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PEAK6 LLC

Position in JEF — Jefferies Financial Group Inc.

CIK 1389958 AUSTIN, TX

Position in JEF

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$2,655,987
+$902,962 QoQ
Shares Held
53,141
+25.1% QoQ
Ownership
0.023%
of shares outstanding
% of Portfolio
0.07%
of 13F equity value
Holder Rank
#155
of 581 holders
Holding Since
Dec 2024
7 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in JEF Over Time

Shares Held

Position Value (USD)

Derivatives in JEF

reported options exposure · as of Jun 30, 2026
CallValue
$1,004,598
CallShares
20,100
PutValue
$11,470,410
PutShares
229,500

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 Capital Markets

Financial Services · as of Jun 30, 2026

PEAK6 LLC holds $100,709,035 across 16 Capital Markets names. JEF ranks #6 (2.6% of the industry book) .

# Ticker Company Shares Value (USD) Open
6 JEF
Jefferies Financial Group Inc.
This page
53,141 $2,655,987

All Filings in JEF

Export CSV
19 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,004,598 20,100
2026-06-30 $2,655,987 53,141
2026-06-30 $11,470,410 229,500
2026-03-31 $1,753,025 42,477
2026-03-31 $3,165,409 76,700
2026-03-31 $198,096 4,800
2025-12-31 $365,623 5,900
2025-12-31 $10,518,106 169,729
2025-12-31 $1,344,749 21,700
2025-09-30 $359,810 5,500
2025-09-30 $13,142,550 200,895
2025-09-30 $2,191,570 33,500
2025-06-30 $153,132 2,800
2025-06-30 $10,257,492 187,557
2025-06-30 $3,839,238 70,200
2025-03-31 $2,766,997 51,652
2025-03-31 $1,248,181 23,300
2024-12-31 $2,101,120 26,800
2024-12-31 $4,076,800 52,000