Coastline Trust Co
SEC Form 13F institutional filer · CIK 0001324279
13F-HR · 248 reported holdings · 2026-03-31
Reported long-US-equity value
$0.84B
Top-10 concentration
57.3%
Coastline Trust Co — $841M AUM allocation strategy
Coastline Trust Co files SEC Form 13F and reports $841M of long US equity value across 248 reported holdings for 2026-03-31.
Its largest sector bet is Information Technology 21.6%, followed by Communication Services 10.5% and Consumer Discretionary 3.7%.
The top 10 holdings account for 57% 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.
Coastline Trust Co — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$841M
total across 248 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
57% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$IVV +30.2K sh · +$1.71M+$MRK +9.35K sh · +$1.49M+$SPGI +2.63K sh · +$286K
Biggest trims (shares)
−$NVDA −16.6K sh · −$8.8M−$SRE −15.3K sh · −$1.35M−$IWM −15.1K sh · −$2.6M
Exited to nil (held last quarter, gone now)
$AMP ($637K last qtr)$BEN ($49.9K last qtr)$FDS ($49.3K last qtr)$MET ($33.9K last qtr)$CMG ($32.2K 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)
- Semiconductors9.8%—
- Interactive Media & Services9.0%—
- Systems Software6.1%—
- Technology Hardware, Storage & Peripherals5.7%—
- Broadline Retail3.7%—
- Consumer Staples Merchandise Retail2.4%—
- Pharmaceuticals2.3%—
- Movies & Entertainment1.4%—
- Other holdings59.5%—
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
7 of 7 rows · sorted by Value ↓
| Ticker | Holding | Shares | Value | Δ QoQ | Weight |
|---|---|---|---|---|---|
| $NVDA | NVIDIA Corporation | 472K | $82.3M | -16.6K | 9.8% |
| $GOOG | Alphabet Inc. Class C Capital Stock | 173K | $49.7M | -3.84K | 5.9% |
| $AAPL | Apple Inc | 189K | $47.8M | -1.79K | 5.7% |
| $MSFT | Microsoft Corporation | 104K | $38.4M | -3.03K | 4.6% |
| $AMZN | Amazon.com Inc | 151K | $31.5M | +25 | 3.7% |
| $META | Meta Platforms Inc | 45.4K | $26M | +308 | 3.1% |
| $LLY | Eli Lilly and Company | 20.9K | $19.2M | +672 | 2.3% |
…and 241 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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