Security key
957090103
WESTAMERICA BANCORPORATION - Common Stock (WABC)
CUSIP: 957090103
Q4 2025 13F Holders as of 31 Dec 2025
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 19,827,394
- Total 13F value
- $948,411,286
- Share change
- +234,450
- SEC-reported price per share
- $47.83
- Number of holders
- 216
- Value change
- +$10,649,748
- Number of buys
- 94
- Number of sells
- 112
- Shares outstanding
- 24,210,720
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2025
Institutions
216
Top holders
10
WABC full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2026
WESTAMERICA BANCORPORATION SEC filings
WESTAMERICA BANCORPORATION company facts
Broader feeds
Reporting periods
Holder history for CUSIP 957090103
Recent filing periods:
Ownership snapshot
Top reported holders of WABC - WESTAMERICA BANCORPORATION - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
STATE STREET CORP
Disclosed value leader
BlackRock, Inc.
Comparable rows
15/15
Latest evidence
30 Sep 2025
13F
13D/G
3/4/5
Lead comparable stake: 4.6%
13D/G row: STATE STREET CORP
Showing 1-6 of 15 holder rows.
Quick read
STATE STREET CORP leads the comparable SEC ownership view at 4.6%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens STATE STREET CORP's linked filing trail.
Comparable ownership
Top 5
STATE STREET CORP
4.6%
Martin Camsey
0%
BlackRock, Inc.
15%
VANGUARD GROUP INC
13%
AMERICAN CENTURY COMPANIES INC
7.3%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| STATE STREET CORP |
13F
13D/G
Company · STATE STREET CORPORATION
|
4.6%
from 13D/G
|
$61,367,824
1,227,602 shares
|
— | 30 Sep 2025 |
| Martin Camsey |
3/4/5
Director
|
0%
|
$7,347
149 shares
|
— | 24 Apr 2025 |
| BlackRock, Inc. |
13F
Company
|
15%
|
$176,409,063
3,528,887 shares
|
— | 30 Sep 2025 |
| VANGUARD GROUP INC |
13F
Company
|
13%
|
$159,188,855
3,184,414 shares
|
— | 30 Sep 2025 |
| AMERICAN CENTURY COMPANIES INC |
13F
Company
|
7.3%
|
$88,728,015
1,774,913 shares
|
— | 30 Sep 2025 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
3.7%
|
$44,700,175
894,194 shares
|
— | 30 Sep 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q4 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
216
Shares
19,827,394
Rows available
216
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q4 2025 vs Q3 2025 Across Filers
Q3 2025 holders
215
Q4 2025 holders
216
Holder diff
1
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 value | Q4 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend