LATHROP INVESTMENT MANAGEMENT CO
SEC Form 13F institutional filer · CIK 0001124841
13F-HR · 66 reported holdings · 2026-03-31
Reported long-US-equity value
$0.00B
Top-10 concentration
46.3%
LATHROP INVESTMENT MANAGEMENT CO — $459K AUM allocation strategy
LATHROP INVESTMENT MANAGEMENT CO files SEC Form 13F and reports $459K of long US equity value across 66 reported holdings for 2026-03-31.
Its largest sector bet is Information Technology 18.9%, followed by Industrials 14.3% and Energy 11.2%.
The top 10 holdings account for 46% 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.
LATHROP INVESTMENT MANAGEMENT CO — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$459K
total across 66 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
46% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$SCHW +126K sh · +$1.79K+$SLB +40.8K sh · +$4.52K+$NKE +9.68K sh · −$587
Biggest trims (shares)
−$CVS −32.4K sh · −$3.18K−$KMI −26K sh · +$2.96K−$WMT −25.9K sh · −$7
Exited to nil (held last quarter, gone now)
None this quarter
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)
- Investment Banking & Brokerage6.9%—
- Consumer Staples Merchandise Retail6.1%—
- Semiconductors4.5%—
- Oil & Gas Storage & Transportation4.5%—
- Aerospace & Defense4.4%—
- Integrated Oil & Gas4.2%—
- Health Care Services4.0%—
- Systems Software4.0%—
- Other holdings61.4%—
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 |
|---|---|---|---|---|---|
| $SCHW | Charles Schwab Corporation | 758K | $31.8K | +126K | 6.9% |
| $WMT | Walmart Inc | 224K | $27.8K | -25.9K | 6.1% |
| $ADI | Analog Devices Inc | 65.6K | $20.9K | -2.31K | 4.5% |
| $KMI | Kinder Morgan Inc | 608K | $20.4K | -26K | 4.4% |
| $RTX | RTX Corporation | 104K | $20.1K | -9.51K | 4.4% |
| $XOM | ExxonMobil Holdings Corporation | 115K | $19.4K | +4.54K | 4.2% |
| $LH | Labcorp Holdings Inc | 69.4K | $18.5K | -74 | 4.0% |
| $MSFT | Microsoft Corporation | 49.5K | $18.3K | -1.91K | 4.0% |
| $AAPL | Apple Inc | 70K | $17.8K | -318 | 3.9% |
| $MLM | Martin Marietta Materials Inc | 29.8K | $17.5K | -1.08K | 3.8% |
…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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