FIRST AMERICAN TRUST, FSB
SEC Form 13F institutional filer · CIK 0000036066
13F-HR · 147 reported holdings · 2026-03-31
First American Trust, FSB is a bank trust department.
Reported long-US-equity value
$0.96B
Top-10 concentration
43.9%
FIRST AMERICAN TRUST, FSB — $964M AUM allocation strategy
FIRST AMERICAN TRUST, FSB files SEC Form 13F and reports $964M of long US equity value across 147 reported holdings for 2026-03-31.
Its largest sector bet is Information Technology 22.6%, followed by Financials 17.0% and Communication Services 5.3%.
The top 10 holdings account for 44% 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.
FIRST AMERICAN TRUST, FSB — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$964M
total across 147 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
44% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$IVZ +274K sh · +$22.9M+$IVV +235K sh · +$15.9M+$GS +87.3K sh · +$4.98M
Biggest trims (shares)
−$CMS −104K sh · −$7.07M−$BSX −63.2K sh · −$6.59M−$BLK −55.9K sh · −$5.66M
Exited to nil (held last quarter, gone now)
$XYL ($5.82M last qtr)$TRMB ($4.8M last qtr)$MRVL ($3.88M last qtr)$MAR ($1.19M last qtr)$APP ($1.19M 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)
- Technology Hardware, Storage & Peripherals8.4%—
- Asset Management & Custody Banks7.6%—
- Semiconductors7.3%—
- Systems Software6.8%—
- Interactive Media & Services5.3%—
- Diversified Banks4.0%—
- Investment Banking & Brokerage3.6%—
- Broadline Retail3.1%—
- Other holdings53.9%—
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 |
|---|---|---|---|---|---|
| $AAPL | Apple Inc | 318K | $80.7M | -15.5K | 8.4% |
| $MSFT | Microsoft Corporation | 178K | $65.8M | +38.7K | 6.8% |
| $NVDA | NVIDIA Corporation | 296K | $51.7M | +12.8K | 5.4% |
| $BLK | BlackRock Inc | 475K | $37.2M | -55.9K | 3.9% |
| $IVZ | Invesco Ltd | 693K | $36M | +274K | 3.7% |
| $GOOG | Alphabet Inc. Class C Capital Stock | 121K | $34.7M | -6.83K | 3.6% |
| $GS | Goldman Sachs Group Inc | 384K | $34.1M | +87.3K | 3.5% |
| $AMZN | Amazon.com Inc | 143K | $29.8M | -39.3K | 3.1% |
| $JPM | JP Morgan Chase & Co | 85.1K | $25M | -10.4K | 2.6% |
…and 138 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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