Harbour Trust & Investment Management Co
SEC Form 13F institutional filer · CIK 0002003557
13F-HR · 120 reported holdings · 2026-03-31
Bank trust.
Reported long-US-equity value
$0.83B
Top-10 concentration
50.9%
Harbour Trust & Investment Management Co — $830M AUM allocation strategy
Harbour Trust & Investment Management Co files SEC Form 13F and reports $830M of long US equity value across 120 reported holdings for 2026-03-31.
Its largest sector bet is Information Technology 25.2%, followed by Financials 8.7% and Communication Services 7.6%.
The top 10 holdings account for 51% 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.
Harbour Trust & Investment Management Co — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$830M
total across 120 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
51% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$WMB +87.4K sh · +$6.65M+$PLTR +18.4K sh · +$2.62M+$MSFT +12.7K sh · −$1.72M
Biggest trims (shares)
−$CPRT −81.1K sh · −$3.56M−$MAS −55.4K sh · −$3.56M−$NVDA −45.9K sh · −$17.9M
Exited to nil (held last quarter, gone now)
$CMG ($339K last qtr)$GIS ($297K last qtr)$BAC ($270K last qtr)$EBAY ($209K last qtr)$SCHW ($201K last qtr)
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)
- Semiconductors16.2%—
- Interactive Media & Services7.6%—
- Technology Hardware, Storage & Peripherals5.9%—
- Consumer Staples Merchandise Retail3.6%—
- Diversified Banks3.3%—
- Systems Software3.1%—
- Multi-Sector Holdings2.7%—
- Transaction & Payment Processing Services2.6%—
- Other holdings55.0%—
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 ↓
| Ticker | Holding | Shares | Value | Δ QoQ | Weight |
|---|---|---|---|---|---|
| $NVDA | NVIDIA Corporation | 768K | $134M | -45.9K | 16.1% |
| $AAPL | Apple Inc | 195K | $49.5M | -7.39K | 6.0% |
| $GOOGL | Alphabet Inc | 159K | $45.6M | -792 | 5.5% |
| $COST | Costco Wholesale Corporation | 30.3K | $30.2M | +824 | 3.6% |
| $JPM | JP Morgan Chase & Co | 93.4K | $27.5M | +1.38K | 3.3% |
| $MSFT | Microsoft Corporation | 69.2K | $25.6M | +12.7K | 3.1% |
| $BRK.B | Berkshire Hathaway Inc.-Class B | 46.9K | $22.5M | +127 | 2.7% |
| $MA | Mastercard Incorporated | 43.5K | $21.7M | +1.09K | 2.6% |
| $AMZN | Amazon.com Inc | 91.5K | $19.1M | +8.7K | 2.3% |
…and 111 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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