Bronte Capital Management Pty Ltd.

CIK 1471085 · View on SEC EDGAR ↗

Portfolio value QoQ: -7.8% 13F does not disclose cash

Top 10 holdings weight71.82%

Top 25 holdings weight95.53%

Positions above 1%21

Effective number of positions15.8

Based on 13F long-equity holdings only (cash, bonds, shorts not disclosed)

Turnover Q2 2026: 4.31% Est. buys $41,838,375 · sells $152,550,938

Median holding: 3.0 quarters Tracked Q1 2025–Q2 2026 · 77.0% still held

New positions15

Increased8

Decreased33

Closed9

Portfolio value $931.0M #2,638 of 9,337 by 13F value · top 28.3%

Positions 57

As of June 30, 2026 Data as of Q2 2026

Sector breakdown

Financials 23.0%

Healthcare 18.5%

Communication Services 15.4%

Retail 10.3%

Consumer Staples 8.1%

Materials 6.4%

Technology 3.0%

Consumer Discretionary 1.4%

Consumer products 0.5%

Industrials 0.3%

Other/Unmapped 13.1%

Full portfolio 57 positions

				Type		Streak
GOOGL Alphabet Inc. - Class A Common Stock	$109,056,816	11.71%	305,165		$-644,448	Down ×6
REGN Regeneron Pharmaceuticals, Inc. - Common Stock	$101,398,828	10.89%	162,618		$-32,103,320	Down ×4
IBKR Interactive Brokers Group, Inc. - Class A Common Stock	$76,902,103	8.26%	883,526		$-9,063,595	Down ×4
Unknown issuer (CUSIP: 83601L105)	$75,450,294	8.10%	219,914		$3,103,105	Down ×1
BRK-B (filed as BRKB) Berkshire Hathaway Inc. Class B	$72,980,380	7.84%	145,847		$-1,325,810	Down ×4
AMZN Amazon.com, Inc. - Common Stock	$62,309,941	6.69%	261,433		$2,799,079	Down ×1
PM Philip Morris International Inc Common Stock	$54,304,840	5.83%	300,176		$-2,092,303	Down ×4
REGN Regeneron Pharmaceuticals, Inc. - Common Stock	$42,774,844	4.59%	68,600	Call option	$-10,175,438
CTVA Corteva, Inc. Common Stock	$38,674,197	4.15%	456,656		$-3,414,354	Down ×4
COF Capital One Financial Corporation Common Stock	$34,812,184	3.74%	173,523		$630,457	Down ×1
DIS Walt Disney Company (The) Common Stock	$34,673,389	3.72%	360,243		$16,777,840	Up ×1
FCNCA First Citizens BancShares, Inc. - Class A Common Stock	$29,503,521	3.17%	14,179		$-1,578,292	Down ×4
TBBB BBB Foods Inc. Class A Common Shares	$22,216,402	2.39%	533,151		$4,971,758	Up ×2
AUR Aurora Innovation, Inc. - Class A Common Stock	$14,914,119	1.60%	2,186,821		$5,360,877	Down ×1
Unknown issuer (CUSIP: M8216R110)	$14,454,711	1.55%	191,580		$-4,641,525	Down ×4
Unknown issuer (CUSIP: 83601L103)	$14,149,200	1.52%	797,138		$2,050,399	Down ×4
NKTR Nektar Therapeutics - Common Stock	$13,852,678	1.49%	198,434		$-411,841	Up ×1
GHC Graham Holdings Company Common Stock	$13,073,825	1.40%	11,454		$-443,244	Down ×4
IBB iShares Trust	$12,515,833	1.34%	65,807		$820,438	Down ×4
BF-B (filed as BFB) Brown-Forman Corporation Class B	$12,373,941	1.33%	464,313			Up ×1
ALNY Alnylam Pharmaceuticals, Inc. - Common Stock	$10,651,646	1.14%	35,384		$-1,671,607	Down ×2
SQM Sociedad Quimica y Minera S.A. Common Stock	$8,611,444	0.92%	116,308		$-1,297,150	Down ×4
GLBE Global-E Online Ltd. - ordinary shares	$7,906,076	0.85%	227,644		$1,331,879	Up ×1
NEM Newmont Corporation	$6,490,740	0.70%	69,494		$-1,672,176	Down ×4
B Barrick Mining Corporation Common Shares	$5,375,766	0.58%	146,359		$-1,099,279	Down ×4
RAMP LiveRamp Holdings, Inc. Common Stock	$4,831,019	0.52%	128,348		$-1,088,643	Down ×2
HLF Herbalife Ltd. Common Shares	$4,252,526	0.46%	323,386		$-9,583,185	Down ×5
RVMD Revolution Medicines, Inc. - Common Stock	$3,517,118	0.38%	18,780			Up ×1
TPB Turning Point Brands, Inc. Common Stock	$3,453,548	0.37%	40,721		$-266,185	Down ×1
IJR iShares Trust	$3,411,723	0.37%	23,004
BBWI Bath & Body Works, Inc.	$3,326,094	0.36%	143,800		$422,760	Down ×2
MDLZ Mondelez International, Inc. - Class A Common Stock	$3,079,055	0.33%	53,234		$-147,286	Down ×4
RSKD Riskified Ltd. Class A Ordinary Shares	$2,964,785	0.32%	588,251		$1,049,939	Up ×1
BF-A (filed as BFA) Brown-Forman Corporation Class A	$2,609,186	0.28%	95,365		$-79,298	Down ×1
TYL Tyler Technologies, Inc. Common Stock	$2,428,003	0.26%	8,302			Up ×1
Unknown issuer (CUSIP: 83601L104)	$2,413,806	0.26%	24,568		$-775,177	Down ×4
PCTY Paylocity Holding Corporation - Common Stock	$1,868,369	0.20%	17,874		$-2,087,083	Down ×1
NICE NICE Ltd - American Depositary Shares each representing one Ordinary Share	$1,489,577	0.16%	16,396		$-394,877	Down ×2
OLED Universal Display Corporation - Common Stock	$889,193	0.10%	10,269		$-130,158	Down ×2
VRSK Verisk Analytics, Inc. - Common Stock	$481,499	0.05%	2,682		$-69,156	Down ×1
TMCI Treace Medical Concepts, Inc. - Common Stock	$61,996	0.01%	15,577			Up ×1
FATE Fate Therapeutics, Inc. - Common Stock	$58,698	0.01%	21,740		$31,274	Down ×1
ANTX AN2 Therapeutics, Inc. - Common Stock	$52,732	0.01%	10,895			Up ×1
CCCC C4 Therapeutics, Inc. - Common Stock	$48,330	0.01%	10,349		$21,943	Up ×1
ALXO ALX Oncology Holdings Inc. - Common Stock	$37,457	0.00%	18,095			Up ×1
BLND Blend Labs, Inc. Class A Common Stock	$32,912	0.00%	19,247			Up ×1
PEPG PepGen Inc. - Common Stock	$31,997	0.00%	17,776			Up ×1
CMRC Commerce.com, Inc. - Series 1 Common Stock	$30,423	0.00%	10,278			Up ×1
PACB Pacific Biosciences of California, Inc. - Common Stock	$30,040	0.00%	17,881			Up ×1
ABOS Acumen Pharmaceuticals, Inc. - Common Stock	$28,612	0.00%	10,716			Up ×1
SEER Seer, Inc. - Class A Common Stock	$25,081	0.00%	15,109			Up ×1
ALEC Alector, Inc. - Common Stock	$23,634	0.00%	11,758		$-17,822	Down ×1
ENVX Enovix Corporation - Common Stock	$22,791	0.00%	30,215		$-37,038	Up ×1
NBP NovaBridge Biosciences - American Depositary Shares	$21,824	0.00%	11,192			Up ×1
CHRS Coherus Oncology, Inc. - Common Stock	$21,367	0.00%	15,262		$-11,220	Down ×1
MIST Milestone Pharmaceuticals Inc. - Common Shares	$19,283	0.00%	14,390		$6,890	Up ×1
GOSS Gossamer Bio, Inc. - Common Stock	$11,152	0.00%	67,754			Up ×1
No matches

