# Portfolio overlap — ATTYX vs AMHIX Comparing **AB Tax-Aware Fixed Income Opportunities Portfolio** (2026-01-31) and **American High-Income Municipal Bond Fund** (2026-01-31). - Shared positions: 212 - AB Tax-Aware Fixed Income Opportunities Portfolio covered by American High-Income Municipal Bond Fund: 0.08767050704325785241838313697 - American High-Income Municipal Bond Fund covered by AB Tax-Aware Fixed Income Opportunities Portfolio: 0.08767050704325785241838313696 ## AB Tax-Aware Fixed Income Opportunities Portfolio — top positions | Security | Weight | Shared | |----------|--------|--------| | AB Fixed Income Shares, Inc. - Government Money Market Portfolio | 0.029090 | | | SOUTHEAST ENRG 5% MT | 0.008579 | | | California Community Choice Financing Authority, Series B-1 | 0.008563 | | | COLUMBUS REGL ARPT-A | 0.008562 | | | MTRO WA DC ARPT 5.5% 10/1/54@ | 0.008469 | ✓ | | Washington Metropolitan Area Transit Authority, Series 2023A | 0.008439 | | | MASSACHUSETTS ST MAS 12/54 FIXED 5 | 0.008374 | | | NEW YORK ST TWY -C | 0.008189 | | | INDIANA ST FIN AUTH HLTH FAC REVENUE | 0.007736 | | | Hillsborough County Industrial Development Authority | 0.006923 | | | PORT SEATTLE 5% 10/1/2040@ | 0.006227 | | | BAY AREA TOLL-H | 0.006073 | | | District of Columbia Income Tax Revenue (TOBs) | 0.005526 | ✓ | | NY TRANSPRTN DEV CORP | 0.005410 | ✓ | | LOS ANGELES CA WSTWTR SYS REVENUE | 0.005297 | | | MET WASHINGTON DC ARPTS AUTH DULLES TOLL ROAD REVENUE | 0.005147 | | | COLORADO ST EDUC LOAN PROGRAM | 0.005034 | | | MIAMI-DADE CNTY FL AVIATION REVENUE | 0.005016 | | | State of Colorado, Series B | 0.004913 | ✓ | | PVT CLGS & UNIV AUTH- | 0.004699 | | | Grand Traverse County Hospital Finance Authority, Series 2019 C | 0.004696 | | | QUINCY MA | 0.004608 | | | WI PUBTRN 5.75 12/31/2065 | 0.004563 | ✓ | | MBTA SLS TAX 5.25% 7/1/2048 | 0.004472 | | | SOUTHEAST ENERGY-E | 0.004395 | | | District of Columbia (Green Bonds), Series 2022 A, RB | 0.004322 | | | LOS ANGELES-D-REF-REV | 0.004097 | ✓ | | MIAMI-DADE CNTY FL AVIATION REVENUE | 0.004082 | | | UNITED AIRLINES INC 5.5% 07-15-38 | 0.004075 | ✓ | | COBB COUNTY SCHOOL DISTRICT | 0.003904 | | | NY TRANS CORP 5% 6/30/2049 @ | 0.003884 | | | Puerto Rico, General Obligation Bonds, Vintage CW NT Claims Taxable Series 2022 | 0.003693 | ✓ | | State of Illinois, Series 2025B | 0.003632 | | | NJ TRANSPRTN TRUST-A | 0.003488 | | | TN TNSUTL 5 11/01/2034 | 0.003441 | | | FEDERAL HOME LOAN MTGE CORP MF VARIABLE RATE CTFS | 0.003380 | | | PENNSYLVANIA ST | 0.003342 | | | WI PUBTRN 5.75 06/30/2060 | 0.003341 | ✓ | | Southeast Alabama Gas Supply District (The), Series A | 0.003316 | | | ANCHORAGE MUNICIPLITY | 0.003313 | | | BLACK BELT ENERGY GAS DISTRICT (MPT) 5.0% 03-01-55 | 0.003292 | ✓ | | DESERTXPRESS ENTERPRISES LLC (MPT) 3.5% 01-01-65 | 0.003240 | ✓ | | MET WASHINGTON DC ARPTS AUTH ARPT SYS REVENUE | 0.003178 | | | NATIONAL FIN AUTH NH REVENUE | 0.003133 | | | SAN FRANCISCO CITY & COUNTY AIRPORT COMM-SAN FRANCISCO INTERNATIONAL AIRPORT 5.25% 05-01-40 | 0.003072 | | | Metropolitan Nashville, TN Airport Auth. Rev. B, AMT | 0.002964 | | | CALIFORNIA COMMUNITY VAR | 0.002918 | | | Black Belt Energy Gas District, Series D-3 | 0.002898 | | | NJ TRANSPRTN TRUST-AA | 0.002840 | | | ID HLTH FACS AUTH-C | 0.002834 | | ## American High-Income Municipal Bond Fund — top positions | Security | Weight | Shared | |----------|--------|--------| | Puerto Rico, General Obligation Bonds, Clawback Highway Transportation Authority Claims Taxable Series 2022 | 0.009354 | ✓ | | Puerto Rico, General Obligation Bonds, Vintage CW NT Claims Taxable Series 2022 | 0.009109 | ✓ | | U.S. Treasury Bills | 0.005823 | | | NEW YORK CITY TRANSITIONAL FINANCE AUTHORITY FUTURE TAX