13F Insight
DOSSIER · 13F-HR · Q1 2026

GW&K Investment Management, LLC

$11.3B in tracked AUM across 1,197 positions as of Q1 2026.

GI
CIK 0001082917 · last filed Mar 31, 2026
Total AUM
$11.3B
as of Q1 2026
Holdings
1,197
—
positions
Whale Score
57
57
tracked
Activity
—
no data
changes this Q
AI Analysis · Q1 2026

GW&K Investment Management, LLC filed its latest 13F-HR for Q1 2026. See the latest holdings and position changes below.

Quarter at a glance — Q1 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q1 2026.

#HoldingValueSharesWeight
01
AEIS
ADVANCED ENERGY INDUSTRIES
$194M601K1.7%02
MTSI
MACOM TECHNOLOGY SOLUTIONS H
$186M839K1.6%03
RBC
RBC BEARINGS INC
$153M282K1.3%04
ITT
ITT INC
$152M797K1.3%05
SPXC
SPX TECHNOLOGIES INC
$135M675K1.2%06
FIX
COMFORT SYSTEMS USA INC
$132M96K1.2%07
GMED
GLOBUS MEDICAL INC - A
$129M1.5M1.1%08
APG
API GROUP CORP
$126M3.1M1.1%09
STRL
STERLING INFRASTRUCTURE INC
$124M305K1.1%10
LOPE
GRAND CANYON EDUCATION INC
$123M724K1.1%

Filing history

2026Q1Mar 31
$11.3B▼ 1.9%
1,197 positionsView →2025Q4Dec 31
$11.6B▲ 2.3%
1,178 positionsView →2025Q3Sep 30
$11.3B▲ 1.2%
1,179 positionsView →2025Q2Jun 30
$11.2B▲ 3.5%
1,167 positionsLocked2025Q1Mar 31
$10.8B▼ 8.2%
1,189 positionsLocked2024Q4Dec 31
$11.8B▲ 0.7%
1,154 positionsLocked2024Q3Sep 30
$11.7B▲ 6.8%
1,139 positionsLocked2024Q2Jun 30
$10.9B▼ 3.5%
1,128 positionsLocked2024Q1Mar 31
$11.3B▲ 5.8%
1,105 positionsLocked2023Q4Dec 31
$10.7B▲ 7.7%
1,120 positionsLocked2023Q3Sep 30
$10.0B▼ 5.6%
1,102 positionsLocked2023Q2Jun 30
$10.5B▲ 2.0%
1,090 positionsLocked
Showing 12 of 98