AT&T Inc.
MX ˙ BMV ˙ US00206R1023
SecurityMX:T / AT&T Inc.
InstitutionBarbara Oil Co.
Latest Disclosed Ownership15,000 shares
Latest Disclosed Value $ 434,850
Barbara Oil Co. ownership in T / AT&T Inc.

On May 13, 2026 - Barbara Oil Co. filed a 13F-HR form disclosing ownership of 15,000 shares of AT&T Inc. (MX:T) valued at $434,850 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 15,000 shares of AT&T Inc.. This represents a change in shares of 0.00% during the quarter.

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)
2026-05-13 2026-03-31 13F AT&T COM 00206R102 15,000 0 0.00 435 16.67 0.1676
2026-02-17 2025-12-31 13F AT&T COM 00206R102 15,000 0 0.00 373 -12.06 0.1383
2025-11-12 2025-09-30 13F AT&T COM 00206R102 15,000 0 0.00 424 -2.53 0.1578
2025-08-13 2025-06-30 13F AT&T COM 00206R102 15,000 0 0.00 434 2.36 0.1706
2025-05-13 2025-03-31 13F AT&T COM 00206R102 15,000 0 0.00 424 24.34 0.1723
2025-02-12 2024-12-31 13F AT&T COM 00206R102 15,000 0 0.00 342 3.33 0.1416
2024-11-14 2024-09-30 13F AT&T COM 00206R102 15,000 0 0.00 330 15.38 0.1348
2024-08-12 2024-06-30 13F AT&T COM 00206R102 15,000 0 0.00 287 8.33 0.1253
2024-05-15 2024-03-31 13F AT&T COM 00206R102 15,000 0 0.00 264 5.18 0.1116
2024-02-09 2023-12-31 13F AT&T COM 00206R102 15,000 0 0.00 252 11.56 0.1133
2023-11-13 2023-09-30 13F AT&T COM 00206R102 15,000 0 0.00 225 -5.86 0.1068
2023-08-14 2023-06-30 13F AT&T COM 00206R102 15,000 0 0.00 239 -17.01 0.1097
2023-05-11 2023-03-31 13F AT&T COM 00206R102 15,000 0 0.00 289 4.35 0.1384
2023-02-13 2022-12-31 13F AT&T COM 00206R102 15,000 0 0.00 276 20.00 0.1319
2022-11-14 2022-09-30 13F AT&T COM 00206R102 15,000 0 0.00 230 -26.75 0.1262
2022-08-11 2022-06-30 13F AT&T COM 00206R102 15,000 0 0.00 314 -11.30 0.1628
2022-05-16 2022-03-31 13F AT&T COM 00206R102 15,000 0 0.00 354 -4.07 0.1622
2022-02-11 2021-12-31 13F AT&T COM 00206R102 15,000 0 0.00 369 -8.89 0.1595
2021-11-12 2021-09-30 13F AT&T COM 00206R102 15,000 0 0.00 405 -6.25 0.1898
2021-08-09 2021-06-30 13F AT&T COM 00206R102 15,000 0 0.00 432 -4.85 0.1992
2021-05-11 2021-03-31 13F AT&T COM 00206R102 15,000 0 0.00 454 5.34 0.2186
2021-02-16 2020-12-31 13F AT&T COM 00206R102 15,000 0 0.00 431 0.70 0.2169
2020-11-13 2020-09-30 13F AT&T COM 00206R102 15,000 0 0.00 428 -5.52 0.2342
2020-08-10 2020-06-30 13F AT&T COM 00206R102 15,000 0 0.00 453 3.66 0.2622
2020-05-14 2020-03-31 13F AT&T COM 00206R102 15,000 0 0.00 437 -25.43 0.2917
2020-02-10 2019-12-31 13F AT&T COM 00206R102 15,000 15,000 586 0.3114
2018-02-09 2017-12-31 13F AT&T COM 00206R102 0 -15,000 -100.00 0 -100.00
2017-11-13 2017-09-30 13F AT&T COM 00206R102 15,000 0 0.00 588 3.89 0.4062
2017-08-09 2017-06-30 13F AT&T COM 00206R102 15,000 5,000 50.00 566 36.06 0.4075
2017-05-12 2017-03-31 13F AT&T COM 00206R102 10,000 0 0.00 416 -2.12 0.3085
2017-02-06 2016-12-31 13F AT&T COM 00206R102 10,000 5,000 100.00 425 109.36 0.3302
2016-11-14 2016-09-30 13F AT&T COM 00206R102 5,000 0 0.00 203 -6.02 0.1620
2016-08-08 2016-06-30 13F AT&T COM 00206R102 5,000 -10,000 -66.67 216 -59.01 0.1738
2014-02-14 2013-12-31 13F AT&T COM 00206R102 15,000 15,000 527 0.4581
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.