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Super Investors / Cormorant Asset Management, LP
CA

Cormorant Asset Management, LP

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$1.95B
Positions
50
Quarter ended
June 30, 2026
Filed
August 14, 2026

Reported portfolio value by quarter (51 quarters reported)

$4.49B $345M
Q4 13 Q3 16 Q2 19 Q1 22 Q4 24 Q2 26

$345M in Q4 2013 → $1.95B now. Hover for any quarter.

Holdings

As reported for the quarter ended June 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
PP Praxis Precision Medicines I 11.0% Trimmed 28% 640,000 $214M
BO Bridgebio Oncology Therapeut 7.0% Unchanged 17,878,594 $136M
PM Parabilis Medicines Inc 6.5% New 4,615,612 $126M
Rapport Therapeutics Inc 5.7% Trimmed 10% 2,657,521 $111M
Erasca Inc 5.6% Added 3.4% 6,000,000 $110M
Edgewise Therapeutics Inc 5.2% Trimmed 23% 2,510,000 $102M
Eyepoint Inc 5.1% Trimmed 15% 7,000,000 $100M
Alumis Inc 4.7% Trimmed 17% 3,285,596 $92.5M
Abivax Sa 4.6% Trimmed 11% 675,000 $90M
DT Dianthus Therapeutics Inc 3.7% Trimmed 21% 750,000 $73.1M
Bright Minds Biosciences Inc 3.2% Trimmed 15% 900,000 $63.2M
Moonlake Immunotherapeutics 3.2% Trimmed 28% 3,205,433 $62.4M
Bioage Labs Inc 3.0% Trimmed 17% 2,390,605 $58.6M
Oruka Therapeutics Inc 2.6% Unchanged 533,340 $50.8M
AN Adlai Nortye Ltd 2.3% Added 37% 3,978,229 $45.7M
Bridgebio Pharma Inc 2.1% Trimmed 35% 550,000 $41M
Tango Therapeutics Inc 2.1% Trimmed 8.8% 1,300,000 $40.6M
Biohaven Ltd 2.0% Added 48% 2,610,000 $38.8M
Agomab Therapeutics Nv 1.6% Unchanged 2,465,348 $32M
Mbx Biosciences Inc 1.6% Trimmed 51% 550,000 $30.4M
Climb Bio Inc 1.4% New 2,106,000 $27.5M
Olema Pharmaceuticals Inc 1.4% Trimmed 45% 2,150,000 $26.9M
Damora Therapeutics Inc 1.3% Trimmed 34% 1,000,000 $26M
Pharvaris N V 1.3% Trimmed 25% 750,000 $25.9M
CP Corbus Pharmaceuticals Hldgs 1.1% Unchanged 2,344,971 $22M
Spyre Therapeutics Inc 1.0% New 225,000 $20M
Definium Therapeutics Inc 1.0% New 400,000 $18.8M
NP Newamsterdam Pharma Company 0.9% Trimmed 47% 500,000 $16.9M
Roivant Sciences Ltd 0.9% Trimmed 37% 475,000 $16.8M
Cabaletta Bio Inc 0.8% Trimmed 9.1% 5,000,000 $15.6M
Helix Acquisition Corp Iii 0.7% Unchanged 1,297,500 $13.8M
Ascendis Pharma A/s 0.7% New 50,000 $13.3M
Kailera Therapeutics Inc 0.6% New 550,000 $12.1M
Insmed Inc 0.4% Trimmed 61% 75,000 $8M
Faeth Therapeutics Inc 0.4% Added 236% 1,028,242 $7.66M
Enliven Therapeutics Inc 0.4% New 150,000 $7.61M
Tarsus Pharmaceuticals Inc 0.3% Trimmed 56% 100,000 $6.29M
Ibio Inc 0.3% New 3,570,000 $6.25M
CP Crinetics Pharmaceuticals In 0.2% Trimmed 50% 125,000 $4.68M
Arcutis Biotherapeutics Inc 0.2% Trimmed 61% 175,000 $4.59M
AP Arrowhead Pharmaceuticals In 0.2% Trimmed 50% 50,000 $4.08M
Structure Therapeutics Inc 0.2% Trimmed 57% 75,000 $4.03M
Research Alliance Corp Iii 0.2% New 370,000 $3.96M
Cogent Biosciences Inc 0.2% Trimmed 50% 100,000 $3.87M
Altimmune Inc 0.2% New 1,250,000 $3.8M
Amylyx Pharmaceuticals Inc 0.2% Trimmed 43% 200,000 $3.59M
Odyssey Therapeutics Inc 0.2% New 175,000 $3.27M
Vaxcyte Inc 0.1% Trimmed 50% 50,000 $2.91M
Boundless Bio Inc 0.1% New 1,000,000 $2.5M
Quince Therapeutics Inc 0.0% New 5,498 $100K

