Funds · 13F filer · New York, NY

Catalio Capital Management, LP

$532.1M in 39 U.S. stocks and ETFs at the end of June 30, 2026, as reported to the SEC.1

1y return+75.3%S&P 500 +20.9%

These returns are for its stock picks as disclosed on Form 13F: last quarter's holdings, valued at this quarter's prices. They miss trades within each quarter, short positions, options, bonds, cash and fees, so they aren't the returns its clients got.

$100 invested in its stock picks

Since December 31, 2024: $171 against $127 in the S&P 500.2

Catalio Capital Management, LPS&P 500 (SPY)
$95$100$17120242026

Top holdings

At the end of June 30, 2026. Change is in shares since the quarter before.2

StockValueShare of portfolioChange
AVLNAvalyn Pharmaceuticals Inc$55.2M10.4%New
JNJJohnson & Johnson$35.3M6.6%New
GILDGilead Sciences Inc$34.0M6.4%+64.3%
BBIOBridgebio Pharma Inc$33.9M6.4%+5.3%
SNDXSyndax Pharmaceuticals Inc$26.6M5.0%+16.5%
DFTXDefinium Therapeutics Inc$26.5M5.0%−45.8%
BMYBristol-myers Squibb Co$23.8M4.5%−1.8%
PBLSParabilis Medicines Inc$22.6M4.2%New
NTRANatera Inc$22.3M4.2%+15.9%
INCYIncyte Corp$21.7M4.1%+5.2%
SEPNSepterna Inc$18.0M3.4%+82.1%
MLYSMineralys Therapeutics Inc$17.5M3.3%+47.8%
HTFLHeartflow Inc$17.1M3.2%+44.5%
CRVSCorvus Pharmaceuticals Inc$16.1M3.0%+21.2%
GPCRStructure Therapeutics Inc$14.8M2.8%+8.3%
PTGXProtagonist Therapeutics Inc$13.1M2.5%New
IRONDisc Medicine Inc$11.7M2.2%+29.6%
EWEdwards Lifesciences Corp$11.3M2.1%−13.7%
AXSMAxsome Therapeutics Inc.$10.6M2.0%New
RAREUltragenyx Pharmaceutical In$10.6M2.0%−62.8%
KLRAKailera Therapeutics Inc$10.3M1.9%New
KPTIKaryopharm Therapeutics Inc$9.2M1.7%+4.8%
ODTXOdyssey Therapeutics Inc$8.6M1.6%New
Ascendis Pharma A/sCUSIP K08588103$8.5M1.6%New
KARDKardigan Inc$7.5M1.4%New

Best picks still held

How each current holding has done since the quarter it first appeared in its filings (up to six years back).

StockHeld sinceReturn sinceNow worth
DNTHDianthus Therapeutics IncDecember 31, 2024+347.2%$3.2M
FTHFaeth Therapeutics IncJune 30, 2025+191.4%$368K
KPTIKaryopharm Therapeutics IncMarch 31, 2025+161.2%$9.2M
DFTXDefinium Therapeutics IncMarch 31, 2026+148.9%$26.5M
GPCRStructure Therapeutics IncDecember 31, 2024+97.9%$14.8M
MANEVeradermics IncMarch 31, 2026+94.7%$5.6M
SNDXSyndax Pharmaceuticals IncMarch 31, 2025+77.9%$26.6M
NTRANatera IncJune 30, 2025+60.7%$22.3M
HYPRHyperfine IncDecember 31, 2024+53.4%$1.8M
ELDNEledon Pharmaceuticals IncSeptember 30, 2025+52.1%$6.7M

Sold off last quarter

  • Ascendis Pharma A/sCUSIP 04351P101 was $29.5M
  • Terns Pharmaceuticals IncCUSIP 880881107 was $21.6M
  • Soleno Therapeutics IncCUSIP 834203309 was $19.3M
  • BSXBoston Scientific Corp was $18.8M
  • CYTKCytokinetics Inc was $14.2M
  • ADPTAdaptive Biotechnologies Cor was $10.0M
  • Kalvista Pharmaceuticals IncCUSIP 483497103 was $8.6M
  • Uniqure NvCUSIP N90064101 was $8.0M
  • ABVXAbivax Sa was $5.3M
  • SUPNSupernus Pharmaceuticals was $3.2M

Quarter by quarter

QuarterIts picksS&P 500
June 30, 2026+22.7%+14.8%
March 31, 2026−0.8%−4.6%
December 31, 2025+25.9%+2.4%
September 30, 2025+14.5%+7.8%
June 30, 2025+2.7%+10.5%
March 31, 2025−4.8%−4.6%

Sources

Every number on this page points here. Each one links to the public record.

  1. 1
    CIK 1958125
  2. 2
    Filed August 14, 2026 · accession 0001958125-26-000005