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Westamerica Bancorp
WABC

216 hedge funds and large institutions have $948M invested in Westamerica Bancorp in 2025 Q4 according to their latest regulatory filings, with 25 funds opening new positions, 72 increasing their positions, 92 reducing their positions, and 21 closing their positions.

New
Increased
Maintained
Reduced
Closed

19% more first-time investments, than exits

New positions opened: 25 | Existing positions closed: 21

2.52% more ownership

Funds ownership: 77% → 79.52% (+2.5%)

0% more funds holding

Funds holding: 216 → 216 (0)

0% more call options, than puts

Call options by funds: $5K | Put options by funds: $5K

3% less capital invested

Capital invested by funds: $980M → $948M (-$31.6M)

22% less repeat investments, than reductions

Existing positions increased: 72 | Existing positions reduced: 92

Holders
216
Holders Change
–
Holders Change %
0%
% of All Funds
2.63%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
25
Increased
72
Reduced
92
Closed
21
Calls
$5K
Puts
$5K
Net Calls
–
Net Calls Change
-$259K

Top Buyers

1
UBS Group
UBS Group
Switzerland
+$16.2M
2
AQR Capital Management
AQR Capital Management
Connecticut
+$4.84M
3
MIM
MetLife Investment Management
New Jersey
+$3.49M
4
Point72 Asset Management
Point72 Asset Management
Connecticut
+$3M
5
American Century Companies
American Century Companies
Missouri
+$2.87M

Top Sellers

1
Assenagon Asset Management
Assenagon Asset Management
Luxembourg
-$5.83M
2
DA
Denali Advisors
California
-$4.16M
3
Millennium Management
Millennium Management
New York
-$2.84M
4
PCM
Palisade Capital Management
New Jersey
-$2.43M
5
MCM
Maltese Capital Management
New York
-$1.85M
Name Holding Trade Value Shares
Change 		Change in
Stake
BlackRock
1
BlackRock
New York
$167M -$1.4M -29,099 -0.8%
Vanguard Group
2
Vanguard Group
Pennsylvania
$152M -$654K -13,645 -0.4%
American Century Companies
3
American Century Companies
Missouri
$87.8M +$2.87M +59,864 +3%
State Street
4
State Street
Massachusetts
$58.4M -$298K -6,223 -0.5%
Dimensional Fund Advisors
5
Dimensional Fund Advisors
Texas
$42.9M +$162K +3,378 +0.4%
Geode Capital Management
6
Geode Capital Management
Massachusetts
$29M -$870K -18,136 -3%
UBS Group
7
UBS Group
Switzerland
$21.9M +$16.2M +336,714 +279%
AQR Capital Management
8
AQR Capital Management
Connecticut
$18.3M +$4.84M +100,867 +36%
N
9
Nuveen
North Carolina
$17M -$132K -2,760 -0.8%
Millennium Management
10
Millennium Management
New York
$16.3M -$2.84M -59,188 -15%
PCM
11
Palisade Capital Management
New Jersey
$15.2M -$2.43M -50,579 -14%
Charles Schwab
12
Charles Schwab
California
$14.3M +$677K +14,121 +5%
Arrowstreet Capital
13
Arrowstreet Capital
Massachusetts
$14.1M -$324K -6,748 -2%
Morgan Stanley
14
Morgan Stanley
New York
$14.1M -$18.8K -392 -0.1%
Northern Trust
15
Northern Trust
Illinois
$13.7M -$1.05M -21,992 -7%
RC
16
RBO & Co
California
$13.7M -$492K -10,248 -3%
Goldman Sachs
17
Goldman Sachs
New York
$12.4M +$2.58M +53,788 +26%
T. Rowe Price Investment Management
18
T. Rowe Price Investment Management
Maryland
$11.4M -$362K -7,548 -3%
MIM
19
MetLife Investment Management
New Jersey
$10.9M +$3.49M +72,760 +47%
Qube Research & Technologies (QRT)
20
Qube Research & Technologies (QRT)
United Kingdom
$10.9M +$520K +10,834 +5%
Citadel Advisors
21
Citadel Advisors
Florida
$10.1M +$2.07M +43,165 +26%
Bank of New York Mellon
22
Bank of New York Mellon
New York
$9.97M -$549K -11,446 -5%
Two Sigma Investments
23
Two Sigma Investments
New York
$8.88M +$299K +6,234 +3%
Principal Financial Group
24
Principal Financial Group
Iowa
$6.96M +$235K +4,890 +3%
LI
25
Leeward Investments
Massachusetts
$6.79M -$40.4K -843 -0.6%
1
2 3 4 5

WABC Hedge Fund Activity: Q4 2025 in Review

216 of the 8,223 institutional investors tracked by Wall St. Rank reported a position in Westamerica Bancorp (WABC) for Q4 2025, worth a combined $948M — down 3.2% from $980M a quarter earlier.

Buyers outnumbered sellers: 25 funds opened new WABC positions and 21 closed out — a net gain of 4 holders — while 72 added to existing stakes and 92 trimmed.

The largest buyer was UBS Group, adding an estimated $16.2M. The largest seller was Assenagon Asset Management, exiting entirely with an estimated $5.83M sold.

  • 216 institutional investors held Westamerica Bancorp (WABC) as of Q4 2025, unchanged from Q3 2025.
  • Funds reported $948M of Westamerica Bancorp stock for Q4 2025, down 3.2% quarter-over-quarter.
  • 25 funds opened new Westamerica Bancorp positions in Q4 2025 and 21 closed out, a net change of +4 holders.
  • The largest Westamerica Bancorp buyer in Q4 2025 was UBS Group, an estimated $16.2M added.
  • The largest Westamerica Bancorp seller in Q4 2025 was Assenagon Asset Management, an estimated $5.83M sold.

Based on aggregated 13F filings for Q4 2025.