Funds › Bronte Capital Management Pty Ltd. › Q3 2025Bronte Capital Management Pty Ltd. 13F holdings, Q3 2025 Bronte Capital Management Pty Ltd. disclosed 29 US equity positions worth $1.1bn in its Q3 2025 13F filing. Its largest position is IBKR at 12.2% of the reported book, followed by GOOGL and REGN. Versus Q2 2025 it opened 3 new positions, added to 0, reduced 26 and exited 1.
$1.1bn Reported equity book Sum of the long US equity positions in the filing, at the values filed. Options are excluded.
29 Positions Distinct securities in the equity book with a reported value above zero. Options are excluded.
12.2% Largest position The largest single position as a share of the reported equity book.
76.6% Top 10 weight The ten largest positions together, as a share of the reported equity book.
14 Effective positions 1 / HHI of portfolio weights: the number of equal-weight positions the book behaves like.
31 Quarters on file since Q4 2018 Quarters for which this manager's 13F holdings are on record. Holdings Against Q2 2025: 3 new , 0 added , 26 reduced , 1 exited
29 rows
Stock Sector Weight Value Shares Δ shares Action IBKR INTERACTIVE BROKERS GROUP IN Financial Services 12.2% $135m 1.76m −27% reduced GOOGL ALPHABET INC Communication Services 10.4% $116m 427,139 −17% reduced REGN REGENERON PHARMACEUTICALS Healthcare 10.2% $113m 180,283 −4.0% reduced BRK/B BERKSHIRE HATHAWAY INC DEL – 8.8% $98.2m 174,728 −21% reduced VISA INC-CLASS A SHARES no ticker – 8.1% $90.0m 235,851 −12% reduced PM PHILIP MORRIS INTL INC Consumer Defensive 6.8% $75.7m 417,650 −23% reduced AMZN AMAZON COM INC Consumer Cyclical 6.4% $71.5m 291,265 −25% reduced COF CAPITAL ONE FINL CORP Financial Services 5.6% $62.7m 264,109 −24% reduced IBB ISHARES TR – 4.1% $45.4m 281,422 −4.7% reduced CTVA CORTEVA INC Basic Materials 3.9% $43.2m 571,018 −12% reduced FCNCA FIRST CTZNS BANCSHARES INC N Financial Services 3.7% $41.2m 20,620 −15% reduced VANECK ETF TRUST no ticker – 2.4% $26.2m 307,213 −2.2% reduced PINS PINTEREST INC Communication Services 2.1% $23.3m 649,282 −32% reduced SBH SALLY BEAUTY HLDGS INC Consumer Cyclical 1.8% $19.7m 1.08m −16% reduced ALNY ALNYLAM PHARMACEUTICALS INC Healthcare 1.6% $17.8m 34,974 – new GHC GRAHAM HLDGS CO Industrials 1.6% $17.6m 13,397 −28% reduced VANECK ETF TRUST no ticker – 1.5% $16.7m 150,866 −1.9% reduced SOTERA HEALTH CO no ticker – 1.4% $15.6m 885,462 −2.3% reduced ABVX ABIVAX SA Healthcare 1.3% $14.9m 156,747 – new HLF HERBALIFE LTD Consumer Defensive 1.2% $12.8m 1.36m −39% reduced IJR ISHARES TR – 1.1% $12.7m 95,350 −83% reduced SQM SOCIEDAD QUIMICA Y MINERA DE Basic Materials 0.7% $7.9m 164,587 −2.9% reduced B BARRICK MNG CORP Basic Materials 0.7% $7.8m 213,069 −6.8% reduced NEM NEWMONT CORP Basic Materials 0.7% $7.4m 78,015 −6.8% reduced RAMP LIVERAMP HLDGS INC Technology 0.6% $7.0m 231,395 −17% reduced MDLZ MONDELEZ INTL INC Consumer Defensive 0.4% $4.6m 65,871 −0.7% reduced BBWI BATH & BODY WORKS INC Consumer Cyclical 0.3% $3.3m 114,801 −10% reduced RSKD RISKIFIED LTD Technology 0.2% $2.7m 513,696 −3.4% reduced ENVX ENOVIX CORPORATION Industrials 0.01% $115k 11,550 – new
Exited since Q2 2025 1 row
Stock Prior weight Prior value GLOBAL BLUE GROUP HOLDING AG no ticker 0.07% $852k
Sector mix Unclassified 27.4% Financial Services 21.6% Healthcare 13.1% Communication Services 12.5% Consumer Cyclical 8.5% Consumer Defensive 8.4% Basic Materials 6.0% Industrials 1.6% Technology 0.9% Book over time Every quarter on file (31) Where Bronte Capital Management Pty Ltd. was early 3 rows
Stock First reported Entry rank Initial weight Peak weight Quarters held Status Stock since CTVA CORTEVA INC Q3 2019 4 of 165 6.7% 7.3% 28 Held at last filing, Q2 2026 +202% NEM NEWMONT CORP Q1 2020 12 of 170 3.1% 4.6% 15 Held at last filing, Q2 2026 +106% SHC SOTERA HEALTH CO Q3 2021 7 of 132 0.7% 2.4% 6 Exited by Q1 2023 −68%
Concentration and tenure
14.8% Median largest position, all quarters The largest single position as a share of the reported equity book.
79.8% Median top 10 weight, all quarters The ten largest positions together, as a share of the reported equity book.
Concentrated Style, by median largest position
3 Median completed holding, quarters