Western Alliance Bancorporation
MX ˙ BMV ˙ US9576381092
SecurityMX:WAL / Western Alliance Bancorporation
InstitutionComerica Bank
Latest Disclosed Ownership27,009 shares
Latest Disclosed Value $ 2,270,668
Comerica Bank reports 10.80% decrease in ownership of WAL / Western Alliance Bancorporation

On January 29, 2026 - Comerica Bank filed a 13F-HR form disclosing ownership of 27,009 shares of Western Alliance Bancorporation (MX:WAL) valued at $2,270,668 USD as of December 31, 2025. The entity filed a previous 13F-HR on November 14, 2025 disclosing 30,279 shares of Western Alliance Bancorporation. This represents a change in shares of -10.80% 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)
2026-01-29 2025-12-31 13F WESTERN ALLIANCE BANCORP COM 957638109 27,009 -3,270 -10.80 2,271 -13.52 0.0091
2025-11-14 2025-09-30 13F WESTERN ALLIANCE BANCORP COM 957638109 30,279 -3,810 -11.18 2,626 -1.24 0.0099
2025-08-14 2025-06-30 13F WESTERN ALLIANCE BANCORP COM 957638109 34,089 -180 -0.53 2,658 0.99 0.0103
2025-05-14 2025-03-31 13F WESTERN ALLIANCE BANCORP COM 957638109 34,269 -26,860 -43.94 2,633 -48.45 0.0111
2025-02-14 2024-12-31 13F/A-1 WESTERN ALLIANCE BANCORP COM 957638109 61,129 -7,631 -11.10 5,107 -14.14 0.0206
2025-02-14 2024-12-31 13F WESTERN ALLIANCE BANCORP COM 957638109 61,129 -7,631 5,107 0.0171
2024-11-14 2024-09-30 13F WESTERN ALLIANCE BANCORP COM 957638109 68,760 59,028 606.54 5,947 873.32 0.0235
2024-08-15 2024-06-30 13F WESTERN ALLIANCE BANCORPORATION COMMON 957638109 9,732 90 0.93 611 -1.13 0.0025
2024-05-16 2024-03-31 13F WESTERN ALLIANCE COMMON 957638109 9,642 -1,713 -15.09 619 -17.16 0.0027
2024-02-14 2023-12-31 13F WESTERN ALLIANCE COMMON 957638109 11,355 681 6.38 747 52.24 0.0034
2023-11-21 2023-09-30 13F WESTERN ALLIANCE BANCORP COMMON 957638109 10,674 10,674 491 0.0026
2023-08-22 2023-06-30 13F WESTERN ALLIANCE EQU 957638109 0 0 0 0.0000
2023-01-26 2022-12-31 13F WESTERN ALLIANCE COM 957638109 0 -4,567 -100.00 0 -100.00
2022-10-28 2022-09-30 13F WESTERN ALLIANCE COM 957638109 4,567 245 5.67 300 -9.37 0.0025
2022-08-02 2022-06-30 13F WESTERN ALLIANCE COM 957638109 4,322 62 1.46 331 -1.19 0.0027
2022-04-27 2022-03-31 13F WESTERN ALLIANCE COM 957638109 4,260 448 11.75 335 -20.62 0.0024
2022-02-18 2021-12-31 13F WESTERN ALLIANCE COM 957638109 3,812 -6,561 -63.25 422 -60.93 0.0031
2021-11-22 2021-09-30 13F WESTERN ALLIANCE COM 957638109 10,373 3,981 62.28 1,080 81.82 0.0065
2021-08-26 2021-06-30 13F WESTERN ALLIANCE COM 957638109 6,392 -558 -8.03 594 -19.95 0.0035
2021-04-28 2021-03-31 13F WESTERN ALLIANCE COM 957638109 6,950 1,112 19.05 742 78.80 0.0044
2021-01-28 2020-12-31 13F WESTERN ALLIANCE COM 957638109 5,838 -869 -12.96 415 46.64 0.0026
2020-10-30 2020-09-30 13F WESTERN ALLIANCE COM 957638109 6,707 -590 -8.09 283 4.43 0.0021
2020-07-31 2020-06-30 13F WESTERN ALLIANCE COM 957638109 7,297 421 6.12 271 29.67 0.0021
2020-05-01 2020-03-31 13F WESTERN ALLIANCE COM 957638109 6,876 191 2.86 209 -44.85 0.0019
2020-02-07 2019-12-31 13F WESTERN ALLIANCE COM 957638109 6,685 567 9.27 379 28.04 0.0029
2019-10-31 2019-09-30 13F WESTERN ALLIANCE COM 957638109 6,118 317 5.46 296 17.00 0.0023
2019-08-02 2019-06-30 13F WESTERN ALLIANCE COM 957638109 5,801 -101 -1.71 253 -1.17 0.0020
2019-05-02 2019-03-31 13F WESTERN ALLIANCE COM 957638109 5,902 403 7.33 256 1.99 0.0021
2019-02-06 2018-12-31 13F WESTERN ALLIANCE COM 957638109 5,499 -469 -7.86 251 -12.85 0.0021
2018-11-01 2018-09-30 13F WESTERN ALLIANCE COM 957638109 5,968 452 8.19 288 -8.86 0.0023
2018-08-01 2018-06-30 13F WESTERN ALLIANCE COM 957638109 5,516 -115 -2.04 316 -3.36 0.0022
2018-05-01 2018-03-31 13F WESTERN ALLIANCE COM 957638109 5,631 -2 -0.04 327 -2.97 0.0023
2018-02-02 2017-12-31 13F WESTERN ALLIANCE COM 957638109 5,633 -225 -3.84 337 3.06 0.0022
2017-11-06 2017-09-30 13F WESTERN ALLIANCE COM 957638109 5,858 530 9.95 327 22.01 0.0024
2017-08-03 2017-06-30 13F WESTERN ALLIANCE COM 957638109 5,328 -26,696 -83.36 268 -82.79 0.0020
2017-05-03 2017-03-31 13F WESTERN ALLIANCE COM 957638109 32,024 -347 -1.07 1,557 -2.38 0.0118
2017-02-08 2016-12-31 13F WESTERN ALLIANCE COM 957638109 32,371 32,371 1,595 0.0126
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.