THOMPSON SIEGEL & WALMSLEY LLC
SEC Form 13F institutional filer · CIK 0001008322
13F-HR · 206 reported holdings · 2026-03-31
Reported long-US-equity value
$0.00B
Top-10 concentration
24.9%
THOMPSON SIEGEL & WALMSLEY LLC — $3.13M AUM allocation strategy
THOMPSON SIEGEL & WALMSLEY LLC files SEC Form 13F and reports $3.13M of long US equity value across 206 reported holdings for 2026-03-31.
Its largest sector bet is Materials 7.6%, followed by Health Care 7.0% and Consumer Staples 6.7%.
The top 10 holdings account for 25% 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.
THOMPSON SIEGEL & WALMSLEY LLC — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$3.13M
total across 206 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
25% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$CCI +843K sh · +$68K+$FISV +476K sh · +$20.3K+$KHC +415K sh · +$3.04K
Biggest trims (shares)
−$VTRS −1.72M sh · −$17.4K−$KMI −1.42M sh · −$36.9K−$ADM −569K sh · −$29.3K
Exited to nil (held last quarter, gone now)
$ALGN ($24.3K last qtr)$INTU ($6.97K last qtr)$CASY ($2.87K last qtr)$CTAS ($1.55K last qtr)$ABNB ($1.17K 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)
- Packaged Foods & Meats4.5%—
- Transaction & Payment Processing Services3.6%—
- Multi-Utilities3.2%—
- Paper & Plastic Packaging Products & Materials3.1%—
- Electric Utilities2.7%—
- Fertilizers & Agricultural Chemicals2.5%—
- Telecom Tower REITs2.4%—
- Brewers2.1%—
- Other holdings75.9%—
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 |
|---|---|---|---|---|---|
| $D | Dominion Energy Inc | 1.59M | $98.3K | -114K | 3.1% |
| $SW | Smurfit WestRock plc | 2.45M | $97.4K | -109K | 3.1% |
| $KHC | The Kraft Heinz Company | 3.99M | $89.8K | +415K | 2.9% |
| $EVRG | Evergy Inc | 1.04M | $84.9K | -136K | 2.7% |
| $MOS | Mosaic Company | 3.04M | $77.4K | +58.8K | 2.5% |
| $CCI | Crown Castle Inc | 913K | $74.2K | +843K | 2.4% |
| $TAP | Molson Coors Beverage Company | 1.56M | $67.1K | -66.6K | 2.1% |
| $GOOGL | Alphabet Inc | 225K | $64.6K | -15.7K | 2.1% |
| $LIN | Linde plc | 129K | $64.1K | -1.89K | 2.0% |
| $CHTR | Charter Communications Inc. Class A Common Stock New | 282K | $60.9K | +180K | 1.9% |
…and 196 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
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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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