 13F-HR 0001140361-14-041889 | Quarter ended 2014-09-30 | 2014-11-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001140361-14-032474 | Quarter ended 2014-06-30 | 2014-08-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001140361-14-021247 | Quarter ended 2014-03-31 | 2014-05-15 | acceptance time not in the bulk data set | |
| 13F-HR 0001140361-14-007278 | Quarter ended 2013-12-31 | 2014-02-14 | acceptance time not in the bulk data set |