Stock Ownership/MNSB

MAINSTREET BANCS (MNSB): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in MNSB · Financials. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
9
13F filers
Aggregate Value
$7.3M
Across holders
Last Price
$25.12
2026-08-24
Sector
Financials
GICS
Quarterly fund activity6 increased2 reduced0 exited
Institutional Holders of MNSB
↗
9 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund120K$3.0M40.9%0.0%Added$-2.3MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund58K$1.4M19.9%0.0%Added+$698KQ2 2026
Squarepoint Ops LLC
CIK 0001642575
Hedge Fund37K$919K12.7%0.0%Reduced$-337KQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund29K$726K10.0%0.0%Added—Q2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund17K$412K5.7%0.0%Added—Q2 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund11K$272K3.7%0.0%Reduced$-84KQ2 2026
Point72 Asset Management, L.P.
CIK 0001603466
Hedge Fund10K$259K3.6%0.0%Added—Q2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
Hedge Fund10K$240K3.3%0.0%Unchanged+$0Q2 2026
Rockefeller Capital Management L.P.
CIK 0001739439
Hedge Fund558$14K0.2%0.0%Added+$49Q2 2026
MARSHALL WACE, LLPAdded
Hedge Fund
$3.0M· 40.9% of total· 0.0% port· 120K sh· $-2.3M QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$1.4M· 19.9% of total· 0.0% port· 58K sh· +$698K QoQ· Q2 2026
Squarepoint Ops LLCReduced
Hedge Fund
$919K· 12.7% of total· 0.0% port· 37K sh· $-337K QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$726K· 10.0% of total· 0.0% port· 29K sh· — QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$412K· 5.7% of total· 0.0% port· 17K sh· — QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCReduced
Hedge Fund
$272K· 3.7% of total· 0.0% port· 11K sh· $-84K QoQ· Q2 2026
Point72 Asset Management, L.P.Added
Hedge Fund
$259K· 3.6% of total· 0.0% port· 10K sh· — QoQ· Q2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPUnchanged
Hedge Fund
$240K· 3.3% of total· 0.0% port· 10K sh· +$0 QoQ· Q2 2026
Rockefeller Capital Management L.P.Added
Hedge Fund
$14K· 0.2% of total· 0.0% port· 558 sh· +$49 QoQ· Q2 2026
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