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Calamos Advisors LLC

Position in HAL — Halliburton Co

CIK 1316507 NAPERVILLE, IL

Position in HAL

as of Jun 30, 2026 · filed Jul 31, 2026
Position Value
$9,149,525
-$1,358,280 QoQ
Shares Held
269,500
0.0% QoQ
Ownership
0.032%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
#218
of 1,195 holders
Holding Since
Dec 2025
3 quarters on record
Voting authority Sole 99% Shared 0% None 1%

Common Shares in HAL Over Time

Shares Held

Position Value (USD)

Derivatives in HAL

reported options exposure · as of Dec 31, 2025
CallValue
$17,837,712
CallShares
631,200
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 Oil & Gas Equipment & Services

Energy · as of Jun 30, 2026

Calamos Advisors LLC holds $39,713,850 across 6 Oil & Gas Equipment & Services names. HAL ranks #3 (23.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 HAL
Halliburton Co
This page
269,500 $9,149,525

All Filings in HAL

Export CSV
4 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $9,149,525 269,500
2026-03-31 $10,507,805 269,500
2025-12-31 $754,542 26,700
2025-12-31 $17,837,712 631,200