Funds › Catalio Capital Management, LP
Catalio Capital Management, LP
13F for Q2 2026, filed Aug 14, 2026. 39 positions worth $532.1M.Managers with more than $100 million in US-listed stocks list their holdings each quarter, within 45 days of quarter end. Long positions only: no short sales or cash.
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Holdings, Q2 2026
Largest first. Common shares only.
| # | The fund's own figures at the end of the quarter. A report can be up to 45 days old when it is filed. Options and bonds are not counted here. | Filing | ||||
|---|---|---|---|---|---|---|
| 1 | AVLN Avalyn Pharma Inc. | 1.68M | $55.2M | 10.4% | New | 13F ↗ |
| 2 | JNJ Johnson & Johnson | 138,946 | $35.3M | 6.6% | New | 13F ↗ |
| 3 | GILD Gilead Sciences, Inc. | 269,309 | $34.0M | 6.4% | +64.3% | 13F ↗ |
| 4 | BBIO BridgeBio Pharma, Inc. | 455,041 | $33.9M | 6.4% | +5.3% | 13F ↗ |
| 5 | SNDX Syndax Pharmaceuticals, Inc. | 1.22M | $26.6M | 5.0% | +16.5% | 13F ↗ |
| 6 | DFTX Definium Therapeutics, Inc. | 562,672 | $26.5M | 5.0% | -45.8% | 13F ↗ |
| 7 | BMY Bristol-Myers Squibb Company | 412,961 | $23.8M | 4.5% | -1.8% | 13F ↗ |
| 8 | PBLS Parabilis Medicines, Inc. | 824,043 | $22.6M | 4.2% | New | 13F ↗ |
| 9 | NTRA Natera, Inc. | 82,181 | $22.3M | 4.2% | +15.9% | 13F ↗ |
| 10 | INCY Incyte Corporation | 191,627 | $21.7M | 4.1% | +5.2% | 13F ↗ |
| 11 | SEPN Septerna, Inc. | 536,152 | $18.0M | 3.4% | +82.1% | 13F ↗ |
| 12 | MLYS Mineralys Therapeutics, Inc. | 648,722 | $17.5M | 3.3% | +47.8% | 13F ↗ |
| 13 | HTFL Heartflow, Inc. | 583,055 | $17.1M | 3.2% | +44.5% | 13F ↗ |
| 14 | CRVS Corvus Pharmaceuticals, Inc. | 1.08M | $16.1M | 3.0% | +21.2% | 13F ↗ |
| 15 | GPCR Structure Therapeutics Inc. | 276,550 | $14.8M | 2.8% | +8.3% | 13F ↗ |
| 16 | PTGX Protagonist Therapeutics, Inc. | 106,799 | $13.1M | 2.5% | New | 13F ↗ |
| 17 | IRON Disc Medicine, Inc. | 159,384 | $11.7M | 2.2% | +29.6% | 13F ↗ |
| 18 | EW Edwards Lifesciences Corporation | 124,778 | $11.3M | 2.1% | -13.7% | 13F ↗ |
| 19 | AXSM Axsome Therapeutics, Inc. | 43,182 | $10.6M | 2.0% | New | 13F ↗ |
| 20 | RARE Ultragenyx Pharmaceutical Inc. | 316,252 | $10.6M | 2.0% | -62.8% | 13F ↗ |
| 21 | KLRA Kailera Therapeutics, Inc. | 468,750 | $10.3M | 1.9% | New | 13F ↗ |
| 22 | KPTI Karyopharm Therapeutics Inc. | 940,855 | $9.2M | 1.7% | +4.8% | 13F ↗ |
| 23 | ODTX Odyssey Therapeutics, Inc. | 457,839 | $8.6M | 1.6% | New | 13F ↗ |
| 24 | ASND Ascendis Pharma A/S | 31,759 | $8.5M | 1.6% | New | 13F ↗ |
| 25 | KARD Kardigan, Inc. | 312,500 | $7.5M | 1.4% | New | 13F ↗ |
| 26 | ELDN Eledon Pharmaceuticals, Inc. | 1.70M | $6.7M | 1.3% | +3.4% | 13F ↗ |
| 27 | FDMT 4D Molecular Therapeutics, Inc. | 471,254 | $6.3M | 1.2% | New | 13F ↗ |
| 28 | MANE Veradermics, Incorporated | 45,856 | $5.6M | 1.1% | -73.6% | 13F ↗ |
| 29 | DYN Dyne Therapeutics, Inc. | 244,929 | $5.4M | 1.0% | -13.4% | 13F ↗ |
| 30 | Fractyl Health Inc | 6.17M | $4.9M | 0.9% | +12.3% | 13F ↗ |
| 31 | IMCR Immunocore Holdings plc · ADR | 148,045 | $4.7M | 0.9% | +75.5% | 13F ↗ |
| 32 | DNTH Dianthus Therapeutics, Inc. | 32,941 | $3.2M | 0.6% | -94.1% | 13F ↗ |
| 33 | BBOT BridgeBio Oncology Therapeutics, Inc. | 318,407 | $2.4M | 0.5% | New | 13F ↗ |
| 34 | TARA Protara Therapeutics, Inc. | 520,148 | $2.0M | 0.4% | -10.3% | 13F ↗ |
| 35 | HYPR Hyperfine, Inc. | 1.32M | $1.8M | 0.3% | Unchanged | 13F ↗ |
| 36 | Ataibeckley Inc | 196,858 | $1.0M | 0.2% | Unchanged | 13F ↗ |
| 37 | MGX Metagenomi Therapeutics, Inc. | 528,993 | $629.5K | 0.1% | Unchanged | 13F ↗ |
| 38 | OM Outset Medical, Inc. | 118,279 | $511.0K | 0.1% | Unchanged | 13F ↗ |
| 39 | FTH Faeth Therapeutics, Inc. | 14,718 | $367.9K | 0.1% | Unchanged | 13F ↗ |
Changes since Q1 2026
11 new, 15 added to, 8 trimmed, 13 exited, 5 unchanged. By estimated dollars.
