Login
Super Investors Bronte Capital Management Pty Ltd.
BC

Bronte Capital Management Pty Ltd.

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$931M
Positions
57
Quarter ended
June 30, 2026
Filed
August 05, 2026

Reported portfolio value by quarter (31 quarters reported)

$1.52B $251M
Q4 18 Q3 20 Q2 22 Q1 24 Q4 25 Q2 26

$251M in Q4 2018 → $931M now. Hover for any quarter.

Holdings

As reported for the quarter ended June 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
Alphabet Inc 11.7% Trimmed 20% 305,165 $109M
Regeneron Pharmaceuticals 10.9% Trimmed 5.9% 162,618 $101M
Interactive Brokers Group 8.3% Trimmed 31% 883,526 $76.9M
VI Visa Inc-class A Shares 8.1% Trimmed 8.1% 219,914 $75.5M
BH Berkshire Hathaway Inc Del 7.8% Trimmed 5.9% 145,847 $73M
Amazon Com Inc 6.7% Trimmed 8.5% 261,433 $62.3M
PM Philip Morris Intl Inc 5.8% Trimmed 12% 300,176 $54.3M
Regeneron Pharmaceuticals Call 4.6% Unchanged 68,600 $42.8M
Corteva Inc 4.2% Trimmed 9.2% 456,656 $38.7M
CO Capital One Finl Corp 3.7% Trimmed 7.4% 173,523 $34.8M
DW Disney Walt Co 3.7% Added 94% 360,243 $34.7M
FC First Ctzns Bancshares Inc N 3.2% Trimmed 14% 14,179 $29.5M
Bbb Foods Inc 2.4% Added 9.4% 533,151 $22.2M
Aurora Innovation Inc 1.6% Trimmed 5.7% 2,186,821 $14.9M
VE Vaneck ETF Trust 1.6% Trimmed 7.9% 191,580 $14.5M
Sotera Health Co 1.5% Trimmed 5.5% 797,138 $14.1M
Nektar Therapeutics 1.5% Added 0.1% 198,434 $13.9M
GH Graham Hldgs Co 1.4% Trimmed 10% 11,454 $13.1M
IT Ishares Tr 1.3% Trimmed 5.0% 65,807 $12.5M
Brown Forman Corp 1.3% New 464,313 $12.4M
Alnylam Pharmaceuticals Inc 1.1% Trimmed 5.0% 35,384 $10.7M
SQ Sociedad Quimica Y Minera De 0.9% Trimmed 5.0% 116,308 $8.61M
Global E Online Ltd 0.8% Added 6.8% 227,644 $7.91M
Newmont Corp 0.7% Trimmed 7.8% 69,494 $6.49M
BM Barrick Mng Corp 0.6% Trimmed 7.8% 146,359 $5.38M
LH Liveramp Hldgs Inc 0.5% Trimmed 43% 128,348 $4.83M
HN Herbalife Nutrition Ltd 0.5% Trimmed 66% 323,386 $4.25M
Revolution Medicines Inc 0.4% New 18,780 $3.52M
TP Turning Pt Brands Inc 0.4% Trimmed 5.0% 40,721 $3.45M
IT Ishares Tr 0.4% New 23,004 $3.41M
Bath & Body Works Inc 0.4% Trimmed 7.5% 143,800 $3.33M
MI Mondelez Intl Inc 0.3% Trimmed 4.9% 53,234 $3.08M
Riskified Ltd 0.3% Added 20% 588,251 $2.96M
Brown Forman Corp 0.3% Trimmed 5.0% 95,365 $2.61M
Tyler Technologies Inc 0.3% New 8,302 $2.43M
VE Vaneck ETF Trust 0.3% Trimmed 7.5% 24,568 $2.41M
PH Paylocity Hldg Corp 0.2% Trimmed 51% 17,874 $1.87M
Nice Ltd 0.2% Trimmed 4.1% 16,396 $1.49M
Universal Display Corp 0.1% Trimmed 7.7% 10,269 $889K
Verisk Analytics Inc 0.1% Trimmed 7.6% 2,682 $481K
Enovix Corporation 0.0% Added 262% 41,765 $92.9K
TM Treace Med Concepts Inc 0.0% New 15,577 $62K
Fate Therapeutics Inc 0.0% Trimmed 4.9% 21,740 $58.7K
An2 Therapeutics Inc 0.0% New 10,895 $52.7K
C4 Therapeutics Inc 0.0% Added 3.1% 10,349 $48.3K
AO Alx Oncology Hldgs Inc 0.0% New 18,095 $37.5K
Blend Labs Inc 0.0% New 19,247 $32.9K
Pepgen Inc 0.0% New 17,776 $32K
Commerce.com Inc 0.0% New 10,278 $30.4K
PB Pacific Biosciences Calif In 0.0% New 17,881 $30K
Acumen Pharmaceuticals Inc 0.0% New 10,716 $28.6K
Seer Inc 0.0% New 15,109 $25.1K
Alector Inc 0.0% Trimmed 39% 11,758 $23.6K
Novabridge Biosciences 0.0% New 11,192 $21.8K
Coherus Oncology Inc 0.0% Trimmed 21% 15,262 $21.4K
MP Milestone Pharmaceuticals In 0.0% Added 38% 14,390 $19.3K
Gossamer Bio Inc 0.0% New 67,754 $11.2K

