M&T Bank Corporation
MX ˙ BMV ˙ US55261F1049
SecurityMX:MTB / M&T Bank Corporation
InstitutionWest Branch Capital LLC
Latest Disclosed Ownership2,361 shares
Latest Disclosed Value $ 488,066
West Branch Capital LLC reports 14.02% decrease in ownership of MTB / M&T Bank Corporation

On April 14, 2026 - West Branch Capital LLC filed a 13F-HR form disclosing ownership of 2,361 shares of M&T Bank Corporation (MX:MTB) valued at $488,066 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 16, 2026 disclosing 2,746 shares of M&T Bank Corporation. This represents a change in shares of -14.02% 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)
2026-04-14 2026-03-31 13F M & T BK COM 55261F104 2,361 -385 -14.02 488 -11.75 0.1307
2026-01-16 2025-12-31 13F M & T BK COM 55261F104 2,746 -463 -14.43 553 -12.78 0.1426
2025-10-21 2025-09-30 13F M & T BK COM 55261F104 3,209 -120 -3.60 634 -1.71 0.1664
2025-07-16 2025-06-30 13F M & T BK COM 55261F104 3,329 -821 -19.78 646 -12.96 0.1910
2025-04-16 2025-03-31 13F M & T BK COM 55261F104 4,150 8 0.19 742 -4.76 0.2475
2025-01-17 2024-12-31 13F M & T BK COM 55261F104 4,142 0 0.00 779 5.56 0.2484
2024-10-18 2024-09-30 13F M & T BK COM 55261F104 4,142 3 0.07 738 17.73 0.2551
2024-07-26 2024-06-30 13F M & T BK COM 55261F104 4,139 0 0.00 626 4.16 0.2327
2024-04-24 2024-03-31 13F M & T BK COM 55261F104 4,139 0 0.00 602 6.00 0.2428
2024-01-19 2023-12-31 13F M & T BK COM 55261F104 4,139 -200 -4.61 567 3.47 0.2667
2023-10-20 2023-09-30 13F M & T BK COM 55261F104 4,339 0 0.00 549 2.24 0.2879
2023-08-07 2023-06-30 13F M & T BK COM 55261F104 4,339 0 0.00 537 3.47 0.2679
2023-04-20 2023-03-31 13F M & T BK COM 55261F104 4,339 0 0.00 519 -17.65 0.2891
2023-01-27 2022-12-31 13F M & T BK COM 55261F104 4,339 0 0.00 629 -17.78 0.3888
2022-10-19 2022-09-30 13F M & T BK COM 55261F104 4,339 -160 -3.56 765 6.69 0.4755
2022-07-28 2022-06-30 13F M & T BK COM 55261F104 4,499 0 0.00 717 -6.03 0.4147
2022-05-03 2022-03-31 13F M & T BK COM 55261F104 4,499 0 0.00 763 10.42 0.3646
2022-01-24 2021-12-31 13F M & T BK COM 55261F104 4,499 0 0.00 691 2.83 0.2941
2021-11-09 2021-09-30 13F M & T BK COM 55261F104 4,499 0 0.00 672 2.75 0.3233
2021-08-17 2021-06-30 13F M & T BK COM 55261F104 4,499 0 0.00 654 -4.11 0.3214
2021-05-14 2021-03-31 13F M & T BK COM 55261F104 4,499 0 0.00 682 19.02 0.3991
2021-02-08 2020-12-31 13F M & T BK COM 55261F104 4,499 0 0.00 573 38.41 0.3386
2020-10-13 2020-09-30 13F M & T BK COM 55261F104 4,499 0 0.00 414 -11.54 0.2642
2020-07-08 2020-06-30 13F M & T BK COM 55261F104 4,499 0 0.00 468 0.65 0.3297
2020-04-20 2020-03-31 13F M & T BK COM 55261F104 4,499 0 0.00 465 -39.14 0.4442
2020-01-07 2019-12-31 13F M & T BK COM 55261F104 4,499 0 0.00 764 7.45 0.5321
2019-10-23 2019-09-30 13F M & T Bank COM 55261F104 4,499 4,499 711 0.5266
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.