Exxon Mobil Corporation
MX ˙ BMV ˙ US30231G1022
SecurityMX:XOM / Exxon Mobil Corporation
InstitutionMassachusetts Wealth Management
Latest Disclosed Ownership44,599 shares
Latest Disclosed Value $ 7,566,666
Massachusetts Wealth Management reports 23.56% increase in ownership of XOM / Exxon Mobil Corporation

On April 15, 2026 - Massachusetts Wealth Management filed a 13F-HR form disclosing ownership of 44,599 shares of Exxon Mobil Corporation (MX:XOM) valued at $7,566,666 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 26, 2026 disclosing 36,094 shares of Exxon Mobil Corporation. This represents a change in shares of 23.56% 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)
2026-04-15 2026-03-31 13F EXXON MOBIL COM 30231G102 44,599 8,505 23.56 7,567 74.21 3.2792
2026-01-26 2025-12-31 13F EXXON MOBIL COM 30231G102 36,094 -1,117 -3.00 4,344 3.53 2.0210
2025-10-21 2025-09-30 13F EXXON MOBIL COM 30231G102 37,211 415 1.13 4,196 5.77 2.0819
2025-07-23 2025-06-30 13F EXXON MOBIL COM 30231G102 36,796 -325 -0.88 3,967 -10.15 2.2371
2025-04-17 2025-03-31 13F EXXON MOBIL COM 30231G102 37,121 -1,224 -3.19 4,415 7.03 3.0272
2025-01-27 2024-12-31 13F EXXON MOBIL COM 30231G102 38,345 2,325 6.45 4,125 -2.32 2.5465
2024-10-23 2024-09-30 13F EXXON MOBIL COM 30231G102 36,020 -1,375 -3.68 4,222 -1.91 2.6621
2024-08-01 2024-06-30 13F EXXON MOBIL COM 30231G102 37,395 -35 -0.09 4,305 -1.06 2.8896
2024-04-19 2024-03-31 13F EXXON MOBIL COM 30231G102 37,430 1,314 3.64 4,351 20.50 3.0658
2024-01-25 2023-12-31 13F EXXON MOBIL COM 30231G102 36,116 842 2.39 3,611 -12.95 2.9142
2023-10-25 2023-09-30 13F EXXON MOBIL COM 30231G102 35,274 -300 -0.84 4,148 8.70 3.8083
2023-08-03 2023-06-30 13F EXXON MOBIL COM 30231G102 35,574 -150 -0.42 3,815 -2.60 3.6498
2023-04-27 2023-03-31 13F EXXON MOBIL COM 30231G102 35,724 -3,600 -9.15 3,917 -14.12 4.0396
2023-02-17 2022-12-31 13F EXXON MOBIL COM 30231G102 39,324 39,324 4,562 4.4068
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.