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PEAK6 LLC

Position in STLD — Steel Dynamics Inc

CIK 1389958 AUSTIN, TX

Position in STLD

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$10,227,261
+$8,302,881 QoQ
Shares Held
44,571
+316.9% QoQ
Ownership
0.031%
of shares outstanding
% of Portfolio
0.26%
of 13F equity value
Holder Rank
#167
of 1,021 holders
Holding Since
Dec 2024
7 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in STLD Over Time

Shares Held

Position Value (USD)

Derivatives in STLD

reported options exposure · as of Jun 30, 2026
CallValue
$4,474,470
CallShares
19,500
PutValue
$435,974
PutShares
1,900

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 Steel

Basic Materials · as of Jun 30, 2026

PEAK6 LLC holds $15,946,775 across 2 Steel names. STLD ranks #1 (64.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 STLD
Steel Dynamics Inc
This page
44,571 $10,227,261

All Filings in STLD

Export CSV
14 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $435,974 1,900
2026-06-30 $10,227,261 44,571
2026-06-30 $4,474,470 19,500
2026-03-31 $16,182,000 89,900
2026-03-31 $1,924,380 10,691
2025-12-31 $508,350 3,000
2025-12-31 $35,415,050 209,000
2025-09-30 $6,065,205 43,500
2025-06-30 $819,264 6,400
2025-06-30 $89,607 700
2025-03-31 $963,116 7,700
2025-03-31 $2,839,316 22,700
2024-12-31 $3,273,809 28,700
2024-12-31 $8,041,935 70,500