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Westamerica Bancorp
WABC

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: 216 → 204 (-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

Top Buyers

1
Two Sigma Investments
Two Sigma Investments
New York
+$8.49M
2
HF
HRT Financial
New York
+$4.24M
3
Franklin Resources
Franklin Resources
California
+$3.76M
4
American Century Companies
American Century Companies
Missouri
+$3.66M
5
Renaissance Technologies
Renaissance Technologies
New York
+$2.89M

Top Sellers

1
UBS Group
UBS Group
Switzerland
-$15.1M
2
Millennium Management
Millennium Management
New York
-$14.4M
3
MIM
MetLife Investment Management
New Jersey
-$11M
4
Citadel Advisors
Citadel Advisors
Florida
-$4.35M
5
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
-$2.9M
Name Holding Trade Value Shares
Change 		Change in
Stake
Rockefeller Capital Management
201
Rockefeller Capital Management
New York
$783 +$304 +6 +67%
FMII
202
Farmers & Merchants Investments Inc
Nebraska
$782 -$152 -3 -17%
WA
203
WPG Advisers
Maryland
$522 -$456 -9 -47%
SS
204
SBI Securities
Japan
$156 -$152 -3 -50%
Two Sigma Advisers
205
Two Sigma Advisers
New York
– -$5.78M -120,900 Closed
AG
206
Algert Global
California
– -$2.46M -51,318 Closed
N
207
Numerai
California
– -$1.83M -38,346 Closed
IA
208
IFG Advisory
Georgia
– -$1.82M -37,972 Closed
Tudor Investment Corp
209
Tudor Investment Corp
Connecticut
– -$1.75M -36,665 Closed
A
210
AlphaQuest
New York
– -$1.37M -28,550 Closed
DA
211
Denali Advisors
California
– -$851K -17,800 Closed
SGI
212
Summit Global Investments
Utah
– -$797K -16,666 Closed
Balyasny Asset Management
213
Balyasny Asset Management
Illinois
– -$782K -16,356 Closed
AA
214
ALPS Advisors
Colorado
– -$453K -9,461 Closed
DADC
215
D.A. Davidson & Co
Montana
– -$357K -7,459 Closed
OAM
216
Oxford Asset Management
United Kingdom
– -$351K -7,329 Closed
JFG
217
Jefferies Financial Group
New York
– -$311K -6,500 Closed
BHCM
218
Brevan Howard Capital Management
Jersey
– -$309K -6,414 Closed
BIG
219
Brooklyn Investment Group
New York
– -$296K -6,034 Closed
WAM
220
Weiss Asset Management
Massachusetts
– -$273K -5,709 Closed
FFP
221
FourThought Financial Partners
Florida
– -$241K -5,040 Closed
Voloridge Investment Management
222
Voloridge Investment Management
Florida
– -$232K -4,847 Closed
IEFM
223
IQ EQ Fund Management
Ireland
– -$231K -4,835 Closed
ProShare Advisors
224
ProShare Advisors
Maryland
– -$226K -4,719 Closed
SC
225
SummitTX Capital
Texas
– -$219K -4,587 Closed
6 7 8
9
10

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.