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q2 2026

quarter ended June 30, 2026 · filed August 14, 2026

Company Action Shares changed Value of change % of portfolio
PM Parabilis Medicines Inc New +4,615,612 +$126M 6.5%
PP Praxis Precision Medicines I Trimmed −245,500 −$82.2M 11.0%
Centessa Pharmaceuticals PLC Exited −1,050,000 −$41.7M
Mbx Biosciences Inc Trimmed −570,000 −$31.5M 1.6%
Edgewise Therapeutics Inc Trimmed −750,000 −$30.5M 5.2%
Climb Bio Inc New +2,106,000 +$27.5M 1.4%
Moonlake Immunotherapeutics Trimmed −1,275,000 −$24.8M 3.2%
Maze Therapeutics Inc Exited −750,000 −$22.4M
Bridgebio Pharma Inc Trimmed −300,000 −$22.3M 2.1%
Olema Pharmaceuticals Inc Trimmed −1,750,000 −$21.9M 1.4%

Showing the 10 largest of 55 changes.

Q1 2026

quarter ended March 31, 2026 · filed May 15, 2026

Company Action Shares changed Value of change % of portfolio
IQ Invesco Qqq Tr Exited −250,000 −$154M
IT Ishares Tr Exited −500,000 −$123M
SS SPDR Series Trust Exited −1,000,000 −$122M
Erasca Inc New +5,800,000 +$93.8M 4.7%
DT Dianthus Therapeutics Inc New +950,000 +$79.7M 4.0%
Abivax Sa Trimmed −590,000 −$65.7M 4.3%
Damora Therapeutics Inc New +1,525,000 +$39.5M 2.0%
EH Engene Holdings Inc Exited −4,000,000 −$36.1M
Tango Therapeutics Inc New +1,425,000 +$29.8M 1.5%
Bridgebio Pharma Inc Trimmed −350,000 −$26M 3.2%

Showing the 10 largest of 47 changes.

Q4 2025

quarter ended December 31, 2025 · filed February 17, 2026

Company Action Shares changed Value of change % of portfolio
IQ Invesco Qqq Tr New +250,000 +$154M 7.1%
IT Ishares Tr New +500,000 +$123M 5.7%
SS SPDR Series Trust New +1,000,000 +$122M 5.6%
Abivax Sa Trimmed −600,000 −$80.9M 8.4%
Olema Pharmaceuticals Inc New +2,750,000 +$68.8M 3.2%
Arcellx Inc Exited −775,000 −$63.6M
NP Newamsterdam Pharma Company Trimmed −1,175,000 −$41.2M 1.6%
Moonlake Immunotherapeutics Added +2,361,260 +$31.1M 2.7%
Insmed Inc Trimmed −155,000 −$27M 2.2%
Cg Oncology Inc Exited −625,000 −$25.2M

Showing the 10 largest of 38 changes.

Q3 2025

quarter ended September 30, 2025 · filed November 14, 2025

Company Action Shares changed Value of change % of portfolio
BO Bridgebio Oncology Therapeut New +17,878,594 +$207M 14.3%
Merus N V Exited −1,120,000 −$58.9M
Moonlake Immunotherapeutics Trimmed −6,499,978 −$46.6M 1.0%
PP Praxis Precision Medicines I Trimmed −625,000 −$33.1M 3.7%
Verona Pharma PLC Exited −350,000 −$33.1M
HA Helix Acquisition Corp Ii Exited −2,909,000 −$30.9M
Ars Pharmaceuticals Inc Exited −1,100,000 −$19.2M
Janux Therapeutics Inc Trimmed −650,000 −$15.9M 1.4%
Insmed Inc Trimmed −110,000 −$15.8M 4.3%
Abivax Sa Trimmed −180,000 −$15.3M 11.4%

Showing the 10 largest of 27 changes.

