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Westamerica Bancorp
WABC

216 hedge funds and large institutions have $980M invested in Westamerica Bancorp in 2025 Q3 according to their latest regulatory filings, with 28 funds opening new positions, 74 increasing their positions, 80 reducing their positions, and 16 closing their positions.

New
Increased
Maintained
Reduced
Closed

75% more first-time investments, than exits

New positions opened: 28 | Existing positions closed: 16

5% more funds holding

Funds holding: 205 → 216 (+11)

1% more capital invested

Capital invested by funds: $967M → $980M (+$13M)

0.75% more ownership

Funds ownership: 76.25% → 77% (+0.75%)

8% less repeat investments, than reductions

Existing positions increased: 74 | Existing positions reduced: 80

Holders
216
Holders Change
+11
Holders Change %
+5.37%
% of All Funds
2.84%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
28
Increased
74
Reduced
80
Closed
16
Calls
$259K
Puts
–
Net Calls
+$259K
Net Calls Change
-$5.02M

Top Buyers

1
Millennium Management
Millennium Management
New York
+$9.95M
2
AQR Capital Management
AQR Capital Management
Connecticut
+$8.54M
3
MIM
MetLife Investment Management
New Jersey
+$6.96M
4
Assenagon Asset Management
Assenagon Asset Management
Luxembourg
+$5.77M
5
Goldman Sachs
Goldman Sachs
New York
+$2.57M

Top Sellers

1
American Century Companies
American Century Companies
Missouri
-$12.1M
2
Manulife (Manufacturers Life Insurance)
Manulife (Manufacturers Life Insurance)
Ontario, Canada
-$12M
3
Geode Capital Management
Geode Capital Management
Massachusetts
-$8.17M
4
BlackRock
BlackRock
New York
-$6.41M
5
MCM
Maltese Capital Management
New York
-$4.63M
Name Holding Trade Value Shares
Change 		Change in
Stake
BlackRock
1
BlackRock
New York
$176M -$6.41M -129,508 -4%
Vanguard Group
2
Vanguard Group
Pennsylvania
$159M -$644K -13,016 -0.4%
American Century Companies
3
American Century Companies
Missouri
$88.7M -$12.1M -244,416 -12%
State Street
4
State Street
Massachusetts
$61.4M -$2.49M -50,395 -4%
Dimensional Fund Advisors
5
Dimensional Fund Advisors
Texas
$44.7M +$320K +6,473 +0.7%
Geode Capital Management
6
Geode Capital Management
Massachusetts
$31.2M -$8.17M -165,044 -21%
Millennium Management
7
Millennium Management
New York
$20M +$9.95M +200,884 +101%
PCM
8
Palisade Capital Management
New Jersey
$18.5M -$611K -12,338 -3%
N
9
Nuveen
North Carolina
$17.9M -$1.24M -24,959 -7%
Northern Trust
10
Northern Trust
Illinois
$15.5M -$603K -12,177 -4%
Arrowstreet Capital
11
Arrowstreet Capital
Massachusetts
$15.1M -$387K -7,817 -3%
RC
12
RBO & Co
California
$14.9M – – –
Morgan Stanley
13
Morgan Stanley
New York
$14.8M -$1.04M -21,030 -7%
Charles Schwab
14
Charles Schwab
California
$14.2M +$553K +11,175 +4%
AQR Capital Management
15
AQR Capital Management
Connecticut
$14M +$8.54M +172,550 +159%
T. Rowe Price Investment Management
16
T. Rowe Price Investment Management
Maryland
$12.3M -$162K -3,277 -1%
Bank of New York Mellon
17
Bank of New York Mellon
New York
$11M -$748K -15,111 -6%
Qube Research & Technologies (QRT)
18
Qube Research & Technologies (QRT)
United Kingdom
$10.9M +$2.02M +40,740 +23%
Goldman Sachs
19
Goldman Sachs
New York
$10.3M +$2.57M +51,834 +34%
Two Sigma Investments
20
Two Sigma Investments
New York
$8.97M +$759K +15,322 +9%
Citadel Advisors
21
Citadel Advisors
Florida
$8.36M +$1.06M +21,491 +15%
MIM
22
MetLife Investment Management
New Jersey
$7.79M +$6.96M +140,488 +912%
New York State Common Retirement Fund
23
New York State Common Retirement Fund
New York
$7.68M -$292K -5,900 -4%
LI
24
Leeward Investments
Massachusetts
$7.14M -$153K -3,098 -2%
Principal Financial Group
25
Principal Financial Group
Iowa
$7.03M -$591K -11,942 -8%
1
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WABC Hedge Fund Activity: Q3 2025 in Review

216 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in Westamerica Bancorp (WABC) for Q3 2025, worth a combined $980M — up 1.3% from $967M a quarter earlier.

Buyers outnumbered sellers: 28 funds opened new WABC positions and 16 closed out — a net gain of 12 holders — while 74 added to existing stakes and 80 trimmed.

The largest buyer was Millennium Management, adding an estimated $9.95M. The largest seller was American Century Companies, cutting an estimated $12.1M.

  • 216 institutional investors held Westamerica Bancorp (WABC) as of Q3 2025, up from 205 in Q2 2025.
  • Funds reported $980M of Westamerica Bancorp stock for Q3 2025, up 1.3% quarter-over-quarter.
  • 28 funds opened new Westamerica Bancorp positions in Q3 2025 and 16 closed out, a net change of +12 holders.
  • The largest Westamerica Bancorp buyer in Q3 2025 was Millennium Management, an estimated $9.95M added.
  • The largest Westamerica Bancorp seller in Q3 2025 was American Century Companies, an estimated $12.1M sold.

Based on aggregated 13F filings for Q3 2025.