South Street Advisors LLC
SEC Form 13F institutional filer · CIK 0001399706
13F-HR · 55 reported holdings · 2026-03-31
Reported long-US-equity value
$0.47B
Top-10 concentration
67.2%
South Street Advisors LLC — $473M AUM allocation strategy
South Street Advisors LLC files SEC Form 13F and reports $473M of long US equity value across 55 reported holdings for 2026-03-31.
Its largest sector bet is Information Technology 34.3%, followed by Industrials 16.8% and Consumer Discretionary 15.7%.
The top 10 holdings account for 67% 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.
South Street Advisors LLC — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$473M
total across 55 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
67% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$WEC +3.31K sh · +$2.08M+$ORLY +1.95K sh · +$373K+$XOM +1.57K sh · +$773K
Biggest trims (shares)
−$BX −57.4K sh · −$8.94M−$APH −8.31K sh · −$3.47M−$NVDA −3.58K sh · −$4.76M
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)
- Semiconductors12.5%—
- Interactive Media & Services9.9%—
- Aerospace & Defense8.9%—
- Systems Software8.1%—
- Electronic Components7.1%—
- Construction & Engineering6.9%—
- Technology Hardware, Storage & Peripherals6.7%—
- Apparel Retail5.6%—
- Other holdings34.5%—
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
10 of 10 rows · sorted by Value ↓
| Ticker | Holding | Shares | Value | Δ QoQ | Weight |
|---|---|---|---|---|---|
| $NVDA | NVIDIA Corporation | 338K | $58.9M | -3.58K | 12.5% |
| $APH | Amphenol Corporation | 267K | $33.8M | -8.31K | 7.1% |
| $GOOG | Alphabet Inc. Class C Capital Stock | 114K | $32.9M | -2.38K | 7.0% |
| $PWR | Quanta Services Inc | 59.3K | $32.6M | -1.03K | 6.9% |
| $AAPL | Apple Inc | 125K | $31.6M | -375 | 6.7% |
| $HWM | Howmet Aerospace Inc | 119K | $27.3M | -3.42K | 5.8% |
| $MSFT | Microsoft Corporation | 72.2K | $26.7M | +22 | 5.7% |
| $TJX | TJX Companies Inc | 164K | $26.2M | -1.71K | 5.5% |
| $LLY | Eli Lilly and Company | 27.9K | $25.7M | -492 | 5.4% |
| $HLT | Hilton Worldwide Holdings Inc | 72.9K | $22.2M | -214 | 4.7% |
…and 45 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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