Catalio Capital Management, LP

In its 13F for Q1 2025 (holdings as of March 31, 2025, filed May 15, 2025), Catalio Capital Management, LP reported 35 stock positions worth $403.4 million. Its top holding was Becton Dickinson and (BDX) at 11.6% of the portfolio, followed by Springworks Therapeutics (SWTX, 8.3%) and Bridgebio Pharma (BBIO, 8.3%). Compared with Q4 2024, it opened 11 new positions, sold out of 9, added to 7 and reduced 6. The biggest buy was a new position in Syndax Pharmaceuticals (SNDX) and the biggest sale an exit from Bristol-Myers Squibb (BMY).

Most Recent 13F
Q2 2026
Location
NEW YORK, NY
CIK
0001958125
Portfolio Value
$403.4M (Q1 2025)
SEC Filing
0001958125-25-000004 ↗ filed May 15, 2025

Holdings Value

0$200.0M$400.0M$600.0M Q4 2024: $457.1M Q4 2024 Q1 2025: $403.4M $403.4M Q1 2025 Q2 2025: $476.9M Q2 2025 Q3 2025: $540.9M Q3 2025 Q4 2025: $565.8M Q4 2025 Q1 2026: $478.7M Q1 2026 Q2 2026: $532.1M Q2 2026

Holdings 35 stocks · $403.4M

BDX Becton Dickinson and Co. 11.58% 203,965 $46.7M Add +37.2%
SWTX Springworks Therapeutics Inc. 8.30% 758,533 $33.5M Reduce -0.8%
BBIO Bridgebio Pharma Inc. 8.25% 962,883 $33.3M Add +7.2%
EW Edwards Lifesciences Corp. 7.83% 435,588 $31.6M Add +30.8%
ASND Ascendis Pharma A/S 7.56% 195,523 $30.5M Reduce -9.3%
CYTK Cytokinetics Inc. 5.84% 585,812 $23.5M Add +28.0%
VCYT Veracyte Inc. 5.60% 762,225 $22.6M Add +55.4%
SNDX Syndax Pharmaceuticals Inc. 5.28% 1,733,701 $21.3M New
LLY Eli Lilly & Co. 4.85% 23,682 $19.6M New
ISRG Intuitive Surgical Inc. 4.48% 36,499 $18.1M Reduce -1.1%
LIVN Livanova PLC 3.72% 381,648 $15.0M Reduce -25.5%
DNTH Dianthus Therapeutics Inc. 3.43% 763,471 $13.8M No change
INSP Inspire Medical Systems Inc. 3.39% 85,877 $13.7M New
GPCR Structure Therapeutics Inc. 3.02% 704,864 $12.2M Add +23.8%
SLNO Soleno Therapeutics Inc. 2.85% 160,962 $11.5M New
QURE Uniqure NV 2.18% 830,325 $8.8M Reduce -7.9%
REGN Regeneron Pharmaceuticals 1.93% 12,261 $7.8M New
SEPN Septerna Inc. 1.47% 1,024,245 $5.9M No change
TARA Protara Therapeutic Inc. 1.15% 1,088,691 $4.6M No change
ADPT Adaptive Biotechnologies 1.13% 611,639 $4.5M New
MLTX Moonlake Immunotherapeutics 1.11% 114,616 $4.5M New
KROS Keros Therapeutics Inc. 0.98% 389,384 $4.0M Reduce -4.4%
VIR Vir Biotechnology Inc. 0.98% 611,608 $4.0M New
REPL Replimune Group Inc. 0.86% 355,640 $3.5M New
ZBIO Zenas Biopharma Inc. 0.58% 295,148 $2.3M Add +57.7%
OM Outset Medical Inc. 0.46% 166,666 $1.8M New
KYTX Kyverna Therapeutics Inc. 0.28% 586,909 $1.1M No change
MGX Metagenomi Therapeutics Inc. 0.18% 528,993 $719K No change
MERSANA THERAPEUTICS INC 0.15% 1,705,036 $587K No change
FULC Fulcrum Therapeutics Inc. 0.14% 202,139 $582K New
KPTI Karyopharm Therapeutics Inc. 0.14% 155,622 $582K No change
HYPR Hyperfine Inc. 0.14% 760,035 $544K No change
ATAIBECKLEY INC filed as ATAI LIFE SCIENCES NV 0.07% 196,858 $268K No change
GUTS Fractyl Health Inc. 0.06% 214,236 $255K No change
SENSEI BIOTHERAPEUTICS INC 0.03% 294,374 $116K No change

