Westamerica Bancorporation
WABC- Exchange
- Nasdaq
- Industry
- National Commercial Banks
- SEC CIK
- 0000311094
No open-market purchases or sales by Westamerica Bancorporation insiders were filed in the last 90 days; 214 institutions reported holding it in 13F filings for Q2 2026, worth $1.08B in total; no superinvestor holds it.
Holders of 5% or more of WABC
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Westamerica Bancorporation, largest stake first. The change is against the holder's previous filing.
No holder currently reports owning 5% or more of Westamerica Bancorporation on Schedule 13D or 13G.
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
3 Schedule 13D and 13G filings on Westamerica Bancorporation, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Mar 27, 20262:17 PM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | –Below 5% | Mar 13, 2026 | SEC |
| May 13, 202512:31 PM ET | State Street Corp | 13G | 4.60%1.23M shares | −0.50 ppfrom 5.10%Below 5% | Mar 31, 2025 | SEC |
| Feb 5, 20256:37 AM ET | State Street Corp | 13G | 5.10%1.36M shares | New | Dec 31, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Westamerica Bancorporation shares.
No Form 144 notices for Westamerica Bancorporation are on file.