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Polar Asset Management Partners Inc.

Position in MKTX — Marketaxess Holdings Inc

CIK 1326389 TORONTO, A6

Position in MKTX

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$17,186,626
+$14,159,751 QoQ
Shares Held
104,174
+523.8% QoQ
Ownership
0.293%
of shares outstanding
% of Portfolio
0.63%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Sep 2021
5 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.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

Polar Asset Management Partners Inc. holds $38,919,133 across 9 Capital Markets names. MKTX ranks #1 (44.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 MKTX
Marketaxess Holdings Inc
This page
104,174 $17,186,626

All Filings in MKTX

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5 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $17,186,626 104,174
2025-12-31 $3,026,875 16,700
2025-09-30 $7,012,865 40,246
2021-12-31 $259,100 630
2021-09-30 $257,462 612