FIRST NATIONAL BANK SIOUX FALLS
SEC Form 13F institutional filer · CIK 0001085041
13F-HR · 95 reported holdings · 2026-03-31
Reported long-US-equity value
$0.18B
Top-10 concentration
60.0%
FIRST NATIONAL BANK SIOUX FALLS — $182M AUM allocation strategy
FIRST NATIONAL BANK SIOUX FALLS files SEC Form 13F and reports $182M of long US equity value across 95 reported holdings for 2026-03-31.
Its largest sector bet is Financials 21.8%, followed by Information Technology 6.1% and Industrials 3.3%.
The top 10 holdings account for 60% 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.
FIRST NATIONAL BANK SIOUX FALLS — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$182M
total across 95 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
60% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$SCHW +12.1K sh · +$255K+$IVV +6.89K sh · +$2.26M+$IVZ +4.37K sh · +$1.35M
Biggest trims (shares)
−$WFC −908 sh · −$246K−$BAC −590 sh · −$75.1K−$ORCL −531 sh · −$303K
Exited to nil (held last quarter, gone now)
$ADBE ($245K last qtr)$QCOM ($239K last qtr)$COF ($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)
- Asset Management & Custody Banks9.4%—
- Investment Banking & Brokerage5.0%—
- Broadline Retail3.2%—
- Transaction & Payment Processing Services3.2%—
- Technology Hardware, Storage & Peripherals3.2%—
- Multi-Sector Holdings2.9%—
- Construction Machinery & Heavy Transportation Equipment2.4%—
- Interactive Media & Services1.8%—
- Other holdings69.0%—
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
6 of 6 rows · sorted by Value ↓
| Ticker | Holding | Shares | Value | Δ QoQ | Weight |
|---|---|---|---|---|---|
| $IVZ | Invesco Ltd | 56.6K | $11.4M | +4.37K | 6.2% |
| $SCHW | Charles Schwab Corporation | 284K | $9.12M | +12.1K | 5.0% |
| $AMZN | Amazon.com Inc | 23.6K | $5.9M | +100 | 3.2% |
| $AAPL | Apple Inc | 22.2K | $5.86M | -293 | 3.2% |
| $BRK.B | Berkshire Hathaway Inc.-Class B | 11.1K | $5.29M | +351 | 2.9% |
| $CAT | Caterpillar Inc | 5.65K | $4.37M | -2 | 2.4% |
…and 89 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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