86 tracked 13F filers disclose a position in MNSB as of the latest SEC 13F filings, a combined $72.3M in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | ALLIANCEBERNSTEIN L.P. | $11.3M | 555K | ▼−19% Reduced · −130K sh | Q1 2026 | |
| 2 | Fourthstone LLC | $8.5M | 385K | ▼−50% Reduced · −383K sh | Q1 2026 | |
| 3 | BlackRock, Inc. | $7.7M | 348K | ▼−0.8% Reduced · −3K sh | Q1 2026 | |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | $6.7M | 301K | →First observed position No prior filed position | Q1 2026 | |
| 5 | FIRST MANHATTAN CO. LLC. | $4.2M | 188K | —Held | Q1 2026 | |
| 6 | DIMENSIONAL FUND ADVISORS LP | $3.7M | 167K | ▲+20% Added · +28K sh | Q1 2026 | |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | $3.8M | 152K | ▲+3.4% Added · +5K sh | Q2 2026 | |
| 8 | UBS Group AG | $2.5M | 113K | ▼−0.4% Reduced · −498 sh | Q1 2026 | |
| 9 | STATE STREET CORP | $2.7M | 109K | ▲+9.2% Added · +9K sh | Q2 2026 | |
| 10 | MARSHALL WACE, LLP | $2.4M | 106K | ▲+140% Added · +62K sh | Q1 2026 | |
| 11 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $1.4M | 64K | ▲+5.0% Added · +3K sh | Q1 2026 | |
| 12 | Cresset Asset Management, LLC | $1.5M | 59K | ▼−18% Reduced · −13K sh | Q2 2026 | |
| 13 | AMERICAN CENTURY COMPANIES INC | $1.2M | 53K | ▲New +53K sh | Q1 2026 | |
| 14 | Squarepoint Ops LLC | $1.1M | 51K | ▲+48% Added · +16K sh | Q1 2026 | |
| 15 | MENDON CAPITAL ADVISORS CORP | $1.1M | 47K | —Held | Q1 2026 | |
| 16 | NORTHERN TRUST CORP | $1.0M | 47K | ▼−3.2% Reduced · −2K sh | Q1 2026 | |
| 17 | VANGUARD PORTFOLIO MANAGEMENT LLC | $880K | 40K | →First observed position No prior filed position | Q1 2026 | |
| 18 | VANGUARD FIDUCIARY TRUST CO | $865K | 39K | →First observed position No prior filed position | Q1 2026 | |
| 19 | Empowered Funds, LLC | $764K | 34K | ▲+9.7% Added · +3K sh | Q1 2026 | |
| 20 | Connor, Clark & Lunn Investment Management Ltd. | $750K | 30K | ▼−8.1% Reduced · −3K sh | Q2 2026 | |
| 21 | MORGAN STANLEY | $541K | 24K | ▼−7.9% Reduced · −2K sh | Q1 2026 | |
| 22 | CITADEL ADVISORS LLC | $522K | 24K | ▼−40% Reduced · −16K sh | Q1 2026 | |
| 23 | Creative Planning | $494K | 22K | ▲+0.8% Added · +170 sh | Q1 2026 | |
| 24 | R Squared Ltd | $514K | 21K | ▲New +21K sh | Q2 2026 | |
| 25 | Daytona Street Capital LLC | $433K | 18K | —Held | Q2 2026 |
Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
Last quarter, 9 funds opened a new position in MNSB and 13 added to an existing one, while 8 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 35 funds | $81.2B |
| ALPHABET INC-CL CGOOG | 35 funds | $42.3B |
| ELI LILLY & COLLY | 34 funds | $21.4B |
| TESLA INCTSLA | 34 funds | $20.7B |
| JPMORGAN CHASE & COJPM | 34 funds | $15.5B |
| WALMART INCWMT | 34 funds | $9.7B |
| BANK OF AMERICA CORPBAC | 34 funds | $7.2B |
| MCDONALD'S CORPMCD | 34 funds | $6.1B |
| NVIDIA CORPNVDA | 33 funds | $113.7B |
| APPLE INCAAPL | 33 funds | $84.6B |
| AMAZON.COM INCAMZN | 33 funds | $61.2B |
| ALPHABET INC-CL AGOOGL | 33 funds | $43.5B |
Ranked by how many of MNSB's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jun 4, 2026 | Vari Richard Alexander | Chief Financial Officer | Sell (S) | 5K | $104K |
| Dec 9, 2025 | CHMELIK THOMAS J | CFO, MainStreet Bancshares Inc, Director | Sell (S) | 5K | $109K |
| Dec 9, 2025 | CHMELIK THOMAS J | CFO, MainStreet Bancshares Inc, Director | Sell (S) | 2K | $36K |
| Dec 8, 2025 | CHMELIK THOMAS J | CFO, MainStreet Bancshares Inc, Director | Sell (S) | 11K | $224K |
| Dec 8, 2025 | CHMELIK THOMAS J | CFO, MainStreet Bancshares Inc, Director | Sell (S) | 12K | $246K |
| Dec 3, 2025 | CHMELIK THOMAS J | CFO, MainStreet Bancshares Inc, Director | Sell (S) | 1K | $20K |
| Dec 3, 2025 | CHMELIK THOMAS J | CFO, MainStreet Bancshares Inc, Director | Sell (S) | 9K | $173K |
| Nov 24, 2025 | DICK JEFF W | Chairman, President and CEO, Director | Buy (P) | 106 | $2K |
| Nov 24, 2025 | Brockett Charles C. | Director | Buy (P) | 400 | $8K |
| Nov 24, 2025 | Brockett Charles C. | Director | Buy (P) | 200 | $4K |
| Nov 24, 2025 | Brockett Charles C. | Director | Buy (P) | 123 | $2K |
| Nov 24, 2025 | Brockett Charles C. | Director | Buy (P) | 19 | $360 |
Connected entities for MNSB
This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/MNSB/capital-change-brief"
Use Arkolith's capital_change_brief for MNSB. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for MNSB. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.