Halliburton Company
US ˙ NYSE ˙ US4062161017

SecurityHAL / Halliburton Company
InstitutionRockefeller Capital Management L.P.
Latest Disclosed Ownership189,336 shares
Latest Disclosed Value $ 7,382,251
Rockefeller Capital Management L.P. reports 28.24% decrease in ownership of HAL / Halliburton Company

On May 14, 2026 - Rockefeller Capital Management L.P. filed a 13F-HR form disclosing ownership of 189,336 shares of Halliburton Company (US:HAL) valued at $7,382,211 USD as of March 31, 2026. The entity filed a previous 13F-HR/A on March 16, 2026 disclosing 263,856 shares of Halliburton Company. This represents a change in shares of -28.24% during the quarter. The current value of the position is $7,768,456 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-14 2026-03-31 13F HALLIBURTON COM 406216101 189,336 -74,520 -28.24 7,382 -0.99 0.0131
2026-03-16 2025-12-31 13F/A-1 HALLIBURTON COM 406216101 263,856 -9,213 -3.37 7,457 11.00 0.0134
2026-02-14 2025-12-31 13F HALLIBURTON COM 406216101 263,856 -9,213 7,457 0.0068
2025-11-14 2025-09-30 13F HALLIBURTON COM 406216101 273,069 167,428 158.49 6,718 212.13 0.0131
2025-08-14 2025-06-30 13F/A-1 HALLIBURTON COM 406216101 105,641 42,082 66.21 2,153 33.50 0.0047
2025-08-08 2025-06-30 13F HALLIBURTON COM 406216101 105,641 42,082 2,153 0.0027
2025-05-14 2025-03-31 13F HALLIBURTON COM 406216101 63,559 -448,789 -87.59 1,612 -88.43 0.0040
2025-02-13 2024-12-31 13F HALLIBURTON COM 406216101 512,348 455,206 796.62 13,939 736.61 0.0361
2024-11-14 2024-09-30 13F HALLIBURTON COM 406216101 57,142 -4,542 -7.36 1,667 -20.17 0.0045
2024-08-12 2024-06-30 13F HALLIBURTON COM 406216101 61,684 336 0.55 2,087 -13.69 0.0059
2024-05-14 2024-03-31 13F HALLIBURTON COM 406216101 61,348 2,577 4.38 2,418 13.84 0.0071
2024-02-14 2023-12-31 13F HALLIBURTON COM 406216101 58,771 -21,361 -26.66 2,125 -34.55 0.0071
2023-11-14 2023-09-30 13F HALLIBURTON COM 406216101 80,132 3,557 4.65 3,246 28.87 0.0125
2023-08-14 2023-06-30 13F HALLIBURTON COM 406216101 76,575 -1,597 -2.04 2,518 125,800.00 0.0098
2023-05-16 2023-03-31 13F HALLIBURTON COM 406216101 78,172 1,214 1.58 2 -99.93 0.0106
2023-03-06 2022-12-31 13F HALLIBURTON COM 406216101 76,958 20,782 36.99 3,027 119.03 0.0152
2022-11-02 2022-09-30 13F HALLIBURTON COM 406216101 56,176 -17,434 -23.68 1,382 -40.10 0.0071
2022-08-12 2022-06-30 13F HALLIBURTON COM 406216101 73,610 9,558 14.92 2,307 -4.87 0.0123
2022-05-13 2022-03-31 13F HALLIBURTON COM 406216101 64,052 13,001 25.47 2,425 107.98 0.0117
2022-02-14 2021-12-31 13F HALLIBURTON COM 406216101 51,051 9,300 22.27 1,166 29.27 0.0054
2021-11-12 2021-09-30 13F HALLIBURTON COM 406216101 41,751 4,517 12.13 902 4.88 0.0047
2021-08-10 2021-06-30 13F HALLIBURTON COM 406216101 37,234 495 1.35 860 9.28 0.0048
2021-05-11 2021-03-31 13F HALLIBURTON COM 406216101 36,739 -987 -2.62 787 10.53 0.0053
2021-02-12 2020-12-31 13F HALLIBURTON COM 406216101 37,726 -1,781 -4.51 712 49.89 0.0054
2020-11-13 2020-09-30 13F HALLIBURTON COM 406216101 39,507 -6,589 -14.29 475 -20.70 0.0044
2020-08-12 2020-06-30 13F HALLIBURTON COM 406216101 46,096 17,557 61.52 599 207.18 0.0063
2020-05-12 2020-03-31 13F HALLIBURTON COM 406216101 28,539 -2,951 -9.37 195 -74.68 0.0026
2020-02-07 2019-12-31 13F HALLIBURTON COM 406216101 31,490 29,572 1,541.81 770 2,038.89 0.0096
2019-11-12 2019-09-30 13F HALLIBURTON COM 406216101 1,918 -8,315 -81.26 36 -84.48 0.0005
2019-08-09 2019-06-30 13F HALLIBURTON COM 406216101 10,233 -9,950 -49.30 232 -60.74 0.0032
2019-05-10 2019-03-31 13F HALLIBURTON COM 406216101 20,183 3,686 22.34 591 34.93 0.0084
2019-02-12 2018-12-31 13F HALLIBURTON COM 406216101 16,497 0 0.00 438 -34.53 0.0077
2018-11-02 2018-09-30 13F Halliburton Common 406216101 16,497 0 0.00 669 -9.96 0.0102
2018-07-31 2018-06-30 13F Halliburton Common 406216101 16,497 115 0.70 743 -3.38 0.0121
2018-05-09 2018-03-31 13F Halliburton Common 406216101 16,382 16,382 769 0.0127
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.