AMG GW&K Municipal Bond Fund I (GWMIX)
11.08
-0.03
(-0.27%)
USD |
Sep 15 2026
Returns Chart
Key Stats
| Net Expense Ratio | Total Assets Under Management | Weighted Average Dividend Yield | Turnover Ratio (Generic) |
|---|---|---|---|
| 0.39% | 951.14M | -- | 61.00% |
| 1 Year Fund Level Flows | 1 Year Total Returns (Daily) | Annualized Total Returns Since Inception (Daily) | Max Drawdown (Since Inception) |
| 13.29M | -0.33% |
Basic Info
| Investment Strategy | |
| The Fund seeks current income exempt from federal income tax, consistent with preservation of capital. The Fund seeks to invest at least 80% of its net assets, plus the amount of any borrowings for investment purposes, in municipal bonds that are exempt from federal income tax. |
| General | |
| Security Type | Mutual Fund |
| Equity Style | -- |
| Broad Asset Class | Municipal Bond |
| Broad Category | Fixed Income |
| Global Peer Group | Bond USD Municipal |
| Peer Group | Intermediate Municipal Debt Funds |
| Global Macro | Bond HC |
| US Macro | National Municipal Debt Funds |
| YCharts Categorization | -- |
| YCharts Benchmark | -- |
| Prospectus Objective | Intermediate Municipal Debt Funds |
| Fund Owner Firm Name | AMG |
| Broad Asset Class Benchmark Index | |
| ^BBMBTR | 100.0% |
Net Fund Flows Versus Peer Group
1 Month
% Rank:
68
-69.61M
Peer Group Low
337.12M
Peer Group High
1 Year
% Rank:
55
13.29M
-713.62M
Peer Group Low
7.347B
Peer Group High
3 Months
% Rank:
71
-65.85M
Peer Group Low
1.446B
Peer Group High
3 Years
% Rank:
75
-1.561B
Peer Group Low
12.39B
Peer Group High
6 Months
% Rank:
48
-146.88M
Peer Group Low
2.618B
Peer Group High
5 Years
% Rank:
70
-2.445B
Peer Group Low
6.510B
Peer Group High
YTD
% Rank:
53
-613.19M
Peer Group Low
4.583B
Peer Group High
10 Years
% Rank:
59
-2.864B
Peer Group Low
27.98B
Peer Group High
Date Unavailable
Risk
Performance Versus Peer Group
Annual Total Returns Versus Peers
As of September 16, 2026.
Asset Allocation
As of July 31, 2026.
| Type | % Net |
|---|---|
| Cash | 3.21% |
| Stock | 0.00% |
| Bond | 97.73% |
| Convertible | 0.00% |
| Preferred | 0.00% |
| Other | -0.94% |
Top 10 Holdings
| Name | % Weight | Price | % Change |
|---|---|---|---|
|
Fixed Income Clearing Corp Repo
|
3.21% | -- | -- |
| SOUTHEAST ENERGY AUTH COOP DIST ALA ENERGY SUPPLY REV AL 5.000 10/01/2030 | 1.46% | 104.39 | 0.07% |
| LOUISIANA STAD & EXPOSITION DIST REV LA 5.000 07/01/2042 | 1.18% | 100.13 | -0.28% |
| AQUARION WTR AUTH CONN WTR SYS REV CT 5.250 02/01/2031 | 1.11% | 107.50 | -0.12% |
| ILLINOIS ST IL 5.000 05/01/2034 | 1.09% | 104.63 | -0.15% |
| NEW YORK TRANSN DEV CORP SPL FAC REV NY 5.000 12/01/2036 | 1.07% | 102.62 | -0.16% |
| CALIFORNIA CMNTY CHOICE FING AUTH CLEAN ENERGY PROJ REV CA 5.000 06/01/2036 | 1.07% | 104.67 | 0.56% |
| CHICAGO ILL O HARE INTL ARPT REV IL 5.000 01/01/2036 | 1.06% | 100.82 | -0.06% |
| FLORIDA ST BRD ADMIN FIN CORP REV FL 5.526 07/01/2034 | 1.05% | 100.58 | -0.20% |
| LOS ANGELES CALIF DEPT WTR & PWR REV CA 5.000 07/01/2030 | 1.03% | 104.94 | -0.09% |
Fees & Availability
| Fees | |
| Actual 12B-1 Fee | -- |
| Actual Management Fee | 0.14% |
| Administration Fee | 1.422M None |
| Maximum Front Load | -- |
| Maximum Deferred Load | -- |
| Maximum Redemption Fee | -- |
