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Investment Management Corp of Ontario

SEC Form 13F institutional filer · CIK 0001811568

13F-HR · 458 reported holdings · 2026-03-31

Institutional investment manager.

Reported long-US-equity value

$6.87B

Top-10 concentration

34.5%

Investment Management Corp of Ontario — $6.87B AUM allocation strategy

Investment Management Corp of Ontario files SEC Form 13F and reports $6.87B of long US equity value across 458 reported holdings for 2026-03-31.

Its largest sector bet is Information Technology 19.1%, followed by Communication Services 7.1% and Financials 6.3%.

The top 10 holdings account for 35% of reported value — a broadly spread portfolio. 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.

Investment Management Corp of Ontario — latest SEC 13F insights

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

$6.87B

total across 458 reported holdings · 2026-03-31 · excludes shorts, cash, non-US

Top-10 concentration

35% of value

higher = narrower conviction; lower = spread / hedging

Biggest adds (shares)

$NEE$PPL$SO

+$NEE +568K sh · +$55.2M+$PPL +541K sh · +$20.8M+$SO +492K sh · +$48.4M

Biggest trims (shares)

$IVZ$AMCR$PTC

−$IVZ −2.6M sh · −$60.7M−$AMCR −381K sh · −$1.2M−$PTC −102K sh · −$18.1M

Added from nil (new positions)

$LITE$COHR$Q$CASY

4 fresh holdings — new conviction

Exited to nil (held last quarter, gone now)

$ARE$BXP$BAX$BF.B$FDS

$ARE ($713K last qtr)$BXP ($693K last qtr)$BAX ($664K last qtr)$BF.B ($591K last qtr)$FDS ($583K last qtr)

Sector allocation (share of reported value)

Information Technology 19%Communication Services 7%Financials 6%Consumer Discretionary 5%ETFs 2%Health Care 2%Utilities 2%Energy 1%Other holdings 56%SECTORS
  • $XLKInformation Technology19.1%—
  • $XLCCommunication Services7.1%—
  • $XLFFinancials6.3%—
  • $XLYConsumer Discretionary5.1%—
  • ETFs2.0%—
  • $XLVHealth Care1.8%—
  • $XLUUtilities1.8%—
  • $XLEEnergy0.9%—
  • Other holdings55.8%—

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 9%Interactive Media & Services 7%Technology Hardware, Storage & Peripherals 6%Systems Software 4%Broadline Retail 3%Asset Management & Custody Banks 3%Automobile Manufacturers 2%Pharmaceuticals 2%Other holdings 64%INDUSTRIES
  • Semiconductors8.9%—
  • Interactive Media & Services7.1%—
  • Technology Hardware, Storage & Peripherals6.0%—
  • Systems Software4.2%—
  • Broadline Retail3.2%—
  • Asset Management & Custody Banks3.1%—
  • Automobile Manufacturers1.9%—
  • Pharmaceuticals1.8%—
  • Other holdings63.7%—

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

9 of 9 rows · sorted by Value ↓

TickerHoldingSharesValueΔ QoQWeight
$NVDANVIDIA Corporation2.69M$469M+99.9K6.8%
$AAPLApple Inc1.62M$412M-20.4K6.0%
$MSFTMicrosoft Corporation785K$291M+1.98K4.2%
$AMZNAmazon.com Inc1.05M$220M+40.4K3.2%
$IVZInvesco Ltd10.5M$214M-2.6M3.1%
$GOOGAlphabet Inc. Class C Capital Stock682K$196M+54.6K2.9%
$GOOGLAlphabet Inc538K$154M-4.97K2.2%
$AVGOBroadcom Inc463K$143M-6.92K2.1%
$METAMeta Platforms Inc240K$137M+2.44K2.0%

…and 449 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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