MUNX · AMG GW&K Muni Income ETF
$24.68
-0.06 (-0.24%)
At close · Aug 20
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 3
Total Value: $1,610,029
Total Shares: 63,885
Institutional Ownership Trend
3 quarters
Holder Concentration
Across 3 13F filers · Δ vs Mar 31, 2026Top Holder
62.6%
+28.3 pts
Top 5
100.0%
0.0 pts
Top 10
100.0%
0.0 pts
HHI
4,664
Highly concentrated+2,015
Quarterly Activity
vs Mar 31, 2026
New
0
Increased
0
Decreased
2
Sold Out
1
Unchanged
1
Holder count:
-1
Institutional value:
-44.3%
Shares held:
-45.2%
Top Buyers
vs Mar 31, 2026No qualifying movers this quarter.
Top Sellers
vs Mar 31, 2026| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Mega JANE STREET GROUP, LLC | −19,022 | 8,914 | |
| Mega ROYAL BANK OF CANADA | −5,044 | 14,971 |
Top New Positions
vs Mar 31, 2026No new positions this quarter.
Top Sold-Out Positions
vs Mar 31, 2026| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Small Family Office Research LLC | 28,705 | $711,252 |
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Large Cerity Partners LLC | $1,008,080 | 62.61% | 40,000 | Shares | 2026-08-14 | |
| Mega ROYAL BANK OF CANADA Bank | $377,299 | 23.43% | 14,971 | Shares | 2026-08-14 | |
| Mega JANE STREET GROUP, LLC | $224,650 | 13.95% | 8,914 | Shares | 2026-08-14 |
Key facts
CIK
879947
CUSIP
03116L108
13F (30d)
3 filings
3 filers