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Walleye Trading LLC

Position in EFX — Equifax Inc

CIK 1388391 NEW YORK, NY

Position in EFX

as of Jun 30, 2026 · filed Aug 3, 2026
Position Value
$730,429
+$711,702 QoQ
Shares Held
4,602
+4325.0% QoQ
Ownership
0.004%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#404
of 830 holders
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in EFX Over Time

Shares Held

Position Value (USD)

Derivatives in EFX

reported options exposure · as of Jun 30, 2026
CallValue
$63,488
CallShares
400
PutValue
$777,728
PutShares
4,900

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 Consulting Services

Industrials · as of Jun 30, 2026

Walleye Trading LLC holds $3,096,862 across 2 Consulting Services names. EFX ranks #2 (23.6% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 EFX
Equifax Inc
This page
4,602 $730,429

All Filings in EFX

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $777,728 4,900
2026-06-30 $63,488 400
2026-06-30 $730,429 4,602
2026-03-31 $18,727 104
2026-03-31 $666,259 3,700
2026-03-31 $468,182 2,600
2025-12-31 $7,312,226 33,700
2025-12-31 $2,069,555 9,538
2025-12-31 $650,940 3,000
2025-09-30 $825,513 3,218
2025-09-30 $2,565,300 10,000
2025-09-30 $6,233,679 24,300
2025-06-30 $2,049,023 7,900
2025-06-30 $7,807,037 30,100
2025-06-30 $4,240,180 16,348
2025-03-31 $105,217 432
2025-03-31 $949,884 3,900
2025-03-31 $2,265,108 9,300
2024-12-31 $2,166,225 8,500
2024-12-31 $1,364,466 5,354
2024-12-31 $2,191,710 8,600
2024-09-30 $2,762,284 9,400
2024-09-30 $1,616,230 5,500
2024-06-30 $2,230,632 9,200
2024-06-30 $1,745,712 7,200
2024-03-31 $3,022,976 11,300
2024-03-31 $3,129,984 11,700
2023-12-31 $4,302,846 17,400
2023-12-31 $2,547,087 10,300
2023-09-30 $3,150,696 17,200
2023-09-30 $1,263,942 6,900
2023-06-30 $2,400,060 10,200
2023-06-30 $3,153,020 13,400
2023-03-31 $2,900,612 14,300
2023-03-31 $1,722,720 8,493
2023-03-31 $2,048,684 10,100
2022-12-31 $1,107,852 5,700
2022-12-31 $3,342,992 17,200
2022-09-30 $2,725,737 15,900
2022-09-30 $4,457,180 26,000
2022-06-30 $2,376,140 13,000
2022-06-30 $3,363,152 18,400
2022-03-31 $4,291,510 18,100
2022-03-31 $5,364,150 22,624
2022-03-31 $7,041,870 29,700
2021-12-31 $8,022,446 27,400
2021-12-31 $6,909,844 23,600
2021-12-31 $8,267,218 28,236
2021-09-30 $25,342 100
2021-09-30 $2,474,899 9,766