# Catalio Capital Management, LP: Form 13F holdings

An institutional investment manager in NEW YORK, NY. SEC CIK 1958125.

- Quarter ended: 2026-06-30
- Filed: 2026-08-14
- Reported value: $532.1m
- Positions: 39 (39 lines in the filing's table; lines for the same security and option type are added together here)
- Compared with: the 13F for the quarter ended 2026-03-31
- Filing: https://www.sec.gov/Archives/edgar/data/1958125/000195812526000005/

## Holdings

As filed, largest first. Reported value is what the manager stated at the quarter end (Jun 30, 2026), in US dollars; it is filing data, not a price. Weight is the share of the total reported value.

| Issuer | Class | Reported value | Weight | Shares | Put or call | Change on the quarter before |
| --- | --- | ---: | ---: | ---: | --- | --- |
| [AVALYN PHARMACEUTICALS INC (AVLN)](/companies/avln.md) | COM SHS | $55.2m | 10.4% | 1,675,830 |  | New +1,675,830 |
| [JOHNSON & JOHNSON (JNJ)](/companies/jnj.md) | COM | $35.3m | 6.6% | 138,946 |  | New +138,946 |
| [GILEAD SCIENCES INC (GILD)](/companies/gild.md) | COM | $34.0m | 6.4% | 269,309 |  | Added +105,404 |
| [BRIDGEBIO PHARMA INC (BBIO)](/companies/bbio.md) | COM | $33.9m | 6.4% | 455,041 |  | Added +23,027 |
| [SYNDAX PHARMACEUTICALS INC (SNDX)](/companies/sndx.md) | COM | $26.6m | 5.0% | 1,215,698 |  | Added +172,028 |
| [DEFINIUM THERAPEUTICS INC (DFTX)](/companies/dftx.md) | COM SHS | $26.5m | 5.0% | 562,672 |  | Reduced −475,312 |
| [BRISTOL-MYERS SQUIBB CO (BMY)](/companies/bmy.md) | COM | $23.8m | 4.5% | 412,961 |  | Reduced −7,766 |
| [PARABILIS MEDICINES INC (PBLS)](/companies/pbls.md) | COM | $22.6m | 4.2% | 824,043 |  | New +824,043 |
| [NATERA INC (NTRA)](/companies/ntra.md) | COM | $22.3m | 4.2% | 82,181 |  | Added +11,274 |
| [INCYTE CORP (INCY)](/companies/incy.md) | COM | $21.7m | 4.1% | 191,627 |  | Added +9,526 |
| [SEPTERNA INC (SEPN)](/companies/sepn.md) | COM | $18.0m | 3.4% | 536,152 |  | Added +241,792 |
| [MINERALYS THERAPEUTICS INC (MLYS)](/companies/mlys.md) | COM | $17.5m | 3.3% | 648,722 |  | Added +209,681 |
| [HEARTFLOW INC (HTFL)](/companies/htfl.md) | COM | $17.1m | 3.2% | 583,055 |  | Added +179,467 |
| [CORVUS PHARMACEUTICALS INC (CRVS)](/companies/crvs.md) | COM | $16.1m | 3.0% | 1,080,888 |  | Added +188,955 |
| [STRUCTURE THERAPEUTICS INC (GPCR)](/companies/gpcr.md) | SPONSORED ADS | $14.8m | 2.8% | 276,550 |  | Added +21,171 |
| [PROTAGONIST THERAPEUTICS INC (PTGX)](/companies/ptgx.md) | COM | $13.1m | 2.5% | 106,799 |  | New +106,799 |
| [DISC MEDICINE INC (IRON)](/companies/iron.md) | COM | $11.7m | 2.2% | 159,384 |  | Added +36,406 |
| [EDWARDS LIFESCIENCES CORP (EW)](/companies/ew.md) | COM | $11.3m | 2.1% | 124,778 |  | Reduced −19,829 |
| [AXSOME THERAPEUTICS INC. (AXSM)](/companies/axsm.md) | COM | $10.6m | 2.0% | 43,182 |  | New +43,182 |
| [ULTRAGENYX PHARMACEUTICAL IN (RARE)](/companies/rare.md) | COM | $10.6m | 2.0% | 316,252 |  | Reduced −534,545 |
| [KAILERA THERAPEUTICS INC (KLRA)](/companies/klra.md) | COMMON STOCK | $10.3m | 1.9% | 468,750 |  | New +468,750 |
| [KARYOPHARM THERAPEUTICS INC (KPTI)](/companies/kpti.md) | COM NEW | $9.2m | 1.7% | 940,855 |  | Added +43,146 |
| [ODYSSEY THERAPEUTICS INC (ODTX)](/companies/odtx.md) | COMMON STOCK | $8.6m | 1.6% | 457,839 |  | New +457,839 |
| ASCENDIS PHARMA A/S | ORD SHS | $8.5m | 1.6% | 31,759 |  | New +31,759 |
| [KARDIGAN INC (KARD)](/companies/kard.md) | COM | $7.5m | 1.4% | 312,500 |  | New +312,500 |
| [ELEDON PHARMACEUTICALS INC (ELDN)](/companies/eldn.md) | COM | $6.7m | 1.3% | 1,695,071 |  | Added +55,255 |
| [4D MOLECULAR THERAPEUTICS IN (FDMT)](/companies/fdmt.md) | COM | $6.3m | 1.2% | 471,254 |  | New +471,254 |
| [VERADERMICS INC (MANE)](/companies/mane.md) | COMMON STOCK | $5.6m | 1.1% | 45,856 |  | Reduced −127,726 |
| [DYNE THERAPEUTICS INC (DYN)](/companies/dyn.md) | COM | $5.4m | 1.0% | 244,929 |  | Reduced −38,025 |
| FRACTYL HEALTH INC | COM | $4.9m | 0.9% | 6,168,749 |  | Added +676,883 |
| [IMMUNOCORE HLDGS PLC (IMCR)](/companies/imcr.md) | ADS | $4.7m | 0.9% | 148,045 |  | Added +63,693 |
| [DIANTHUS THERAPEUTICS INC (DNTH)](/companies/dnth.md) | COM | $3.2m | 0.6% | 32,941 |  | Reduced −527,367 |
| [BRIDGEBIO ONCOLOGY THERAPEUT (BBOT)](/companies/bbot.md) | COM NEW | $2.4m | 0.5% | 318,407 |  | New +318,407 |
| [PROTARA THERAPEUTICS INC (TARA)](/companies/tara.md) | COM STK | $2.0m | 0.4% | 520,148 |  | Reduced −59,876 |
| [HYPERFINE INC (HYPR)](/companies/hypr.md) | COM CL A | $1.8m | 0.3% | 1,320,041 |  | Unchanged |
| ATAIBECKLEY INC | COM SHS | $1.0m | 0.2% | 196,858 |  | Unchanged |
| [METAGENOMI THERAPEUTICS INC (MGX)](/companies/mgx.md) | COM | $629.5k | 0.1% | 528,993 |  | Unchanged |
| [OUTSET MED INC (OM)](/companies/om.md) | COM NEW | $511.0k | <0.1% | 118,279 |  | Unchanged |
| [FAETH THERAPEUTICS INC (FTH)](/companies/fth.md) | COM NEW | $367.9k | <0.1% | 14,718 |  | Unchanged |

