Manitou Investment Management Ltd.
SEC Form 13F institutional filer · CIK 0001657428
13F-HR · 39 reported holdings · 2026-03-31
Reported long-US-equity value
$0.50B
Top-10 concentration
90.2%
Manitou Investment Management Ltd. — $500M AUM allocation strategy
Manitou Investment Management Ltd. files SEC Form 13F and reports $500M of long US equity value across 39 reported holdings for 2026-03-31.
Its largest sector bet is Information Technology 26.6%, followed by Financials 26.0% and Communication Services 18.1%.
The top 10 holdings account for 90% 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.
Manitou Investment Management Ltd. — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$500M
total across 39 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
90% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$AMZN +61.2K sh · +$7.84M+$ROP +42K sh · +$7.55M+$MSFT +22.7K sh · −$3.22M
Biggest trims (shares)
−$JPM −67.5K sh · −$23M−$APH −50.8K sh · −$9.03M−$GOOG −46K sh · −$20.4M
Added from nil (new positions)
None this quarter
Sector allocation (share of reported value)
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 & Services18.1%—
- Health Care Equipment16.3%—
- Multi-Sector Holdings16.2%—
- Broadline Retail11.6%—
- Systems Software9.3%—
- Electronic Equipment & Instruments8.7%—
- Transaction & Payment Processing Services7.2%—
- Electronic Components6.2%—
- Other holdings6.6%—
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 ↓
| Ticker | Holding | Shares | Value | Δ QoQ | Weight |
|---|---|---|---|---|---|
| $BRK.B | Berkshire Hathaway Inc.-Class B | 168K | $80.5M | -917 | 16.1% |
| $GOOG | Alphabet Inc. Class C Capital Stock | 236K | $68M | -46K | 13.6% |
| $AMZN | Amazon.com Inc | 279K | $58M | +61.2K | 11.6% |
| $MSFT | Microsoft Corporation | 125K | $46.3M | +22.7K | 9.3% |
| $ROP | Roper Technologies Inc | 122K | $43.2M | +42K | 8.7% |
| $IDXX | IDEXX Laboratories Inc | 69.6K | $39.1M | +606 | 7.8% |
| $MA | Mastercard Incorporated | 69.2K | $34.6M | -337 | 6.9% |
| $APH | Amphenol Corporation | 247K | $31.2M | -50.8K | 6.2% |
| $SYK | Stryker Corporation | 83.5K | $27.4M | +373 | 5.5% |
| $META | Meta Platforms Inc | 39K | $22.3M | +11.5K | 4.5% |
…and 29 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 IR | Which funds bought or dumped the stock, before the next call. |
| Quant / algo traders | Cross-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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