Bronte Capital Management Pty Ltd. — 13F Holdings & Portfolio
CIK 1471085 · latest 13F-HR filed 2026-04-27
Bronte Capital Management Pty Ltd. manages $1.01B in 13F-reported U.S. long-equity assets across 54 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are REGN (13.22%), GOOGL (10.86%), IBKR (8.51%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 9 new positions, exited 1, added to 10, and trimmed 26.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
$1.01B
Long-equity book
54
Distinct positions
2026-03-31
Filed 2026-04-27
+9 / −1 / ↑10 / ↓26
vs 2025-12-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- BBB FOODS INC$4.1M +31.0%
- CORTEVA INC$3.9M +10.3%
- JAMES RIV GROUP HOLDINGS INC$1.3M +171.7%
- TURNING PT BRANDS INC$1.1M +40.8%
- NEWMONT CORP$389.0K +5.0%
Top Trims
- ALPHABET INC-$20.5M -15.7%
- VISA INC-CLASS A SHARES-$10.1M -12.3%
- INTERACTIVE BROKERS GROUP-$9.6M -10.1%
- CAPITAL ONE FINL CORP-$8.4M -19.7%
- PHILIP MORRIS INTL INC-$7.5M -11.8%
New Positions
- DISNEY WALT CO$17.9M
- NEKTAR THERAPEUTICS$14.3M
- BROWN FORMAN CORP$13.1M
- ISHARES TR$11.8M
- AURORA INNOVATION INC$9.6M
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | REGENERON PHARMACEUTICALS | REGN | 75886F107 | $133.5M | 13.22% | 172,787 | SH |
| 2 | ALPHABET INC | GOOGL | 02079K305 | $109.7M | 10.86% | 381,490 | SH |
| 3 | INTERACTIVE BROKERS GROUP | IBKR | 45841N107 | $86.0M | 8.51% | 1,281,731 | SH |
| 4 | BERKSHIRE HATHAWAY INC DEL | BRK.B | 084670702 | $74.3M | 7.36% | 155,063 | SH |
| 5 | VISA INC-CLASS A SHARES | — | 83601L105 | $72.3M | 7.16% | 239,370 | SH |
| 6 | AMAZON COM INC | AMZN | 023135106 | $59.5M | 5.89% | 285,739 | SH |
| 7 | PHILIP MORRIS INTL INC | PM | 718172109 | $56.4M | 5.58% | 341,098 | SH |
| 8 | REGENERON PHARMACEUTICALS Call | REGN | 75886F107 | $53.0M | 5.24% | 68,600 | SH |
| 9 | CORTEVA INC | CTVA | 22052L104 | $42.1M | 4.17% | 502,790 | SH |
| 10 | CAPITAL ONE FINL CORP | COF | 14040H105 | $34.2M | 3.38% | 187,369 | SH |
| 11 | FIRST CTZNS BANCSHARES INC N | FCNCA | 31946M103 | $31.1M | 3.08% | 16,492 | SH |
| 12 | VANECK ETF TRUST | GENZ | M8216R110 | $19.1M | 1.89% | 208,088 | SH |
| 13 | DISNEY WALT CO | DIS | 254687106 | $17.9M | 1.77% | 185,677 | SH |
| 14 | BBB FOODS INC | TBBB | G0896C103 | $17.2M | 1.71% | 487,550 | SH |
| 15 | NEKTAR THERAPEUTICS Call | NKTR | 640268306 | $14.6M | 1.44% | 202,500 | SH |
| 16 | NEKTAR THERAPEUTICS | NKTR | 640268306 | $14.3M | 1.41% | 198,256 | SH |
| 17 | HERBALIFE NUTRITION LTD | HLF | G4412G101 | $13.8M | 1.37% | 939,926 | SH |
| 18 | GRAHAM HLDGS CO | GHC | 384637104 | $13.5M | 1.34% | 12,785 | SH |
