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MARSHALL WACE, LLP

Position in MKTX — Marketaxess Holdings Inc

CIK 1318757 LONDON, X0

Position in MKTX

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$4,436,323
-$73,088,805 QoQ
Shares Held
39,090
-89.1% QoQ
Ownership
0.111%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#87
of 393 holders
Holding Since
Jun 2020
17 quarters on record
Voting authority Sole 0% Shared 100% None 0%

Common Shares in MKTX Over Time

Shares Held

Position Value (USD)

Position in Capital Markets

Financial Services · as of Jun 30, 2026

MARSHALL WACE, LLP holds $2,356,408,586 across 38 Capital Markets names. MKTX ranks #23 (0.2% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in MKTX

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17 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $4,436,323 39,090
2025-03-31 $77,525,128 358,332
2024-12-31 $108,822,662 481,431
2024-09-30 $124,196,280 484,763
2024-06-30 $164,446,631 820,060
2024-03-31 $117,166,103 534,395
2023-12-31 $74,954,371 255,948
2023-09-30 $20,795,503 97,339
2023-03-31 $1,652,417 4,223
2022-09-30 $1,539,630 6,920
2022-06-30 $2,457,696 9,600
2022-03-31 $27,491,901 80,811
2021-12-31 $7,023,669 17,078
2021-03-31 $5,714,129 11,476
2020-12-31 $3,907,765 6,849
2020-09-30 $25,090,357 52,099
2020-06-30 $8,765,599 17,499