Vault-13

MERCANTILE BK CORP MBWM

COM · Common Stock · CUSIP 587376104

207 institutional holders +7 vs Q1 2026
12,007,76212.0m shares reported held*
69.5% of all shares outstanding*
$689.2mreported value*
31 new 73 added 62 reduced 22 sold out net bought ≈ $21.1m (+367.1k shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($2.0m this quarter). Holder counts are more reliable. Shares outstanding: 17.3m as of 2026-07-24, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $57.39. Options: 0 managers hold calls (— notional), 1 hold puts ($5.7k).

Trends to Q2 2026

Institutional holders

Managers reporting a position, each quarter

0100200300Q3 22: 124Q4 22: 130Q1 23: 128Q2 23: 118Q3 23: 133Q4 23: 142Q1 24: 155Q2 24: 162Q3 24: 161Q4 24: 178Q1 25: 195Q2 25: 197Q3 25: 200Q4 25: 192Q1 26: 200Q2 26: 207207Q3 22Q3 23Q3 24Q3 25Q2 26
Numbers
QuarterHolders
Q3 2022124
Q4 2022130
Q1 2023128
Q2 2023118
Q3 2023133
Q4 2023142
Q1 2024155
Q2 2024162
Q3 2024161
Q4 2024178
Q1 2025195
Q2 2025197
Q3 2025200
Q4 2025192
Q1 2026200
Q2 2026207

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
2000200Q3 24: 73 bought or addedQ3 24: 63 cut or sold outQ4 24: 93 bought or addedQ4 24: 55 cut or sold outQ4 24Q1 25: 104 bought or addedQ1 25: 69 cut or sold outQ2 25: 86 bought or addedQ2 25: 85 cut or sold outQ2 25Q3 25: 102 bought or addedQ3 25: 77 cut or sold outQ4 25: 73 bought or addedQ4 25: 104 cut or sold outQ4 25Q1 26: 93 bought or addedQ1 26: 71 cut or sold outQ2 26: 104 bought or addedQ2 26: 84 cut or sold outQ2 26
Numbers
QuarterBought or addedCut or sold out
Q3 20247363
Q4 20249355
Q1 202510469
Q2 20258685
Q3 202510277
Q4 202573104
Q1 20269371
Q2 202610484

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$5k$10k$15k$20kQ3 25 calls: $9.0kQ3 25 puts: $9.0kQ3 25P/C 1.00Q4 25 calls: $9.6kQ4 25 puts: $19.2kQ4 25P/C 2.00Q1 26 calls: $0Q1 26 puts: $0Q1 26P/C —Q2 26 calls: $0Q2 26 puts: $5.7kQ2 26P/C —
Numbers
QuarterCallsPutsP/C
Q3 2025$9.0k$9.0k1.00
Q4 2025$9.6k$19.2k2.00
Q1 2026$0$0—
Q2 2026$0$5.7k—

Biggest buyers

BlackRock, Inc. Added +145,678+145.7k
STATE STREET CORP Added +96,173+96.2k
Rhino Investment Partners, Inc New +93,925+93.9k
CITADEL ADVISORS LLC Added +64,161+64.2k
AMERICAN CENTURY COMPANIES INC Added +63,548+63.5k
MALTESE CAPITAL MANAGEMENT LLC New +60,000+60.0k
Abundance Wealth Counselors New +56,181+56.2k
HRT FINANCIAL LP New +48,934+48.9k
TWO SIGMA INVESTMENTS, LP Added +32,093+32.1k
GEODE CAPITAL MANAGEMENT, LLC Added +31,398+31.4k

Biggest sellers

ProShare Advisors LLC Sold out -125,631-125.6k
WELLINGTON MANAGEMENT GROUP LLP Reduced -101,033-101.0k
BRIDGEWAY CAPITAL MANAGEMENT, LLC Reduced -85,297-85.3k
Empowered Funds, LLC Reduced -48,000-48.0k
RENAISSANCE TECHNOLOGIES LLC Reduced -25,600-25.6k
Wakefield Asset Management LLLP Sold out -22,830-22.8k
Qube Research & Technologies Ltd Sold out -21,010-21.0k
LAZARD ASSET MANAGEMENT LLC Sold out -17,569-17.6k
GSA CAPITAL PARTNERS LLP Sold out -14,922-14.9k
Y-Intercept (Hong Kong) Ltd Sold out -14,032-14.0k

