What stocks does John Hempton own?

As of Q2 2026, Bronte Capital Management reported 57 positions with a combined 13F value of $931.1M. Its largest stock positions are GOOGL ($109.1M), REGN ($101.4M) and IBKR ($76.9M).

How often does Bronte Capital Management update its portfolio?

Bronte Capital Management files a 13F with the SEC every quarter, due 45 days after quarter end. The latest covers Q2 2026 and was filed Aug 5, 2026. The next one is due by Nov 16, 2026.

What does Bronte Capital Management's 13F leave out?

A 13F lists long positions in US-listed stocks and some options held on the last day of a quarter. It leaves out short positions, most bonds, holdings not listed in the US and anything bought or sold since the quarter ended.

Where does Bronte Capital Management's portfolio data come from?

From the 13F filings Bronte Capital Management makes to the SEC, available on EDGAR. Each quarter shows how positions changed from the one before.

Smart money

Bronte Capital Management Pty Ltd.

John Hempton

Return history

Last 4 years · filing-date model

$100,000 to $192,735

$100,000 in SPY: $203,190.

Total return

+92.7%

Annualized (4Y CAGR)

+17.8%

vs SPY

−1.6 pts/yr

Moves a year

132

Avg hold

15.7 months

16 filings · quarters -6.3% to +12%

All time

+111% since Feb 13, 2019

Fund size $931M today

Nov 7, 2022 to Nov 6, 2026 · min. 81% quarterly priced · Disclosed book, unaudited · Method

Position-weighted returns use each SEC filing date. Options use underlying-stock proxies, not option premiums; put proxies can lose more than 100%. Cash, shorts, non-13F holdings and trades between filings are excluded.

New BF.B and exited NKTR in Q2 2026.

$931.1M in this filing57 positions

Holdings as of Jun 30, 2026. Filed Aug 5, 2026.

Stocks and funds

Share change vs Mar 31

1GOOGLAlphabet Inc12.28%
$109.1M - 305K shares-20.0%
2REGNRegeneron Pharmaceuticals11.41%
$101.4M - 163K shares-5.9%
3IBKRInteractive Brokers Group8.66%
$76.9M - 884K shares-31.1%
4Visa Inc-class A Shares8.49%
$75.5M - 220K shares-8.1%
5BRK.BBerkshire Hathaway Inc Del8.22%
$73.0M - 146K shares-5.9%
6AMZNAmazon Com Inc7.01%
$62.3M - 261K shares-8.5%
7PMPhilip Morris Intl Inc6.11%
$54.3M - 300K shares-12.0%

#	Stock				At Jun 30	Now
1	GOOGLAlphabet Inc	12.28%	$109.1M	-20.0%	$357.37	$293.45 -17.9%
2	REGNRegeneron Pharmaceuticals	11.41%	$101.4M	-5.9%	$623.54	$959.41 +53.9%
3	IBKRInteractive Brokers Group	8.66%	$76.9M	-31.1%	$87.04	$82.49 -5.2%
4	Visa Inc-class A Shares	8.49%	$75.5M	-8.1%	$343.09	-
5	BRK.BBerkshire Hathaway Inc Del	8.22%	$73.0M	-5.9%	$500.39	-
6	AMZNAmazon Com Inc	7.01%	$62.3M	-8.5%	$238.34	$266.17 +11.7%
7	PMPhilip Morris Intl Inc	6.11%	$54.3M	-12.0%	$180.91	$196.35 +8.5%

Options positions1 positions (0 puts, 1 calls) - $42.8M. Priced off the underlying stock - 13F never discloses strike or premium.

Share change vs Mar 31

1REGN callsRegeneron Pharmaceuticals100.00%
$42.8M - 69K shares-

#	Stock				At Jun 30	Now
1	REGN callsRegeneron Pharmaceuticals	100.00%	$42.8M	-	$623.54	$959.41 +53.9%

49 more on a paid plan

Unlock the full portfolio and quarterly changes.

Unlock all 49 holdings

What is missing

Top 10 concentration: 72%. This filing does not include cash, short positions, private investments, bonds, or many overseas holdings. Next filing due ~Nov 16, 2026.

Check the filer and reporting period

These holdings cover Jun 30, 2026. Check the SEC filer record for the reporting entity. Disclosed quarter-end positions are not a manager's personal or live portfolio. Compare the reporting period with the filed date before interpreting a change.

Disclosed changes

Q2 2026 holdings. Exact trade dates are not disclosed.

More disclosures (1)

IWO ReducedView disclosure

Common questions

What stocks does John Hempton own?: As of Q2 2026, Bronte Capital Management reported 57 positions with a combined 13F value of $931.1M. Its largest stock positions are GOOGL ($109.1M), REGN ($101.4M) and IBKR ($76.9M).
How often does Bronte Capital Management update its portfolio?: Bronte Capital Management files a 13F with the SEC every quarter, due 45 days after quarter end. The latest covers Q2 2026 and was filed Aug 5, 2026. The next one is due by Nov 16, 2026.
What does Bronte Capital Management's 13F leave out?: A 13F lists long positions in US-listed stocks and some options held on the last day of a quarter. It leaves out short positions, most bonds, holdings not listed in the US and anything bought or sold since the quarter ended.
Where does Bronte Capital Management's portfolio data come from?: From the 13F filings Bronte Capital Management makes to the SEC, available on EDGAR. Each quarter shows how positions changed from the one before.

