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Equibles

MBWM

Mercantile Bank Corp

Company with tickers: MBWM

CIK
1042729
CUSIP
587376104
Shares Outstanding
17,274,375
13F Activity (30d)
145 filings 140 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 200
Total Value: $590,388,916
Total Shares: 11,690,871
Showing 1–100 of 200 holdings by value · page 1 of 2

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 200 13F filers · Δ vs Dec 31, 2025
Top Holder
11.9%
Jun 2023 → Mar 2026 · range 11.9% – 16.4%
−1.6 pts
Top 5
41.7%
Jun 2023 → Mar 2026 · range 41.7% – 49.0%
−0.8 pts
Top 10
59.5%
Jun 2023 → Mar 2026 · range 59.3% – 66.8%
+0.0 pts
HHI
484
Jun 2023 → Mar 2026 · range 484 – 659
Broadly held −28

Quarterly Activity

vs Dec 31, 2025
New
29
Increased
71
Decreased
55
Sold Out
21
Unchanged
45
Holder count: +8
Institutional value: +14.7%
Shares held: +9.2%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mega WELLINGTON MANAGEMENT GROUP LLP +894,218 1,189,031
Mega NORTHERN TRUST CORP +65,602 232,600
Mega TWO SIGMA INVESTMENTS, LP +61,470 181,647
Mega STATE STREET CORP +55,452 502,468
Mega AMERICAN CENTURY COMPANIES INC +43,563 561,467

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Large Qube Research & Technologies Ltd −51,949 21,010
Mega BlackRock, Inc. −50,171 1,388,714
Mega JPMORGAN CHASE & CO −46,180 148,858
Mega MORGAN STANLEY −32,378 127,236
Large RENAISSANCE TECHNOLOGIES LLC −24,000 472,213

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD CAPITAL MANAGEMENT LLC 704,324 $35,568,362
Mega VANGUARD PORTFOLIO MANAGEMENT LLC 275,321 $13,903,710
Mega VANGUARD FIDUCIARY TRUST CO 110,259 $5,568,079
Large Empowered Funds, LLC 78,969 $3,987,934
Mid Curi Capital, LLC 26,654 $1,346,026

