Arlington Capital Management, Inc.
SEC Form 13F institutional filer · CIK 0001606507
13F-HR · 29 reported holdings · 2026-03-31
Reported long-US-equity value
$0.04B
Top-10 concentration
83.9%
Arlington Capital Management, Inc. — $43.6M AUM allocation strategy
Arlington Capital Management, Inc. files SEC Form 13F and reports $43.6M of long US equity value across 29 reported holdings for 2026-03-31.
Its largest sector bet is Information Technology 40.2%, followed by Financials 25.2% and Communication Services 5.9%.
The top 10 holdings account for 84% 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.
Arlington Capital Management, Inc. — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$43.6M
total across 29 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
84% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$BLK +34.2K sh · +$2.08M+$NVDA +524 sh · −$750K+$MNST +178 sh · −$3.11K
Biggest trims (shares)
−$SMCI −930 sh · −$117K−$VRT −614 sh · +$544K−$DELL −325 sh · +$50.7K
Exited to nil (held last quarter, gone now)
$XLK ($530K last qtr)$XLF ($455K last qtr)$XLC ($454K last qtr)$HUBB ($338K last qtr)$ABT ($231K 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)
- Semiconductors31.7%—
- Asset Management & Custody Banks25.2%—
- Interactive Media & Services5.9%—
- Electrical Components & Equipment4.2%—
- Systems Software2.4%—
- Application Software2.3%—
- Technology Hardware, Storage & Peripherals2.1%—
- Communications Equipment1.8%—
- Other holdings24.5%—
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 | 70.1K | $12.2M | +524 | 28.0% |
| $BLK | BlackRock Inc | 217K | $11M | +34.2K | 25.2% |
| $GOOGL | Alphabet Inc | 7.16K | $2.05M | -98 | 4.7% |
| $VRT | Vertiv Holdings LLC | 7.27K | $1.82M | -614 | 4.2% |
| $AVGO | Broadcom Inc | 3.4K | $1.05M | -133 | 2.4% |
| $MSFT | Microsoft Corporation | 2.79K | $1.03M | -47 | 2.4% |
| $PLTR | Palantir Technologies Inc | 6.8K | $995K | +0 | 2.3% |
| $AMZN | Amazon.com Inc | 3.71K | $772K | +0 | 1.8% |
…and 21 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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