River Street Advisors LLC
SEC Form 13F institutional filer · CIK 0001964897
13F-HR · 99 reported holdings · 2026-03-31
Reported long-US-equity value
$0.21B
Top-10 concentration
42.9%
River Street Advisors LLC — $214M AUM allocation strategy
River Street Advisors LLC files SEC Form 13F and reports $214M of long US equity value across 99 reported holdings for 2026-03-31.
Its largest sector bet is Information Technology 18.3%, followed by Financials 17.5% and Industrials 4.5%.
The top 10 holdings account for 43% of reported value — a broadly spread portfolio. 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.
River Street Advisors LLC — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$214M
total across 99 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
43% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$IVZ +67.4K sh · +$1.53M+$BLK +31.7K sh · +$453K+$TROW +22.4K sh · +$1.1M
Biggest trims (shares)
−$XLE −10.8K sh · −$387K−$KLAC −529 sh · −$106K−$GOOGL −315 sh · −$157K
Exited to nil (held last quarter, gone now)
$ADBE ($598K last qtr)$META ($290K last qtr)$NOW ($204K last qtr)$XLK ($192K 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 Banks11.1%—
- Semiconductors8.0%—
- Construction Machinery & Heavy Transportation Equipment4.5%—
- Technology Hardware, Storage & Peripherals3.8%—
- Pharmaceuticals3.5%—
- Diversified Banks3.1%—
- Interactive Media & Services3.0%—
- Systems Software2.8%—
- Other holdings60.2%—
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
8 of 8 rows · sorted by Value ↓
| Ticker | Holding | Shares | Value | Δ QoQ | Weight |
|---|---|---|---|---|---|
| $IVZ | Invesco Ltd | 672K | $13.2M | +67.4K | 6.2% |
| $NVDA | NVIDIA Corporation | 58.1K | $10.1M | +1.21K | 4.7% |
| $AAPL | Apple Inc | 32.2K | $8.17M | +1.63K | 3.8% |
| $AVGO | Broadcom Inc | 22.2K | $6.88M | +1.5K | 3.2% |
| $JPM | JP Morgan Chase & Co | 22.5K | $6.61M | +1.23K | 3.1% |
| $GOOG | Alphabet Inc. Class C Capital Stock | 22.3K | $6.41M | +2.52K | 3.0% |
| $MSFT | Microsoft Corporation | 16.5K | $6.1M | +2.23K | 2.9% |
| $BEN | Franklin Templeton Inc | 183K | $6.08M | +16K | 2.8% |
…and 91 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.
Newsletter signup
Free subscription. Daily trading day morning dispatch. No spam.