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q2 2026

quarter ended June 30, 2026 · filed August 05, 2026

Company Action Shares changed Value of change % of portfolio
Interactive Brokers Group Trimmed −398,205 −$34.7M 8.3%
Alphabet Inc Trimmed −76,325 −$27.3M 11.7%
DW Disney Walt Co Added +174,566 +$16.8M 3.7%
Nektar Therapeutics Exited −202,500 −$14.6M —
Brown Forman Corp Exited −493,902 −$13.1M —
Brown Forman Corp New +464,313 +$12.4M 1.3%
IT Ishares Tr Exited −37,542 −$11.8M —
HN Herbalife Nutrition Ltd Trimmed −616,540 −$8.11M 0.5%
Pinterest Inc Exited −430,950 −$7.9M —
PM Philip Morris Intl Inc Trimmed −40,922 −$7.4M 5.8%

Showing the 10 largest of 68 changes.

Q1 2026

quarter ended March 31, 2026 · filed April 27, 2026

Company Action Shares changed Value of change % of portfolio
DW Disney Walt Co New +185,677 +$17.9M 1.8%
Nektar Therapeutics New +202,500 +$14.6M 1.4%
Nektar Therapeutics New +198,256 +$14.3M 1.4%
Interactive Brokers Group Trimmed −204,563 −$13.7M 8.5%
Brown Forman Corp New +493,902 +$13.1M 1.3%
IT Ishares Tr New +37,542 +$11.8M 1.2%
Alphabet Inc Trimmed −34,473 −$9.91M 10.9%
Aurora Innovation Inc New +2,318,748 +$9.55M 0.9%
PM Philip Morris Intl Inc Trimmed −57,458 −$9.5M 5.6%
Regeneron Pharmaceuticals Added +9,300 +$7.18M 5.2%

Showing the 10 largest of 44 changes.

Q4 2025

quarter ended December 31, 2025 · filed February 03, 2026

Company Action Shares changed Value of change % of portfolio
Regeneron Pharmaceuticals New +59,300 +$45.8M 4.6%
IT Ishares Tr Trimmed −209,072 −$35.3M 1.2%
CO Capital One Finl Corp Trimmed −88,569 −$21.5M 4.2%
Interactive Brokers Group Trimmed −274,877 −$17.7M 9.5%
Abivax Sa Exited −156,747 −$14.9M —
VE Vaneck ETF Trust Trimmed −123,103 −$14M 0.3%
Bbb Foods Inc New +394,158 +$13.2M 1.3%
IT Ishares Tr Exited −95,350 −$12.7M —
VE Vaneck ETF Trust Trimmed −89,556 −$7.68M 1.9%
FC First Ctzns Bancshares Inc N Trimmed −3,548 −$7.61M 3.7%

Showing the 10 largest of 46 changes.

Q3 2025

quarter ended September 30, 2025 · filed November 05, 2025

Company Action Shares changed Value of change % of portfolio
IT Ishares Tr Trimmed −460,595 −$61.2M 1.1%
Interactive Brokers Group Trimmed −643,478 −$49.5M 12.1%
BH Berkshire Hathaway Inc Del Trimmed −45,576 −$25.6M 8.8%
Alphabet Inc Trimmed −88,909 −$24.2M 10.4%
Amazon Com Inc Trimmed −96,891 −$23.8M 6.4%
PM Philip Morris Intl Inc Trimmed −123,451 −$22.4M 6.8%
CO Capital One Finl Corp Trimmed −82,841 −$19.7M 5.6%
Alnylam Pharmaceuticals Inc New +34,974 +$17.8M 1.6%
Abivax Sa New +156,747 +$14.9M 1.3%
VI Visa Inc-class A Shares Trimmed −33,401 −$12.7M 8.1%

Showing the 10 largest of 31 changes.

