Mercantile Bank Corporation
Mercantile Bank Corporation (MBWM) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · MBWM · as of Sep 30, 2025
Ownership Breakdown
200
Institutional Holders
▲ 4 vs Q2
$477.74M
Total Inst. Value
▼ $6.22M vs Q2
17.27M
Shares Outstanding
freeFloat 96.14%
10.62M
13F Shares Held
▲ 188,788 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
MBWM largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. state commercial banks | 1.43M | 8.83% | 8.83% | $64.44B | Nov 12, 2025 | ▼ 75.4K |
DIMENSIONAL FUND ADVISORS LP state commercial banks | 1.05M | 6.46% | 6.46% | $47.18B | Nov 12, 2025 | ▼ 14.4K |
VANGUARD GROUP INC state commercial banks | 1.04M | 6.41% | 6.41% | $46.75B | Nov 7, 2025 | ▼ 394 |
AMERICAN CENTURY COMPANIES INC state commercial banks | 494.4K | 3.05% | 3.05% | $22.25B | Nov 12, 2025 | ▲ 41.5K |
RENAISSANCE TECHNOLOGIES LLC state commercial banks | 490.4K | 3.02% | 3.02% | $22.07B | Nov 13, 2025 | ▲ 5.1K |
STATE STREET CORP state commercial banks | 470.7K | 2.90% | 2.90% | $21.18B | Nov 14, 2025 | ▲ 41.1K |
GEODE CAPITAL MANAGEMENT, LLC state commercial banks | 412.2K | 2.54% | 2.54% | $18.55B | Nov 12, 2025 | ▲ 6.3K |
NORTH STAR ASSET MANAGEMENT INC state commercial banks | 355.3K | 2.19% | 2.19% | $15.99B | Nov 10, 2025 | ▼ 1.2K |
LSV ASSET MANAGEMENT state commercial banks | 300.3K | 1.85% | 1.85% | $13.51B | Nov 6, 2025 | ▼ 17.9K |
TRIBUTARY CAPITAL MANAGEMENT, LLC state commercial banks | 248.7K | 1.53% | 1.53% | $11.19B | Jan 27, 2026 | ▼ 9.5K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
24
Increased
+520.9K shares0
New Positions
first time holders22
Decreased
−333.2K shares0
Sold Out
fully exitedNet shares change (top 50)
+187.7K
+520.9K / −333.2K
Net new holders
+2
0 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
MBWM insider trading · insider activity
Source: SEC Form 4
15
Buy transactions
2
Sell transactions
7.50
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Schweihofer Steven director | May 22, 2026 | Award | 715 | — | — | 6.3K | Form 4 ↗ |
Davenport Michael S. director | May 22, 2026 | Award | 753 | — | — | 9.6K | Form 4 ↗ |
Eldridge Michelle Larabee director | May 22, 2026 | Award | 830 | — | — | 12.7K | Form 4 ↗ |
Schmidt Sara A director | May 22, 2026 | Award | 715 | — | — | 1.7K | Form 4 ↗ |
PRICE MICHAEL H director | May 22, 2026 | Award | 1,096 | — | — | 13.0K | Form 4 ↗ |
Jones Joseph D director | May 22, 2026 | Award | 715 | — | — | 6.5K | Form 4 ↗ |
Sanchez Nelson F director | May 22, 2026 | Award | 715 | — | — | 3.9K | Form 4 ↗ |
RAMAKER DAVID B director | May 22, 2026 | Award | 801 | — | — | 15.8K | Form 4 ↗ |
MacDonald Richard D director | May 22, 2026 | Award | 715 | — | — | 3.3K | Form 4 ↗ |
Williams Shoran R director | May 22, 2026 | Award | 715 | — | — | 6.0K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Mercantile Bank Corporation (MBWM) is primarily owned by institutional investors, who hold approximately 61.5% of total shares outstanding. Company insiders own approximately 3.86%, while retail and public investors account for the remaining 34.68%.
The largest institutional shareholder of Mercantile Bank Corporation is BLACKROCK, INC., holding approximately 1.43 million shares — equal to 8.83% of outstanding shares — as of September 30, 2025.
A total of 200 institutional investors currently hold MBWM stock, with a combined institutional value of approximately $477,737,247 as of the most recent 13F filing period.
Frequently asked questions
MBWM ownershipMercantile Bank Corporation (MBWM) is primarily owned by institutional investors, who hold approximately 61.5% of shares. The largest shareholder is BLACKROCK, INC. with a 8.83% stake. Company insiders hold 3.86%. Data sourced from SEC Form 13F as of September 30, 2025.