13F

Investor

Bronte Capital Management Pty Ltd.

CIK 0001471085 · filed 2026-04-27 · SEC filing

13F book

$1.01B

Positions

51

9 new · 1 sold

Largest name

13.2%

Regeneron Pharmaceuticals, Inc. · REGN

Est. mark

−$37.7M

Price effect on 42 names still held. Flow $21.8M.
NameTickerSharesValueWeightEst. markChange
Regeneron Pharmaceuticals, Inc.REGN172.8K$133.5M13.2%$133KCut−$2.94M
Alphabet Inc381.5K$109.7M10.9%−$9.71MCut−$20.5M
Interactive Brokers Group In1.28M$86M8.5%$3.54MCut−$9.62M
Berkshire Hathaway Inc Del155.1K$74.3M7.4%−$3.64MCut−$7.29M
Visa Inc-Class A Shares239.4K$72.3M7.2%−$11.4MAdded−$10.1M
Amazon Com IncAMZN285.7K$59.5M5.9%−$6.26MAdded−$4.57M
Philip Morris Intl Inc341.1K$56.4M5.6%$1.69MCut−$7.53M
Corteva, Inc.CTVA502.8K$42.1M4.2%$8.39MCut$3.95M
Capital One Finl Corp187.4K$34.2M3.4%−$10.5MAdded−$8.36M
First Ctzns Bancshares Inc D16.5K$31.1M3.1%−$4.31MCut−$5.56M
Vaneck Etf Trust208.1K$19.1M1.9%$1.25MCut$427.8K
Disney Walt Co185.7K$17.9M1.8%New
Bbb Foods IncTBBB487.6K$17.2M1.7%$780.4KAdded$4.08M
Nektar TherapeuticsNKTR198.3K$14.3M1.4%New
Herbalife Ltd.HLF939.9K$13.8M1.4%$1.72MCut−$603.3K
Graham Hldgs Co12.8K$13.5M1.3%−$528.5KCut−$1.15M
Brown Forman Corp493.9K$13.1M1.3%New
Alnylam Pharmaceuticals, Inc.ALNY37.2K$12.3M1.2%−$2.49MCut−$3.13M
Sotera Health CoSHC843.7K$12.1M1.2%−$2.78MCut−$3.33M
Ishares Tr37.5K$11.8M1.2%New
Ishares Tr69.3K$11.7M1.2%$5.54KCut−$515.1K
Sociedad Quimica Y Minera De122.4K$9.91M1.0%$1.49MCut−$1.34M
Aurora Innovation Inc2.32M$9.55M0.9%New
Newmont Corp75.4K$8.16M0.8%$633.4KCut$389K
Pinterest, Inc.PINS430.9K$7.9M0.8%−$3.25MCut−$5.36M
Global-E Online Ltd.GLBE213.1K$6.57M0.7%New
Barrick Mng Corp158.7K$6.48M0.6%−$438.1KCut−$704.4K
Liveramp Hldgs Inc223.2K$5.92M0.6%−$636.2KCut−$894K
Paylocity Hldg Corp36.6K$3.96M0.4%New
Turning Pt Brands Inc42.9K$3.72M0.4%−$526.7KAdded$1.08M
Mondelez Intl Inc56K$3.23M0.3%$213.3KCut−$248.2K
Vaneck Etf Trust26.6K$3.19M0.3%$166.3KCut$30.1K
Sally Beauty Hldgs Inc220.7K$3.06M0.3%−$90.5KCut−$7.46M
Bath & Body Works, Inc.BBWI155.5K$2.9M0.3%−$219.3KCut−$2.21M
Brown Forman Corp100.4K$2.69M0.3%New
James Riv Group Holdings Inc339K$2.14M0.2%−$7.41KAdded$1.35M
Riskified Ltd.RSKD488.5K$1.91M0.2%−$512.9KCut−$638.1K
Nice Ltd17.1K$1.88M0.2%−$47.5KCut−$412.7K
Universal Display Corp11.1K$1.02M0.1%−$279.4KCut−$341.5K
Verisk Analytics, Inc.VRSK2.9K$550.7K0.1%New
Enovix CorpENVX11.6K$59.8K0.0%−$24.6KHeld
Alector, Inc.ALEC19.3K$41.5K0.0%$11.4KHeld
Coherus Oncology, Inc.CHRS19.3K$32.6K0.0%$5.21KHeld
Caribou Biosciences, Inc.CRBU15.6K$29.7K0.0%$4.84KHeld
Fate Therapeutics IncFATE22.9K$27.4K0.0%$4.97KHeld
C4 Therapeutics, Inc.CCCC10K$26.4K0.0%$7.22KHeld
Pliant Therapeutics, Inc.PLRX18.6K$23.5K0.0%$744Held
Invivyd, Inc.IVVD11K$14.3K0.0%−$12.9KHeld
Milestone Pharmaceuticals In10.4K$12.4K0.0%−$8.64KHeld
Rani Therapeutics Hldgs Inc14.9K$10.9K0.0%−$9.15KHeld
Fractyl Health, Inc.GUTS16.9K$7.74K0.0%−$29.5KHeld

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.