Sentinel Dome Partners, LLC
SEC Form 13F institutional filer · CIK 0002114194
13F-HR · 15 reported holdings · 2026-03-31
Reported long-US-equity value
$0.04B
Top-10 concentration
85.7%
Sentinel Dome Partners, LLC — $37.4M AUM allocation strategy
Sentinel Dome Partners, LLC files SEC Form 13F and reports $37.4M of long US equity value across 15 reported holdings for 2026-03-31.
Its largest sector bet is Consumer Discretionary 40.3%, followed by Communication Services 34.6% and Financials 17.9%.
The top 10 holdings account for 86% 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.
Sentinel Dome Partners, LLC — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$37.4M
total across 15 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
86% of value
higher = narrower conviction; lower = spread / hedging
Biggest trims (shares)
−$NCLH −10K sh · −$461K−$BX −8K sh · −$2.43M−$MA −4.85K sh · −$3.15M
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)
- Broadline Retail17.6%—
- Wireless Telecommunication Services15.5%—
- Movies & Entertainment10.4%—
- Home Improvement Retail9.7%—
- Asset Management & Custody Banks9.4%—
- Hotels, Resorts & Cruise Lines9.2%—
- Transaction & Payment Processing Services7.1%—
- Interactive Media & Services6.3%—
- Other holdings14.8%—
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
10 of 10 rows · sorted by Value ↓
| Ticker | Holding | Shares | Value | Δ QoQ | Weight |
|---|---|---|---|---|---|
| $AMZN | Amazon.com Inc | 31.7K | $6.6M | +8.3K | 17.6% |
| $ECHO | EchoStar Corporation | 49.5K | $5.79M | +1.5K | 15.5% |
| $NFLX | Netflix Inc | 40.5K | $3.89M | — | 10.4% |
| $BX | Blackstone Inc | 30.6K | $3.52M | -8K | 9.4% |
| $MA | Mastercard Incorporated | 5.3K | $2.65M | -4.85K | 7.1% |
| $META | Meta Platforms Inc | 4.1K | $2.35M | -1.1K | 6.3% |
| $HLT | Hilton Worldwide Holdings Inc | 7.25K | $2.2M | -4.6K | 5.9% |
| $HD | Home Depot Inc | 6.35K | $2.09M | -2.4K | 5.6% |
| $LOW | Lowe's Companies Inc | 6.5K | $1.54M | — | 4.1% |
| $DASH | DoorDash Inc | 9.5K | $1.43M | -4.2K | 3.8% |
…and 5 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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