Filed: 5/13/2026ACC: 0001082917-26-000002
📋 What this filing means
GW&K INVESTMENT MANAGEMENT, LLC filed this quarterly 13F‑HR report disclosing 1024 equity positions with a total reported market value of $11.34M. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
1024
Positions
$11.34M
Total AUM (reported)
163.17M
Total Shares
Allocation by class
COMMON$11.26M99.3%
MUTUAL FUND$79.8K0.7%
CALL OPTION$0.000.0%
Portfolio Concentration
Top 3$533.4K4.7%
4–10$920.7K8.1%
11–25$1.51M13.3%
Rest$8.38M73.9%
Top 3 weight
4.7%
Top 10 weight
12.8%
Voting Authority Distribution
Total shares with voting rights: 163.17M
Sole
Full voting authority
155.17M
shares
% of voting shares95.1%
Shared
Joint voting authority
7.96M
shares
% of voting shares4.9%
None
No voting authority
47.60K
shares
% of voting shares0.0%
Investment Discretion (by position count)
Sole959
Shared0
Other65
Dominant voting typeSole · 95.1% of voting shares
Institutional Holdings1024
Rows:
ADVANCED ENERGY INDUSTRIES
SOLEShares601.11K
TypeSH
Market value$194.0K
1.71%
Sole
562.18K
Shared
38.70K
None
224.00
MACOM TECHNOLOGY SOLUTIONS H
SOLEShares839.06K
TypeSH
Market value$186.3K
1.64%
Sole
777.13K
Shared
61.60K
None
333.00
RBC BEARINGS INC
SOLEShares281.88K
TypeSH
Market value$153.1K
1.35%
Sole
259.99K
Shared
21.77K
None
117.00
ITT INC
OTRShares796.75K
TypeSH
Market value$151.8K
1.34%
Sole
738.60K
Shared
57.80K
None
345.00
SPX TECHNOLOGIES INC
OTRShares675.14K
TypeSH
Market value$135.0K
1.19%
Sole
630K
Shared
44.87K
None
266.00
COMFORT SYSTEMS USA INC
OTRShares95.67K
TypeSH
Market value$131.9K
1.16%
Sole
87.34K
Shared
8.30K
None
35.00
GLOBUS MEDICAL INC - A
OTRShares1.49M
TypeSH
Market value$128.8K
1.14%
Sole
1.39M
Shared
102.43K
None
582.00
API GROUP CORP
SOLEShares3.11M
TypeSH
Market value$126.1K
1.11%
Sole
2.88M
Shared
226.14K
None
1.20K
STERLING INFRASTRUCTURE INC
SOLEShares304.74K
TypeSH
Market value$124.1K
1.09%
Sole
285.37K
Shared
19.25K
None
117.00
GRAND CANYON EDUCATION INC
SOLEShares723.73K
TypeSH
Market value$123.1K
1.08%
Sole
684.40K
Shared
39.10K
None
226.00
BURLINGTON STORES INC
SOLEShares339.46K
TypeSH
Market value$110.5K
0.97%
Sole
316.35K
Shared
23K
None
116.00
POWELL INDUSTRIES INC
OTRShares200.53K
TypeSH
Market value$108.5K
0.96%
Sole
187.28K
Shared
13.19K
None
66.00
TEXAS ROADHOUSE INC
SOLEShares638.85K
TypeSH
Market value$105.5K
0.93%
Sole
587.92K
Shared
50.66K
None
275.00
BROADCOM INC
SOLEShares336.79K
TypeSH
Market value$104.2K
0.92%
Sole
336.79K
Shared
0.00
None
0.00
FEDERAL SIGNAL CORP
SOLEShares958.12K
TypeSH
Market value$103.6K
0.91%
Sole
896.84K
Shared
60.96K
None
328.00
INSMED INC
SOLEShares623.05K
TypeSH
Market value$101.9K
0.90%
Sole
581.81K
Shared
41.06K
None
183.00
NOVANTA INC
OTRShares858.65K
TypeSH
Market value$101.4K
0.89%
Sole
802.26K
Shared
56.05K
None
345.00
MICROSOFT CORP
SOLEShares272.69K
TypeSH
Market value$100.9K
0.89%
Sole
272.69K
Shared
0.00
None
0.00
IDACORP INC
SOLEShares699.78K
TypeSH
Market value$100.0K
0.88%
Sole
641.78K
Shared
57.67K
None
327.00
MATADOR RESOURCES CO
