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Mariner, LLC

Position in MKTX — Marketaxess Holdings Inc

CIK 1373442 Overland Park, KS

Position in MKTX

as of Mar 31, 2026 · filed May 13, 2026
Position Value
$13,057,176
+$2,316,301 QoQ
Shares Held
79,144
+33.6% QoQ
Ownership
0.223%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Sep 2022
15 quarters on record
Voting authority Sole 0.ToString("F0")% Shared 0.ToString("F0")% None 100.ToString("F0")%

Common Shares in MKTX Over Time

Shares Held

Position Value (USD)

Position in Capital Markets

Financial Services · as of Mar 31, 2026

Mariner, LLC holds $636,643,596 across 30 Capital Markets names. MKTX ranks #6 (2.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
6 MKTX
Marketaxess Holdings Inc
This page
79,144 $13,057,176

All Filings in MKTX

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15 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $13,057,176 79,144
2025-12-31 $10,740,875 59,260
2025-09-30 $2,146,760 12,320
2025-06-30 $2,454,506 10,990
2025-03-31 $953,886 4,409
2024-12-31 $664,783 2,941
2024-09-30 $700,707 2,735
2024-06-30 $492,501 2,456
2024-03-31 $667,835 3,046
2023-12-31 $1,032,881 3,527
2023-09-30 $702,021 3,286
2023-06-30 $1,052,999 4,028
2023-03-31 $1,632,461 4,172
2022-12-31 $1,142,612 4,097
2022-09-30 $501,937 2,256