Eaton-Cambridge Inc.
SEC Form 13F institutional filer · CIK 0002011052
13F-HR · 26 reported holdings · 2026-03-31
Reported long-US-equity value
$0.06B
Top-10 concentration
91.9%
Eaton-Cambridge Inc. — $63.4M AUM allocation strategy
Eaton-Cambridge Inc. files SEC Form 13F and reports $63.4M of long US equity value across 26 reported holdings for 2026-03-31.
Its largest sector bet is Information Technology 14.8%, followed by Communication Services 3.7% and Financials 3.1%.
The top 10 holdings account for 92% 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.
Eaton-Cambridge Inc. — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$63.4M
total across 26 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
92% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$NVDA +3.58K sh · +$402K+$AAPL +2.45K sh · +$414K+$AMZN +2.14K sh · +$327K
Exited to nil (held last quarter, gone now)
None this quarter
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)
- Semiconductors7.3%—
- Technology Hardware, Storage & Peripherals5.6%—
- Interactive Media & Services3.7%—
- Broadline Retail2.5%—
- Systems Software2.0%—
- Asset Management & Custody Banks1.8%—
- Pharmaceuticals1.7%—
- Diversified Banks0.8%—
- Other holdings74.8%—
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 |
|---|---|---|---|---|---|
| $NVDA | NVIDIA Corporation | 22K | $3.84M | +3.58K | 6.1% |
| $AAPL | Apple Inc | 14K | $3.54M | +2.45K | 5.6% |
| $AMZN | Amazon.com Inc | 7.42K | $1.54M | +2.14K | 2.4% |
| $MSFT | Microsoft Corporation | 3.35K | $1.24M | +1.14K | 2.0% |
| $BLK | BlackRock Inc | 9.74K | $1.1M | +0 | 1.7% |
| $GOOG | Alphabet Inc. Class C Capital Stock | 3.63K | $1.04M | +1.19K | 1.6% |
| $META | Meta Platforms Inc | 1.44K | $822K | +421 | 1.3% |
| $LLY | Eli Lilly and Company | 874 | $804K | +148 | 1.3% |
…and 18 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.
Newsletter signup
Free subscription. Daily trading day morning dispatch. No spam.