# Portfolio overlap — AIYY vs MSTY Comparing **YieldMax AI Option Income Strategy ETF** (2026-01-31) and **YieldMaxTM MSTR Option Income Strategy ETF** (2026-01-31). - Shared positions: 7 - YieldMax AI Option Income Strategy ETF covered by YieldMaxTM MSTR Option Income Strategy ETF: 0.6928916188500474155400606422 - YieldMaxTM MSTR Option Income Strategy ETF covered by YieldMax AI Option Income Strategy ETF: 0.6928916188500474155400606422 ## YieldMax AI Option Income Strategy ETF — top positions | Security | Weight | Shared | |----------|--------|--------| | U.S. Treasury Bills | 0.456485 | ✓ | | U.S. Treasury Bills | 0.176396 | ✓ | | U.S. Treasury Bills | 0.158827 | ✓ | | U.S. Treasury Bills | 0.128455 | ✓ | | WI TREASURY SEC. 0.000000% 02/19/2026 | 0.057906 | ✓ | | FRST AM-GV OB-X | 0.017472 | ✓ | | US ULTRA BOND CBT Sep25 | 0.004460 | ✓ | ## YieldMaxTM MSTR Option Income Strategy ETF — top positions | Security | Weight | Shared | |----------|--------|--------| | U.S. Treasury Bills | 0.185726 | ✓ | | U.S. Treasury Bills | 0.181486 | ✓ | | U.S. Treasury Bills | 0.176874 | ✓ | | U.S. Treasury Bills | 0.148898 | ✓ | | WI TREASURY SEC. 0.000000% 02/19/2026 | 0.128880 | ✓ | | US ULTRA BOND CBT Sep25 | 0.113427 | ✓ | | United States Treasury Bill | 0.034830 | | | FRST AM-GV OB-X | 0.029801 | ✓ | | STRATEGY INC CL A | 0.000080 | | ## Sources - N-PORT (fund A) — accession `0000894189-26-011019` (as of 2026-01-31) - N-PORT (fund B) — accession `0000894189-26-011070` (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 _