Biggest calls

None

Biggest puts

SIMPLEX TRADING, LLC New $5.7k100 shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
BlackRock, Inc. 13G · institution filed 2025-04-24 7.5% 1.2m≈ $70.3m 2025-04-24
WELLINGTON MANAGEMENT GROUP LLP 13G · institution new · filed 2026-05-15 6.9% new 1.2m≈ $68.3m 2026-05-15
DIMENSIONAL FUND ADVISORS LP 13G · institution filed 2026-01-21 6.0% 1.0m≈ $59.2m 2026-01-21

Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-27)

Insider purchases and sales since 1 Apr 2026

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
404Q4 24: 0 buyingQ4 24: 1 sellingQ1 25: 3 buyingQ1 25: 3 sellingQ1 25Q2 25: 0 buyingQ2 25: 1 sellingQ3 25: 2 buyingQ3 25: 0 sellingQ3 25Q4 25: 1 buyingQ4 25: 1 sellingQ1 26: 0 buyingQ1 26: 0 sellingQ1 26Q2 26: 0 buyingQ2 26: 0 sellingQ3 26: 0 buyingQ3 26: 0 sellingQ3 26
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q4 20240—1$531.7k$33.5k
Q1 20253$101.3k3$746.1k$34.9k
Q2 20250—1$21.5k$21.5k
Q3 20252$79.5k0——
Q4 20251$43.5k1$209.8k—
Q1 20260—0——
Q2 20260—0——
Q3 20260—0——

None reported since 1 Apr 2026.

