Marshall Wace
MNSB icon

Marshall Wace’s MainStreet Bancshares MNSB Stock Holding History

Marshall Wace’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 		$2.97M Buy
120,194
+13,969
+13% +$329K ﹤0.01% 1635
2026
Q1 		$2.36M Buy
106,225
+61,938
+140% +$1.34M ﹤0.01% 1691
2025
Q4 		$902K Buy
44,287
+31,833
+256% +$622K ﹤0.01% 1990
2025
Q3 		$259K Buy
+12,454
New +$262K ﹤0.01% 2483

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
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Marshall Wace's MNSB Position: Q2 2026 in Review

Marshall Wace increased its MainStreet Bancshares (MNSB) stake by 13% in Q2 2026, buying an estimated $329K and bringing the position to 120,194 shares worth $2.97M. The position accounts for ﹤0.01% of the portfolio, ranked #1635.

Marshall Wace first reported a position in MNSB in Q3 2025 and has held it in 4 quarters since. 97 funds tracked by Wall St. Rank hold MNSB as of Q2 2026.

  • Marshall Wace held 120,194 shares of MainStreet Bancshares worth $2.97M as of Q2 2026.
  • Marshall Wace bought 13,969 MainStreet Bancshares shares in Q2 2026, an estimated $329K.
  • MainStreet Bancshares made up ﹤0.01% of Marshall Wace's portfolio in Q2 2026, its #1635 holding.
  • Marshall Wace first reported a position in MainStreet Bancshares in Q3 2025 and has held it in 4 quarters since.
  • 97 funds tracked by Wall St. Rank held MainStreet Bancshares as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.