# Portfolio overlap — BYLD vs ITDF Comparing **iShares Yield Optimized Bond ETF** (2026-01-31) and **iShares LifePath Target Date 2050 ETF** (2026-01-31). - Shared positions: 4 - iShares Yield Optimized Bond ETF covered by iShares LifePath Target Date 2050 ETF: 0.1332623621295520494967419151 - iShares LifePath Target Date 2050 ETF covered by iShares Yield Optimized Bond ETF: 0.1332623621295520494967419151 ## iShares Yield Optimized Bond ETF — top positions | Security | Weight | Shared | |----------|--------|--------| | iShares Broad USD High Yield Corporate Bond ETF | 0.182638 | | | iShares 10+ Year Investment Grade Corporate Bond ETF | 0.103800 | ✓ | | ISHARES J P MORGAN EM HIGH YIELD BOND ETF | 0.091878 | | | BlackRock Cash Funds: Institutional, SL Agency Shares | 0.091631 | ✓ | | iShares Broad USD Investment Grade Corporate Bond ETF | 0.090891 | | | ISHARES FLOATING RATE BOND ETF | 0.090442 | | | iShares 5-10 Year Investment Grade Corporate Bond ETF | 0.087292 | ✓ | | iShares Investment Grade Systematic Bond ETF | 0.079470 | | | iShares GNMA Bond ETF | 0.072613 | | | iShares Trust ISHARES 0-3 MONTH TREASURY BOND ETF | 0.049619 | | | iShares Core Universal USD Bond ETF | 0.040699 | | | ISHARES MBS ETF MUTUAL FUND | 0.018155 | | | BlackRock Cash Funds: Treasury, SL Agency Shares | 0.000872 | ✓ | ## iShares LifePath Target Date 2050 ETF — top positions | Security | Weight | Shared | |----------|--------|--------| | ISHARES RUSSELL 1000 ETF MUTUAL FUND | 0.451074 | | | iShares Core MSCI International Developed Markets ETF | 0.221162 | | | BlackRock Cash Funds: Institutional, SL Agency Shares | 0.120315 | ✓ | | ISHARES CORE MSCI EMERGING MUTUAL FUND | 0.099735 | | | iShares 10+ Year Investment Grade Corporate Bond ETF | 0.036668 | ✓ | | Russell 2000 ETF | 0.028906 | | | iShares Core U.S. REIT ETF - Class USD INC | 0.023641 | | | ISHR 1-5Y INV GR | 0.005833 | | | ISHARES 10 20 YEAR TREASURY BOND ETF | 0.004996 | | | iShares 5-10 Year Investment Grade Corporate Bond ETF | 0.004092 | ✓ | | ISHARES US TREASURY BOND ETF | 0.002365 | | | BlackRock Cash Funds: Treasury, SL Agency Shares | 0.001214 | ✓ | ## Sources - N-PORT (fund A) — accession `0002071691-26-007312` (as of 2026-01-31) - N-PORT (fund B) — accession `0001004726-26-001918` (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 _