Darwin Global Management, Ltd.

In its 13F for Q1 2024 (holdings as of March 31, 2024, filed May 15, 2024), Darwin Global Management, Ltd. reported 12 stock positions worth $751.2 million. Its top holding was Vaxcyte (PCVX) at 25.0% of the portfolio, followed by Nuvalent Class A (NUVL, 14.4%) and Keros Therapeutics (KROS, 12.7%). Compared with Q4 2023, it opened 9 new positions, sold out of 5 and added to 3. The biggest buy was Vaxcyte (PCVX, shares +374%) and the biggest sale an exit from New Ambrx Biopharma (AMAM).

Most Recent 13F
Q2 2026
Location
ST. HELIER, Y9
CIK
0001839209
Portfolio Value
$751.2M (Q1 2024)
SEC Filing
0001892688-24-000066 ↗ filed May 15, 2024

Holdings Value

0$1.0B$2.0B$3.0B$4.0B$5.0B Q1 2024: $751.2M $751.2M Q1 2024 Q2 2024: $859.5M Q2 2024 Q3 2024: $1.2B Q3 2024 Q4 2024: $1.1B Q4 2024 Q1 2025: $1.5B Q1 2025 Q2 2025: $2.4B Q2 2025 Q3 2025: $3.6B Q3 2025 Q4 2025: $4.9B Q4 2025 Q1 2026: $3.8B Q1 2026 Q2 2026: $3.8B Q2 2026

Holdings 12 stocks · $751.2M

PCVX Vaxcyte Inc. 25.02% 2,750,804 $187.9M Add +374.3%
NUVL Nuvalent Inc. Class A 14.36% 1,436,964 $107.9M Add +2390.5%
KROS Keros Therapeutics Inc. 12.65% 1,435,950 $95.1M Add +35.4%
BHVN Biohaven Ltd. 10.75% 1,476,974 $80.8M New
ALPN Alpine Immune Sciences Inc. 10.46% 1,982,016 $78.6M New
BEAM Beam Therapeutics Inc. 9.32% 2,119,598 $70.0M New
APGE Apogee Therapeutics Inc. 7.36% 832,198 $55.3M New
XNCR Xencor Inc. 3.27% 1,109,650 $24.6M New
SYRE Spyre Therapeutics Inc. 2.39% 473,200 $17.9M New
ELEV Elevation Oncology Inc. 1.59% 2,332,928 $12.0M New
TRML Tourmaline Bio Inc. 1.42% 465,000 $10.6M New
MRK Merck & Co. Inc. 1.40% 79,600 $10.5M New

Portfolio Sells Q4 2023 → Q1 2024

AMAM New Ambrx Biopharma Inc. Sold out 0.00% −46.64
TGTX TG Therapeutics Inc. Sold out 0.00% −13.57
MLTX Moonlake Immunotherapeutics Sold out 0.00% −12.32
CYTK Cytokinetics Inc. Sold out 0.00% −9.83
SWTX Springworks Therapeutics Inc. Sold out 0.00% −1.38

Portfolio Buys Q4 2023 → Q1 2024

PCVX Vaxcyte Inc. Add +374.3% 25.02% +17.87
NUVL Nuvalent Inc. Class A Add +2390.5% 14.36% +13.53
BHVN Biohaven Ltd. New 10.75% +10.75
ALPN Alpine Immune Sciences Inc. New 10.46% +10.46
BEAM Beam Therapeutics Inc. New 9.32% +9.32
APGE Apogee Therapeutics Inc. New 7.36% +7.36
KROS Keros Therapeutics Inc. Add +35.4% 12.65% +4.38
XNCR Xencor Inc. New 3.27% +3.27
SYRE Spyre Therapeutics Inc. New 2.39% +2.39
ELEV Elevation Oncology Inc. New 1.59% +1.59
TRML Tourmaline Bio Inc. New 1.42% +1.42
MRK Merck & Co. Inc. New 1.40% +1.40

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 5$3.8BRVMD, INSM, BLTE, ABVX, ROIV
Q1 2026 6$3.8BINSM, BLTE, ABVX, RVMD, ROIV
Q4 2025 6$4.9BINSM, BLTE, ABVX, CDTX, WVE
Q3 2025 5$3.6BINSM, UTHR, ABVX, CDTX, QURE
Q2 2025 5$2.4BINSM, VRNA, CDTX, MRUS, ALLO
Q1 2025 3$1.5BINSM, VRNA, ALLO
Q4 2024 6$1.1BINSM, JAZZ, VRNA, GERN, KROS
Q3 2024 5$1.2BINSM, PCVX, GERN, KROS, SMMT
Q2 2024 9$859.5MCYTK, INSM, PCVX, GERN, KROS
Q1 2024 12$751.2MPCVX, NUVL, KROS, BHVN, ALPN