Smart money

Bronte Capital Management Pty Ltd.

John Hempton

Return history

Last 4 years · filing-date model

$100,000 to $192,735

$100,000 in SPY: $203,190.

Total return

+92.7%

Annualized (4Y CAGR)

+17.8%

vs SPY

−1.6 pts/yr

Moves a year

132

Avg hold

15.7 months

16 filings · quarters -6.3% to +12%

All time

+111% since Feb 13, 2019

Fund size $931M today

Nov 7, 2022 to Nov 6, 2026 · min. 81% quarterly priced · Disclosed book, unaudited · Method

New BF.B and exited NKTR in Q2 2026.

$931.1M in this filing57 positions

Holdings as of Jun 30, 2026. Filed Aug 5, 2026.

Stocks and funds

Share change vs Mar 31

1GOOGLAlphabet Inc12.28%
$109.1M - 305K shares-20.0%
2REGNRegeneron Pharmaceuticals11.41%
$101.4M - 163K shares-5.9%
3IBKRInteractive Brokers Group8.66%
$76.9M - 884K shares-31.1%
4Visa Inc-class A Shares8.49%
$75.5M - 220K shares-8.1%
5BRK.BBerkshire Hathaway Inc Del8.22%
$73.0M - 146K shares-5.9%
6AMZNAmazon Com Inc7.01%
$62.3M - 261K shares-8.5%
7PMPhilip Morris Intl Inc6.11%
$54.3M - 300K shares-12.0%

#	Stock				At Jun 30	Now
1	GOOGLAlphabet Inc	12.28%	$109.1M	-20.0%	$357.37	$293.45 -17.9%
2	REGNRegeneron Pharmaceuticals	11.41%	$101.4M	-5.9%	$623.54	$959.41 +53.9%
3	IBKRInteractive Brokers Group	8.66%	$76.9M	-31.1%	$87.04	$82.49 -5.2%
4	Visa Inc-class A Shares	8.49%	$75.5M	-8.1%	$343.09	-
5	BRK.BBerkshire Hathaway Inc Del	8.22%	$73.0M	-5.9%	$500.39	-
6	AMZNAmazon Com Inc	7.01%	$62.3M	-8.5%	$238.34	$266.17 +11.7%
7	PMPhilip Morris Intl Inc	6.11%	$54.3M	-12.0%	$180.91	$196.35 +8.5%

Options positions1 positions (0 puts, 1 calls) - $42.8M. Priced off the underlying stock - 13F never discloses strike or premium.

Share change vs Mar 31

1REGN callsRegeneron Pharmaceuticals100.00%
$42.8M - 69K shares-

#	Stock				At Jun 30	Now
1	REGN callsRegeneron Pharmaceuticals	100.00%	$42.8M	-	$623.54	$959.41 +53.9%

49 more on a paid plan

Unlock the full portfolio and quarterly changes.

Unlock all 49 holdings

What is missing

Top 10 concentration: 72%. This filing does not include cash, short positions, private investments, bonds, or many overseas holdings. Next filing due ~Nov 16, 2026.

Check the filer and reporting period

Disclosed changes

Q2 2026 holdings. Exact trade dates are not disclosed.

More disclosures (1)

IWO ReducedView disclosure

Common questions

What stocks does John Hempton own?: As of Q2 2026, Bronte Capital Management reported 57 positions with a combined 13F value of $931.1M. Its largest stock positions are GOOGL ($109.1M), REGN ($101.4M) and IBKR ($76.9M).
How often does Bronte Capital Management update its portfolio?: Bronte Capital Management files a 13F with the SEC every quarter, due 45 days after quarter end. The latest covers Q2 2026 and was filed Aug 5, 2026. The next one is due by Nov 16, 2026.
What does Bronte Capital Management's 13F leave out?: A 13F lists long positions in US-listed stocks and some options held on the last day of a quarter. It leaves out short positions, most bonds, holdings not listed in the US and anything bought or sold since the quarter ended.
Where does Bronte Capital Management's portfolio data come from?: From the 13F filings Bronte Capital Management makes to the SEC, available on EDGAR. Each quarter shows how positions changed from the one before.

Bronte Capital Management Pty Ltd.

Last 4 years · filing-date model

New BF.B and exited NKTR in Q2 2026.

Check the filer and reporting period

Disclosed changes

Common questions

Ask it in Claude or ChatGPT.

Bronte Capital Management Pty Ltd.

Last 4 years · filing-date model

New BF.B and exited NKTR in Q2 2026.

Check the filer and reporting period

Disclosed changes

Common questions

Ask it in Claude or ChatGPT.