Holders, Q2 2026

#ManagerLocationShares Value% of their portfolioChangeShares change
1 BlackRock, Inc. 0.00% of their portfolio New York, NY 1,534,3921.5m $88.1m $88.1m 0.00% Added +145.7k +145,678
2 WELLINGTON MANAGEMENT GROUP LLP 0.01% of their portfolio Boston, MA 1,087,9981.1m $62.5m $62.5m 0.01% Reduced -101.0k -101,033
3 DIMENSIONAL FUND ADVISORS LP 0.01% of their portfolio AUSTIN, TX 1,046,8411.0m $60.1m $60.1m 0.01% Added +14.0k +13,953
4 VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 735,613735.6k $42.2m $42.2m 0.00% Added +31.3k +31,289
5 AMERICAN CENTURY COMPANIES INC 0.02% of their portfolio KANSAS CITY, MO 625,015625.0k $35.9m $35.9m 0.02% Added +63.5k +63,548
6 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 598,641598.6k $34.4m $34.4m 0.00% Added +96.2k +96,173
7 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 466,410466.4k $26.8m $26.8m 0.00% Added +31.4k +31,398
8 RENAISSANCE TECHNOLOGIES LLC 0.04% of their portfolio NEW YORK, NY 446,613446.6k $25.6m $25.6m 0.04% Reduced -25.6k -25,600
9 NORTH STAR ASSET MANAGEMENT INC 0.85% of their portfolio NEENAH, WI 377,427377.4k $21.7m $21.7m 0.85% Reduced -5.8k -5,753
10 VANGUARD PORTFOLIO MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 290,093290.1k $16.7m $16.7m 0.00% Added +14.8k +14,772
11 LSV ASSET MANAGEMENT 0.03% of their portfolio CHICAGO, IL 280,786280.8k $16.1m $16.1m 0.03% Reduced -2.4k -2,400
12 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 240,668240.7k $13.8m $13.8m 0.00% Added +8.1k +8,068
13 Tributary Capital Management, LLC 1.03% of their portfolio OMAHA, NE 218,146218.1k $12.5m $12.5m 1.03% Reduced -6.5k -6,486
14 TWO SIGMA INVESTMENTS, LP 0.01% of their portfolio NEW YORK, NY 213,740213.7k $12.3m $12.3m 0.01% Added +32.1k +32,093
15 HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC 0.03% of their portfolio Los Angeles, CA 192,503192.5k $11.1m $11.1m 0.03% Added +1.4k +1,350
16 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio SAN FRANCISCO, CA 144,188144.2k $8.3m $8.3m 0.00% Added +3.7k +3,742
17 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 140,097140.1k $8.0m $8.0m 0.00% Reduced -8.8k -8,761
18 AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio Greenwich, CT 137,726137.7k $7.9m $7.9m 0.00% Reduced -9.0k -8,987
19 BANC FUNDS CO LLC 1.24% of their portfolio CHICAGO, IL 131,160131.2k $7.5m $7.5m 1.24% Unchanged
20 MERCER GLOBAL ADVISORS INC /ADV 0.01% of their portfolio DENVER, CO 127,923127.9k $7.3m $7.3m 0.01% Reduced -1.3k -1,334
21 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 123,030123.0k $7.1m $7.1m 0.00% Reduced -4.2k -4,206
22 VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio MALVERN, PA 112,722112.7k $6.5m $6.5m 0.00% Added +2.5k +2,463
23 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 101,031101.0k $5.8m $5.8m 0.00% Reduced -11.7k -11,690
24 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 98,10298.1k $5.6m $5.6m 0.00% Added +5.4k +5,443
25 Rhino Investment Partners, Inc 1.63% of their portfolio WEST CONSHOHOCKEN, PA 93,92593.9k $5.4m $5.4m 1.63% New
26 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 93,09493.1k $5.3m $5.3m 0.00% Added +64.2k +64,161
27 Siena Capital Partners GP, LLC 1.17% of their portfolio EVANSTON, IL 83,96684.0k $4.8m $4.8m 1.17% Unchanged
28 De Lisle Partners LLP 0.47% of their portfolio POOLE, X0 75,64975.6k $4.3m $4.3m 0.47% Unchanged
29 jvl associates llc 1.09% of their portfolio WYOMING, MI 67,19467.2k $3.9m $3.9m 1.09% Added +1.7k +1,686
30 ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.00% of their portfolio BOSTON, MA 64,90464.9k $3.7m $3.7m 0.00% Unchanged
31 ENVESTNET ASSET MANAGEMENT INC 0.00% of their portfolio Berwyn, PA 62,01962.0k $3.6m $3.6m 0.00% Reduced -3.9k -3,883
32 MALTESE CAPITAL MANAGEMENT LLC 0.63% of their portfolio New York, NY 60,00060.0k $3.4m $3.4m 0.63% New
