Bronte Capital Management Pty Ltd. reported 50 positions worth $765.90M for the quarter ended Jun 30, 2026, down 4.0% on the prior quarter. It opened 14 new positions, added to 8, trimmed 28 and exited 8. Its largest holding is Alphabet Inc. at 14.2% of the portfolio.
Reported 13F market value at each quarter end. A change mixes trading with price moves in the positions held.
Dollar value of shares bought and sold each quarter, at that quarter’s price. It counts trading only, not price changes.
How many positions were opened, added to, trimmed or closed each quarter.
Share of reported value in each sector at every quarter end.
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| DIS Walt Disney Co | +174.6K | +94.0% | $16.80M | 4.53% |
| BF-B Brown Forman Corp | +464.3K | – | $12.37M | 1.62% |
| RVMD Revolution Medicines, Inc. | +18.8K | – | $3.52M | 0.459% |
| TYL Tyler Technologies Inc | +8,302 | – | $2.43M | 0.317% |
| TBBB Bbb Foods Inc | +45.6K | +9.4% | $1.90M | 2.9% |
| GLBE Global-E Online Ltd. | +14.5K | +6.8% | $505.04K | 1.03% |
| RSKD Riskified Ltd. | +99.8K | +20.4% | $502.84K | 0.387% |
| ENVX Enovix Corp | +30.2K | +261.6% | $67.21K | 0.012% |
| TMCI Treace Medical Concepts, Inc. | +15.6K | – | $62.00K | <0.01% |
| ANTX AN2 Therapeutics, Inc. | +10.9K | – | $52.73K | <0.01% |
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| IBKR Interactive Brokers Group, Inc. | -398.2K | -31.1% | $34.66M | 10.04% |
| GOOGL Alphabet Inc. | -76.3K | -20.0% | $27.28M | 14.24% |
| HLF Herbalife Ltd. | -616.5K | -65.6% | $8.11M | 0.555% |
| PINS Pinterest, Inc. | -431.0K | -100.0% | $7.90M | Exited |
| PM Philip Morris International Inc. | -40.9K | -12.0% | $7.40M | 7.09% |
| REGN Regeneron Pharmaceuticals, Inc. | -10.2K | -5.9% | $6.34M | 13.24% |
| AMZN Amazon Com Inc | -24.3K | -8.5% | $5.79M | 8.14% |
| FCNCA First Citizens Bancshares Inc | -2,313 | -14.0% | $4.81M | 3.85% |
| BRK-B Berkshire Hathaway Inc | -9,216 | -5.9% | $4.61M | 9.53% |
| CTVA Corteva, Inc. | -46.1K | -9.2% | $3.91M | 5.05% |
| Holding | Shares | Trade Value | Weight |
|---|---|---|---|
| BF-B Brown Forman Corp | +464.3K | $12.37M | 1.62% |
| RVMD Revolution Medicines, Inc. | +18.8K | $3.52M | 0.459% |
| TYL Tyler Technologies Inc | +8,302 | $2.43M | 0.317% |
| TMCI Treace Medical Concepts, Inc. | +15.6K | $62.00K | <0.01% |
| ANTX AN2 Therapeutics, Inc. | +10.9K | $52.73K | <0.01% |
| ALXO Alx Oncology Holdings Inc | +18.1K | $37.46K | <0.01% |
| BLND Blend Labs, Inc. | +19.2K | $32.91K | <0.01% |
| PEPG PepGen Inc. | +17.8K | $32.00K | <0.01% |
| CMRC Commerce.com, Inc. | +10.3K | $30.42K | <0.01% |
| PACB Pacific Biosciences Of California, Inc. | +17.9K | $30.04K | <0.01% |
| Holding | Shares Sold | Trade Value | Prior Weight |
|---|---|---|---|
| PINS Pinterest, Inc. | -431.0K | $7.90M | 0.991% |
| SBH Sally Beauty Holdings, Inc. | -220.7K | $3.06M | 0.383% |
| JRVR James River Group Holdings, Inc. | -339.0K | $2.14M | 0.268% |
| CRBU Caribou Biosciences, Inc. | -15.6K | $29.69K | <0.01% |
| PLRX Pliant Therapeutics, Inc. | -18.6K | $23.45K | <0.01% |
| IVVD Invivyd, Inc. | -11.0K | $14.32K | <0.01% |
| RANI Rani Therapeutics Holdings, Inc. | -14.9K | $10.93K | <0.01% |
