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SBI Securities Co., Ltd.

SEC Form 13F institutional filer · CIK 0001851815

13F-HR · 480 reported holdings · 2026-03-31

SEC-registered institutional investment manager.

Reported long-US-equity value

$2.34B

Top-10 concentration

63.6%

SBI Securities Co., Ltd. — $2.34B AUM allocation strategy

SBI Securities Co., Ltd. files SEC Form 13F and reports $2.34B of long US equity value across 480 reported holdings for 2026-03-31.

Its largest sector bet is Information Technology 33.0%, followed by Consumer Discretionary 7.6% and Communication Services 7.5%.

The top 10 holdings account for 64% 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.

SBI Securities Co., Ltd. — latest SEC 13F insights

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

$2.34B

total across 480 reported holdings · 2026-03-31 · excludes shorts, cash, non-US

Top-10 concentration

64% of value

higher = narrower conviction; lower = spread / hedging

Biggest adds (shares)

$BLK$MU$XLE

+$BLK +38.2K sh · +$902K+$MU +25.9K sh · +$11.7M+$XLE +22.1K sh · +$1.84M

Biggest trims (shares)

$NVDA$CCL$ED

−$NVDA −112K sh · −$50.7M−$CCL −53.8K sh · −$2.22M−$ED −39.8K sh · −$3.9M

Added from nil (new positions)

None this quarter

Exited to nil (held last quarter, gone now)

$BRK.B$ACGL$ACN$NVR$AVY

$BRK.B ($37.3M last qtr)$ACGL ($177K last qtr)$ACN ($95K last qtr)$NVR ($7.29K last qtr)$AVY ($546 last qtr)

Sector allocation (share of reported value)

Information Technology 33%ETFs 25%Consumer Discretionary 8%Communication Services 7%Financials 2%Health Care 1%Energy 1%Other holdings 22%SECTORS
  • $XLKInformation Technology33.0%
  • ETFs25.4%
  • $XLYConsumer Discretionary7.6%
  • $XLCCommunication Services7.5%
  • $XLFFinancials2.1%
  • $XLVHealth Care1.2%
  • $XLEEnergy0.9%
  • Other holdings22.3%

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)

Semiconductors 20%Interactive Media & Services 7%Technology Hardware, Storage & Peripherals 5%Automobile Manufacturers 4%Broadline Retail 3%Application Software 3%Systems Software 3%Pharmaceuticals 1%Other holdings 52%INDUSTRIES
  • Semiconductors20.5%
  • Interactive Media & Services7.5%
  • Technology Hardware, Storage & Peripherals5.1%
  • Automobile Manufacturers4.1%
  • Broadline Retail3.5%
  • Application Software3.3%
  • Systems Software3.2%
  • Pharmaceuticals1.2%
  • Other holdings51.8%

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

6 of 6 rows · sorted by Value ↓

TickerHoldingSharesValueΔ QoQWeight
$NVDANVIDIA Corporation2.46M$429M-112K18.3%
$AAPLApple Inc470K$119M-2.68K5.1%
$TSLATesla Inc262K$97.5M-4.39K4.2%
$GOOGAlphabet Inc. Class C Capital Stock312K$89.6M-8.77K3.8%
$AMZNAmazon.com Inc392K$81.6M-6.07K3.5%
$PLTRPalantir Technologies Inc529K$77.4M-27.7K3.3%

…and 474 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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