Diamondback Energy, Inc.
US ˙ NasdaqGS ˙ US25278X1090

SecurityFANG / Diamondback Energy, Inc.
InstitutionTd Asset Management Inc
Latest Disclosed Ownership361,607 shares
Latest Disclosed Value $ 71,522,249
Td Asset Management Inc reports 4.91% decrease in ownership of FANG / Diamondback Energy, Inc.

On May 11, 2026 - Td Asset Management Inc filed a 13F-HR form disclosing ownership of 361,607 shares of Diamondback Energy, Inc. (US:FANG) valued at $71,522,249 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 10, 2026 disclosing 380,295 shares of Diamondback Energy, Inc.. This represents a change in shares of -4.91% during the quarter. The current value of the position is $69,652,740 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)
2026-05-11 2026-03-31 13F DIAMONDBACK ENERGY COM 25278X109 361,607 -18,688 -4.91 71,522 25.11 0.0580
2026-02-10 2025-12-31 13F DIAMONDBACK ENERGY COM 25278X109 380,295 29,592 8.44 57,170 13.92 0.0460
2025-11-10 2025-09-30 13F DIAMONDBACK ENERGY COM 25278X109 350,703 -17,282 -4.70 50,186 -0.74 0.0408
2025-07-28 2025-06-30 13F DIAMONDBACK ENERGY COM 25278X109 367,985 -40,947 -10.01 50,561 -22.67 0.0432
2025-05-07 2025-03-31 13F DIAMONDBACK ENERGY COM 25278X109 408,932 -18,851 -4.41 65,380 -6.71 0.0602
2025-02-11 2024-12-31 13F DIAMONDBACK ENERGY COM 25278X109 427,783 -28,474 -6.24 70,084 -9.98 0.0620
2024-11-01 2024-09-30 13F DIAMONDBACK ENERGY COM 25278X109 456,257 337,168 283.12 77,851 226.56 0.0687
2024-08-02 2024-06-30 13F DIAMONDBACK ENERGY COM 25278X109 119,089 -699 -0.58 23,840 0.43 0.0222
2024-05-08 2024-03-31 13F DIAMONDBACK ENERGY COM 25278X109 119,788 1,587 1.34 23,738 29.50 0.0221
2024-02-12 2023-12-31 13F DIAMONDBACK ENERGY COM 25278X109 118,201 4,358 3.83 18,331 3.96 0.0180
2023-10-27 2023-09-30 13F DIAMONDBACK ENERGY COM 25278X109 113,843 3,344 3.03 17,632 21.47 0.0214
2023-08-09 2023-06-30 13F DIAMONDBACK ENERGY COM 25278X109 110,499 -904 -0.81 14,515 -3.61 0.0165
2023-05-10 2023-03-31 13F DIAMONDBACK ENERGY COM 25278X109 111,403 452 0.41 15,058 -0.77 0.0182
2023-02-07 2022-12-31 13F DIAMONDBACK ENERGY COM 25278X109 110,951 7,937 7.70 15,176 21.84 0.0187
2022-11-07 2022-09-30 13F DIAMONDBACK ENERGY COM 25278X109 103,014 -10,112 -8.94 12,455 -9.12 0.0156
2022-08-04 2022-06-30 13F DIAMONDBACK ENERGY COM 25278X109 113,126 -125,148 -52.52 13,705 -58.04 0.0159
2022-05-10 2022-03-31 13F DIAMONDBACK ENERGY COM 25278X109 238,274 93,073 64.10 32,662 108.57 0.0193
2022-05-10 2022-03-31 13F DIAMONDBACK ENERGY COM 25278X109 122,230 16,755
2022-02-10 2021-12-31 13F DIAMONDBACK ENERGY COM 25278X109 145,201 60,879 72.20 15,660 96.17 0.0131
2021-11-09 2021-09-30 13F DIAMONDBACK ENERGY COM 25278X109 84,322 -4,827 -5.41 7,983 16.10 0.0083
2021-08-11 2021-06-30 13F DIAMONDBACK ENERGY COM 25278X109 89,149 -11,879 -11.76 6,876 -7.39 0.0070
2021-05-14 2021-03-31 13F DIAMONDBACK ENERGY COM 25278X109 101,028 4,756 4.94 7,425 59.33 0.0083
