Avoro Capital Advisors LLC

In its 13F for Q4 2025 (holdings as of December 31, 2025, filed March 16, 2026), Avoro Capital Advisors LLC reported 33 stock positions worth $10.2 billion. Its top holding was United Therapeutics (UTHR) at 12.5% of the portfolio, followed by Ascendis Pharma A/S (ASND, 10.7%) and Madrigal Pharmaceuticals (MDGL, 10.3%). Compared with Q3 2025, it opened 11 new positions, sold out of 8, added to 10 and reduced 6. The biggest buy was a new position in Celcuity (CELC) and the biggest sale an exit from Merus (MRUS).

Most Recent 13F
Q2 2026
Location
NEW YORK, NY
CIK
0001633313
Portfolio Value
$10.2B (Q4 2025)
SEC Filing
0001104659-26-027799 ↗ filed Mar 16, 2026

Holdings Value

0$5.0B$10.0B$15.0B Q1 2024: $8.6B Q1 2024 Q2 2024: $7.5B Q2 2024 Q3 2024: $6.9B Q3 2024 Q4 2024: $7.1B Q4 2024 Q1 2025: $6.4B Q1 2025 Q2 2025: $5.7B Q2 2025 Q3 2025: $7.7B Q3 2025 Q4 2025: $10.2B $10.2B Q4 2025 Q1 2026: $10.2B Q1 2026 Q2 2026: $11.1B Q2 2026

Holdings 33 stocks · $10.2B

UTHR United Therapeutics Corp. 12.48% 2,606,060 $1.3B Add +28.9%
ASND Ascendis Pharma A/S 10.71% 5,111,111 $1.1B Add +0.0%
MDGL Madrigal Pharmaceuticals Inc. 10.35% 1,807,500 $1.1B Reduce -1.4%
ARGX Argenx SE - ADR 8.18% 990,000 $832.5M No change
KRYS Krystal Biotech Inc. 7.00% 2,888,888 $712.2M Add +4.0%
ARWR Arrowhead Pharmaceuticals Inc. 6.93% 10,625,000 $705.4M Reduce -2.5%
KYMR Kymera Therapeutics Inc. 5.72% 7,474,747 $581.6M Add +17.7%
GPCR Structure Therapeutics Inc. 4.48% 6,555,555 $455.9M Add +27.2%
RNAM Avidity Biosciences Inc. 3.87% 5,455,000 $393.5M Reduce -28.6%
CNTA Centessa Pharmaceuticals Ltd. 3.58% 14,555,555 $364.0M Add +34.7%
CELC Celcuity Inc. 3.05% 3,111,111 $310.3M New
APLS Apellis Pharmaceuticals Inc. 3.02% 12,222,222 $307.0M No change
VERA Vera Therapeutics Inc. 2.93% 5,888,888 $298.2M Reduce -5.2%
XBI SS SPDR S&P Biotech ETF 2.52% 2,100,000 $256.1M New
XENE Xenon Pharmaceuticals Inc. 2.39% 5,424,444 $243.1M Add +0.5%
TERN Terns Pharmaceuticals Inc. 1.73% 4,350,000 $175.7M New
RVMD Revolution Medicines Inc. 1.70% 2,170,000 $172.8M New
QURE Uniqure NV 1.45% 6,150,000 $147.2M Add +38.4%
SLNO Soleno Therapeutics Inc. 1.32% 2,900,000 $134.3M Add +12.5%
OCUL Ocular Therapeutix Inc. 1.29% 10,777,777 $130.8M Add +5.2%
TSHA Taysha Gene Therapies Inc. 1.17% 21,700,000 $119.3M No change
MIND MEDICINE MINDMED INC 0.66% 5,000,000 $67.0M New
PTCT PTC Therapeutics Inc. 0.51% 685,000 $52.0M New
VRDN Viridian Therapeutics Inc. 0.46% 1,500,000 $46.7M New
ORKA Oruka Therapeutics Inc. 0.40% 1,333,340 $40.4M No change
ALKS Alkermes PLC 0.39% 1,400,000 $39.2M Reduce -37.5%
APGE Apogee Therapeutics Inc. 0.37% 500,000 $37.7M New
SEPN Septerna Inc. 0.37% 1,337,500 $37.3M No change
LXEO Lexeo Therapeutics Inc. 0.32% 3,300,000 $32.8M New
MNKD Mannkind Corp. 0.25% 4,444,444 $25.2M Reduce -0.6%
GHRS GH Research PLC 0.22% 1,800,000 $22.9M New
INCY Incyte Corp. 0.13% 135,000 $13.3M New
WHWK Whitehawk Therapeutics Inc. 0.07% 2,849,402 $6.9M No change

Options reported separately and not counted above: ASND calls ($625K).

