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Bronte Capital Management Pty Ltd.

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13F filer, CIK 1471085, Bondi Junction, Australia

Bronte Capital Management Pty Ltd. reported $1,002,593,755 across 44 holdings for the quarter ended 2025-12-31, in a 13F-HR filed 2026-02-03. Its ten largest share positions make up 80.64% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001471085-26-000001

Period
2025-12-31
Reported value
$1B
Holdings
44
Top 10 weight
80.64%
New
17
Sold out
3

Largest buys vs the previous quarter

SecurityShares changeApprox. value
TBBBnew+394,158$13.2M
BBWIadded+139,810$2.81M
FICOnew+1,567$2.65M
TPBnew+24,372$2.64M
NICEnew+20,322$2.3M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
IBBreduced-209,072-$35.3M
COFreduced-88,569-$21.5M
IBKRreduced-274,877-$17.7M
ABVXexited-156,747-$14.9M
VANECK ETF TRUSTreduced-123,103-$14M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q4 2025

Share positions as resolved from 13F-HR 0001471085-26-000001, largest first. % of portfolio is the value over $956,821,864, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
REGNREGENERON PHARMACEUTICALSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 137,042 shares; 2024Q4: 152,783 shares; 2025Q1: 154,693 shares; 2025Q2: 187,870 shares; 2025Q3: 180,283 shares; 2025Q4: 176,768 shares 176,768$136M14.26%-3,515Timeline
GOOGLALPHABET INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 886,952 shares; 2024Q4: 533,955 shares; 2025Q1: 529,571 shares; 2025Q2: 516,048 shares; 2025Q3: 427,139 shares; 2025Q4: 415,963 shares 415,963$130M13.61%-11,176Timeline
IBKRINTERACTIVE BROKERS GROUP INQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 833,627 shares; 2024Q4: 595,044 shares; 2025Q1: 526,584 shares; 2025Q2: 2,404,649 shares; 2025Q3: 1,761,171 shares; 2025Q4: 1,486,294 shares 1,486,294$95.6M9.99%-274,877Timeline
VISA INC-CLASS A SHARESVISA INC-CLASS A SHARESQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 284,352 shares; 2024Q4: 237,259 shares; 2025Q1: 235,302 shares; 2025Q2: 269,252 shares; 2025Q3: 235,851 shares; 2025Q4: 235,154 shares 235,154$82.5M8.62%-697
BRK-BBERKSHIRE HATHAWAY INC DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 331,254 shares; 2024Q4: 219,835 shares; 2025Q1: 218,030 shares; 2025Q2: 220,304 shares; 2025Q3: 174,728 shares; 2025Q4: 162,327 shares 162,327$81.6M8.53%-12,401Timeline
AMZNAMAZON COM INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 382,300 shares; 2024Q4: 342,812 shares; 2025Q1: 339,998 shares; 2025Q2: 388,156 shares; 2025Q3: 291,265 shares; 2025Q4: 277,641 shares 277,641$64.1M6.7%-13,624Timeline
PMPHILIP MORRIS INTL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 549,299 shares; 2024Q4: 496,648 shares; 2025Q1: 518,385 shares; 2025Q2: 541,101 shares; 2025Q3: 417,650 shares; 2025Q4: 398,556 shares 398,556$63.9M6.68%-19,094Timeline
COFCAPITAL ONE FINL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 346,950 shares; 2025Q3: 264,109 shares; 2025Q4: 175,540 shares 175,540$42.5M4.45%-88,569Timeline
CTVACORTEVA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 594,420 shares; 2024Q4: 576,194 shares; 2025Q1: 571,432 shares; 2025Q2: 647,820 shares; 2025Q3: 571,018 shares; 2025Q4: 569,033 shares 569,033$38.1M3.99%-1,985Timeline
FCNCAFIRST CTZNS BANCSHARES INC DQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 24,547 shares; 2024Q4: 21,487 shares; 2025Q1: 21,311 shares; 2025Q2: 24,198 shares; 2025Q3: 20,620 shares; 2025Q4: 17,072 shares 17,072$36.6M3.83%-3,548Timeline
VANECK ETF TRUSTVANECK ETF TRUSTQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 287,826 shares; 2024Q4: 277,406 shares; 2025Q1: 275,105 shares; 2025Q2: 314,057 shares; 2025Q3: 307,213 shares; 2025Q4: 217,657 shares 217,657$18.7M1.95%-89,556
ALNYALNYLAM PHARMACEUTICALS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 34,974 shares; 2025Q4: 38,864 shares 38,864$15.5M1.62%+3,890Timeline
SOTERA HEALTH COSOTERA HEALTH COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 876,381 shares; 2024Q4: 799,966 shares; 2025Q1: 793,382 shares; 2025Q2: 906,035 shares; 2025Q3: 885,462 shares; 2025Q4: 874,926 shares 874,926$15.4M1.61%-10,536
GHCGRAHAM HLDGS COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 19,457 shares; 2024Q4: 16,376 shares; 2025Q1: 16,242 shares; 2025Q2: 18,544 shares; 2025Q3: 13,397 shares; 2025Q4: 13,355 shares 13,355$14.7M1.53%-42Timeline
HLFHERBALIFE LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 2,653,914 shares; 2024Q4: 1,599,168 shares; 2025Q1: 2,560,075 shares; 2025Q2: 2,223,783 shares; 2025Q3: 1,358,989 shares; 2025Q4: 1,120,175 shares 1,120,175$14.4M1.51%-238,814Timeline
PINSPINTEREST INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,116,985 shares; 2024Q4: 849,920 shares; 2025Q1: 842,964 shares; 2025Q2: 955,830 shares; 2025Q3: 649,282 shares; 2025Q4: 512,196 shares 512,196$13.3M1.39%-137,086Timeline
