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PEAK6 LLC

Position in CLF — Cleveland-Cliffs Inc.

CIK 1389958 AUSTIN, TX

Position in CLF

as of Mar 31, 2026 · filed May 14, 2026
Position Value
$0
-$646,098 QoQ
Shares Held
0
-100.0% 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

Common Shares in CLF Over Time

Shares Held

Position Value (USD)

Derivatives in CLF

reported options exposure · as of Mar 31, 2026
CallValue
$17,732,325
CallShares
2,098,500
PutValue
$0
PutShares
0

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 Steel

Basic Materials · as of Mar 31, 2026

PEAK6 LLC holds $7,418,159 across 3 Steel names.

# Ticker Company Shares Value (USD) Open

All Filings in CLF

Export CSV
12 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $17,732,325 2,098,500
2025-12-31 $802,112 60,400
2025-12-31 $4,323,968 325,600
2025-12-31 $646,098 48,652
2025-09-30 $6,191,500 507,500
2025-06-30 $452,960 59,600
2025-06-30 $4,786,480 629,800
2025-03-31 $1,476,312 179,600
2025-03-31 $6,642,582 808,100
2024-12-31 $916,500 97,500
2024-12-31 $2,656,440 282,600
2024-12-31 $1,060,357 112,804