| 19 | BROWN FORMAN CORP | BRO | 115637900 | $13.1M | 1.29% | 493,902 | SH |
| 20 | ALNYLAM PHARMACEUTICALS INC | ALNY | 02043Q107 | $12.3M | 1.22% | 37,245 | SH |
| 21 | SOTERA HEALTH CO | SHC | 83601L103 | $12.1M | 1.20% | 843,710 | SH |
| 22 | ISHARES TR | IWO | 464287648 | $11.8M | 1.17% | 37,542 | SH |
| 23 | ISHARES TR | IBB | 464287556 | $11.7M | 1.16% | 69,265 | SH |
| 24 | SOCIEDAD QUIMICA Y MINERA DE | SQM | 833635105 | $9.9M | 0.98% | 122,419 | SH |
| 25 | AURORA INNOVATION INC | AUR | 051774107 | $9.6M | 0.95% | 2,318,748 | SH |
| 26 | NEWMONT CORP | NEM | 651639106 | $8.2M | 0.81% | 75,408 | SH |
| 27 | PINTEREST INC | PINS | 72352L106 | $7.9M | 0.78% | 430,950 | SH |
| 28 | GLOBAL E ONLINE LTD | GLBE | M5216V106 | $6.6M | 0.65% | 213,102 | SH |
| 29 | BARRICK MNG CORP | B | 06849F108 | $6.5M | 0.64% | 158,741 | SH |
| 30 | LIVERAMP HLDGS INC | RAMP | 53815P108 | $5.9M | 0.59% | 223,215 | SH |
| 31 | PAYLOCITY HLDG CORP | PCTY | 70438V106 | $4.0M | 0.39% | 36,611 | SH |
| 32 | TURNING PT BRANDS INC | TPB | 90041L105 | $3.7M | 0.37% | 42,859 | SH |
| 33 | MONDELEZ INTL INC | MDLZ | 609207105 | $3.2M | 0.32% | 55,974 | SH |
| 34 | VANECK ETF TRUST | GENZ | 83601L104 | $3.2M | 0.32% | 26,566 | SH |
| 35 | SALLY BEAUTY HLDGS INC | SBH | 79546E104 | $3.1M | 0.30% | 220,737 | SH |
| 36 | BATH & BODY WORKS INC | BBWI | 070830104 | $2.9M | 0.29% | 155,508 | SH |
| 37 | BROWN FORMAN CORP | BF.A | 115637100 | $2.7M | 0.27% | 100,354 | SH |
| 38 | JAMES RIV GROUP HOLDINGS INC | JRVR | 46990A102 | $2.1M | 0.21% | 338,961 | SH |
| 39 | RISKIFIED LTD | RSKD | M8216R109 | $1.9M | 0.19% | 488,481 | SH |
| 40 | NICE LTD | NICE | 653656108 | $1.9M | 0.19% | 17,091 | SH |
| 41 | ISHARES TR Call | IWO | 464287648 | $1.4M | 0.14% | 4,400 | SH |
| 42 | UNIVERSAL DISPLAY CORP | OLED | 91347P105 | $1.0M | 0.10% | 11,121 | SH |
| 43 | VERISK ANALYTICS INC | VRSK | 92345Y106 | $550.7K | 0.05% | 2,902 | SH |
| 44 | ENOVIX CORPORATION | ENVX | 293594107 | $59.8K | 0.01% | 11,550 | SH |
| 45 | ALECTOR INC | ALEC | 014442107 | $41.5K | 0.00% | 19,282 | SH |
| 46 | COHERUS ONCOLOGY INC | CHRS | 19249H103 | $32.6K | 0.00% | 19,282 | SH |
| 47 | CARIBOU BIOSCIENCES INC | CRBU | 142038108 | $29.7K | 0.00% | 15,627 | SH |
| 48 | FATE THERAPEUTICS INC | FATE | 31189P102 | $27.4K | 0.00% | 22,853 | SH |
| 49 | C4 THERAPEUTICS INC | CCCC | 12529R107 | $26.4K | 0.00% | 10,033 | SH |
| 50 | PLIANT THERAPEUTICS INC | PLRX | 729139105 | $23.5K | 0.00% | 18,613 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-03-31 | 2026-04-27 | $1.01B | 54 | 0001471085-26-000002 |
| 2025-12-31 | 2026-02-03 | $1.00B | 44 | 0001471085-26-000001 |