Security Snapshot

MERCANTILE BANK CORP - Common Stock (MBWM) Institutional Ownership

CUSIP: 587376104

13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026

Latest Period

Q1 2026

Institutions Reporting

198

Shares (Excl. Options)

11,690,789

Price

$50.50

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Type / Class
Equity / Common Stock
Symbol
MBWM on Nasdaq
Shares outstanding
17,232,333
Price per share
$50.50
All holders as of 31 Mar 2026
Q1 2026
Total 13F shares
11,690,789
Total reported value
$590,293,359
% of total 13F portfolios
0%
Share change
+987,825
Value change
+$50,296,608
Number of holders
198
Price from insider filings
$50.50
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Key facts

  • MBWM - MERCANTILE BANK CORP - Common Stock is tracked under CUSIP 587376104.
  • 198 institutions reported positions in Q1 2026.
  • 3 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 192 to 198 between Q4 2025 and Q1 2026.
  • Reported value moved from $514,786,933 to $590,293,359.

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 198 institutions filings for Q1 2026.

Open SEC Evidence

Security key

587376104

Latest holder period

Q1 2026

13F holders

198

13D/G owners

3

CIK / CUSIP context first

Open Q1 2026 holders MBWM full holder history MERCANTILE BANK CORP SEC filings MERCANTILE BANK CORP company facts MERCANTILE BANK CORP insider transactions

Broader feeds

Latest 13F filings Latest 13D/G filings All securities

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
3
Security
MBWM
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
BlackRock, Inc. 7.5% $48,564,327 1,223,591 BlackRock, Inc. 31 Mar 2025
WELLINGTON MANAGEMENT GROUP LLP 6.9% $60,046,066 1,189,031 Wellington Management Group LLP 31 Mar 2026
DIMENSIONAL FUND ADVISORS LP 6% $49,614,428 1,031,485 Dimensional Fund Advisors LP 31 Dec 2025

As of 31 Mar 2026, 198 institutional investors reported holding 11,690,789 shares of MERCANTILE BANK CORP - Common Stock (MBWM). This represents 68% of the company’s total 17,232,333 outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
54%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BlackRock, Inc. 8.1% 1,388,714 -3.5% 0% $70,130,051
WELLINGTON MANAGEMENT GROUP LLP 6.9% 1,189,031 +303% 0.01% $60,046,066
DIMENSIONAL FUND ADVISORS LP 6% 1,032,888 +0.14% 0.01% $52,160,616
VANGUARD CAPITAL MANAGEMENT LLC 4.1% 704,324 0% 0% $35,568,362
AMERICAN CENTURY COMPANIES INC 3.3% 561,467 +8.4% 0.01% $28,354,083
STATE STREET CORP 2.9% 502,468 +12% 0% $25,374,634
RENAISSANCE TECHNOLOGIES LLC 2.7% 472,213 -4.8% 0.04% $23,846,757
GEODE CAPITAL MANAGEMENT, LLC 2.5% 435,012 +8% 0% $21,972,642
NORTH STAR ASSET MANAGEMENT INC 2.2% 383,180 +2.3% 0.84% $19,350,590
LSV ASSET MANAGEMENT 1.6% 283,186 -4% 0.03% $14,301,000
VANGUARD PORTFOLIO MANAGEMENT LLC 1.6% 275,321 0% 0% $13,903,711
NORTHERN TRUST CORP 1.3% 232,600 +39% 0% $11,746,301
Tributary Capital Management, LLC 1.3% 224,632 -2.9% 1.1% $11,343,930
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC 1.1% 191,153 -5.7% 0.03% $9,653,227
TWO SIGMA INVESTMENTS, LP 1.1% 181,647 +51% 0.01% $9,173,174
JPMORGAN CHASE & CO 0.86% 148,858 -24% 0% $7,447,366
AQR CAPITAL MANAGEMENT LLC 0.85% 146,713 -8.1% 0% $7,409,015
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.82% 140,446 +5.4% 0% $7,092,523
BANC FUNDS CO LLC 0.76% 131,160 +0.24% 1.2% $6,623,580
MERCER GLOBAL ADVISORS INC /ADV 0.75% 129,257 +18% 0.01% $6,527,459
MORGAN STANLEY 0.74% 127,235 -20% 0% $6,425,404
BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.73% 126,269 +5.1% 0.13% $6,376,585
ProShare Advisors LLC 0.73% 125,631 -3.4% 0.01% $6,344,368
GOLDMAN SACHS GROUP INC 0.65% 112,721 -16% 0% $5,692,427
VANGUARD FIDUCIARY TRUST CO 0.64% 110,259 0% 0% $5,568,080