SOLEShares1.56M
TypeSH
Market value$98.5K
0.87%
Sole
1.46M
Shared
100.68K
None
600.00
MAGNOLIA OIL & GAS CORP - A
OTRShares3.08M
TypeSH
Market value$97.3K
0.86%
Sole
2.84M
Shared
243.16K
None
1.39K
STIFEL FINANCIAL CORP
OTRShares1.31M
TypeSH
Market value$96.7K
0.85%
Sole
1.20M
Shared
105.29K
None
586.00
MOOG INC-CLASS A
SOLEShares328.95K
TypeSH
Market value$96.3K
0.85%
Sole
308.30K
Shared
20.52K
None
122.00
JABIL INC
SOLEShares345.29K
TypeSH
Market value$91.7K
0.81%
Sole
321.17K
Shared
24K
None
127.00
GATES INDUSTRIAL CORP PLC
SOLEShares4.03M
TypeSH
Market value$91.1K
0.80%
Sole
3.68M
Shared
350.43K
None
1.91K
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
ADVANCED ENERGY INDUSTRIESSOLE | COMMON | 601.11K | SH | $194.0K 1.71% | 562.18K | 38.70K | 224.00 |
MACOM TECHNOLOGY SOLUTIONS HSOLE | COMMON | 839.06K | SH | $186.3K 1.64% | 777.13K | 61.60K | 333.00 |
RBC BEARINGS INCSOLE | COMMON | 281.88K | SH | $153.1K 1.35% | 259.99K | 21.77K | 117.00 |
ITT INCOTR | COMMON | 796.75K | SH | $151.8K 1.34% | 738.60K | 57.80K | 345.00 |
SPX TECHNOLOGIES INCOTR | COMMON | 675.14K | SH | $135.0K 1.19% | 630K | 44.87K | 266.00 |
COMFORT SYSTEMS USA INCOTR | COMMON | 95.67K | SH | $131.9K 1.16% | 87.34K | 8.30K | 35.00 |
GLOBUS MEDICAL INC - AOTR | COMMON | 1.49M | SH | $128.8K 1.14% | 1.39M | 102.43K | 582.00 |
API GROUP CORPSOLE | COMMON | 3.11M | SH | $126.1K 1.11% | 2.88M | 226.14K | 1.20K |
STERLING INFRASTRUCTURE INCSOLE | COMMON | 304.74K | SH | $124.1K 1.09% | 285.37K | 19.25K | 117.00 |
GRAND CANYON EDUCATION INCSOLE | COMMON | 723.73K | SH | $123.1K 1.08% | 684.40K | 39.10K | 226.00 |
BURLINGTON STORES INCSOLE | COMMON | 339.46K | SH | $110.5K 0.97% | 316.35K | 23K | 116.00 |
POWELL INDUSTRIES INCOTR | COMMON | 200.53K | SH | $108.5K 0.96% | 187.28K | 13.19K | 66.00 |
TEXAS ROADHOUSE INCSOLE | COMMON | 638.85K | SH | $105.5K 0.93% | 587.92K | 50.66K | 275.00 |
BROADCOM INCSOLE | COMMON | 336.79K | SH | $104.2K 0.92% | 336.79K | 0.00 | 0.00 |
FEDERAL SIGNAL CORPSOLE | COMMON | 958.12K | SH | $103.6K 0.91% | 896.84K | 60.96K | 328.00 |
INSMED INCSOLE | COMMON | 623.05K | SH | $101.9K 0.90% | 581.81K | 41.06K | 183.00 |
NOVANTA INCOTR | COMMON | 858.65K | SH | $101.4K 0.89% | 802.26K | 56.05K | 345.00 |
MICROSOFT CORPSOLE | COMMON | 272.69K | SH | $100.9K 0.89% | 272.69K | 0.00 | 0.00 |
IDACORP INCSOLE | COMMON | 699.78K | SH | $100.0K 0.88% | 641.78K | 57.67K | 327.00 |
MATADOR RESOURCES COSOLE | COMMON | 1.56M | SH | $98.5K 0.87% | 1.46M | 100.68K | 600.00 |
MAGNOLIA OIL & GAS CORP - AOTR | COMMON | 3.08M | SH | $97.3K 0.86% | 2.84M | 243.16K | 1.39K |
STIFEL FINANCIAL CORPOTR | COMMON | 1.31M | SH | $96.7K 0.85% | 1.20M | 105.29K | 586.00 |
MOOG INC-CLASS ASOLE | COMMON | 328.95K | SH | $96.3K 0.85% | 308.30K | 20.52K | 122.00 |
JABIL INCSOLE | COMMON | 345.29K | SH | $91.7K 0.81% | 321.17K | 24K | 127.00 |
GATES INDUSTRIAL CORP PLCSOLE | COMMON | 4.03M | SH | $91.1K 0.80% | 3.68M | 350.43K | 1.91K |
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