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PDT Partners, LLC

Position in MKTX — Marketaxess Holdings Inc

CIK 1564702 New York, NY

Position in MKTX

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$3,197,126
+$2,491,012 QoQ
Shares Held
28,171
+558.2% QoQ
Ownership
0.080%
of shares outstanding
% of Portfolio
0.17%
of 13F equity value
Holder Rank
#111
of 393 holders
Holding Since
Mar 2020
12 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in MKTX Over Time

Shares Held

Position Value (USD)

Position in Capital Markets

Financial Services · as of Jun 30, 2026

PDT Partners, LLC holds $66,932,026 across 10 Capital Markets names. MKTX ranks #6 (4.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
6 MKTX
Marketaxess Holdings Inc
This page
28,171 $3,197,126

All Filings in MKTX

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12 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $3,197,126 28,171
2026-03-31 $706,114 4,280
2025-12-31 $775,750 4,280
2022-09-30 $340,409 1,530
2022-06-30 $1,364,789 5,331
2022-03-31 $408,240 1,200
2021-06-30 $796,911 1,719
2021-03-31 $3,937,053 7,907
2020-12-31 $5,534,432 9,700
2020-09-30 $7,765,157 16,124
2020-06-30 $8,574,748 17,118
2020-03-31 $874,659 2,630