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TUDOR INVESTMENT CORP ET AL

Position in MKTX — Marketaxess Holdings Inc

CIK 923093 STAMFORD, CT

Position in MKTX

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$15,644,256
+$11,368,750 QoQ
Shares Held
137,847
+484.4% QoQ
Ownership
0.392%
of shares outstanding
% of Portfolio
0.08%
of 13F equity value
Holder Rank
#43
of 393 holders
Holding Since
Dec 2021
15 quarters on record
Voting authority Sole 50% Shared 50% None 0%

Common Shares in MKTX Over Time

Shares Held

Position Value (USD)

Derivatives in MKTX

reported options exposure · as of Jun 30, 2026
CallValue
$624,195
CallShares
5,500
PutValue
$726,336
PutShares
6,400

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Capital Markets

Financial Services · as of Jun 30, 2026

TUDOR INVESTMENT CORP ET AL holds $430,177,311 across 21 Capital Markets names. MKTX ranks #11 (3.6% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in MKTX

Export CSV
33 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $624,195 5,500
2026-06-30 $726,336 6,400
2026-06-30 $15,644,256 137,847
2025-12-31 $4,275,506 23,589
2025-12-31 $416,875 2,300
2025-12-31 $616,250 3,400
2025-09-30 $714,425 4,100
2025-09-30 $22,610,331 129,758
2025-06-30 $20,805,014 93,154
2025-06-30 $290,342 1,300
2025-06-30 $536,016 2,400
2025-03-31 $908,670 4,200
2025-03-31 $475,970 2,200
2024-06-30 $902,385 4,500
2024-06-30 $581,537 2,900
2024-03-31 $1,315,500 6,000
2024-03-31 $2,126,725 9,700
2023-09-30 $363,188 1,700
2023-09-30 $10,025,057 46,925
2023-09-30 $576,828 2,700
2023-06-30 $2,289,254 8,757
2023-03-31 $704,322 1,800
2023-03-31 $939,096 2,400
2022-12-31 $334,668 1,200
2022-12-31 $808,781 2,900
2022-09-30 $622,972 2,800
2022-09-30 $978,956 4,400
2022-09-30 $4,868,526 21,882
2022-06-30 $204,808 800
2022-06-30 $3,705,232 14,473
2022-06-30 $230,409 900
2022-03-31 $3,057,037 8,986
2021-12-31 $405,100 985