X0102 24F-2NT LIVE 0000893818 XXXXXXXX false false N-1A BlackRock Funds III 100 Bellevue Parkway Wilmington DE X1 19809 BlackRock LifePath Dynamic Retirement Fund S000004280 true BlackRock LifePath Dynamic 2030 Fund S000004278 true BlackRock LifePath Dynamic 2035 Fund S000029260 true BlackRock LifePath Dynamic 2040 Fund S000004279 true BlackRock LifePath Dynamic 2045 Fund S000029261 true BlackRock LifePath Dynamic 2050 Fund S000022024 true BlackRock LifePath Dynamic 2055 Fund S000029262 true BlackRock LifePath Dynamic 2060 Fund S000057862 true BlackRock LifePath Dynamic 2065 Fund S000066172 true BlackRock LifePath Dynamic 2070 Fund S000086334 true BlackRock Cash Funds - Institutional S000004275 true BlackRock Cash Funds - Treasury S000004273 true iShares U.S. Aggregate Bond Index Fund S000004270 true iShares S&P 500 Index Fund S000004272 true iShares Russell 1000 Large-Cap Index Fund S000031723 true iShares MSCI Total International Index Fund S000033188 true BlackRock LifePath Index Retirement Fund S000032775 true BlackRock LifePath Index 2030 Fund S000032778 true BlackRock LifePath Index 2035 Fund S000032779 true BlackRock LifePath Index 2040 Fund S000032780 true BlackRock LifePath Index 2045 Fund S000032781 true BlackRock LifePath Index 2050 Fund S000032782 true BlackRock LifePath Index 2055 Fund S000032783 true BlackRock LifePath Index 2060 Fund S000052849 true BlackRock LifePath Index 2065 Fund S000066171 true BlackRock LifePath Index 2070 Fund S000086333 true BlackRock Diversified Equity Fund S000081558 true 811-07332 033-54126 12/31/2025 false 1008652434165.59 991696545355.00 0.00 991696545355.00 16955888810.59 0.00 0.0001381 2341608.24 0.00 2341608.24 /s/ Chuck Pulsfort Chuck Pulsfort, Assistant Treasurer 03/25/2026