Masco Corporation
MX ˙ BMV ˙ US5745991068
SecurityMX:MAS / Masco Corporation
InstitutionBoston Research & Management Inc
Latest Disclosed Ownership4,000 shares
Latest Disclosed Value $ 241
Boston Research & Management Inc ownership in MAS / Masco Corporation

On April 10, 2026 - Boston Research & Management Inc filed a 13F-HR form disclosing ownership of 4,000 shares of Masco Corporation (MX:MAS) valued at $241 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 11, 2026 disclosing 4,000 shares of Masco Corporation.

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)
2026-04-10 2026-03-31 13F Masco COM 574599106 4,000 0 0.00 0 0.0572
2026-02-11 2025-12-31 13F Masco COM 574599106 4,000 0 0.00 0 0.0583
2025-11-12 2025-09-30 13F Masco COM 574599106 4,000 0 0.00 0 0.0620
2025-08-12 2025-06-30 13F Masco COM 574599106 4,000 0 0.00 0 0.0614
2025-05-12 2025-03-31 13F Masco COM 574599106 4,000 0 0.00 0 0.0690
2025-02-12 2024-12-31 13F Masco COM 574599106 4,000 0 0.00 0 0.0712
2024-11-12 2024-09-30 13F Masco COM 574599106 4,000 0 0.00 0 0.0787
2024-08-13 2024-06-30 13F Masco COM 574599106 4,000 0 0.00 0 0.0673
2024-05-14 2024-03-31 13F Masco COM 574599106 4,000 0 0.00 0 0.0779
2024-02-12 2023-12-31 13F Masco COM 574599106 4,000 0 0.00 0 0.0709
2023-11-13 2023-09-30 13F Masco COM 574599106 4,000 0 0.00 0 0.0630
2023-08-01 2023-06-30 13F Masco COM 574599106 4,000 4,000 0 0.0648
2022-11-14 2022-09-30 13F Masco COM 574599106 0 -4,000 -100.00 0 -100.00
2022-08-11 2022-06-30 13F Masco COM 574599106 4,000 0 0.00 202 -0.98 0.0654
2022-05-12 2022-03-31 13F Masco COM 574599106 4,000 0 0.00 204 -27.14 0.0592
2022-02-10 2021-12-31 13F Masco COM 574599106 4,000 0 0.00 280 26.13 0.0764
2021-11-10 2021-09-30 13F/A-1 Masco COM 574599106 4,000 0 0.00 222 -5.53 0.0661
2021-11-10 2021-09-30 13F Masco COM 574599106 4,000 0 239 0.0769
2021-08-11 2021-06-30 13F Masco COM 574599106 4,000 0 0.00 235 -1.67 0.0713
2021-05-11 2021-03-31 13F Masco COM 574599106 4,000 0 0.00 239 9.13 0.0769
2021-02-09 2020-12-31 13F Masco COM 574599106 4,000 0 0.00 219 -0.45 0.0762
2020-11-09 2020-09-30 13F Masco COM 574599106 4,000 0 0.00 220 10.00 0.0860
2020-08-10 2020-06-30 13F Masco COM 574599106 4,000 4,000 200 0.0831
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.