Ardsley Advisory Partners’s Halliburton HAL Stock Holding History

Ardsley Advisory Partners’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	-100,000	Closed	-$2.83M	–	175
2025 Q4	$2.83M	Buy	+100,000	New	+$2.64M	0.31%	88
2018 Q3	–	Sell	-110,000	Closed	-$4.96M	–	170
2018 Q2	$4.96M	Buy	+110,000	New	+$5.48M	0.75%	48
2017 Q1	–	Sell	-106,000	Closed	-$5.73M	–	172
2016 Q4	$5.73M	Buy	+106,000	New	+$5.28M	0.95%	39

Other funds holding HAL

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return

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 Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $30.5B AUM 29.95% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Ardsley Advisory Partners's HAL Position: Q1 2026 in Review

Ardsley Advisory Partners sold out of Halliburton (HAL) in Q1 2026, closing a stake of 100,000 shares — an estimated $2.83M sold.

Ardsley Advisory Partners first reported a position in HAL in Q4 2016 and held it in 3 quarters. The position peaked at $5.73M in Q4 2016. 1,188 funds tracked by Wall St. Rank hold HAL as of Q1 2026.

Ardsley Advisory Partners reported no remaining Halliburton position as of Q1 2026 after selling out during the quarter.
Ardsley Advisory Partners sold 100,000 Halliburton shares in Q1 2026, an estimated $2.83M.
Ardsley Advisory Partners first reported a position in Halliburton in Q4 2016 and held it in 3 quarters.
Ardsley Advisory Partners's Halliburton position peaked at $5.73M in Q4 2016.
1,188 funds tracked by Wall St. Rank held Halliburton as of Q1 2026.

Based on Ardsley Advisory Partners's 13F filing for Q1 2026, filed 15 May 2026.