| GUTS Fractyl Health, Inc. | -1,409 | $7.74K | <0.01% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | GOOGL Alphabet Inc. | Technology | 305.2K | $109.06M | 14.24% | -76.3K | -20.0% | Reduced | 0% |
| 2 | REGN Regeneron Pharmaceuticals, Inc. | Healthcare | 162.6K | $101.40M | 13.24% | -10.2K | -5.9% | Reduced | 0.12% |
| 3 | IBKR Interactive Brokers Group, Inc. | Financial Services | 883.5K | $76.90M | 10.04% | -398.2K | -31.1% | Reduced | 0.2% |
| 4 | BRK-B Berkshire Hathaway Inc | Financial Services | 145.8K | $72.98M | 9.53% | -9,216 | -5.9% | Reduced | 0.01% |
| 5 | AMZN Amazon Com Inc | Consumer Discretionary | 261.4K | $62.31M | 8.14% | -24.3K | -8.5% | Reduced | 0% |
| 6 | PM Philip Morris International Inc. | Consumer Staples | 300.2K | $54.30M | 7.09% | -40.9K | -12.0% | Reduced | 0.02% |
| 7 | CTVA Corteva, Inc. | Basic Materials | 456.7K | $38.67M | 5.05% | -46.1K | -9.2% | Reduced | 0.07% |
| 8 | COF Capital One Financial Corp | Financial Services | 173.5K | $34.81M | 4.55% | -13.8K | -7.4% | Reduced | 0.03% |
| 9 | DIS Walt Disney Co | Communication Services | 360.2K | $34.67M | 4.53% | +174.6K | +94.0% | Added | 0.02% |
| 10 | FCNCA First Citizens Bancshares Inc | Financial Services | 14.2K | $29.50M | 3.85% | -2,313 | -14.0% | Reduced | 0.14% |
| 11 | TBBB Bbb Foods Inc | Consumer Staples | 533.2K | $22.22M | 2.9% | +45.6K | +9.4% | Added | 0.46% |
| 12 | AUR Aurora Innovation, Inc. | Technology | 2.19M | $14.91M | 1.95% | -131.9K | -5.7% | Reduced | 0.11% |
| 13 | NKTR Nektar Therapeutics | Healthcare | 198.4K | $13.85M | 1.81% | +178 | +0.1% | Added | 0.6% |
| 14 | GHC Graham Holdings Co | Consumer Discretionary | 11.5K | $13.07M | 1.71% | -1,331 | -10.4% | Reduced | 0.35% |
| 15 | BF-B Brown Forman Corp | Consumer Staples | 464.3K | $12.37M | 1.62% | +464.3K | – | New | 0.1% |
Tip. Select a row to see that position’s full history at Bronte Capital Management Pty.
As of its Q2 2026 13F filing, Bronte Capital Management Pty Ltd.’s five largest positions were Alphabet Inc. (GOOGL) at 14.2%, Regeneron Pharmaceuticals, Inc. (REGN) at 13.2%, Interactive Brokers Group, Inc. (IBKR) at 10.0%, Berkshire Hathaway Inc (BRK-B) at 9.5%, Amazon Com Inc (AMZN) at 8.1% of the reported portfolio.
Bronte Capital Management Pty Ltd. reported a 13F portfolio worth $765.90M across 50 positions for Q2 2026. That is down 4.0% from the previous quarter.
Its largest purchases by value were Walt Disney Co ($16.80M), Brown Forman Corp ($12.37M), Revolution Medicines, Inc. ($3.52M). It opened 14 new positions.
Its largest sales by value were Interactive Brokers Group, Inc. ($34.66M), Alphabet Inc. ($27.28M), Herbalife Ltd. ($8.11M). It exited 8 positions entirely.
From the Form 13F-HR reports Bronte Capital Management Pty Ltd. files with the SEC each quarter, within 45 days of quarter end. A 13F lists long positions in US-listed equities and options; it excludes short positions, cash, bonds and most non-US holdings.
13F data reflects long positions in US-listed equities and options as reported to the SEC up to 45 days after quarter end. It excludes short positions, cash, bonds and most non-US securities, so it is not a complete picture of a manager’s assets.