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PEAK6 LLC

Position in EFX — Equifax Inc

CIK 1389958 AUSTIN, TX

Position in EFX

as of Mar 31, 2026 · filed May 14, 2026
Position Value
$46,458
-$17,551 QoQ
Shares Held
258
-12.5% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Dec 2024
6 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in EFX Over Time

Shares Held

Position Value (USD)

Derivatives in EFX

reported options exposure · as of Mar 31, 2026
CallValue
$18,007
CallShares
100
PutValue
$180,070
PutShares
1,000

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 Mar 31, 2026

PEAK6 LLC holds $1,569,457 across 3 Consulting Services names. EFX ranks #3 (3.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 EFX
Equifax Inc
This page
258 $46,458

All Filings in EFX

Export CSV
14 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $18,007 100
2026-03-31 $180,070 1,000
2026-03-31 $46,458 258
2025-12-31 $173,584 800
2025-12-31 $216,980 1,000
2025-12-31 $64,009 295
2025-09-30 $2,873,136 11,200
2025-09-30 $3,153,266 12,292
2025-06-30 $5,809,888 22,400
2025-06-30 $4,029,053 15,534
2025-06-30 $2,723,385 10,500
2025-03-31 $4,432,792 18,200
2025-03-31 $1,704 7
2024-12-31 $4,663,755 18,300