Mercantile Bank Corporation
DE ˙ DB ˙ GB00BYNVD082
€ 43,40 ↓ -1.80 (-3.98%)
2026-06-04
PREÇO DA AÇÃO
SecurityDE:MCS / Mercantile Bank Corporation
InstitutionSei Investments Co
Latest Disclosed Ownership8,207 shares
Latest Disclosed Value $ 394,757
Sei Investments Co ownership in MCS / Mercantile Bank Corporation

On February 13, 2026 - Sei Investments Co filed a 13F-HR form disclosing ownership of 8,207 shares of Mercantile Bank Corporation (DE:MCS) valued at $333,204 USD as of December 31, 2025. The entity filed a previous 13F-HR on November 13, 2025 disclosing 8,207 shares of Mercantile Bank Corporation. This represents a change in shares of 0.00% during the quarter. The current value of the position is $356,184 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-02-13 2025-12-31 13F MERCANTILE BK COM 587376104 8,207 0 0.00 395 6.78 0.0004
2025-11-13 2025-09-30 13F MERCANTILE BK COM 587376104 8,207 2,100 34.39 369 30.39 0.0004
2025-08-14 2025-06-30 13F MERCANTILE BK COM 587376104 6,107 0 0.00 283 6.79 0.0003
2025-05-14 2025-03-31 13F/A-1 MERCANTILE BK COM 587376104 6,107 1,600 35.50 265 32.50 0.0003
2025-05-13 2025-03-31 13F MERCANTILE BK COM 587376104 4,507 0 201 0.0002
2025-02-11 2024-12-31 13F MERCANTILE BK COM 587376104 4,507 4,507 201 0.0003
2024-05-07 2024-03-31 13F MERCANTILE BK COM 587376104 0 -5,902 -100.00 0 -100.00
2024-02-14 2023-12-31 13F MERCANTILE BK COM 587376104 5,902 5,902 238 0.0004
2022-05-13 2022-03-31 13F MERCANTILE BK COM 587376104 0 -7,800 -100.00 0 -100.00
2022-02-14 2021-12-31 13F MERCANTILE BK COM 587376104 7,800 -1,600 -17.02 273 -9.30 0.0005
2021-11-12 2021-09-30 13F MERCANTILE BK COM 587376104 9,400 0 0.00 301 5.99 0.0006
2021-08-06 2021-06-30 13F MERCANTILE BK COM 587376104 9,400 0 0.00 284 -6.89 0.0006
2021-05-12 2021-03-31 13F MERCANTILE BANK COM 587376104 9,400 0 0.00 305 19.61 0.0008
2021-02-08 2020-12-31 13F MERCANTILE BANK COM 587376104 9,400 9,400 255 0.0007
2018-05-11 2018-03-31 13F MERCANTILE BANK COM 587376104 0 -122 -100.00 0 -100.00
2018-02-08 2017-12-31 13F MERCANTILE BANK COM 587376104 122 20 19.61 4 0.00 0.0000
2017-11-06 2017-09-30 13F MERCANTILE BANK COM 587376104 102 102 4 0.0000
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.