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GW&K Investment Management, LLC

Position in MKTX — Marketaxess Holdings Inc

CIK 1082917 BOSTON, MA

Position in MKTX

as of Mar 31, 2026 · filed May 13, 2026
Position Value
$5,394,350
-$148,093 QoQ
Shares Held
32,697
+6.9% QoQ
Ownership
0.092%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 99.81343854176224.ToString("F0")% Shared 0.18656145823775883.ToString("F0")% None 0.ToString("F0")%

Common Shares in MKTX Over Time

Shares Held

Position Value (USD)

Position in Capital Markets

Financial Services · as of Mar 31, 2026

GW&K Investment Management, LLC holds $325,777,145 across 15 Capital Markets names. MKTX ranks #9 (1.7% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in MKTX

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25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $5,394,350 32,697
2025-12-31 $5,542,443 30,579
2025-09-30 $5,335,708 30,621
2025-06-30 $32,164,533 144,016
2025-03-31 $30,802,614 142,374
2024-12-31 $32,243,023 142,643
2024-09-30 $36,358,109 141,913
2024-06-30 $27,056,710 134,926
2024-03-31 $28,543,060 130,185
2023-12-31 $39,198,264 133,851
2023-09-30 $29,408,186 137,653
2023-06-30 $37,235,879 142,437
2023-03-31 $56,315,238 143,922
2022-12-31 $39,896,329 143,054
2022-09-30 $4,587,743 20,620
2022-06-30 $2,567,524 10,029
2022-03-31 $3,308,104 9,724
2021-12-31 $878,060 2,135
2021-09-30 $913,317 2,171
2021-06-30 $1,012,480 2,184
2021-03-31 $1,126,294 2,262
2020-12-31 $39,226,569 68,751
2020-09-30 $43,207,772 89,719
2020-06-30 $50,023,373 99,863
2020-03-31 $51,445,252 154,690