Portfolio Sells Q3 2025 → Q4 2025

MRUS Merus NV Sold out 0.00% −4.31
AKRO Akero Therapeutics Inc. Sold out 0.00% −2.43
TRML Tourmaline Bio Inc. Sold out 0.00% −1.58
FOLD Amicus Therapeutics Inc. Sold out 0.00% −1.53
ETNB 89BIO Inc. Sold out 0.00% −1.21
MDGL Madrigal Pharmaceuticals Inc. Reduce -1.4% 10.35% −0.53
ALKS Alkermes PLC Reduce -37.5% 0.39% −0.48
RNAM Avidity Biosciences Inc. Reduce -28.6% 3.87% −0.44
MLTX Moonlake Immunotherapeutics Sold out 0.00% −0.19
BCRX Biocryst Pharmaceuticals Inc. Sold out 0.00% −0.12
MNKD Mannkind Corp. Reduce -0.6% 0.25% −0.06
TNGX Tango Therapeutics Inc. Sold out 0.00% −0.06
VERA Vera Therapeutics Inc. Reduce -5.2% 2.93% +0.60
ARWR Arrowhead Pharmaceuticals Inc. Reduce -2.5% 6.93% +2.07

Portfolio Buys Q3 2025 → Q4 2025

CELC Celcuity Inc. New 3.05% +3.05
GPCR Structure Therapeutics Inc. Add +27.2% 4.48% +2.61
XBI SS SPDR S&P Biotech ETF New 2.52% +2.52
TERN Terns Pharmaceuticals Inc. New 1.73% +1.73
RVMD Revolution Medicines Inc. New 1.70% +1.70
UTHR United Therapeutics Corp. Add +28.9% 12.48% +1.51
KYMR Kymera Therapeutics Inc. Add +17.7% 5.72% +1.07
MIND MEDICINE MINDMED INC New 0.66% +0.66
KRYS Krystal Biotech Inc. Add +4.0% 7.00% +0.66
PTCT PTC Therapeutics Inc. New 0.51% +0.51
VRDN Viridian Therapeutics Inc. New 0.46% +0.46
APGE Apogee Therapeutics Inc. New 0.37% +0.37
LXEO Lexeo Therapeutics Inc. New 0.32% +0.32
GHRS GH Research PLC New 0.22% +0.22
CNTA Centessa Pharmaceuticals Ltd. Add +34.7% 3.58% +0.19
INCY Incyte Corp. New 0.13% +0.13
OCUL Ocular Therapeutix Inc. Add +5.2% 1.29% −0.26
XENE Xenon Pharmaceuticals Inc. Add +0.5% 2.39% −0.42
SLNO Soleno Therapeutics Inc. Add +12.5% 1.32% −0.93
QURE Uniqure NV Add +38.4% 1.45% −1.91
ASND Ascendis Pharma A/S Add +0.0% 10.71% −2.43

Options Activity Q3 2025 → Q4 2025

UTHR United Therapeutics Corp. call Sold out 200,000 $4.4Mbefore exit
GPCR Structure Therapeutics Inc. call Sold out 250,000 $2.2Mbefore exit
ASND Ascendis Pharma A/S call New 50,000 $625K

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 26$11.1BUTHR, ASND, KRYS, MDGL, ARGX
Q1 2026 30$10.2BUTHR, ASND, MDGL, KRYS, ARGX
Q4 2025Amended 33$10.2BUTHR, ASND, MDGL, ARGX, KRYS
Q3 2025 30$7.7BASND, UTHR, MDGL, ARGX, KRYS
Q2 2025 30$5.7BASND, UTHR, ARGX, MDGL, KRYS
Q1 2025 33$6.4BUTHR, ASND, ARGX, MDGL, KRYS
Q4 2024 39$7.1BUTHR, ARGX, ASND, MDGL, KRYS
Q3 2024 35$6.9BUTHR, ASND, ARGX, KRYS, MDGL
Q2 2024 41$7.5BUTHR, MDGL, ASND, ARGX, SRPT
Q1 2024 46$8.6BUTHR, APLS, ASND, SRPT, MDGL