Security key
56064Y100
MainStreet Bancshares, Inc. - Common Stock (MNSB)
CUSIP: 56064Y100
Q4 2019 13F Holders as of 31 Dec 2019
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 4,192,976
- Total 13F value
- $96,438,985
- Share change
- +156,027
- SEC-reported price per share
- $23.00
- Number of holders
- 48
- Value change
- +$4,009,637
- Number of buys
- 23
- Number of sells
- 8
- Shares outstanding
- 7,081,339
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2019
Institutions
48
Top holders
10
MNSB full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2025
MainStreet Bancshares, Inc. SEC filings
MainStreet Bancshares, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 56064Y100
Recent filing periods:
Ownership snapshot
Top reported holders of MNSB - MainStreet Bancshares, Inc. - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
BANC FUNDS CO LLC
Disclosed value leader
BANC FUNDS CO LLC
Comparable rows
15/15
Latest evidence
30 Sep 2019
13F
Lead comparable stake: 8.3%
Showing 1-6 of 15 holder rows.
Quick read
BANC FUNDS CO LLC leads the comparable SEC ownership view at 8.3%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens BANC FUNDS CO LLC's linked filing trail.
Comparable ownership
Top 5
BANC FUNDS CO LLC
8.3%
WELLINGTON MANAGEMENT GROUP LLP
8.3%
Curi Capital, LLC
6.2%
EJF Capital LP
5.7%
BlackRock Finance, Inc.
5.3%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BANC FUNDS CO LLC |
13F
Company
|
8.3%
|
$12,376,000
587,941 shares
|
— | 30 Sep 2019 |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
Company
|
8.3%
|
$12,369,000
587,619 shares
|
— | 30 Sep 2019 |
| Curi Capital, LLC |
13F
Company
|
6.2%
|
$9,229,000
438,448 shares
|
— | 30 Sep 2019 |
| EJF Capital LP |
13F
Company
|
5.7%
|
$8,468,000
402,288 shares
|
— | 30 Sep 2019 |
| BlackRock Finance, Inc. |
13F
Company
|
5.3%
|
$7,915,000
376,001 shares
|
— | 30 Sep 2019 |
| JCSD Capital, LLC |
13F
Company
|
3.9%
|
$5,743,000
272,845 shares
|
— | 30 Sep 2019 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q4 2019
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
48
Shares
4,192,976
Rows available
48
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q4 2019 vs Q1 2026 Across Filers
Q1 2026 holders
84
Q4 2019 holders
48
Holder diff
-36
| Investor | Q1 2026 Shares | Q4 2019 Shares | Share Diff | Share Chg % | Q1 2026 value | Q4 2019 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend