ONEOK, Inc.
US ˙ NYSE ˙ US6826801036

SecurityOKE / ONEOK, Inc.
InstitutionAlbert D Mason Inc
Latest Disclosed Ownership3,428 shares
Latest Disclosed Value $ 309,901
Albert D Mason Inc reports 5.41% decrease in ownership of OKE / ONEOK, Inc.

On April 15, 2026 - Albert D Mason Inc filed a 13F-HR form disclosing ownership of 3,428 shares of ONEOK, Inc. (US:OKE) valued at $309,857 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 13, 2026 disclosing 3,624 shares of ONEOK, Inc.. This represents a change in shares of -5.41% during the quarter. The current value of the position is $304,921 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)
2026-04-15 2026-03-31 13F ONEOK COM 682680103 3,428 -196 -5.41 310 16.17 0.2006
2026-01-13 2025-12-31 13F ONEOK COM 682680103 3,624 -271 -6.96 266 -6.34 0.1753
2025-10-15 2025-09-30 13F ONEOK COM 682680103 3,895 -288 -6.89 284 -16.72 0.1851
2025-07-29 2025-06-30 13F ONEOK COM 682680103 4,183 -323 -7.17 341 -23.71 0.2471
2025-04-16 2025-03-31 13F ONEOK COM 682680103 4,506 58 1.30 447 0.22 0.3040
2025-01-15 2024-12-31 13F ONEOK COM 682680103 4,448 -77 -1.70 447 8.25 0.2984
2024-10-22 2024-09-30 13F ONEOK COM 682680103 4,525 -8 -0.18 412 11.65 0.2641
2024-07-16 2024-06-30 13F ONEOK COM 682680103 4,533 -114 -2.45 370 0.2499
2024-04-24 2024-03-31 13F ONEOK COM 682680103 4,647 926 24.89 0 0.2306
2024-01-03 2023-12-31 13F ONEOK COM 682680103 3,721 -36 -0.96 0 0.1729
2023-10-10 2023-09-30 13F ONEOK COM 682680103 3,757 1 0.03 0 0.1722
2023-07-25 2023-06-30 13F ONEOK COM 682680103 3,756 0 0.00 0 0.1590
2023-04-11 2023-03-31 13F ONEOK COM 682680103 3,756 -43 -1.13 0 0.1657
2023-01-11 2022-12-31 13F ONEOK COM 682680103 3,799 3,799 0 0.1784
2022-10-12 2022-09-30 13F ONEOK COM 682680103 0 -3,759 -100.00 0 -100.00
2022-07-12 2022-06-30 13F ONEOK COM 682680103 3,759 -136 -3.49 209 -24.00 0.1554
2022-04-20 2022-03-31 13F ONEOK COM 682680103 3,895 -18,238 -82.40 275 -78.86 0.1769
2022-01-25 2021-12-31 13F ONEOK COM 682680103 22,133 -270 -1.21 1,301 0.15 0.7756
2021-10-13 2021-09-30 13F ONEOK COM 682680103 22,403 28 0.13 1,299 4.34 0.8367
2021-07-14 2021-06-30 13F ONEOK COM 682680103 22,375 -482 -2.11 1,245 7.51 0.7640
2021-04-14 2021-03-31 13F ONEOK COM 682680103 22,857 -220 -0.95 1,158 30.70 0.7561
2021-01-12 2020-12-31 13F ONEOK COM 682680103 23,077 -103 -0.44 886 47.18 0.6160
2020-10-20 2020-09-30 13F ONEOK COM 682680103 23,180 250 1.09 602 -21.00 0.4934
2020-07-21 2020-06-30 13F ONEOK COM 682680103 22,930 30 0.13 762 52.71 0.6420
2020-04-15 2020-03-31 13F ONEOK COM 682680103 22,900 95 0.42 499 -71.09 0.5024
2020-01-21 2019-12-31 13F ONEOK COM 682680103 22,805 200 0.88 1,726 3.60 1.2193
2019-10-23 2019-09-30 13F ONEOK COM 682680103 22,605 -325 -1.42 1,666 5.58 1.2467
2019-07-30 2019-06-30 13F ONEOK COM 682680103 22,930 -3,757 -14.08 1,578 -15.34 1.1843
2019-04-30 2019-03-31 13F ONEOK COM 682680103 26,687 -1,790 -6.29 1,864 21.35 1.3649
2019-01-29 2018-12-31 13F ONEOK COM 682680103 28,477 -6,113 -17.67 1,536 -34.50 1.2442
2018-10-30 2018-09-30 13F ONEOK COM 682680103 34,590 -473 -1.35 2,345 -4.21 1.6011
2018-07-31 2018-06-30 13F ONEOK COM 682680103 35,063 -4,394 -11.14 2,448 8.99 1.7683
2018-05-02 2018-03-31 13F ONEOK COM 682680103 39,457 -1,043 -2.58 2,246 3.74 1.6898
2018-02-06 2017-12-31 13F ONEOK COM 682680103 40,500 1,287 3.28 2,165 -0.37 1.6268
2017-10-18 2017-09-30 13F ONEOK COM 682680103 39,213 33,976 648.77 2,173 695.97 1.7466
2017-07-25 2017-06-30 13F ONEOK COM 682680103 5,237 0 0.00 273 -5.86 0.2281
2017-05-02 2017-03-31 13F ONEOK COM 682680103 5,237 213 4.24 290 0.69 0.2461
2017-02-01 2016-12-31 13F ONEOK COM 682680103 5,024 -5,414 -51.87 288 -46.27 0.2513
2016-10-25 2016-09-30 13F ONEOK COM 682680103 10,438 5,219 100.00 536 116.13 0.1727
2016-07-19 2016-06-30 13F ONEOK COM 682680103 5,219 5,219 0.00 248 0.1440
2016-04-27 2016-03-31 13F Oneok COM 682680103 0 0 0 0.0000
2016-01-20 2015-12-31 13F Oneok COM 682680103 0 0 0 0.0000
2015-10-13 2015-09-30 13F Oneok COM 682680103 0 -5,259 -100.00 0 -100.00
2015-07-22 2015-06-30 13F Oneok COM 682680103 5,259 -66,632 -92.68 208 -94.00 0.1124
2015-05-06 2015-03-31 13F Oneok COM 682680103 71,891 19,408 36.98 3,468 32.72 0.7214
2015-02-18 2014-12-31 13F/A-1 Oneok COM 682680103 43,203 -8,000 2,151 0.4791
2015-02-26 2014-12-31 13F/A-2 Oneok COM 682680103 52,483 1,280 2.50 2,613 -22.14 0.5213
2015-02-11 2014-12-31 13F Oneok COM 682680103 6,203 309
2015-02-26 2014-09-30 13F/A-1 Oneok COM 682680103 51,203 2,460 5.05 3,356 1.15 0.6590
2014-10-14 2014-09-30 13F Oneok COM 682680103 6,203 407
2015-02-25 2014-06-30 13F/A-1 Oneok COM 682680103 48,743 2,170 4.66 3,318 20.26 0.6037
2014-07-30 2014-06-30 13F Oneok COM 682680103 6,203 422
2014-04-22 2014-03-31 13F Oneok COM 682680103 46,573 0 0.00 2,759 -4.73 0.5391
2014-01-21 2013-12-31 13F Oneok COM 682680103 46,573 46,573 2,896 0.5700
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.