SECURED REVENUE FRN 11-01-54 | 0.003461 | | | WASTE PRO USA INC 3.0% 06-01-32 | 0.003403 | | | BIG RIVER STEEL LLC 4.5% 09-01-49 | 0.003402 | | | UIPA CROSSROADS PUBLIC INFRASTRUCTURE DISTRICT AJL PROJECT AREA 4.375% 06-01-52 | 0.003330 | | | Wisconsin (State of) Public Finance Authority, Series 2023 B, RB | 0.003289 | | | CSCDA COMMUNITY IMPROVEMENT AUTHORITY UNION SOUTH BAY 4.0% 07-01-56 | 0.003044 | ✓ | | NEW YORK NY REGD V/R B/E 2.65000000 | 0.003043 | | | HM Metropolitan District No. 2, Series 2021, GO Bonds | 0.002976 | | | EDUCATIONAL GROWTH FUND LLC 5.0% 07-01-56 | 0.002851 | ✓ | | PUERTO RICO SALES TAX FING COR REGD ZCP OID B/E 0.00000000 | 0.002840 | ✓ | | Puerto Rico Commonwealth Aqueduct & Sewer Authority, Series A | 0.002824 | | | UNITED AIRLINES INC 4.0% 07-15-41 | 0.002804 | | | Public Energy Auth. of Kentucky Gas Supply Rev. Refg. C | 0.002685 | ✓ | | BIG RIVER STEEL LLC 4.75% 09-01-49 | 0.002612 | | | OH BUCGEN 5 06/01/2055 | 0.002557 | ✓ | | Montgomery (County of), MD, Series 2017, GO Bonds | 0.002523 | | | Black Belt Energy Gas District, Series 2025 G | 0.002503 | ✓ | | IL CHIEDU 5 12/01/2042 | 0.002494 | ✓ | | PUERTO RICO SALES TAX FING COR REGD OID B/E 4.75000000 | 0.002483 | | | RESTRUCTURED-SER A1 | 0.002461 | | | Puerto Rico Commonwealth Aqueduct & Sewer Authority, Series B | 0.002432 | | | CO CCKFAC 6 12/01/2051 | 0.002422 | | | WA ST HSG FIN COMMN-1 | 0.002328 | | | State of Hawaii Department of Budget and Finance, The Queen's Health Systems, Series 2025B | 0.002320 | | | CHICAGO IL BRD OF EDU REGD OID B/E 7.00000000 | 0.002299 | ✓ | | NY TRANSPRTN DEV -AMT | 0.002292 | | | TOBACCO SETTLEMENT-B2 | 0.002289 | ✓ | | FREDDIE MAC MULTIFAMILY ML CERTIFICATES SER 2024-ML26 CL A V/R 3.26001000 | 0.002277 | | | PALISADE PARK NORTH METROPOLITAN DISTRICT NO 3 5.5% 12-01-51 | 0.002243 | | | Tender Option Bond Trust Receipts/Certificates | 0.002163 | ✓ | | STATE OF HAWAII DEPARTMENT OF BUDGET & FINANCE 4.0% 03-01-37 | 0.002163 | | | LONGS PEAK METROPOLITAN DISTRICT 5.25% 12-01-51 | 0.002163 | | | TOWN OF LITTLE ELM TX SPIRITAS RANCH PUBLIC IMPROVEMENT DISTRICT 5.375% 09-01-51 | 0.002156 | | | AM BIDCO OPERATIONS LLC PIK TL 1ST LIEN 8.5% 10-21-27 | 0.002152 | | | CSCDA Community Improvement Authority, Series 2021 A | 0.002143 | | | NY TRANS CORP 5% 8/1/2031 AMT | 0.002141 | | | LOUISIANA ST LOCAL GOVT ENVRNM REGD B/E 2.50000000 | 0.002102 | | | BUCKLEY METROPOLITAN DISTRICT NO 2 6.0% 12-01-51 | 0.002098 | | | BROOKLYN EVENTS CENTER LLC 5.0% 07-15-42 | 0.002086 | | | UNITED AIRLINES INC 5.25% 07-15-34 | 0.002070 | | | Rampart Range Metropolitan District No. 5, Series 2021, RB | 0.002065 | | | New Hampshire (State of) Business Finance Authority (Social Bonds), Series 2022-2A, RB | 0.002050 | ✓ | | RIVERSIDE HEALTHCARE ASSOCIATION OBLIGATED GROUP 5.33% 07-01-45 | 0.002031 | | | California Community Housing Agency, Series 2021 A-2 | 0.002009 | | | TX EXXON 12 G=EXXON V1 | 0.001994 | | | LOUDOUN IDA VAR-C-HOW | 0.001980 | | | NY TRANS CORP(LAGUARDIA GATEW) 5.25% 1/1/50@ | 0.001978 | | ## Sources - N-PORT (fund A) — accession `0001410368-26-032462` (as of 2026-01-31) - N-PORT (fund B) — accession `0001193125-26-130883` (as of 2026-01-31) --- _Informational only — not investment advice. FundWatcher presents publicly available data and makes no recommendation to buy or sell any security. Verify all figures against the source filing before relying on them._ _Data sourced from U.S. SEC EDGAR filings (Forms N-PORT, N-CEN, and prospectus Risk/Return summaries). FundWatcher is not affiliated with the SEC._ _Use of this data is subject to the FundWatcher Terms of Service. Information may be used only for personal, non-commercial research and may not be redistributed. See _