NPORT-P false 0000355437 XXXXXXXX S000050935 C000160535 DFA INVESTMENT DIMENSIONS GROUP INC 811-03258 0000355437 549300XGRTBJCE41BD26 6300 BEE CAVE ROAD BUILDING ONE AUSTIN 78746 512-306-7400 DIMENSIONAL 2015 TARGET DATE RETIREMENT INCOME FUND S000050935 549300JZ68REMMSYF285 2026-10-31 2026-07-31 N 21060066.35 7098.88 21052967.47 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 N DFA Inflation Protected Securities Portfolio 549300TG645KDIW1X492 233203355 1459383.26000000 NS USD 15994840.57000000 75.97428055114 Long EC RF US N 1 N N N International Core Equity 2 Portfolio 5493006PNAH8EX4MI695 233203371 14159.18000000 NS USD 318015.16000000 1.510547909472 Long EC RF US N 1 N N N DFA US Core Equity 1 Portfolio 549300HFCYX77UDJN369 233203413 32110.72000000 NS USD 1778934.00000000 8.449801684892 Long EC RF US N 1 N N N Emerging Markets Core Equity 2 Portfolio 549300JF8HO6EL9ROR31 233203421 13989.16000000 NS USD 460383.32000000 2.186785880213 Long EC RF US N 1 N N N DFA One-Year Fixed Income Portfolio 549300GKDX6U5530VA30 233203603 7395.82000000 NS USD 75659.20000000 0.359375466227 Long EC RF US N 1 N N N DFA Large Cap International Portfolio 549300YQLH5F7D7ZFY39 233203868 16386.53000000 NS USD 630717.46000000 2.995860136575 Long EC RF US N 1 N N N DFA US Large Company Portfolio 549300FK54SMFUX28R78 25434D823 35718.08000000 NS USD 1776617.45000000 8.438798247950 Long EC RF US N 1 N N N State Street Global Advisors 549300BZ5TGIFZUZDZ37 857492706 18191.49000000 NS USD 18191.49000000 0.086408198872 Long STIV RF US N 1 N N N 2026-08-31 DFA INVESTMENT DIMENSIONS GROUP INC Randy Olson Randy Olson Vice President XXXX