Among active 13F managers last quarter, 1 added and none reduced or exited; the largest holder to move was Family Office Research LLC (+0.5%).
4 tracked 13F filers disclose a position in MUNX as of the latest SEC 13F filings, a combined $2.9M 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 | Shares | Position value | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Cerity Partners LLC | 40K | $991K | —Held | Q1 2026 | |
| 2 | Family Office Research LLC | 29K | $727K | ▲+0.5% Added · +150 sh | Q2 2026 | |
| 3 | Jane Street Group, LLC | 28K | $692K | ▲+36% Added · +7K sh | Q1 2026 | |
| 4 | Royal Bank Of Canada | 20K | $496K | ▲67× Added · +20K sh | Q1 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, 1 fund added to an existing position in MUNX, while none reduced or exited. 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 | Their position there |
|---|---|---|
| Marriott International -CL AMAR | 1 funds | $56.3M |
| Vanguard S&P 500 ETFVOO | 1 funds | $27.4M |
| Ishares US Smallcap Equity FSMLF | 1 funds | $18.3M |
| Invesco QQQ Trust Series 1QQQ | 1 funds | $15.3M |
| Avantis U.S. Equity ETFAVUS | 1 funds | $14.3M |
| Dimensional US Core Equity 2DFAC | 1 funds | $14.2M |
| Vaneck Morningstar Wide MoatMOAT | 1 funds | $13.9M |
| F/M US Treasury 3 Month BillTBIL | 1 funds | $13.9M |
| Delta Air Lines IncDAL | 1 funds | $10.2M |
| Dimensional International CoDFIC | 1 funds | $5.8M |
| Dimensional Emrg MRKT CoreDFEM | 1 funds | $4.5M |
| Avantis International EquityAVDE | 1 funds | $4.5M |
Ranked by how many of MUNX's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in MUNX.
No filings captured for this ticker in the live stream yet.
Connected entities for MUNX
This ETF 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/MUNX/capital-change-brief"
Use Arkolith's capital_change_brief for MUNX. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + quarter-over-quarter ownership changes + end-of-day price history + the live filing stream, joined for MUNX. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.