KING LUTHER CAPITAL MANAGEMENT CORP
SEC Form 13F institutional filer · CIK 0000310051
13F-HR · 277 reported holdings · 2026-03-31
King Luther Capital Management Corp is an asset manager.
Reported long-US-equity value
$18.71B
Top-10 concentration
40.2%
KING LUTHER CAPITAL MANAGEMENT CORP — $18.7B AUM allocation strategy
KING LUTHER CAPITAL MANAGEMENT CORP files SEC Form 13F and reports $18.7B of long US equity value across 277 reported holdings for 2026-03-31.
Its largest sector bet is Information Technology 27.0%, followed by Communication Services 7.4% and Financials 6.1%.
The top 10 holdings account for 40% 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.
KING LUTHER CAPITAL MANAGEMENT CORP — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$18.7B
total across 277 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
40% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$RL +264K sh · −$4.27M+$NFLX +202K sh · +$23.7M+$RTX +198K sh · +$41.8M
Biggest trims (shares)
−$ORCL −346K sh · −$177M−$BAC −202K sh · −$57M−$BR −200K sh · −$48M
Exited to nil (held last quarter, gone now)
$KVUE ($1.98M last qtr)$FISV ($1.03M last qtr)$LUV ($487K last qtr)$OTIS ($335K last qtr)$CCI ($252K 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)
- Semiconductors8.7%—
- Technology Hardware, Storage & Peripherals7.6%—
- Interactive Media & Services7.4%—
- Systems Software5.7%—
- Diversified Banks4.6%—
- Broadline Retail3.7%—
- Application Software3.2%—
- Home Improvement Retail2.1%—
- Other holdings56.9%—
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 | 5.61M | $1.42B | -156K | 7.6% |
| $NVDA | NVIDIA Corporation | 6.71M | $1.17B | -157K | 6.3% |
| $MSFT | Microsoft Corporation | 2.91M | $1.08B | -68.6K | 5.8% |
| $AMZN | Amazon.com Inc | 3.35M | $697M | -16.9K | 3.7% |
| $GOOG | Alphabet Inc. Class C Capital Stock | 2.41M | $693M | -67.8K | 3.7% |
| $GOOGL | Alphabet Inc | 2.39M | $686M | -103K | 3.7% |
| $JPM | JP Morgan Chase & Co | 1.73M | $509M | -42.7K | 2.7% |
| $AVGO | Broadcom Inc | 1.49M | $461M | +806 | 2.5% |
| $HD | Home Depot Inc | 1.22M | $402M | -19.6K | 2.1% |
| $MLM | Martin Marietta Materials Inc | 667K | $392M | -23.4K | 2.1% |
…and 267 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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