Q2 2025

quarter ended June 30, 2025 · filed August 14, 2025

Company Action Shares changed Value of change % of portfolio
Verona Pharma PLC New +350,000 +$33.1M 2.5%
Merus N V Added +380,000 +$20M 4.4%
Bridgebio Pharma Inc Trimmed −400,000 −$17.3M 5.1%
Arcellx Inc Trimmed −250,000 −$16.5M 3.9%
Axsome Therapeutics Inc Trimmed −150,000 −$15.7M 0.8%
NP Newamsterdam Pharma Company Trimmed −650,000 −$11.8M 2.9%
Janux Therapeutics Inc Trimmed −500,000 −$11.6M 2.6%
Ars Pharmaceuticals Inc Trimmed −500,000 −$8.73M 1.4%
Rhythm Pharmaceuticals Inc Exited −150,000 −$7.95M
Onkure Therapeutics Inc Exited −1,837,739 −$7.9M

Showing the 10 largest of 28 changes.

Q1 2025

quarter ended March 31, 2025 · filed May 15, 2025

Company Action Shares changed Value of change % of portfolio
Avidity Biosciences Inc Trimmed −650,000 −$19.2M 0.9%
Arcellx Inc Trimmed −250,000 −$16.4M 5.2%
Gh Research PLC Added +1,416,439 +$15.6M 1.7%
Arrivent Biopharma Inc Exited −585,462 −$15.6M
Edgewise Therapeutics Inc Added +695,458 +$15.3M 6.8%
Ars Pharmaceuticals Inc Added +1,100,000 +$13.8M 1.5%
Bridgebio Pharma Inc Added +400,000 +$13.8M 5.2%
CP Crinetics Pharmaceuticals In Trimmed −400,000 −$13.4M 1.5%
Rhythm Pharmaceuticals Inc Trimmed −250,000 −$13.2M 0.6%
Septerna Inc Exited −560,000 −$12.8M

Showing the 10 largest of 35 changes.

Q4 2024

quarter ended December 31, 2024 · filed February 14, 2025

Company Action Shares changed Value of change % of portfolio
LP Longboard Pharmaceuticals In Exited −2,790,462 −$93M
PP Praxis Precision Medicines I Added +823,219 +$63.4M 7.2%
Janux Therapeutics Inc Added +1,050,000 +$56.2M 6.2%
Vaxcyte Inc Trimmed −575,000 −$47.1M 1.9%
Bright Minds Biosciences Inc New +1,059,331 +$38.2M 2.1%
NP Newamsterdam Pharma Company Added +780,000 +$20M 4.6%
Onkure Therapeutics Inc New +1,837,739 +$15.8M 0.9%
Urogen Pharma Ltd Trimmed −1,250,000 −$13.3M 0.2%
Biohaven Ltd Trimmed −346,424 −$12.9M 0.1%
Septerna Inc New +560,000 +$12.8M 0.7%

Showing the 10 largest of 31 changes.

Q3 2024

quarter ended September 30, 2024 · filed November 14, 2024

Company Action Shares changed Value of change % of portfolio
Bioage Labs Inc New +1,629,529 +$33.9M 1.8%
Avidity Biosciences Inc Added +625,000 +$28.7M 2.6%
Arcellx Inc Trimmed −275,000 −$23M 5.5%
Biohaven Ltd Trimmed −400,000 −$20M 1.1%
Sarepta Therapeutics Inc Exited −125,000 −$19.8M
Cullinan Therapeutics Inc Exited −1,125,000 −$19.6M
Mbx Biosciences Inc New +700,000 +$18.2M 1.0%
Centessa Pharmaceuticals PLC Added +950,000 +$15.2M 2.2%
CP Crinetics Pharmaceuticals In Trimmed −250,000 −$12.8M 3.0%
Insmed Inc Trimmed −175,000 −$12.8M 1.9%

Showing the 10 largest of 31 changes.

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