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega VANGUARD GROUP INC 1,066,368 $51,292,299
Large TWO SIGMA ADVISERS, LP 40,884 $1,966,520
Large Brandywine Global Investment Management, LLC 33,147 $1,594,370
Large MARSHALL WACE, LLP 28,415 $1,366,760
Mega MILLENNIUM MANAGEMENT LLC 23,711 $1,140,499
Filter: New 29 Increased 71 Reduced 55 Sold out 21 Unchanged 45
Showing 100 of 200
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mega BlackRock, Inc. $70,130,054 11.88% 1,388,714
Mega WELLINGTON MANAGEMENT GROUP LLP $60,046,065 10.17% 1,189,031
Mega DIMENSIONAL FUND ADVISORS LP $52,160,843 8.83% 1,032,888
Mega VANGUARD CAPITAL MANAGEMENT LLC $35,568,362 6.02% 704,324
Mega AMERICAN CENTURY COMPANIES INC $28,354,083 4.80% 561,467
Mega STATE STREET CORP $25,374,634 4.30% 502,468
Large RENAISSANCE TECHNOLOGIES LLC $23,846,756 4.04% 472,213
Mega GEODE CAPITAL MANAGEMENT, LLC $21,968,106 3.72% 435,012
Mid NORTH STAR ASSET MANAGEMENT INC $19,350,590 3.28% 383,180
Large LSV ASSET MANAGEMENT $14,300,893 2.42% 283,186
Mega VANGUARD PORTFOLIO MANAGEMENT LLC $13,903,710 2.36% 275,321
Mega NORTHERN TRUST CORP Bank $11,746,299 1.99% 232,600
Mid Tributary Capital Management, LLC $11,343,916 1.92% 224,632
Large HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC $9,653,226 1.64% 191,153
Mega TWO SIGMA INVESTMENTS, LP $9,173,173 1.55% 181,647
Mega JPMORGAN CHASE & CO $7,517,328 1.27% 148,858
Mega AQR CAPITAL MANAGEMENT LLC $7,409,005 1.25% 146,713
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $7,092,523 1.20% 140,446
Small BANC FUNDS CO LLC $6,623,580 1.12% 131,160
Large MERCER GLOBAL ADVISORS INC /ADV $6,527,478 1.11% 129,257
Mega MORGAN STANLEY $6,425,414 1.09% 127,236
Mid BRIDGEWAY CAPITAL MANAGEMENT, LLC $6,376,584 1.08% 126,269
Large ProShare Advisors LLC $6,344,365 1.07% 125,631
Mega GOLDMAN SACHS GROUP INC $5,692,410 0.96% 112,721
Mega VANGUARD FIDUCIARY TRUST CO Bank $5,568,079 0.94% 110,259
Mega Bank of New York Mellon Corp Bank $4,679,278 0.79% 92,659
Small Siena Capital Partners GP, LLC $4,240,283 0.72% 83,966
Large Empowered Funds, LLC $3,987,934 0.68% 78,969
Small De Lisle Partners LLP $3,820,274 0.65% 75,649
Mega ENVESTNET ASSET MANAGEMENT INC $3,328,051 0.56% 65,902
Micro jvl associates llc $3,308,154 0.56% 65,508
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP $3,277,652 0.56% 64,904
Mega AMERIPRISE FINANCIAL INC $2,783,812 0.47% 55,125
Mega FRANKLIN RESOURCES INC $2,680,691 0.45% 53,083
Small Elizabeth Park Capital Advisors, Ltd. $2,574,035 0.44% 50,971
Large Connor, Clark & Lunn Investment Management Ltd. $2,466,925 0.42% 48,850
Mega RAYMOND JAMES FINANCIAL INC $2,432,130 0.41% 48,161
Micro Rosenthal | Henry Capital Advisors, Inc. $2,272,500 0.38% 45,000
Mega BANK OF AMERICA CORP /DE/ Bank $1,857,238 0.31% 36,777
Large Creative Planning $1,836,988 0.31% 36,376
Mega UBS Group AG $1,799,769 0.30% 35,639
Mega WELLS FARGO & COMPANY/MN $1,654,228 0.28% 32,757
Small LaFleur & Godfrey LLC $1,590,699 0.27% 31,499
Mega Nuveen, LLC $1,558,227 0.26% 30,856
Mega Swiss National Bank Bank $1,535,200 0.26% 30,400
Mega CITADEL ADVISORS LLC $1,461,116 0.25% 28,933
Large Quantinno Capital Management LP $1,349,966 0.23% 26,732
Mid Curi Capital, LLC $1,346,026 0.23% 26,654
Large OSAIC HOLDINGS, INC. $1,280,275 0.22% 25,352
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $1,227,251 0.21% 24,302
Mid Focus Partners Advisor Solutions, LLC $1,183,518 0.20% 23,436
Small Wakefield Asset Management LLLP $1,152,915 0.20% 22,830
Mega Invesco Ltd. $1,138,723 0.19% 22,549
Large CREDIT AGRICOLE S A $1,133,321 0.19% 22,442
Mega ALLIANCEBERNSTEIN L.P. $1,088,022 0.18% 21,545
Large Cerity Partners LLC $1,079,286 0.18% 21,372
Mega BARCLAYS PLC $1,070,599 0.18% 21,200
Large Qube Research & Technologies Ltd $1,061,005 0.18% 21,010
Mega RHUMBLINE ADVISERS $1,039,492 0.18% 20,584
Large IEQ CAPITAL, LLC $1,013,787 0.17% 20,075
Micro Discipline Wealth Solutions, LLC $1,001,213 0.17% 19,826
Mega VICTORY CAPITAL MANAGEMENT INC $919,100 0.16% 18,200
Large Pathstone Holdings, LLC $906,626 0.15% 17,953
Large LAZARD ASSET MANAGEMENT LLC $887,234 0.15% 17,569
Large Baird Financial Group, Inc. $882,487 0.15% 17,475
Mid BAILARD, INC. $878,750 0.15% 17,401
Small Round Hill Asset Management $854,712 0.14% 16,925
Large Man Group plc $830,826 0.14% 16,452
Mid WEDGE CAPITAL MANAGEMENT L L P/NC $828,957 0.14% 16,415
Large FEDERATED HERMES, INC. $789,315 0.13% 15,630
Small CHICAGO TRUST Co NA Bank $787,345 0.13% 15,591
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $776,892 0.13% 15,384
Mid GSA CAPITAL PARTNERS LLP $753,561 0.13% 14,922
Mega Legal & General Group Plc $733,916 0.12% 14,533
Large SEI INVESTMENTS CO $732,603 0.12% 14,507
Mega LPL Financial LLC $728,159 0.12% 14,419
Mid Y-Intercept (Hong Kong) Ltd $708,616 0.12% 14,032
Small LVM CAPITAL MANAGEMENT LTD/MI $705,838 0.12% 13,977
Large STRS OHIO $671,650 0.11% 13,300
Mid Hennion & Walsh Asset Management, Inc. $671,397 0.11% 13,295
Mega FMR LLC $660,540 0.11% 13,080
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $640,996 0.11% 12,693
Mega DEUTSCHE BANK AG\ Bank $637,259 0.11% 12,619
Large Allianz Asset Management GmbH $622,766 0.11% 12,332
Small Daytona Street Capital LLC $619,130 0.10% 12,260
Large BLAIR WILLIAM & CO/IL $615,544 0.10% 12,189
Large JACOBS LEVY EQUITY MANAGEMENT, INC $612,110 0.10% 12,121
Mega CANADA PENSION PLAN INVESTMENT BOARD Pension $600,950 0.10% 11,900
Micro Shakespeare Wealth Management, LLC $584,487 0.10% 11,574
Mega ROYAL BANK OF CANADA Bank $583,981 0.10% 11,564
Large Thrivent Financial for Lutherans $576,659 0.10% 11,419
Mega PRICE T ROWE ASSOCIATES INC /MD/ $574,791 0.10% 11,382
Large JONES FINANCIAL COMPANIES LLLP $571,256 0.10% 11,312
Large TEACHER RETIREMENT SYSTEM OF TEXAS Pension $562,317 0.10% 11,135
Small Strategies Wealth Advisors, LLC $560,550 0.09% 11,100
Mega CITIGROUP INC $560,145 0.09% 11,092
Large NATIXIS ADVISORS, LLC $537,673 0.09% 10,647
Small Regal Investment Advisors LLC $533,280 0.09% 10,560
Large CWM, LLC $521,968 0.09% 10,336
Large Rafferty Asset Management, LLC $516,918 0.09% 10,236

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