Mattern Wealth Management LLC
SEC Form 13F institutional filer · CIK 0001802376
13F-HR · 105 reported holdings · 2026-03-31
Reported long-US-equity value
$0.19B
Top-10 concentration
51.6%
Mattern Wealth Management LLC — $192M AUM allocation strategy
Mattern Wealth Management LLC files SEC Form 13F and reports $192M of long US equity value across 105 reported holdings for 2026-03-31.
Its largest sector bet is Information Technology 23.8%, followed by Financials 7.8% and Consumer Staples 5.7%.
The top 10 holdings account for 52% 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.
Mattern Wealth Management LLC — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$192M
total across 105 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
52% of value
higher = narrower conviction; lower = spread / hedging
Biggest trims (shares)
−$CVX −4.78K sh · +$126K−$EMR −2.7K sh · −$377K−$MO −2.53K sh · −$76.4K
Exited to nil (held last quarter, gone now)
$BRO ($229K last qtr)$FDS ($229K last qtr)$PAYX ($226K last qtr)$GE ($210K last qtr)$KMB ($205K 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)
- Systems Software9.9%—
- Technology Hardware, Storage & Peripherals9.4%—
- Consumer Staples Merchandise Retail5.7%—
- Semiconductors4.5%—
- Diversified Banks4.0%—
- Interactive Media & Services3.7%—
- Construction Machinery & Heavy Transportation Equipment3.6%—
- Integrated Oil & Gas3.6%—
- Other holdings55.6%—
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 |
|---|---|---|---|---|---|
| $MSFT | Microsoft Corporation | 51.1K | $18.9M | +350 | 9.9% |
| $AAPL | Apple Inc | 71.1K | $18M | -1.11K | 9.4% |
| $JPM | JP Morgan Chase & Co | 26.1K | $7.68M | +379 | 4.0% |
| $GOOG | Alphabet Inc. Class C Capital Stock | 24.6K | $7.06M | -98 | 3.7% |
| $CAT | Caterpillar Inc | 9.77K | $6.92M | -40 | 3.6% |
| $COST | Costco Wholesale Corporation | 6.21K | $6.18M | +130 | 3.2% |
| $NVDA | NVIDIA Corporation | 33.4K | $5.83M | -78 | 3.0% |
| $AMZN | Amazon.com Inc | 27.8K | $5.8M | -161 | 3.0% |
| $WMT | Walmart Inc | 38.1K | $4.74M | -546 | 2.5% |
…and 96 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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