| General Availability | |
| Available for Insurance Product | No |
| Available for RRSP | No |
| Purchase Details | |
| Open to New Investors |
|
| Minimum Initial Investment | 100000.0 None |
| Minimum Subsequent Investment | 100.00 None |
TTM Distributions
| Type | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Qualified Income
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
|
Normal
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
|
Qualified
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
|
LT Cap Gains
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
|
Ordinary Income
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
|
Non-Qual
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
|
ST Cap Gains
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
|
Interest
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
|
Tax-Exempt
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
|
ROC
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
|
Other
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
|
Total
|
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
As of August 31, 2026.
Basic Info
| Investment Strategy | |
| The Fund seeks current income exempt from federal income tax, consistent with preservation of capital. The Fund seeks to invest at least 80% of its net assets, plus the amount of any borrowings for investment purposes, in municipal bonds that are exempt from federal income tax. |
| General | |
| Security Type | Mutual Fund |
| Equity Style | -- |
| Broad Asset Class | Municipal Bond |
| Broad Category | Fixed Income |
| Global Peer Group | Bond USD Municipal |
| Peer Group | Intermediate Municipal Debt Funds |
| Global Macro | Bond HC |
| US Macro | National Municipal Debt Funds |
| YCharts Categorization | -- |
| YCharts Benchmark | -- |
| Prospectus Objective | Intermediate Municipal Debt Funds |
| Fund Owner Firm Name | AMG |
| Broad Asset Class Benchmark Index | |
| ^BBMBTR | 100.0% |
Fundamentals
| General | |
| Distribution Yield | -- |
| Dividend Yield TTM (9-15-26) | 3.17% |
| 30-Day SEC Yield (8-31-26) | 3.37% |
| 7-Day SEC Yield | -- |
| Number of Holdings | 271 |
| Bond | |
| Yield to Maturity (7-31-26) | 3.90% |
| Effective Duration | 6.98 |
| Average Coupon | 4.88% |
| Calculated Average Quality | 2.620 |
| Effective Maturity | 10.86 |
| Nominal Maturity | 11.35 |
| Number of Bond Holdings | 269 |
As of July 31, 2026
Fund Details
| Key Dates | |
| Inception Date | 6/30/2009 |
| Last Annual Report Date | 12/31/2025 |
| Last Prospectus Date | 5/1/2026 |
| Share Classes | |
| GWMTX | N |
| Attributes | |
| Index Fund | -- |
| Inverse Fund | No |
| Leveraged Fund | -- |
| Fund of Funds | No |
| Currency Hedged Fund | -- |
| Socially Responsible Fund | No |
Top Portfolio Holders
| Name | % Weight |
|---|---|
| Portfolio A | 5.00% |
| Portfolio B | 3.50% |
| Portfolio C | 2.25% |
Excel Add-In Codes
| Name: =YCI("M:GWMIX", "name") |
| Broad Asset Class: =YCI("M:GWMIX", "broad_asset_class") |
| Broad Category: =YCI("M:GWMIX", "broad_category_group") |
| Prospectus Objective: =YCI("M:GWMIX", "prospectus_objective") |
| To find the codes for any of our securities and financial metrics, see our Complete Excel Reference. |