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LANSDOWNE PARTNERS (UK) LLP

SEC Form 13F institutional filer · CIK 0001608485

13F-HR · 15 reported holdings · 2026-03-31

Lansdowne Partners (UK) LLP is a hedge fund manager.

Reported long-US-equity value

$1.12B

Top-10 concentration

97.9%

LANSDOWNE PARTNERS (UK) LLP — $1.12B AUM allocation strategy

LANSDOWNE PARTNERS (UK) LLP files SEC Form 13F and reports $1.12B of long US equity value across 15 reported holdings for 2026-03-31.

Its largest sector bet is Industrials 31.9%, followed by Materials 26.5% and Information Technology 20.5%.

The top 10 holdings account for 98% of reported value — a conviction-weighted book concentrated in its best ideas. The sector and industry splits below are of the same reported value. Track quarter-over-quarter adds, trims, new positions and exits below — sourced from SEC 13F filings, public domain.

LANSDOWNE PARTNERS (UK) LLP — latest SEC 13F insights

Reported long-US-equity value (13F AUM)

$1.12B

total across 15 reported holdings · 2026-03-31 · excludes shorts, cash, non-US

Top-10 concentration

98% of value

higher = narrower conviction; lower = spread / hedging

Biggest adds (shares)

$SW$UAL$LIN

+$SW +1.61M sh · +$64.6M+$UAL +301K sh · +$3.41M+$LIN +222K sh · +$126M

Biggest trims (shares)

$ROK$AES

−$ROK −17K sh · −$7.05M−$AES −6.77K sh · +$6.6M

Added from nil (new positions)

$SLB$BKR

2 fresh holdings — new conviction

Exited to nil (held last quarter, gone now)

$CRH$FTV

$CRH ($38.4M last qtr)$FTV ($2.67M last qtr)

Sector allocation (share of reported value)

Industrials 32%Materials 27%Information Technology 21%Energy 14%Utilities 4%Consumer Discretionary 2%Real Estate 1%Health Care 1%SECTORS
  • $XLIIndustrials31.9%—
  • $XLBMaterials26.5%—
  • $XLKInformation Technology20.5%—
  • $XLEEnergy13.8%—
  • $XLUUtilities4.4%—
  • $XLYConsumer Discretionary1.5%—
  • $XLREReal Estate0.7%—
  • $XLVHealth Care0.7%—

each slice is a share of the reported long-US-equity value — smaller sectors and the rest of the book roll into “Other holdings”

Qtr shift = share-point change vs the prior quarter's filing — first period tracked for this filer; the column fills in with the next quarterly refresh.

Industry allocation (share of reported value)

Passenger Airlines 27%Semiconductors 21%Industrial Gases 20%Oil & Gas Equipment & Services 14%Paper & Plastic Packaging Products & Materials 7%Electrical Components & Equipment 5%Independent Power Producers & Energy Traders 4%Broadline Retail 1%Other holdings 1%INDUSTRIES
  • Passenger Airlines27.3%—
  • Semiconductors20.5%—
  • Industrial Gases19.9%—
  • Oil & Gas Equipment & Services13.8%—
  • Paper & Plastic Packaging Products & Materials6.7%—
  • Electrical Components & Equipment4.6%—
  • Independent Power Producers & Energy Traders4.4%—
  • Broadline Retail1.4%—
  • Other holdings1.4%—

the finer GICS cut of the same book — same denominator — smaller industries roll into “Other holdings”

Qtr shift = share-point change vs the prior quarter's filing — first period tracked for this filer; the column fills in with the next quarterly refresh.

Top S&P 500 holdings

10 of 10 rows · sorted by Value ↓

TickerHoldingSharesValueΔ QoQWeight
$LINLinde plc449K$223M+222K19.9%
$ADIAnalog Devices Inc664K$211M+29.3K18.9%
$DALDelta Air Lines Inc2.49M$165M+71.5K14.8%
$SLBSLB Limited2.96M$152M—13.6%
$UALUnited Airlines Holdings Inc1.53M$141M+301K12.6%
$SWSmurfit WestRock plc1.87M$74.5M+1.61M6.7%
$AESThe AES Corporation523K$48.9M-6.77K4.4%
$ETNEaton Corporation PLC130K$46.4M+19.7K4.1%
$TXNTexas Instruments Incorporated92K$17.9M+14K1.6%
$AMZNAmazon.com Inc77.9K$16.2M+30.4K1.4%

…and 5 more holdings in the full 13F filing (top positions only shown).

SEC Form 13F data sets · public domain · 45-day filing lag · >$100M AUM managers · as reported

← All 13F filers·← QuantOrb.pro

How to read Δ QoQ — the five insight categories, and the caveats

The categories. Analysts, quants and retail traders look past total portfolio value to isolate actionable signals. Five categories matter.

Conviction & concentration shifts

New positions vs complete exits — a brand-new stock signals high conviction; a full liquidation suggests a broken thesis or tax-loss harvesting. Aggressive sizing — look at share count, not dollars: a 20% share increase during a drawdown is strong dip-buying. Concentration — a narrowing top-5/10 means conviction; spreading capital across more names means hedging.

Sector & macro allocation rotations

Aggregating Δ QoQ moves across sectors shows where smart money is leaning in or sneaking out — rotating out of growth into defensives or energy, for example. The fund's total long equity exposure quarter-over-quarter is a proxy for overall institutional risk appetite.

Crowding & smart-money consensus

When several managers initiate or expand the same stock in the same quarter, that is institutional consensus. Contrarian reads: top pickers buying hard into a beaten-down name the market is selling.

Derivative & option overlays

Reported call/put changes indicate whether managers are adding downside hedges or leveraging upside exposure. Note: a long increase may be half of a market-neutral pair trade.

Who reads this

Retail "cloners"High-conviction ideas to replicate ~45 days after quarter-end.
Corporate IRWhich funds bought or dumped the stock, before the next call.
Quant / algo tradersCross-sectional factor inputs: flow, momentum, ownership.

Four caveats before you trade on it

  • 45-day lag — holdings are quarter-end; positions may already be closed.
  • Long-only — 13Fs miss shorts, pair trades and cash.
  • No non-US / fixed income — the picture is US equities plus options.
  • Corporate actions — splits and spinoffs distort raw share deltas.

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