City State Bank
SEC Form 13F institutional filer · CIK 0001910666
13F-HR · 343 reported holdings · 2026-03-31
Reported long-US-equity value
$0.17B
Top-10 concentration
41.5%
City State Bank — $169M AUM allocation strategy
City State Bank files SEC Form 13F and reports $169M of long US equity value across 343 reported holdings for 2026-03-31.
Its largest sector bet is Information Technology 18.8%, followed by Health Care 5.4% and Financials 5.4%.
The top 10 holdings account for 42% 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.
City State Bank — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$169M
total across 343 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
42% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$IVZ +6.75K sh · +$128K+$IVV +6.59K sh · +$540K+$USB +3K sh · +$142K
Biggest trims (shares)
−$AMCR −18.1K sh · −$8.81K−$DVN −4K sh · −$144K−$MU −1.37K sh · +$335K
Exited to nil (held last quarter, gone now)
$DDOG ($16.6K last qtr)$STLD ($8.81K last qtr)$PSKY ($523 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)
- Technology Hardware, Storage & Peripherals8.8%—
- Semiconductors6.4%—
- Pharmaceuticals4.2%—
- Multi-Sector Holdings3.9%—
- Systems Software3.6%—
- Interactive Media & Services3.4%—
- Electric Utilities3.1%—
- Broadline Retail2.5%—
- Other holdings64.0%—
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
8 of 8 rows · sorted by Value ↓
| Ticker | Holding | Shares | Value | Δ QoQ | Weight |
|---|---|---|---|---|---|
| $AAPL | Apple Inc | 58.6K | $14.9M | -876 | 8.8% |
| $BRK.B | Berkshire Hathaway Inc.-Class B | 13.6K | $6.49M | +229 | 3.8% |
| $MSFT | Microsoft Corporation | 16.5K | $6.12M | +1.08K | 3.6% |
| $NVDA | NVIDIA Corporation | 35.1K | $6.11M | +396 | 3.6% |
| $GOOGL | Alphabet Inc | 20.2K | $5.79M | +124 | 3.4% |
| $LNT | Alliant Energy Corporation | 73K | $5.24M | +453 | 3.1% |
| $MU | Micron Technology Inc | 13.8K | $4.67M | -1.37K | 2.8% |
| $AMZN | Amazon.com Inc | 20.3K | $4.24M | +595 | 2.5% |
…and 335 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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