MERIDIAN MANAGEMENT CO
SEC Form 13F institutional filer · CIK 0000806097
13F-HR · 54 reported holdings · 2026-03-31
Reported long-US-equity value
$0.26B
Top-10 concentration
61.6%
MERIDIAN MANAGEMENT CO — $264M AUM allocation strategy
MERIDIAN MANAGEMENT CO files SEC Form 13F and reports $264M of long US equity value across 54 reported holdings for 2026-03-31.
Its largest sector bet is Financials 16.4%, followed by Industrials 6.8% and Information Technology 5.9%.
The top 10 holdings account for 62% 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.
MERIDIAN MANAGEMENT CO — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$264M
total across 54 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
62% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$IVV +53K sh · +$1.76M+$MSFT +6.09K sh · +$2.19M+$BLK +4.12K sh · +$214K
Biggest trims (shares)
−$SCHW −19.5K sh · −$286K−$KEYS −14.2K sh · −$1.03M−$GOOGL −11.5K sh · −$4.17M
Exited to nil (held last quarter, gone now)
$WDAY ($2.75M last qtr)$XLK ($2.26M last qtr)$BRK.B ($209K 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 Banks9.6%—
- Interactive Media & Services4.4%—
- Transaction & Payment Processing Services4.1%—
- Life Sciences Tools & Services3.9%—
- Consumer Staples Merchandise Retail3.8%—
- Agricultural & Farm Machinery2.8%—
- Investment Banking & Brokerage2.7%—
- Electronic Equipment & Instruments2.5%—
- Other holdings66.2%—
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
9 of 9 rows · sorted by Value ↓
| Ticker | Holding | Shares | Value | Δ QoQ | Weight |
|---|---|---|---|---|---|
| $BLK | BlackRock Inc | 237K | $25.4M | +4.12K | 9.6% |
| $WMT | Walmart Inc | 80.8K | $10M | +0 | 3.8% |
| $DE | Deere & Company | 12.9K | $7.27M | +88 | 2.8% |
| $SCHW | Charles Schwab Corporation | 246K | $7.16M | -19.5K | 2.7% |
| $KEYS | Keysight Technologies Inc | 23.4K | $6.6M | -14.2K | 2.5% |
| $CPAY | Corpay Inc | 22.1K | $6.44M | +53 | 2.4% |
| $AMZN | Amazon.com Inc | 30.7K | $6.4M | +130 | 2.4% |
| $GOOGL | Alphabet Inc | 20.7K | $5.95M | -11.5K | 2.3% |
| $GNRC | Generac Holdlings Inc | 28.6K | $5.58M | -42 | 2.1% |
…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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