SEI Investments
MNSB icon

SEI Investments’s MainStreet Bancshares MNSB Stock Holding History

SEI Investments’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 		$245K Buy
+9,915
New +$233K ﹤0.01% 2954

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

SEI Investments's MNSB Position: Q2 2026 in Review

SEI Investments opened a new position in MainStreet Bancshares (MNSB) in Q2 2026: 9,915 shares worth $245K. The stake represents ﹤0.01% of the portfolio and ranks #2954 among its holdings.

97 funds tracked by Wall St. Rank hold MNSB as of Q2 2026.

  • SEI Investments held 9,915 shares of MainStreet Bancshares worth $245K as of Q2 2026.
  • MainStreet Bancshares was a new SEI Investments position in Q2 2026.
  • MainStreet Bancshares made up ﹤0.01% of SEI Investments's portfolio in Q2 2026, its #2954 holding.
  • 97 funds tracked by Wall St. Rank held MainStreet Bancshares as of Q2 2026.

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