33 Abundance Wealth Counselors 0.21% of their portfolio STATE COLLEGE, PA 56,18156.2k $3.2m $3.2m 0.21% New
34 FRANKLIN RESOURCES INC 0.00% of their portfolio San Mateo, CA 55,46255.5k $3.2m $3.2m 0.00% Added +2.4k +2,379
35 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 55,18655.2k $3.2m $3.2m 0.00% Added +61 +61
36 Elizabeth Park Capital Advisors, Ltd. 2.02% of their portfolio PEPPER PIKE, OH 50,97151.0k $2.9m $2.9m 2.02% Unchanged
37 HRT FINANCIAL LP 0.01% of their portfolio NEW YORK, NY 48,93448.9k $2.8m $2.8m 0.01% New
38 Connor, Clark & Lunn Investment Management Ltd. 0.01% of their portfolio VANCOUVER, A1 48,39248.4k $2.8m $2.8m 0.01% Reduced -458 -458
39 RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio ST. PETERSBURG, FL 47,32347.3k $2.7m $2.7m 0.00% Reduced -838 -838
40 Rosenthal | Henry Capital Advisors, Inc. 2.26% of their portfolio MISHAWAKA, IN 45,00045.0k $2.6m $2.6m 2.26% Unchanged
41 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 40,98441.0k $2.4m $2.4m 0.00% Added +8.2k +8,227
42 BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.04% of their portfolio HOUSTON, TX 40,97241.0k $2.4m $2.4m 0.04% Reduced -85.3k -85,297
43 Quantinno Capital Management LP 0.00% of their portfolio NEW YORK, NY 40,94040.9k $2.4m $2.4m 0.00% Added +14.2k +14,208
44 Nuveen, LLC 0.00% of their portfolio CHARLOTTE, NC 39,56339.6k $2.3m $2.3m 0.00% Added +8.7k +8,707
45 Creative Planning 0.00% of their portfolio OVERLAND PARK, KS 39,19539.2k $2.3m $2.3m 0.00% Added +2.8k +2,819
46 Swiss National Bank 0.00% of their portfolio ZURICH, V8 32,90032.9k $1.9m $1.9m 0.00% Added +2.5k +2,500
47 Empowered Funds, LLC 0.01% of their portfolio NEWTOWN SQUARE, PA 30,96931.0k $1.8m $1.8m 0.01% Reduced -48.0k -48,000
48 LaFleur & Godfrey LLC 0.21% of their portfolio GRAND RAPIDS, MI 30,59530.6k $1.8m $1.8m 0.21% Reduced -904 -904
49 Curi Capital, LLC 0.02% of their portfolio CHICAGO, IL 26,65426.7k $1.5m $1.5m 0.02% Unchanged
50 UBS Group AG 0.00% of their portfolio ZURICH, V8 26,49026.5k $1.5m $1.5m 0.00% Reduced -9.1k -9,149
51 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 25,27025.3k $1.5m $1.5m 0.00% Reduced -82 -82
52 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio NEW YORK, NY 24,13424.1k $1.4m $1.4m 0.00% Reduced -168 -168
53 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 24,03324.0k $1.4m $1.4m 0.00% Reduced -12.7k -12,744
54 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 23,69323.7k $1.4m $1.4m 0.00% Added +1.1k +1,144
55 XTX Topco Ltd 0.02% of their portfolio LONDON, X0 23,11923.1k $1.3m $1.3m 0.02% Added +14.4k +14,414
56 Focus Partners Advisor Solutions, LLC 0.01% of their portfolio SAINT LOUIS, MO 22,73122.7k $1.3m $1.3m 0.01% Reduced -705 -705
57 CREDIT AGRICOLE S A 0.00% of their portfolio Montrouge Cedex, I0 22,44222.4k $1.3m $1.3m 0.00% Unchanged
58 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 21,94321.9k $1.3m $1.3m 0.00% Added +743 +743
59 State of New Jersey Common Pension Fund D 0.00% of their portfolio TRENTON, NJ 21,76121.8k $1.2m $1.2m 0.00% New
60 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 21,56121.6k $1.1m $1.1m 0.00% Added +16 +16
61 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 21,40521.4k $1.2m $1.2m 0.00% Added +821 +821
62 Man Group plc 0.00% of their portfolio LONDON, X0 19,92419.9k $1.1m $1.1m 0.00% Added +3.5k +3,472
63 Discipline Wealth Solutions, LLC 0.10% of their portfolio GREENVILLE, SC 19,82619.8k $1.1m $1.1m 0.10% Unchanged
64 Cerity Partners LLC 0.00% of their portfolio NEW YORK, NY 19,63219.6k $1.1m $1.1m 0.00% Reduced -1.7k -1,740
65 VICTORY CAPITAL MANAGEMENT INC 0.00% of their portfolio San Antonio, TX 19,45019.4k $1.1m $1.1m 0.00% Added +1.2k +1,250
66 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio WEST SACRAMENTO, CA 19,00719.0k $1.1m $1.1m 0.00% Added +3.6k +3,623
67 FEDERATED HERMES, INC. 0.00% of their portfolio PITTSBURGH, PA 18,00518.0k $1.0m $1.0m 0.00% Added +2.4k +2,375
