What stocks does Lansdowne Partners own?

As of Q2 2026, Lansdowne Partners reported 26 positions with a combined 13F value of $2.4B. Its largest stock positions are TSM ($704.8M), ARM ($380.3M) and DAL ($231.5M).

How often does Lansdowne Partners update its portfolio?

Lansdowne Partners files a 13F with the SEC every quarter, due 45 days after quarter end. The latest covers Q2 2026 and was filed Aug 14, 2026. The next one is due by Nov 16, 2026.

What does Lansdowne Partners'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 Lansdowne Partners's portfolio data come from?

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

Smart money

Lansdowne Partners (UK) LLP

Return history

Last 4 years · filing-date model

$100,000 to $339,813

$100,000 in SPY: $223,413.

Total return

+240%

Annualized (4Y CAGR)

+35.8%

vs SPY

+13.5 pts/yr

Moves a year

107

Avg hold

11.8 months

18 filings · quarters -7.7% to +23.3%

All time

+272% since Aug 13, 2014

Fund size $2B today

Oct 15, 2022 to Oct 14, 2026 · min. 66% 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 NVT and exited Alcon AG in Q2 2026.

$2.4B in this filing26 positions

Holdings as of Jun 30, 2026. Filed Aug 14, 2026.

Share change vs Mar 31

1TSMTaiwan Semiconductor Manuf29.00%
$704.8M - 1.5M shares+10.5%
2ARMArm Holdings PLC15.64%
$380.3M - 1.1M shares+14.6%
3DALDelta Air Lines Inc9.52%
$231.5M - 2.5M shares-0.6%
4ADIAnalog Devices Inc9.39%
$228.2M - 575K shares-13.5%
5UALUnited Airls Hldgs Inc8.67%
$210.7M - 1.5M shares+1.2%
6BKRBaker Hughes Company5.69%
$138.4M - 2.5M shares+6087.5%
7LINLinde PLC5.09%
$123.8M - 239K shares-46.9%
8SLBSLB Limited4.90%
$119.0M - 2.6M shares-13.4%

#	Stock				At Jun 30	Now
1	TSMTaiwan Semiconductor Manuf	29.00%	$704.8M	+10.5%	$477.57	$422.25 -11.6%
2	ARMArm Holdings PLC	15.64%	$380.3M	+14.6%	$354.57	$244.79 -31.0%
3	DALDelta Air Lines Inc	9.52%	$231.5M	-0.6%	$93.66	$78.08 -16.6%
4	ADIAnalog Devices Inc	9.39%	$228.2M	-13.5%	$397.17	$403.95 +1.7%
5	UALUnited Airls Hldgs Inc	8.67%	$210.7M	+1.2%	$135.99	$98.96 -27.2%
6	BKRBaker Hughes Company	5.69%	$138.4M	+6087.5%	$55.50	$55.37 -0.2%
7	LINLinde PLC	5.09%	$123.8M	-46.9%	$518.94	$492.70 -5.1%
8	SLBSLB Limited	4.90%	$119.0M	-13.4%	$46.49	-

18 more on a paid plan

Unlock the full portfolio and quarterly changes.

Unlock all 18 holdings

What is missing

Top 10 concentration: 93%. This filing does not include cash, short positions, private investments, bonds, or many overseas holdings. Next filing due ~Nov 16, 2026.

Disclosed changes

Q2 2026 holdings. Exact trade dates are not disclosed.

More disclosures (2)

Common questions

What stocks does Lansdowne Partners own?: As of Q2 2026, Lansdowne Partners reported 26 positions with a combined 13F value of $2.4B. Its largest stock positions are TSM ($704.8M), ARM ($380.3M) and DAL ($231.5M).
How often does Lansdowne Partners update its portfolio?: Lansdowne Partners files a 13F with the SEC every quarter, due 45 days after quarter end. The latest covers Q2 2026 and was filed Aug 14, 2026. The next one is due by Nov 16, 2026.
What does Lansdowne Partners'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 Lansdowne Partners's portfolio data come from?: From the 13F filings Lansdowne Partners makes to the SEC, available on EDGAR. Each quarter shows how positions changed from the one before.