MYMH additions & removals
Changes are observation-bounded: an addition is the first retained official snapshot containing a security after an earlier absence; a removal is its first retained absence. Baseline holdings receive no invented addition date.
Additions
| Ticker | Issuer | Observed date | Change |
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| State of Illinois | State of Illinois | 2026-02-28 | Added / first present |
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| District of Columbia | District of Columbia | 2026-02-28 | Added / first present |
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| Regional Transportation District Sales Tax Revenue | Regional Transportation District Sales Tax Revenue | 2026-02-28 | Added / first present |
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| Albany Industrial Development Agency | Albany Industrial Development Agency | 2026-02-28 | Added / first present |
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| School District of Philadelphia/The | School District of Philadelphia/The | 2026-02-28 | Added / first present |
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| State of Maryland | State of Maryland | 2026-02-28 | Added / first present |
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| Ohio Water Development Authority Water Pollution Control Loan Fund | Ohio Water Development Authority Water Pollution Control Loan Fund | 2026-02-28 | Added / first present |
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| Rhode Island Health and Educational Building Corp | Rhode Island Health and Educational Building Corp | 2026-02-28 | Added / first present |
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| City of New York NY | City of New York NY | 2026-02-28 | Added / first present |
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| State of Illinois | State of Illinois | 2026-02-28 | Added / first present |
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| State of Florida | State of Florida | 2026-02-28 | Added / first present |
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| Albuquerque Municipal School District No 12 | Albuquerque Municipal School District No 12 | 2026-02-28 | Added / first present |
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| Hancock Public Schools | Hancock Public Schools | 2026-02-28 | Added / first present |
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| Pittsburgh Water & Sewer Authority | Pittsburgh Water & Sewer Authority | 2026-02-28 | Added / first present |
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| Oklahoma County Independent School District No 12 Edmond | Oklahoma County Independent School District No 12 Edmond | 2026-02-28 | Added / first present |
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| Clark County School District | Clark County School District | 2026-02-28 | Added / first present |
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| Kentucky State Property & Building Commission | Kentucky State Property & Building Commission | 2025-11-30 | Added / first present |
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| State of Nevada Highway Improvement Revenue | State of Nevada Highway Improvement Revenue | 2025-11-30 | Added / first present |
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| Omaha Public Power District | Omaha Public Power District | 2025-11-30 | Added / first present |
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| West Virginia Commissioner of Highways | West Virginia Commissioner of Highways | 2025-11-30 | Added / first present |
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| Empire State Development Corp | Empire State Development Corp | 2025-11-30 | Added / first present |
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| King County School District No 401 Highline | King County School District No 401 Highline | 2025-11-30 | Added / first present |
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| Larimer County School District No R-1 Poudre | Larimer County School District No R-1 Poudre | 2025-11-30 | Added / first present |
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| Central Utah Water Conservancy District | Central Utah Water Conservancy District | 2025-11-30 | Added / first present |
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| City of Seattle WA Water System Revenue | City of Seattle WA Water System Revenue | 2025-11-30 | Added / first present |
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| City of Oklahoma City OK | City of Oklahoma City OK | 2025-11-30 | Added / first present |
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| South Dakota Conservancy District | South Dakota Conservancy District | 2025-11-30 | Added / first present |
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| Iowa Finance Authority | Iowa Finance Authority | 2025-11-30 | Added / first present |
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Removals
| Ticker | Issuer | Observed date | Change |
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| Omaha Public Power District | Omaha Public Power District | 2026-02-28 | Removed / first absent |
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| City of Tallahassee FL Utility System Revenue | City of Tallahassee FL Utility System Revenue | 2025-11-30 | Removed / first absent |
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