Options reported separately and not counted above: SOLENO THERAPEUTICS INC calls ($6.5M), ARCUTIS BIOTHERAPEUTICS INC puts ($1.3M).

Portfolio Sells Q4 2024 → Q1 2025

BMY Bristol-Myers Squibb Co. Sold out 0.00% −6.18
BPMC Blueprint Medicines Corp. Sold out 0.00% −5.43
NVST Envista Holdings Corp. Sold out 0.00% −4.30
EXAS Exact Sciences Corp. Sold out 0.00% −3.80
MASI Masimo Corp. Sold out 0.00% −3.16
IRON Disc Medicine Inc. Sold out 0.00% −2.49
ADMA Adma Biologics Inc. Sold out 0.00% −1.92
NARI Inari Medical Inc. Sold out 0.00% −1.48
LIVN Livanova PLC Reduce -25.5% 3.72% −1.47
BSX Boston Scientific Corp. Sold out 0.00% −1.42
QURE Uniqure NV Reduce -7.9% 2.18% −1.30
KROS Keros Therapeutics Inc. Reduce -4.4% 0.98% −0.43
ISRG Intuitive Surgical Inc. Reduce -1.1% 4.48% +0.27
ASND Ascendis Pharma A/S Reduce -9.3% 7.56% +1.06
SWTX Springworks Therapeutics Inc. Reduce -0.8% 8.30% +2.26

Portfolio Buys Q4 2024 → Q1 2025

SNDX Syndax Pharmaceuticals Inc. New 5.28% +5.28
LLY Eli Lilly & Co. New 4.85% +4.85
BDX Becton Dickinson and Co. Add +37.2% 11.58% +4.21
INSP Inspire Medical Systems Inc. New 3.39% +3.39
BBIO Bridgebio Pharma Inc. Add +7.2% 8.25% +2.86
SLNO Soleno Therapeutics Inc. New 2.85% +2.85
EW Edwards Lifesciences Corp. Add +30.8% 7.83% +2.43
REGN Regeneron Pharmaceuticals New 1.93% +1.93
VCYT Veracyte Inc. Add +55.4% 5.60% +1.35
CYTK Cytokinetics Inc. Add +28.0% 5.84% +1.13
ADPT Adaptive Biotechnologies New 1.13% +1.13
MLTX Moonlake Immunotherapeutics New 1.11% +1.11
VIR Vir Biotechnology Inc. New 0.98% +0.98
REPL Replimune Group Inc. New 0.86% +0.86
OM Outset Medical Inc. New 0.46% +0.46
ZBIO Zenas Biopharma Inc. Add +57.7% 0.58% +0.24
FULC Fulcrum Therapeutics Inc. New 0.14% +0.14
GPCR Structure Therapeutics Inc. Add +23.8% 3.02% −0.35

Options Activity Q4 2024 → Q1 2025

SOLENO THERAPEUTICS INC call New 100,000 $6.5M
ARCUTIS BIOTHERAPEUTICS INC put New 100,000 $1.3M

Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 39$532.1MAVLN, JNJ, GILD, BBIO, SNDX
Q1 2026 41$478.7MDNTH, BBIO, ASND, BMY, SNDX
Q4 2025Amended 45$565.8MGILD, BMY, BSX, BBIO, LLY
Q3 2025 38$540.9MLLY, ABBV, BBIO, ISRG, ASND
Q2 2025 40$476.9MLLY, BBIO, SLNO, ASND, ISRG
Q1 2025 35$403.4MBDX, SWTX, BBIO, EW, ASND
Q4 2024 33$457.1MBDX, ASND, BMY, SWTX, BPMC