TBBBBBB FOODS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 394,158 shares 394,158$13.2M1.38%newTimeline
IBBISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 272,955 shares; 2024Q4: 264,586 shares; 2025Q1: 262,399 shares; 2025Q2: 295,346 shares; 2025Q3: 281,422 shares; 2025Q4: 72,350 shares 72,350$12.2M1.28%-209,072Timeline
SQMSOCIEDAD QUIMICA Y MINERA DEQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 139,477 shares; 2024Q4: 135,201 shares; 2025Q1: 134,083 shares; 2025Q2: 169,567 shares; 2025Q3: 164,587 shares; 2025Q4: 163,457 shares 163,457$11.2M1.18%-1,130Timeline
SBHSALLY BEAUTY HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 1,122,066 shares; 2025Q2: 1,281,935 shares; 2025Q3: 1,081,195 shares; 2025Q4: 737,250 shares 737,250$10.5M1.1%-343,945Timeline
NEMNEWMONT CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 83,700 shares; 2025Q3: 78,015 shares; 2025Q4: 77,856 shares 77,856$7.77M0.81%-159Timeline
BBARRICK MNG CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 228,593 shares; 2025Q3: 213,069 shares; 2025Q4: 164,856 shares 164,856$7.18M0.75%-48,213Timeline
RAMPLIVERAMP HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 254,074 shares; 2024Q4: 246,272 shares; 2025Q1: 244,236 shares; 2025Q2: 279,178 shares; 2025Q3: 231,395 shares; 2025Q4: 231,994 shares 231,994$6.81M0.71%+599Timeline
BBWIBATH & BODY WORKS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 132,323 shares; 2024Q4: 112,578 shares; 2025Q1: 111,649 shares; 2025Q2: 127,776 shares; 2025Q3: 114,801 shares; 2025Q4: 254,611 shares 254,611$5.11M0.53%+139,810Timeline
MDLZMONDELEZ INTL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 61,888 shares; 2024Q4: 58,445 shares; 2025Q1: 57,963 shares; 2025Q2: 66,336 shares; 2025Q3: 65,871 shares; 2025Q4: 64,547 shares 64,547$3.47M0.36%-1,324Timeline
VANECK ETF TRUSTVANECK ETF TRUSTQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 74,766 shares; 2024Q4: 135,441 shares; 2025Q1: 134,320 shares; 2025Q2: 153,737 shares; 2025Q3: 150,866 shares; 2025Q4: 27,763 shares 27,763$3.16M0.33%-123,103
FICOFAIR ISAAC CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 1,567 shares 1,567$2.65M0.28%newTimeline
TPBTURNING PT BRANDS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 24,372 shares 24,372$2.64M0.28%newTimeline
RSKDRISKIFIED LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 484,103 shares; 2024Q4: 469,260 shares; 2025Q1: 465,381 shares; 2025Q2: 531,929 shares; 2025Q3: 513,696 shares; 2025Q4: 513,676 shares 513,676$2.55M0.27%-20Timeline
NICENICE LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 20,322 shares 20,322$2.3M0.24%newTimeline
OLEDUNIVERSAL DISPLAY CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 11,653 shares 11,653$1.36M0.14%newTimeline
JRVRJAMES RIV GROUP HOLDINGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 123,575 shares 123,575$786K0.08%newTimeline
ENVXENOVIX CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 11,550 shares; 2025Q4: 11,550 shares 11,550$84.4K0.01%0Timeline
GUTSFRACTYL HEALTH INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 16,905 shares 16,905$37.2K<0.01%newTimeline
ALECALECTOR INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 19,282 shares 19,282$30.1K<0.01%newTimeline
CHRSCOHERUS ONCOLOGY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 19,282 shares 19,282$27.4K<0.01%newTimeline
IVVDINVIVYD INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 11,012 shares 11,012$27.2K<0.01%newTimeline
CRBUCARIBOU BIOSCIENCES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 15,627 shares 15,627$24.8K<0.01%newTimeline
PLRXPLIANT THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 18,613 shares 18,613$22.7K<0.01%newTimeline
FATEFATE THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 22,853 shares 22,853$22.5K<0.01%newTimeline
MISTMILESTONE PHARMACEUTICALS INQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 10,414 shares 10,414$21K<0.01%newTimeline
RANIRANI THERAPEUTICS HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 14,868 shares 14,868$20.1K<0.01%newTimeline
CCCCC4 THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 10,033 shares 10,033$19.2K<0.01%newTimeline

Options

Puts and calls, as filed. The amount and value describe the underlying shares, not the option premium, so they stay out of % of portfolio (H5).

SecurityTypeAmountValueChange
REGNREGENERON PHARMACEUTICALS Stockcall59,300$45.8Mnew

Sold out in Q4 2025

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
ABVXABIVAX SA156,747$14.9Mshares
IJRISHARES TR95,350$12.7Mshares
IWOISHARES TR18,700$5.98Mcall

How Q4 2025 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001471085-26-000001 base2026-02-03acceptance time not in the bulk data set