New positions (11)
| AVLN Avalyn Pharma Inc. | 1.68M | New | $55.2M |
| JNJ Johnson & Johnson | 138,946 | New | $35.3M |
| PBLS Parabilis Medicines, Inc. | 824,043 | New | $22.6M |
| PTGX Protagonist Therapeutics, Inc. | 106,799 | New | $13.1M |
| AXSM Axsome Therapeutics, Inc. | 43,182 | New | $10.6M |
| KLRA Kailera Therapeutics, Inc. | 468,750 | New | $10.3M |
| ODTX Odyssey Therapeutics, Inc. | 457,839 | New | $8.6M |
| ASND Ascendis Pharma A/S | 31,759 | New | $8.5M |
| KARD Kardigan, Inc. | 312,500 | New | $7.5M |
| FDMT 4D Molecular Therapeutics, Inc. | 471,254 | New | $6.3M |
Added to (15)
| GILD Gilead Sciences, Inc. | 269,309 | +64.3% | $13.3M |
| SEPN Septerna, Inc. | 536,152 | +82.1% | $8.1M |
| MLYS Mineralys Therapeutics, Inc. | 648,722 | +47.8% | $5.7M |
| HTFL Heartflow, Inc. | 583,055 | +44.5% | $5.3M |
| SNDX Syndax Pharmaceuticals, Inc. | 1.22M | +16.5% | $3.8M |
| NTRA Natera, Inc. | 82,181 | +15.9% | $3.1M |
| CRVS Corvus Pharmaceuticals, Inc. | 1.08M | +21.2% | $2.8M |
| IRON Disc Medicine, Inc. | 159,384 | +29.6% | $2.7M |
| IMCR Immunocore Holdings plc · ADR | 148,045 | +75.5% | $2.0M |
| BBIO BridgeBio Pharma, Inc. | 455,041 | +5.3% | $1.7M |
Trimmed (8)
| DNTH Dianthus Therapeutics, Inc. | 32,941 | -94.1% | -$51.4M |
| DFTX Definium Therapeutics, Inc. | 562,672 | -45.8% | -$22.4M |
| RARE Ultragenyx Pharmaceutical Inc. | 316,252 | -62.8% | -$17.8M |
| MANE Veradermics, Incorporated | 45,856 | -73.6% | -$15.7M |
| EW Edwards Lifesciences Corporation | 124,778 | -13.7% | -$1.8M |
| DYN Dyne Therapeutics, Inc. | 244,929 | -13.4% | -$844.5K |
| BMY Bristol-Myers Squibb Company | 412,961 | -1.8% | -$447.5K |
| TARA Protara Therapeutics, Inc. | 520,148 | -10.3% | -$228.7K |
Exited (13)
| Ascendis Pharma A/S ADR | 129,111 | Exited | -$29.5M |
| Terns Pharmaceuticals Inc | 409,031 | Exited | -$21.6M |
| Soleno Therapeutics Inc | 577,808 | Exited | -$19.3M |
| BSX Boston Scientific Corporation | 299,318 | Exited | -$18.8M |
| CYTK Cytokinetics, Incorporated | 215,501 | Exited | -$14.2M |
| ADPT Adaptive Biotechnologies Corporation | 722,784 | Exited | -$10.0M |
| Kalvista Pharmaceuticals Inc | 426,551 | Exited | -$8.6M |
| QURE uniQure N.V. | 491,116 | Exited | -$8.0M |
| ABVX Abivax SA · ADR | 47,193 | Exited | -$5.3M |
| SUPN Supernus Pharmaceuticals | 62,019 | Exited | -$3.2M |
The 10 largest of each, by estimated dollars: shares changed times the later report's price. Index tracking, splits and mergers move positions too.
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Reported value by quarter
Value and number of positions at the end of each quarter.
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Largest positions in earlier quarters
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Ten largest positions
By value, Q2 2026.
Filings
Most recent first, up to 80. An amendment can replace a report or add holdings to it. All 13F filings
Information, not investment advice. Values are the fund's own figures at quarter end; a report can be up to 45 days old when filed. Disclaimer