Biggest new bets

New positions opened this quarter, largest first.

Security	Value	Shares	% of portfolio
BF-B (filed as BFB)	$12,373,941	464,313	1.33%
RVMD	$3,517,118	18,780	0.38%
IJR	$3,411,723	23,004	0.37%
TYL	$2,428,003	8,302	0.26%
TMCI	$61,996	15,577	0.01%
ANTX	$52,732	10,895	0.01%
ALXO	$37,457	18,095	0.00%
BLND	$32,912	19,247	0.00%
PEPG	$31,997	17,776	0.00%
CMRC	$30,423	10,278	0.00%
PACB	$30,040	17,881	0.00%
ABOS	$28,612	10,716	0.00%
SEER	$25,081	15,109	0.00%
NBP	$21,824	11,192	0.00%
GOSS	$11,152	67,754	0.00%

Top movers (QoQ)

Security	Action	Shares Δ	Value Δ
REGN	Trimmed	-10K	-$32.1M
DIS	Bought more	+175K	+$16.8M
REGN	Price move only	+0	-$10.2M
HLF	Trimmed	-617K	-$9.6M
IBKR	Trimmed	-398K	-$9.1M
AUR	Trimmed	-132K	+$5.4M
TBBB	Bought more	+46K	+$5.0M
·	Trimmed	-17K	-$4.6M
CTVA	Trimmed	-46K	-$3.4M
·	Trimmed	-19K	+$3.1M

Exited positions

Includes corporate events (mergers, delistings) — not all exits are sells

Closed positions reflect 13F reporting changes; for index managers these are often mechanical (delisting, M&A, index rebalancing), not active decisions.

Security	Quarter	Shares before	Value before	Price since exit
DFS	June 30, 2025	299,914	$59,885,403	No longer tracked
MTCH	June 30, 2025	690,818	$25,227,678	31.5%
ABVX	Dec. 31, 2025	156,747	$14,949,024	-34.6%
IWO	June 30, 2026	41,942	$13,161,819
IJR	Dec. 31, 2025	95,350	$12,661,922	15.1%
PINS	June 30, 2026	430,950	$7,903,623	-4.8%
IWO	Dec. 31, 2025	18,700	$5,984,748
SBH	June 30, 2026	220,737	$3,057,207	15.0%
FICO	March 31, 2026	1,567	$2,649,202	-34.9%
JRVR	June 30, 2026	338,961	$2,135,454	-21.1%
GB	Sept. 30, 2025	100,917	$851,811	No longer tracked
CRBU	June 30, 2026	15,627	$29,691	-35.5%
PLRX	June 30, 2026	18,613	$23,452	-9.6%
IVVD	June 30, 2026	11,012	$14,316	-7.5%
RANI	June 30, 2026	14,868	$10,925	9.1%
GUTS	June 30, 2026	16,905	$7,739	475.6%