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John Overdeck’s MainStreet Bancshares MNSB Stock Holding History

John Overdeck’s Portfolio MNSB Stock Details MNSB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$412K Buy
+16,699
New +$393K ﹤0.01% 4305
2025
Q4 		– Sell
-10,072
Closed -$210K – 4288
2025
Q3 		$210K Sell
10,072
-2,660
-21% -$56K ﹤0.01% 3362
2025
Q2 		$241K Sell
12,732
-2,732
-18% -$49.7K ﹤0.01% 2861
2025
Q1 		$259K Sell
15,464
-324
-2% -$5.44K ﹤0.01% 2769
2024
Q4 		$286K Sell
15,788
-5,982
-27% -$110K ﹤0.01% 2751
2024
Q3 		$402K Buy
21,770
+6,872
+46% +$119K ﹤0.01% 2561
2024
Q2 		$264K Buy
+14,898
New +$251K ﹤0.01% 2645

Other funds holding MNSB

BFC
Banc Funds Company Chicago, Illinois $605M AUM 26% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $302B AUM 26.44% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return
First Manhattan
First Manhattan New York $39.2B AUM 21.04% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return

John Overdeck's MNSB Position: Q2 2026 in Review

John Overdeck opened a new position in MainStreet Bancshares (MNSB) in Q2 2026: 16,699 shares worth $412K. The stake represents ﹤0.01% of the portfolio and ranks #4305 among its holdings. This is a return to the name: John Overdeck previously reported a position in MNSB as recently as Q3 2025.

John Overdeck first reported a position in MNSB in Q2 2024 and has held it in 7 quarters since. 96 funds tracked by Wall St. Rank hold MNSB as of Q2 2026.

  • John Overdeck held 16,699 shares of MainStreet Bancshares worth $412K as of Q2 2026.
  • MainStreet Bancshares was a new John Overdeck position in Q2 2026.
  • MainStreet Bancshares made up ﹤0.01% of John Overdeck's portfolio in Q2 2026, its #4305 holding.
  • John Overdeck first reported a position in MainStreet Bancshares in Q2 2024 and has held it in 7 quarters since.
  • 96 funds tracked by Wall St. Rank held MainStreet Bancshares as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.