2021-02-16 2020-12-31 13F DIAMONDBACK ENERGY COM 25278X109 96,272 -10,376 -9.73 4,660 45.08 0.0057
2020-11-10 2020-09-30 13F DIAMONDBACK ENERGY COM 25278X109 106,648 8,143 8.27 3,212 -22.02 0.0045
2020-08-13 2020-06-30 13F DIAMONDBACK ENERGY COM 25278X109 98,505 -3,540 -3.47 4,119 54.04 0.0059
2020-05-15 2020-03-31 13F DIAMONDBACK ENERGY COM 25278X109 102,045 17,732 21.03 2,674 -65.84 0.0045
2020-02-11 2019-12-31 13F DIAMONDBACK ENERGY COM 25278X109 84,313 3,455 4.27 7,829 7.69 0.0114
2019-11-07 2019-09-30 13F DIAMONDBACK ENERGY COM 25278X109 80,858 1,266 1.59 7,270 -16.18 0.0111
2019-08-01 2019-06-30 13F DIAMONDBACK ENERGY COM 25278X109 79,592 1,546 1.98 8,673 9.45 0.0130
2019-05-08 2019-03-31 13F DIAMONDBACK ENERGY COM 25278X109 78,046 780 1.01 7,924 10.62 0.0121
2019-02-01 2018-12-31 13F DIAMONDBACK ENERGY COM 25278X109 77,266 44,783 137.87 7,163 63.13 0.0125
2018-11-01 2018-09-30 13F DIAMONDBACK ENERGY COM 25278X109 32,483 3,462 11.93 4,391 15.01 0.0065
2018-07-31 2018-06-30 13F DIAMONDBACK ENERGY COM 25278X109 29,021 -4,708 -13.96 3,818 -10.52 0.0058
2018-05-11 2018-03-31 13F DIAMONDBACK ENERGY COM 25278X109 33,729 -149 -0.44 4,267 -0.23 0.0065
2018-02-02 2017-12-31 13F DIAMONDBACK ENERGY COM 25278X109 33,878 -5,809 -14.64 4,277 10.01 0.0062
2017-11-09 2017-09-30 13F DIAMONDBACK ENERGY COM 25278X109 39,687 11,669 41.65 3,888 56.27 0.0058
2017-08-01 2017-06-30 13F DIAMONDBACK ENERGY COM 25278X109 28,018 -3,268 -10.45 2,488 -23.33 0.0039
2017-05-05 2017-03-31 13F DIAMONDBACK ENERGY COM 25278X109 31,286 14,056 81.58 3,245 86.39 0.0052
2017-02-08 2016-12-31 13F DIAMONDBACK ENERGY COM 25278X109 17,230 5,380 45.40 1,741 52.19 0.0029
2016-11-02 2016-09-30 13F DIAMONDBACK ENERGY COM 25278X109 11,850 700 6.28 1,144 12.49 0.0020
2016-08-04 2016-06-30 13F DIAMONDBACK ENERGY COM 25278X109 11,150 0 0.00 1,017 18.12 0.0018
2016-05-05 2016-03-31 13F DIAMONDBACK ENERGY COM 25278X109 11,150 400 3.72 861 19.75 0.0016
2016-02-04 2015-12-31 13F DIAMONDBACK ENERGY COM 25278X109 10,750 -1,300 -10.79 719 -7.58 0.0014
2015-11-12 2015-09-30 13F DIAMONDBACK ENERGY COM 25278X109 12,050 -700 -5.49 778 -19.04 0.0015
2015-08-11 2015-06-30 13F DIAMONDBACK ENERGY COM 25278X109 12,750 -700 -5.20 961 -6.97 0.0017
2015-04-28 2015-03-31 13F DIAMONDBACK ENERGY COM 25278X109 13,450 13,450 0.00 1,033 0.0019
2015-01-30 2014-12-31 13F DIAMONDBACK ENERGY COM 25278X109 0 -10,600 -100.00 0 -100.00
2014-11-06 2014-09-30 13F DIAMONDBACK ENERGY COM 25278X109 10,600 1,800 20.45 793 1.54 0.0014
2014-08-12 2014-06-30 13F DIAMONDBACK ENERGY COM 25278X109 8,800 -800 -8.33 781 20.90 0.0013
2014-05-09 2014-03-31 13F DIAMONDBACK ENERGY COM 25278X109 9,600 -30,300 -75.94 646 -69.37 0.0012
2014-02-07 2013-12-31 13F DIAMONDBACK ENERGY COM 25278X109 39,900 33,400 513.85 2,109 661.37 0.0039
2013-11-08 2013-09-30 13F DIAMONDBACK ENERGY COM 25278X109 6,500 6,500 277 0.0006
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.