AMI ASSET MANAGEMENT CORP
SEC Form 13F institutional filer · CIK 0001369702
13F-HR · 52 reported holdings · 2026-03-31
Asset manager.
Reported long-US-equity value
$1.34B
Top-10 concentration
55.6%
AMI ASSET MANAGEMENT CORP — $1.34B AUM allocation strategy
AMI ASSET MANAGEMENT CORP files SEC Form 13F and reports $1.34B of long US equity value across 52 reported holdings for 2026-03-31.
Its largest sector bet is Information Technology 25.3%, followed by Health Care 16.0% and Communication Services 13.5%.
The top 10 holdings account for 56% 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.
AMI ASSET MANAGEMENT CORP — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$1.34B
total across 52 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
56% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$NOW +201K sh · +$12.3M+$PANW +75.8K sh · +$7.55M+$CL +75.3K sh · +$9.04M
Biggest trims (shares)
−$GOOG −83.3K sh · −$35.9M−$MSFT −61K sh · −$49M−$IWM −58.8K sh · −$28.4M
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)
- Systems Software10.9%—
- Technology Hardware, Storage & Peripherals8.6%—
- Interactive Media & Services8.3%—
- Household Products6.9%—
- Pharmaceuticals6.6%—
- Construction & Engineering5.8%—
- Semiconductors5.8%—
- Broadline Retail5.2%—
- Other holdings41.8%—
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 |
|---|---|---|---|---|---|
| $AAPL | Apple Inc | 453K | $115M | -13.4K | 8.6% |
| $GOOG | Alphabet Inc. Class C Capital Stock | 386K | $111M | -83.3K | 8.3% |
| $PWR | Quanta Services Inc | 142K | $78.2M | -56.7K | 5.8% |
| $AVGO | Broadcom Inc | 251K | $77.6M | -7.82K | 5.8% |
| $AMZN | Amazon.com Inc | 338K | $70.4M | -10.1K | 5.3% |
| $NFLX | Netflix Inc | 721K | $69.3M | -20.5K | 5.2% |
| $MSFT | Microsoft Corporation | 172K | $63.6M | -61K | 4.7% |
| $LLY | Eli Lilly and Company | 59.8K | $55M | -1.74K | 4.1% |
| $ULTA | Ulta Beauty Inc | 104K | $54.5M | -3.07K | 4.1% |
| $CHD | Church & Dwight Company Inc | 542K | $50.6M | -6.21K | 3.8% |
…and 42 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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