## Sold out

Held at the end of the quarter before and not reported this quarter.

| Issuer | Class | Reported value | Weight | Shares | Put or call | Change on the quarter before |
| --- | --- | ---: | ---: | ---: | --- | --- |
| [ABIVAX SA (ABVX)](/companies/abvx.md) | SPONSORED ADS | $0 | 0.0% | 0 |  | Sold out −47,193 |
| [ADAPTIVE BIOTECHNOLOGIES COR (ADPT)](/companies/adpt.md) | COM | $0 | 0.0% | 0 |  | Sold out −722,784 |
| ASCENDIS PHARMA A/S | SPONSORED ADR | $0 | 0.0% | 0 |  | Sold out −129,111 |
| [BOSTON SCIENTIFIC CORP (BSX)](/companies/bsx.md) | COM | $0 | 0.0% | 0 |  | Sold out −299,318 |
| [CYTOKINETICS INC (CYTK)](/companies/cytk.md) | COM NEW | $0 | 0.0% | 0 |  | Sold out −215,501 |
| KALVISTA PHARMACEUTICALS INC | COM | $0 | 0.0% | 0 |  | Sold out −426,551 |
| NEWAMSTERDAM PHARMA COMPANY | ORDINARY SHARES | $0 | 0.0% | 0 |  | Sold out −83,554 |
| [PHATHOM PHARMACEUTICALS INC (PHAT)](/companies/phat.md) | COM | $0 | 0.0% | 0 |  | Sold out −247,767 |
| SOLENO THERAPEUTICS INC | COM | $0 | 0.0% | 0 |  | Sold out −577,808 |
| [SUPERNUS PHARMACEUTICALS (SUPN)](/companies/supn.md) | COM | $0 | 0.0% | 0 |  | Sold out −62,019 |
| TERNS PHARMACEUTICALS INC | COM | $0 | 0.0% | 0 |  | Sold out −409,031 |
| [TYRA BIOSCIENCES INC (TYRA)](/companies/tyra.md) | COM | $0 | 0.0% | 0 |  | Sold out −67,285 |
| UNIQURE NV | SHS | $0 | 0.0% | 0 |  | Sold out −491,116 |

Source: SEC EDGAR, Form 13F-HR, accession 0001958125-26-000005. Last ingested by Listed: Oct 22, 2026, 05:26 ET. No prices; not investment advice.