Calamos Advisors
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Calamos Advisors’s Halliburton HAL Stock Holding History

Calamos Advisors’s Portfolio HAL Stock Details HAL Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-631,200
Closed -$15.5M – 1232
2025
Q4 		$15.5M Buy
+631,200
New +$16.7M 0.06% 307

Other funds holding HAL

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Barrow, Hanley, Mewhinney & Strauss
Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $30.5B AUM 29.95% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Calamos Advisors's HAL Position: Q1 2026 in Review

Calamos Advisors increased its Halliburton (HAL) stake by 909% in Q1 2026, buying an estimated $8.4M and bringing the position to 269,500 shares worth $10.5M. The position accounts for 0.04% of the portfolio, ranked #394.

Calamos Advisors first reported a position in HAL in Q2 2013 and has held it in 27 quarters since. The position peaked at $69.1M in Q2 2018. 1,188 funds tracked by Wall St. Rank hold HAL as of Q1 2026.

  • Calamos Advisors held 269,500 shares of Halliburton worth $10.5M as of Q1 2026.
  • Calamos Advisors bought 242,800 Halliburton shares in Q1 2026, an estimated $8.4M.
  • Halliburton made up 0.04% of Calamos Advisors's portfolio in Q1 2026, its #394 holding.
  • Calamos Advisors first reported a position in Halliburton in Q2 2013 and has held it in 27 quarters since.
  • Calamos Advisors's Halliburton position peaked at $69.1M in Q2 2018.
  • 1,188 funds tracked by Wall St. Rank held Halliburton as of Q1 2026.

Based on Calamos Advisors's 13F filing for Q1 2026, filed 4 May 2026.