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MARK ASSET MANAGEMENT LP

SEC Form 13F institutional filer · CIK 0000860176

13F-HR · 22 reported holdings · 2026-03-31

Reported long-US-equity value

$0.58B

Top-10 concentration

86.7%

MARK ASSET MANAGEMENT LP — $583M AUM allocation strategy

MARK ASSET MANAGEMENT LP files SEC Form 13F and reports $583M of long US equity value across 22 reported holdings for 2026-03-31.

Its largest sector bet is Communication Services 30.8%, followed by Industrials 24.2% and Information Technology 24.1%.

The top 10 holdings account for 87% 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.

MARK ASSET MANAGEMENT LP — latest SEC 13F insights

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

$583M

total across 22 reported holdings · 2026-03-31 · excludes shorts, cash, non-US

Top-10 concentration

87% of value

higher = narrower conviction; lower = spread / hedging

Biggest adds (shares)

$PSKY$WYNN$AMZN

+$PSKY +316K sh · +$616K+$WYNN +63.6K sh · +$1.45M+$AMZN +26.4K sh · −$18.5K

Biggest trims (shares)

$DIS$ORCL$RTX

−$DIS −184K sh · −$22.6M−$ORCL −78.3K sh · −$18.2M−$RTX −12.5K sh · −$292K

Added from nil (new positions)

$MU$GLW

2 fresh holdings — new conviction

Exited to nil (held last quarter, gone now)

$MSFT$WFC$CRM$UNP$NKE

$MSFT ($52.7M last qtr)$WFC ($11.1M last qtr)$CRM ($10.1M last qtr)$UNP ($9.77M last qtr)$NKE ($6.82M last qtr)

Sector allocation (share of reported value)

Communication Services 31%Industrials 24%Information Technology 24%Consumer Discretionary 16%Financials 5%Other holdings 0%SECTORS
  • $XLCCommunication Services30.8%
  • $XLIIndustrials24.2%
  • $XLKInformation Technology24.1%
  • $XLYConsumer Discretionary15.6%
  • $XLFFinancials5.0%
  • Other holdings0.3%

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)

Interactive Media & Services 26%Aerospace & Defense 16%Semiconductors 16%Broadline Retail 10%Heavy Electrical Equipment 8%Casinos & Gaming 6%Technology Hardware, Storage & Peripherals 5%Movies & Entertainment 5%Other holdings 9%INDUSTRIES
  • Interactive Media & Services26.0%
  • Aerospace & Defense15.8%
  • Semiconductors15.6%
  • Broadline Retail9.7%
  • Heavy Electrical Equipment8.4%
  • Casinos & Gaming5.8%
  • Technology Hardware, Storage & Peripherals5.4%
  • Movies & Entertainment4.8%
  • Other holdings8.5%

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
$NVDANVIDIA Corporation477K$83.2M+23K14.3%
$METAMeta Platforms Inc132K$75.6M+2.24K13.0%
$GOOGAlphabet Inc. Class C Capital Stock252K$72.3M+2.61K12.4%
$AMZNAmazon.com Inc271K$56.4M+26.4K9.7%
$GEVGE Vernova Inc55.9K$48.8M-3.16K8.4%
$BABoeing Company206K$41M-4.71K7.0%
$RTXRTX Corporation210K$40.6M-12.5K7.0%
$WYNNWynn Resorts Limited330K$33.6M+63.6K5.8%
$AAPLApple Inc124K$31.5M+24.5K5.4%
$COFCapital One Financial Corporation124K$22.6M+4.09K3.9%

…and 12 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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