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
49
Latest
Q1 2026
Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 11,690,789 $590,293,359 +$50,296,608 $50.50 198
2025 Q4 10,704,142 $514,786,933 +$4,319,332 $48.10 192
2025 Q3 10,615,170 $477,695,297 +$7,571,481 $45.00 198
2025 Q2 10,419,226 $483,578,601 +$2,319,075 $46.41 194
2025 Q1 10,396,976 $451,661,203 +$3,757,697 $43.44 193
2024 Q4 10,287,097 $457,638,184 +$13,021,558 $44.49 178
2024 Q3 9,968,474 $435,506,245 +$4,609,690 $43.72 160
2024 Q2 9,838,535 $399,126,506 +$7,152,043 $40.57 160
2024 Q1 9,672,680 $372,329,145 +$6,993,581 $38.49 153
2023 Q4 9,445,794 $381,423,015 +$11,595,105 $40.38 141
2023 Q3 9,165,128 $283,289,338 +$4,561,025 $30.91 131
2023 Q2 9,053,634 $250,138,193 -$2,218,763 $27.62 116
2023 Q1 9,094,065 $278,024,632 +$6,327,631 $30.58 125
2022 Q4 8,974,884 $300,477,169 +$6,342,442 $33.48 131
2022 Q3 8,809,689 $261,750,434 -$3,007,806 $29.71 118
2022 Q2 8,859,006 $283,037,450 +$9,888,207 $31.95 126
2022 Q1 8,684,426 $307,673,794 +$7,351,559 $35.42 121
2021 Q4 8,476,688 $296,890,129 +$2,200,043 $35.03 118
2021 Q3 8,396,693 $268,843,156 -$6,585,348 $32.03 112
2021 Q2 8,601,304 $259,880,687 -$8,580,353 $30.20 110
2021 Q1 8,877,213 $288,413,414 -$3,697,437 $32.47 113
2020 Q4 8,992,541 $244,331,400 +$6,611,132 $27.17 99
2020 Q3 8,688,099 $156,565,475 -$3,248,352 $18.02 93
2020 Q2 8,843,279 $199,807,648 -$15,141 $22.60 98
2020 Q1 8,852,287 $187,375,046 -$9,538,073 $21.17 95
2019 Q4 9,164,300 $334,213,054 +$6,368,115 $36.47 110
2019 Q3 8,990,391 $294,887,884 +$160,827 $32.80 107
2019 Q2 8,986,142 $292,723,424 +$5,492,638 $32.58 102
2019 Q1 8,884,550 $290,696,548 -$2,077,150 $32.72 101
2018 Q4 8,941,903 $253,232,883 -$8,972,251 $28.26 102
2018 Q3 9,250,559 $308,678,031 +$5,630,117 $33.37 105
2018 Q2 9,077,627 $335,292,260 +$8,572,796 $36.96 104
2018 Q1 8,863,253 $294,705,324 +$3,635,039 $33.25 105
2017 Q4 8,772,031 $310,272,010 +$5,526,680 $35.37 96
2017 Q3 8,592,960 $299,900,248 -$3,358,176 $34.90 91
2017 Q2 8,710,003 $274,188,023 +$3,677,469 $31.48 89
2017 Q1 8,586,343 $295,371,842 +$44,877,026 $34.40 95
2016 Q4 8,099,151 $305,287,340 +$8,483,006 $37.70 91
2016 Q3 7,785,609 $208,981,116 +$5,671,253 $26.85 82
2016 Q2 7,614,332 $181,674,543 +$4,392,252 $23.86 83
2016 Q1 7,442,825 $166,911,906 +$3,474,997 $22.42 72
2015 Q4 7,285,964 $178,810,475 +$4,681,274 $24.54 75
2015 Q3 7,128,479 $148,126,200 -$950,978 $20.78 75
2015 Q2 7,160,712 $153,306,999 -$5,558,042 $21.41 66
2015 Q1 7,420,243 $145,031,361 -$1,335,548 $19.55 61
2014 Q4 7,484,810 $157,214,979 +$1,674,375 $21.02 64
2014 Q3 7,411,677 $141,196,053 +$2,802,732 $19.05 64
2014 Q2 7,233,043 $165,426,489 +$66,489,207 $22.88 68
2014 Q1 4,375,340 $90,208,050 +$4,172,664 $20.62 57
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