St. Clair Advisors, LLC
SEC Form 13F institutional filer · CIK 0002056292
13F-HR · 59 reported holdings · 2026-03-31
Reported long-US-equity value
$0.34B
Top-10 concentration
77.7%
St. Clair Advisors, LLC — $339M AUM allocation strategy
St. Clair Advisors, LLC files SEC Form 13F and reports $339M of long US equity value across 59 reported holdings for 2026-03-31.
Its largest sector bet is Information Technology 12.8%, followed by Financials 8.9% and Communication Services 3.2%.
The top 10 holdings account for 78% 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.
St. Clair Advisors, LLC — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$339M
total across 59 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
78% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$IWM +55.2K sh · +$12.9M+$IVV +31.9K sh · −$14.9M+$PANW +1.35K sh · −$187K
Biggest trims (shares)
−$CSCO −5.4K sh · −$405K−$AAPL −2.43K sh · −$2.14M−$PGR −2.21K sh · −$2.46M
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 & Peripherals6.1%—
- Systems Software5.5%—
- Property & Casualty Insurance3.9%—
- Interactive Media & Services3.2%—
- Investment Banking & Brokerage2.6%—
- Soft Drinks & Non-alcoholic Beverages2.2%—
- Asset Management & Custody Banks1.6%—
- Pharmaceuticals1.6%—
- Other holdings73.3%—
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
8 of 8 rows · sorted by Value ↓
| Ticker | Holding | Shares | Value | Δ QoQ | Weight |
|---|---|---|---|---|---|
| $AAPL | Apple Inc | 81.8K | $20.8M | -2.43K | 6.1% |
| $MSFT | Microsoft Corporation | 50.3K | $18.6M | -1.5K | 5.5% |
| $PGR | Progressive Corporation | 66.3K | $13.1M | -2.21K | 3.9% |
| $SCHW | Charles Schwab Corporation | 355K | $8.79M | — | 2.6% |
| $GOOG | Alphabet Inc. Class C Capital Stock | 21.5K | $6.17M | -830 | 1.8% |
| $BLK | BlackRock Inc | 48K | $5.43M | -2.03K | 1.6% |
| $JNJ | Johnson & Johnson | 22K | $5.37M | +0 | 1.6% |
| $ETN | Eaton Corporation PLC | 14.5K | $5.19M | +550 | 1.5% |
…and 51 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
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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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