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Westamerica Bancorp

204 hedge funds and large institutions have $967M invested in Westamerica Bancorp in 2026 Q1 according to their latest regulatory filings, with 21 funds opening new positions, 69 increasing their positions, 82 reducing their positions, and 27 closing their positions.

New
Increased
Maintained
Reduced
Closed

19,720% more call options, than puts

Call options by funds: $991K | Put options by funds: $5K

2% more capital invested

Capital invested by funds: $948M → $967M (+$18.6M)

2.86% less ownership

Funds ownership: 79.52%76.67% (-2.9%)

6% less funds holding

Funds holding: 216204 (-12)

16% less repeat investments, than reductions

Existing positions increased: 69 | Existing positions reduced: 82

22% less first-time investments, than exits

New positions opened: 21 | Existing positions closed: 27

Holders
204
Holders Change
-12
Holders Change %
-5.56%
% of All Funds
2.51%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
21
Increased
69
Reduced
82
Closed
27
Calls
$991K
Puts
$5K
Net Calls
+$986K
Net Calls Change
+$986K
Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$180M -$2.56M -50,453 -1%
American Century Companies
2
American Century Companies
Missouri
$99.4M +$3.66M +72,093 +4%
VPM
3
Vanguard Portfolio Management
Pennsylvania
$91.8M +$89.2M +1,759,550 New
State Street
4
State Street
Massachusetts
$62.8M -$918K -18,096 -1%
VCM
5
Vanguard Capital Management
Pennsylvania
$57.1M +$55.5M +1,095,078 New
Dimensional Fund Advisors
6
Dimensional Fund Advisors
Texas
$49.3M +$2.39M +47,127 +5%
Geode Capital Management
7
Geode Capital Management
Massachusetts
$32M +$340K +6,695 +1%
AQR Capital Management
8
AQR Capital Management
Connecticut
$20.8M +$873K +17,214 +5%
N
9
Nuveen
North Carolina
$18.7M +$226K +4,455 +1%
Two Sigma Investments
10
Two Sigma Investments
New York
$18.4M +$8.49M +167,331 +90%
PCM
11
Palisade Capital Management
New Jersey
$15.9M -$692K -13,643 -4%
Charles Schwab
12
Charles Schwab
California
$15.5M -$27.7K -546 -0.2%
Northern Trust
13
Northern Trust
Illinois
$15.1M +$76.5K +1,508 +0.5%
Arrowstreet Capital
14
Arrowstreet Capital
Massachusetts
$14.8M -$587K -11,579 -4%
RC
15
RBO & Co
California
$14.7M -$235K -4,642 -2%
Morgan Stanley
16
Morgan Stanley
New York
$13.3M -$2.01M -39,613 -13%
Goldman Sachs
17
Goldman Sachs
New York
$11.8M -$1.65M -32,620 -13%
Bank of New York Mellon
18
Bank of New York Mellon
New York
$10.9M +$48.8K +962 +0.5%
T. Rowe Price Investment Management
19
T. Rowe Price Investment Management
Maryland
$10.2M -$2.19M -43,139 -18%
Qube Research & Technologies (QRT)
20
Qube Research & Technologies (QRT)
United Kingdom
$8.94M -$2.9M -57,102 -25%
VFT
21
Vanguard Fiduciary Trust
Pennsylvania
$8.34M +$8.11M +159,933 New
UBS Group
22
UBS Group
Switzerland
$8.34M -$15.1M -297,345 -65%
Renaissance Technologies
23
Renaissance Technologies
New York
$7.95M +$2.89M +56,900 +60%
Principal Financial Group
24
Principal Financial Group
Iowa
$7.88M +$285K +5,616 +4%
LI
25
Leeward Investments
Massachusetts
$7.21M -$190K -3,749 -3%

WABC Hedge Fund Activity: Q1 2026 in Review

204 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Westamerica Bancorp (WABC) for Q1 2026, worth a combined $967M — up 2% from $948M a quarter earlier.

Sellers outnumbered buyers: 27 funds closed out of WABC and 21 opened new positions — a net loss of 6 holders — while 82 trimmed existing stakes and 69 added.

The largest buyer was Two Sigma Investments, adding an estimated $8.49M. The largest seller was UBS Group, cutting an estimated $15.1M.

  • 204 institutional investors held Westamerica Bancorp (WABC) as of Q1 2026, down from 216 in Q4 2025.
  • Funds reported $967M of Westamerica Bancorp stock for Q1 2026, up 2% quarter-over-quarter.
  • 21 funds opened new Westamerica Bancorp positions in Q1 2026 and 27 closed out, a net change of -6 holders.
  • The largest Westamerica Bancorp buyer in Q1 2026 was Two Sigma Investments, an estimated $8.49M added.
  • The largest Westamerica Bancorp seller in Q1 2026 was UBS Group, an estimated $15.1M sold.

Based on aggregated 13F filings for Q1 2026.