GW&K Investment Management, LLC
SEC Form 13F institutional filer · CIK 0001082917
13F-HR · 501 reported holdings · 2026-03-31
Reported long-US-equity value
$0.00B
Top-10 concentration
35.0%
GW&K Investment Management, LLC — $2.48M AUM allocation strategy
GW&K Investment Management, LLC files SEC Form 13F and reports $2.48M of long US equity value across 501 reported holdings for 2026-03-31.
Its largest sector bet is Information Technology 17.0%, followed by Industrials 16.1% and Financials 12.9%.
The top 10 holdings account for 35% 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.
GW&K Investment Management, LLC — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$2.48M
total across 501 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
35% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$AMCR +492K sh · +$19.6K+$WMB +404K sh · +$29.4K+$MCHP +404K sh · +$26.1K
Biggest trims (shares)
−$BX −506K sh · −$6.29K−$MRK −285K sh · −$29.8K−$CSCO −256K sh · −$19.5K
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)
- Semiconductors6.5%—
- Construction & Engineering5.3%—
- Systems Software4.1%—
- Electronic Manufacturing Services3.7%—
- Asset Management & Custody Banks3.7%—
- Building Products3.6%—
- Industrial Machinery & Supplies & Components3.3%—
- Electronic Components2.7%—
- Other holdings67.0%—
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 |
|---|---|---|---|---|---|
| $FIX | Comfort Systems USA Inc | 95.7K | $132K | -16K | 5.3% |
| $AVGO | Broadcom Inc | 337K | $104K | -58.8K | 4.2% |
| $MSFT | Microsoft Corporation | 273K | $101K | -28.3K | 4.1% |
| $JBL | Jabil Inc | 345K | $91.7K | -22.6K | 3.7% |
| $BX | Blackstone Inc | 4.03M | $91.1K | -506K | 3.7% |
| $NDSN | Nordson Corporation | 313K | $83.2K | -37.6K | 3.3% |
| $COHR | Coherent Corp | 287K | $68.4K | — | 2.8% |
| $ABBV | AbbVie Inc | 309K | $67.3K | -65.5K | 2.7% |
| $PM | Philip Morris International Inc | 398K | $65.8K | -6.03K | 2.6% |
| $ETR | Entergy Corporation | 569K | $63.9K | -9.26K | 2.6% |
…and 491 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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