Seneca House Advisors
SEC Form 13F institutional filer · CIK 0001731359
13F-HR · 65 reported holdings · 2026-03-31
Reported long-US-equity value
$0.16B
Top-10 concentration
58.7%
Seneca House Advisors — $162M AUM allocation strategy
Seneca House Advisors files SEC Form 13F and reports $162M of long US equity value across 65 reported holdings for 2026-03-31.
Its largest sector bet is Financials 27.3%, followed by Information Technology 13.6% and Communication Services 10.7%.
The top 10 holdings account for 59% 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.
Seneca House Advisors — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$162M
total across 65 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
59% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$V +6.61K sh · +$1.7M+$CRWD +4.66K sh · +$1.11M+$TJX +3.31K sh · +$673K
Biggest trims (shares)
−$BX −26.9K sh · −$4.78M−$NEE −26.1K sh · −$2.02M−$MO −19.3K sh · −$363K
Exited to nil (held last quarter, gone now)
$TMO ($632K last qtr)$MTB ($288K last qtr)$ELV ($232K last qtr)$UNH ($222K last qtr)$XLV ($213K 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)
- Asset Management & Custody Banks14.6%—
- Interactive Media & Services10.7%—
- Systems Software10.4%—
- Diversified Banks4.5%—
- Construction Materials4.0%—
- Investment Banking & Brokerage3.8%—
- Tobacco3.7%—
- Technology Hardware, Storage & Peripherals3.2%—
- Other holdings45.2%—
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 |
|---|---|---|---|---|---|
| $IVZ | Invesco Ltd | 128K | $21.7M | -5.92K | 13.4% |
| $GOOG | Alphabet Inc. Class C Capital Stock | 54.4K | $15.7M | -7.44K | 9.7% |
| $MSFT | Microsoft Corporation | 30.9K | $11.4M | +1.29K | 7.1% |
| $JPM | JP Morgan Chase & Co | 24.9K | $7.32M | -7.56K | 4.5% |
| $VMC | Vulcan Materials Company | 23.6K | $6.44M | -3.54K | 4.0% |
| $SCHW | Charles Schwab Corporation | 152K | $6.1M | -18.7K | 3.8% |
| $MO | Altria Group Inc | 89.8K | $5.93M | -19.3K | 3.7% |
| $CRWD | CrowdStrike Holdings Inc | 13.7K | $5.36M | +4.66K | 3.3% |
| $AAPL | Apple Inc | 20.3K | $5.16M | +346 | 3.2% |
…and 56 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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