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Jefferies Financial Group Inc.

Position in OKLO — Oklo Inc.

CIK 96223 NEW YORK, NY

Position in OKLO

as of Jun 30, 2026 · filed Aug 17, 2026
Position Value
$1,694,864
+$222,041 QoQ
Shares Held
32,388
+9.1% QoQ
Ownership
0.017%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#158
of 665 holders
Holding Since
Sep 2025
4 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in OKLO Over Time

Shares Held

Position Value (USD)

Derivatives in OKLO

reported options exposure · as of Jun 30, 2026
CallValue
$784,950
CallShares
15,000
PutValue
$2,224,025
PutShares
42,500

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 Utilities - Independent Power Producers

Utilities · as of Jun 30, 2026

Jefferies Financial Group Inc. holds $8,124,480 across 4 Utilities - Independent Power Producers names. OKLO ranks #2 (20.9% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 OKLO
Oklo Inc.
This page
32,388 $1,694,864

All Filings in OKLO

Export CSV
10 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $2,224,025 42,500
2026-06-30 $1,694,864 32,388
2026-06-30 $784,950 15,000
2026-03-31 $1,472,823 29,700
2026-03-31 $2,117,493 42,700
2026-03-31 $2,117,493 42,700
2025-12-31 $2,353,728 32,800
2025-12-31 $6,458,400 90,000
2025-12-31 $4,269,720 59,500
2025-09-30 $1,953,525 17,500