Simplex Trading
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Simplex Trading’s Mercantile Bank Corp MBWM Stock Holding History

Simplex Trading’s Portfolio MBWM Stock Details MBWM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$5.74K Buy
+100
New +$5.27K ﹤0.01% 8087
2026
Q1 		– Sell
-400
Closed -$19.2K – 9706
2025
Q4 		$19.2K Buy
400
+200
+100% +$9.22K ﹤0.01% 6505
2025
Q3 		$9K Buy
+200
New +$9.5K ﹤0.01% 7968
2024
Q1 		– Sell
-500
Closed -$20K – 9430
2023
Q4 		$20K Buy
+500
New +$17.5K ﹤0.01% 6936
2021
Q4 		– Sell
-1,100
Closed -$33K – 11004
2021
Q3 		$33K Hold
1,100
– – ﹤0.01% 8002
2021
Q2 		$33K Buy
1,100
+1,089
+9,900% +$34.7K ﹤0.01% 8139
2021
Q1 		$35K Buy
+11
New +$331 ﹤0.01% 6994

Other funds holding MBWM

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
NSAM
North Star Asset Management Neenah, Wisconsin $2.54B AUM 17.62% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Simplex Trading's MBWM Position: Q2 2026 in Review

Simplex Trading opened a new position in Mercantile Bank Corp (MBWM) in Q2 2026: 8 shares worth $459. The stake represents ﹤0.01% of the portfolio and ranks #8965 among its holdings. This is a return to the name: Simplex Trading previously reported a position in MBWM as recently as Q4 2025.

Simplex Trading first reported a position in MBWM in Q4 2020 and has held it in 6 quarters since. The position peaked at $21K in Q4 2020. 207 funds tracked by Wall St. Rank hold MBWM as of Q2 2026.

  • Simplex Trading held 8 shares of Mercantile Bank Corp worth $459 as of Q2 2026.
  • Mercantile Bank Corp was a new Simplex Trading position in Q2 2026.
  • Mercantile Bank Corp made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #8965 holding.
  • Simplex Trading first reported a position in Mercantile Bank Corp in Q4 2020 and has held it in 6 quarters since.
  • Simplex Trading's Mercantile Bank Corp position peaked at $21K in Q4 2020.
  • 207 funds tracked by Wall St. Rank held Mercantile Bank Corp as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.