Institutional Ownership
Mainstreet Bancshares Inc
CUSIP 56064Y100COMMNSBQ1 2026
Institutional Holders
79
13F filers
Shares Held
3.86M
Aggregate institutional
Institutional Value
$81.62M
Q1 2026
Net New Holders
+5
10 new · 5 closed
Institutional Ownership Trend
Aggregate 13F value by quarter
Multi-quarter trend — upgrade to see history
UpgradePosition Activity
Q1 2026
New positions10
Increased25
Decreased23
Sold out5
Institutional Holders
79 funds hold this security · Q1 2026
| # | Fund | Shares | Value | Δ Shares | Activity |
|---|---|---|---|---|---|
| 1 | Banc Funds Co LLC | 530.9K | $11.79M | +109.0K | Added |
| 2 | Alliancebernstein L.P. | 554.7K | $11.29M | −130.2K | Reduced |
| 3 | Fourthstone LLC | 384.8K | $8.54M | −383.0K | Reduced |
| 4 | Wellington Management Group LLP | 352.7K | $7.83M | −6.7K | Reduced |
| 5 | Blackrock, Inc. | 347.6K | $7.72M | −2.7K | Reduced |
| 6 | First Manhattan Co. LLC. | 188.1K | $4.18M | 0 | Held |
| 7 | Dimensional Fund Advisors LP | 166.6K | $3.70M | +28.3K | Added |
| 8 | Geode Capital Management, LLC | 147.2K | $3.27M | −2.8K | Reduced |
| 9 | Ubs Group AG | 113.2K | $2.51M | −498 | Reduced |
| 10 | Marshall Wace, LLP | 106.2K | $2.36M | +61.9K | Added |
69 more institutional holders on Premium
See every fund holding Mainstreet Bancshares Inc, with full quarter-over-quarter share changes.
Unlock all holders