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Mercantile Bank Corp
MBWM

200 hedge funds and large institutions have $590M invested in Mercantile Bank Corp in 2026 Q1 according to their latest regulatory filings, with 30 funds opening new positions, 71 increasing their positions, 55 reducing their positions, and 16 closing their positions.

New
Increased
Maintained
Reduced
Closed

88% more first-time investments, than exits

New positions opened: 30 | Existing positions closed: 16

29% more repeat investments, than reductions

Existing positions increased: 71 | Existing positions reduced: 55

15% more capital invested

Capital invested by funds: $515M → $590M (+$75.7M)

5% more funds holding

Funds holding: 191 → 200 (+9)

1.85% more ownership

Funds ownership: 65.84% → 67.68% (+1.8%)

Holders
200
Holders Change
+9
Holders Change %
+4.71%
% of All Funds
2.46%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
30
Increased
71
Reduced
55
Closed
16
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Wellington Management Group
Wellington Management Group
Massachusetts
+$45.9M
2
EF
Empowered Funds
Pennsylvania
+$4.06M
3
Northern Trust
Northern Trust
Illinois
+$3.37M
4
Two Sigma Investments
Two Sigma Investments
New York
+$3.16M
5
State Street
State Street
Massachusetts
+$2.85M

Top Sellers

Rank Fund Capital Flow
1
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
-$2.67M
2
BlackRock
BlackRock
New York
-$2.58M
3
JP Morgan Chase
JP Morgan Chase
New York
-$2.37M
4
Morgan Stanley
Morgan Stanley
New York
-$1.66M
5
Marshall Wace
Marshall Wace
United Kingdom
-$1.37M
Name Holding Trade Value Shares
Change 		Change in
Stake
Marshall Wace
201
Marshall Wace
United Kingdom
– -$1.37M -28,415 Closed
Millennium Management
202
Millennium Management
New York
– -$1.14M -23,711 Closed
Tudor Investment Corp
203
Tudor Investment Corp
Connecticut
– -$1.12M -23,319 Closed
HSBC Holdings
204
HSBC Holdings
United Kingdom
– -$861K -17,959 Closed
WMA
205
West Michigan Advisors
Michigan
– -$331K -6,887 Closed
Mackenzie Financial
206
Mackenzie Financial
Ontario, Canada
– -$307K -6,410 Closed
A
207
AlphaQuest
New York
– -$250K -5,200 Closed
MML Investors Services
208
MML Investors Services
Massachusetts
– -$224K -4,658 Closed
EGM
209
Engineers Gate Manager
New York
– -$205K -4,264 Closed
KAS
210
Kestra Advisory Services
Texas
– -$26.1K -543 Closed
AB
211
Amalgamated Bank
New York
– -$24K -499 Closed
ECSS
212
Eurizon Capital SGR SpA
– -$3.27K -68 Closed
Simplex Trading
213
Simplex Trading
Illinois
– -$2.74K -57 Closed
C
214
Covestor
United Kingdom
– -$462 -9 -60%
ACM
215
Aster Capital Management
United Arab Emirates
– -$289 -6 Closed
CA
216
Clearstead Advisors
Ohio
– -$97 -2 Closed
5 6 7 8
9

MBWM Hedge Fund Activity: Q1 2026 in Review

200 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Mercantile Bank Corp (MBWM) for Q1 2026, worth a combined $590M — up 15% from $515M a quarter earlier.

Buyers outnumbered sellers: 30 funds opened new MBWM positions and 16 closed out — a net gain of 14 holders — while 71 added to existing stakes and 55 trimmed.

The largest buyer was Wellington Management Group, adding an estimated $45.9M. The largest seller was Qube Research & Technologies (QRT), cutting an estimated $2.67M.

  • 200 institutional investors held Mercantile Bank Corp (MBWM) as of Q1 2026, up from 191 in Q4 2025.
  • Funds reported $590M of Mercantile Bank Corp stock for Q1 2026, up 15% quarter-over-quarter.
  • 30 funds opened new Mercantile Bank Corp positions in Q1 2026 and 16 closed out, a net change of +14 holders.
  • The largest Mercantile Bank Corp buyer in Q1 2026 was Wellington Management Group, an estimated $45.9M added.
  • The largest Mercantile Bank Corp seller in Q1 2026 was Qube Research & Technologies (QRT), an estimated $2.67M sold.

Based on aggregated 13F filings for Q1 2026.