68 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 17,93417.9k $1.0m $1.0m 0.00% Added +5.3k +5,315
69 IEQ CAPITAL, LLC 0.00% of their portfolio Foster City, CA 17,70417.7k $1.0m $1.0m 0.00% Reduced -2.4k -2,371
70 BAILARD, INC. 0.02% of their portfolio Foster City, CA 17,60117.6k $1.0m $1.0m 0.02% Added +200 +200
71 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 17,59717.6k $1.0m $1.0m 0.00% Added +6.5k +6,505
72 Baird Financial Group, Inc. 0.00% of their portfolio MILWAUKEE, WI 17,47517.5k $1.0m $1.0m 0.00% Unchanged
73 Pathstone Holdings, LLC 0.00% of their portfolio ENGLEWOOD, NJ 17,38417.4k $998.2k $998.2k 0.00% Reduced -569 -569
74 Round Hill Asset Management 0.62% of their portfolio PASADENA, CA 16,92516.9k $971.8k $971.8k 0.62% Unchanged
75 WEDGE CAPITAL MANAGEMENT L L P/NC 0.02% of their portfolio CHARLOTTE, NC 16,15916.2k $927.9k $927.9k 0.02% Reduced -256 -256
76 FIDUCIARY FINANCIAL ADVISORS 0.09% of their portfolio GRAND RAPIDS, MI 15,92315.9k $914.3k $914.3k 0.09% New
77 CHICAGO TRUST Co NA 0.13% of their portfolio GRAYSLAKE, IL 15,59115.6k $895.2k $895.2k 0.13% Unchanged
78 Atom Investors LP 0.08% of their portfolio AUSTIN, TX 15,14515.1k $869.6k $869.6k 0.08% New
79 STRS OHIO 0.00% of their portfolio COLUMBUS, OH 14,40014.4k $826.8k $826.8k 0.00% Added +1.1k +1,100
80 LPL Financial LLC 0.00% of their portfolio FORT MILL, SC 14,33414.3k $823.1k $823.1k 0.00% Reduced -85 -85
81 PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio BALTIMORE, MD 14,13914.1k $812.0k $812.0k 0.00% Added +2.8k +2,757
82 LVM CAPITAL MANAGEMENT LTD/MI 0.07% of their portfolio PORTAGE, MI 13,87713.9k $797.0k $797.0k 0.07% Reduced -100 -100
83 Hennion & Walsh Asset Management, Inc. 0.02% of their portfolio Parsippany, NJ 13,21913.2k $759.0k $759.0k 0.02% Reduced -76 -76
84 STATE OF WISCONSIN INVESTMENT BOARD 0.00% of their portfolio MADISON, WI 12,93912.9k $743.0k $743.0k 0.00% Added +3.5k +3,459
85 Legal & General Group Plc 0.00% of their portfolio London, X0 12,75212.8k $732.2k $732.2k 0.00% Reduced -1.8k -1,781
86 VANGUARD ASSET MANAGEMENT, Ltd 0.00% of their portfolio London, EC4N 8AF, X0 12,72412.7k $730.6k $730.6k 0.00% Added +3.5k +3,534
87 Allianz Asset Management GmbH 0.00% of their portfolio MUNICH, 2M 12,33212.3k $622.8k $622.8k 0.00% Unchanged
88 BLAIR WILLIAM & CO/IL 0.00% of their portfolio CHICAGO, IL 12,27612.3k $704.9k $704.9k 0.00% Added +87 +87
89 CANADA PENSION PLAN INVESTMENT BOARD 0.00% of their portfolio TORONTO ONTARIO, A6 11,90011.9k $683.3k $683.3k 0.00% Unchanged
90 Inspire Investing, LLC 0.03% of their portfolio MERIDIAN, ID 11,86711.9k $681.4k $681.4k 0.03% Added +1.7k +1,707
91 Daytona Street Capital LLC 0.49% of their portfolio SAINT LOUIS, MO 11,85611.9k $673.8k $673.8k 0.49% Reduced -404 -404
92 JACOBS LEVY EQUITY MANAGEMENT, INC 0.00% of their portfolio FLORHAM PARK, NJ 11,72211.7k $673.1k $673.1k 0.00% Reduced -399 -399
93 Point72 Asset Management, L.P. 0.00% of their portfolio STAMFORD, CT 11,63411.6k $668.0k $668.0k 0.00% New
94 Shakespeare Wealth Management, LLC 0.18% of their portfolio Pewaukee, WI 11,57411.6k $664.6k $664.6k 0.18% Unchanged
95 Thrivent Financial for Lutherans 0.00% of their portfolio Minneapolis, MN 11,41911.4k $655.0k $655.0k 0.00% Unchanged
96 Strategies Wealth Advisors, LLC 0.06% of their portfolio GRAND RAPIDS, MI 11,13611.1k $639.4k $639.4k 0.06% Added +36 +36
97 JONES FINANCIAL COMPANIES LLLP 0.00% of their portfolio DES PERES, MO 10,97111.0k $626.3k $626.3k 0.00% Reduced -341 -341
98 Bluebird Wealth Management LLC 0.53% of their portfolio MEDFIELD, MA 10,61210.6k $609.3k $609.3k 0.53% New
99 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 10,61110.6k $609.0k $609.0k 0.00% Reduced -953 -953
100 Janney Montgomery Scott LLC 0.00% of their portfolio PHILADELPHIA, PA 10,15210.2k $583.0k $583.0k 0.00% Added +119 +119