Adelphi Trust Co
SEC Form 13F institutional filer · CIK 0002106968
13F-HR · 87 reported holdings · 2026-03-31
Reported long-US-equity value
$0.10B
Top-10 concentration
44.9%
Adelphi Trust Co — $97.1M AUM allocation strategy
Adelphi Trust Co files SEC Form 13F and reports $97.1M of long US equity value across 87 reported holdings for 2026-03-31.
Its largest sector bet is Information Technology 21.9%, followed by Communication Services 8.7% and Financials 7.7%.
The top 10 holdings account for 45% 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.
Adelphi Trust Co — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$97.1M
total across 87 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
45% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$DOW +8.06K sh · +$566K+$PYPL +4.53K sh · +$123K+$AAPL +4.07K sh · +$651K
Biggest trims (shares)
−$CRM −1.8K sh · −$778K−$VOO −1.77K sh · −$1.14M−$DPZ −1.06K sh · −$477K
Exited to nil (held last quarter, gone now)
$APP ($232K last qtr)$QCOM ($232K last qtr)$GS ($229K last qtr)$IBM ($219K last qtr)$MDT ($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)
- Interactive Media & Services8.7%—
- Semiconductors8.6%—
- Systems Software6.6%—
- Technology Hardware, Storage & Peripherals6.6%—
- Broadline Retail3.4%—
- Integrated Oil & Gas2.8%—
- Transaction & Payment Processing Services2.3%—
- Diversified Banks2.3%—
- Other holdings58.6%—
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
9 of 9 rows · sorted by Value ↓
| Ticker | Holding | Shares | Value | Δ QoQ | Weight |
|---|---|---|---|---|---|
| $MSFT | Microsoft Corporation | 17.4K | $6.43M | +1.7K | 6.6% |
| $AAPL | Apple Inc | 25.3K | $6.41M | +4.07K | 6.6% |
| $NVDA | NVIDIA Corporation | 33K | $5.76M | -243 | 5.9% |
| $GOOG | Alphabet Inc. Class C Capital Stock | 15.4K | $4.43M | +670 | 4.6% |
| $AMZN | Amazon.com Inc | 15.6K | $3.25M | +3.96K | 3.3% |
| $XOM | ExxonMobil Holdings Corporation | 16.3K | $2.76M | +625 | 2.8% |
| $GOOGL | Alphabet Inc | 9.36K | $2.68M | -401 | 2.8% |
| $AVGO | Broadcom Inc | 8.53K | $2.64M | +116 | 2.7% |
| $V | Visa Inc | 7.44K | $2.25M | -112 | 2.3% |
…and 78 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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