Mathes Company, Inc.
SEC Form 13F institutional filer · CIK 0001389223
13F-HR · 82 reported holdings · 2026-03-31
Reported long-US-equity value
$0.00B
Top-10 concentration
48.6%
Mathes Company, Inc. — $215K AUM allocation strategy
Mathes Company, Inc. files SEC Form 13F and reports $215K of long US equity value across 82 reported holdings for 2026-03-31.
Its largest sector bet is Industrials 23.7%, followed by Information Technology 14.8% and Financials 7.2%.
The top 10 holdings account for 49% 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.
Mathes Company, Inc. — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$215K
total across 82 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
49% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$BLK +19.8K sh · +$303+$NOW +6.1K sh · +$506+$HBAN +4.5K sh · +$49
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)
- Semiconductors7.5%—
- Heavy Electrical Equipment7.1%—
- Construction Machinery & Heavy Transportation Equipment7.0%—
- Interactive Media & Services5.7%—
- Technology Hardware, Storage & Peripherals4.9%—
- Broadline Retail3.9%—
- Aerospace & Defense3.7%—
- Diversified Banks3.2%—
- Other holdings56.8%—
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 |
|---|---|---|---|---|---|
| $GEV | GE Vernova Inc | 17.4K | $15.2K | +10 | 7.1% |
| $GOOG | Alphabet Inc. Class C Capital Stock | 42.8K | $12.3K | -1.71K | 5.7% |
| $NVDA | NVIDIA Corporation | 65K | $11.3K | -48 | 5.3% |
| $AAPL | Apple Inc | 41.6K | $10.6K | +100 | 4.9% |
| $CAT | Caterpillar Inc | 13.4K | $9.46K | -60 | 4.4% |
| $AMZN | Amazon.com Inc | 40.8K | $8.49K | +285 | 4.0% |
| $GE | GE Aerospace | 28.3K | $8.02K | -167 | 3.7% |
| $JPM | JP Morgan Chase & Co | 39.6K | $7K | +330 | 3.3% |
…and 74 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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