Skip to main content

STATE OF WISCONSIN INVESTMENT BOARD

Position in MKTX — Marketaxess Holdings Inc

CIK 854157 MADISON, WI

Position in MKTX

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$5,852,170
-$199,767 QoQ
Shares Held
35,472
+6.2% QoQ
Ownership
0.100%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 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

STATE OF WISCONSIN INVESTMENT BOARD holds $522,769,073 across 34 Capital Markets names. MKTX ranks #15 (1.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in MKTX

Export CSV
25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $5,852,170 35,472
2025-12-31 $6,051,937 33,390
2025-09-30 $6,050,482 34,723
2025-06-30 $8,929,133 39,980
2025-03-31 $7,574,629 35,011
2024-12-31 $6,500,458 28,758
2024-09-30 $6,191,585 24,167
2024-06-30 $5,636,296 28,107
2024-03-31 $6,686,467 30,497
2023-12-31 $7,701,662 26,299
2023-09-30 $8,862,855 41,485
2023-06-30 $10,283,217 39,336
2023-03-31 $14,140,046 36,137
2022-12-31 $6,488,933 23,267
2022-09-30 $6,210,808 27,915
2022-06-30 $8,071,739 31,529
2022-03-31 $10,336,977 30,385
2021-12-31 $8,396,488 20,416
2021-09-30 $8,257,724 19,629
2021-06-30 $10,383,025 22,397
2021-03-31 $12,770,652 25,648
2020-12-31 $14,603,483 25,595
2020-09-30 $11,717,084 24,330
2020-06-30 $11,851,767 23,660
2020-03-31 $6,624,794 19,920