JMSB Institutional Ownership
Who owns John Marshall Bancorp, Inc. and what the big funds did with it last quarter, from every SEC 13F filing. 96 funds reported holding JMSB at Jun 30, 2026, together owning 49.6% of the company.
- ▲61 buying vs 18 selling
- ▲Held by funds +0.6 pts
- ▲Funds holding +16
- ▲Superinvestors: 3 added, 0 cut
- ●Put/call not meaningful
What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.
Funds holding and ownership
8 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Q1 2026 | Change |
|---|---|---|---|
| Funds holding | 96 | 80 | +20.0% |
| In funds' top 10 | 0 | 0 | – |
| 13F shares | 7M | 6.9M | +1.3% |
| Held by funds | 49.6% | 49.0% | +0.6 pts |
| New positions | 23 | 7 | +228.6% |
| Increased | 38 | 29 | +31.0% |
| Reduced | 13 | 22 | −40.9% |
| Sold out | 5 | 4 | +25.0% |
| Calls (shares) | 0 | 0 | – |
| Puts (shares) | 0 | 0 | – |
| Put/call ratio | – | – | – |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in JMSB
All superinvestors →
Who owns JMSB
share of fund held shares- Index and passive funds34.1%
- Active managers and hedge funds60.1%
- Banks and brokers5.7%
- Pensions, insurers and other0.1%
The top 10 holders own 73.2% of all JMSB shares that funds reported. Groups are our own grouping of filers by name.
Filed so far for Q3 2026
18 funds changed their position- Toth Financial Advisory CorpAdded+24K sh
- Mackenzie Financial CorpAdded+7,637 sh
- Citadel Investment Advisory, Inc.Trimmed−950 sh
- Strs OhioAdded+600 sh
- Nisa Investment Advisors, LLCTrimmed−318 sh
🔒 Free account: see all 18.
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | T. Rowe Price Investment Management, Inc. | 13.93% | 2M | $42.8M | 0 |
| 2 | BlackRock, Inc. | 6.98% | 984K | $21.5M | +109K |
| 3 | Vanguard Capital Management LLC | 3.79% | 535K | $11.7M | −2,806 |
| 4 | Evermay Wealth Management LLC | 2.49% | 351K | $7.7M | +1,180 |
| 5 | Toth Financial Advisory Corp | 2.38% | 336K | $7.3M | −32K |
| 6 | Geode Capital Management, LLC | 2.24% | 316K | $6.9M | +21K |
| 7 | State Street Corp | 1.55% | 219K | $4.8M | +1,124 |
| 8 | Bank of America Corp /de/ | 1.26% | 178K | $3.9M | −29K |
| 9 | MAI Capital Management | 0.94% | 133K | $2.9M | −65K |
| 10 | Brown Advisory Inc | 0.77% | 108K | $2.4M | 0 |
- BlackRock, Inc.+109K sh+$2.4M
- Mackenzie Financial Corp+88K sh+$1.9M
- Renaissance Technologies LLC+72K sh+$1.6M
- Acadian Asset Management LLC+69K sh+$1.5M
- Marshall Wace, LLP+67K sh+$1.5M
- Selective Wealth Management, Inc.+41K sh+$912K
- Arrowstreet Capital, Limited Partnership+31K sh+$669K
- Millennium Management LLC+28K sh+$601K
- FJ Capital Management LLC−412K sh−$8.4M
- Rhino Investment Partners, Inc−119K sh−$2.4M
- Fourthstone LLC−108K sh−$2.2M
- MAI Capital Management−65K sh−$1.4M
- Toth Financial Advisory Corp−32K sh−$706K
- Bank of America Corp /de/−29K sh−$623K
- Jane Street Group, LLC−11K sh−$223K
- Advisory Services Network, LLC−3,169 sh−$69K
JMSB institutional ownership FAQ
Who owns the most JMSB stock?
In Q2 2026 13F filings the largest holder of JMSB was T. Rowe Price Investment Management, Inc., followed by BlackRock, Inc. and Vanguard Capital Management LLC. Index fund managers are usually the biggest holders of large companies.
What percentage of JMSB is owned by institutions?
Funds that file 13F reports held 49.6% of JMSB's shares at Jun 30, 2026, compared with 49.0% a quarter earlier. That counts every manager with more than $100 million in US stocks.
Are hedge funds buying JMSB?
In Q2 2026, 61 funds bought JMSB (23 of them new positions) and 18 sold (5 sold out completely). Among well known investors, 3 added and 0 cut. Our fund sentiment for JMSB is strongly bullish.
What is JMSB's institutional put/call ratio?
Too few option positions were reported for a meaningful ratio.
How current is this JMSB ownership data?
13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.