Q2 2025

quarter ended June 30, 2025 · filed August 12, 2025

Company Action Shares changed Value of change % of portfolio
Interactive Brokers Group Added +1,878,065 +$117M 11.8%
IT Ishares Tr Trimmed −742,433 −$86.8M 5.1%
CO Capital One Finl Corp New +346,950 +$83.2M 6.5%
DF Discover Finl Svcs Exited −299,914 −$59.9M —
MG Match Group Inc New Exited −690,818 −$25.2M —
Regeneron Pharmaceuticals Added +33,177 +$19.6M 8.7%
VI Visa Inc-class A Shares Added +33,950 +$13.6M 8.5%
Amazon Com Inc Added +48,158 +$11.9M 7.5%
Corteva Inc Added +76,388 +$6.42M 4.3%
FC First Ctzns Bancshares Inc N Added +2,887 +$6.36M 4.2%

Showing the 10 largest of 29 changes.

Q1 2025

quarter ended March 31, 2025 · filed May 14, 2025

Company Action Shares changed Value of change % of portfolio
IT Ishares Tr Trimmed −115,034 −$13.7M 12.6%
Interactive Brokers Group Trimmed −68,460 −$13.3M 8.3%
MG Match Group Inc New Trimmed −351,796 −$12.8M 2.0%
SB Sally Beauty Hldgs Inc New +1,122,066 +$11.9M 1.0%
HN Herbalife Nutrition Ltd Added +960,907 +$9.7M 2.1%
PM Philip Morris Intl Inc Added +21,737 +$4.05M 7.8%
Regeneron Pharmaceuticals Added +1,910 +$1.42M 9.3%
BH Berkshire Hathaway Inc Del Trimmed −1,805 −$1.12M 11.0%
VI Visa Inc-class A Shares Trimmed −1,957 −$802K 7.8%
Alphabet Inc Trimmed −4,384 −$793K 7.8%

Showing the 10 largest of 26 changes.

Q4 2024

quarter ended December 31, 2024 · filed February 10, 2025

Company Action Shares changed Value of change % of portfolio
Alphabet Inc Trimmed −352,997 −$78.4M 9.4%
IT Ishares Tr Added +507,235 +$67.2M 14.8%
BH Berkshire Hathaway Inc Del Trimmed −111,419 −$59.2M 9.2%
Interactive Brokers Group Trimmed −238,583 −$49.4M 9.7%
VI Visa Inc-class A Shares Trimmed −47,093 −$17.4M 6.9%
Regeneron Pharmaceuticals Added +15,741 +$13.2M 10.1%
Amazon Com Inc Trimmed −39,488 −$10.2M 7.0%
MG Match Group Inc New Trimmed −264,537 −$10.1M 3.2%
Vertex Pharmaceuticals Inc Exited −19,856 −$9.23M —
Pinterest Inc Trimmed −267,065 −$9.08M 2.3%

Showing the 10 largest of 25 changes.

Q3 2024

quarter ended September 30, 2024 · filed November 05, 2024

Company Action Shares changed Value of change % of portfolio
Hibbett Inc Exited −605,382 −$52.8M —
Alphabet Inc Trimmed −116,571 −$19.3M 12.0%
Pinterest Inc Trimmed −233,598 −$7.56M 2.9%
MG Match Group Inc New Added +176,915 +$6.69M 4.0%
Biontech Se Exited −77,292 −$6.21M —
BH Berkshire Hathaway Inc Del Trimmed −9,779 −$4.5M 12.4%
Interactive Brokers Group Added +23,828 +$3.32M 9.4%
Regeneron Pharmaceuticals Trimmed −2,412 −$2.54M 11.7%
GH Graham Hldgs Co Trimmed −2,080 −$1.71M 1.3%
Bath & Body Works Inc Trimmed −47,602 −$1.52M 0.3%

Showing the 10 largest of 28 changes.

Create Account

Sign up for free to unlock this feature.

Already have an account? Sign in

Premium Feature

This feature requires a premium subscription to unlock unlimited historical data and advanced analysis tools.

Premium includes:

  • Unlimited historical financial data
  • Advanced analytics and insights
  • Priority support