Index Fund Advisors, Inc.
In its 13F for Q4 2025 (holdings as of December 31, 2025, filed January 29, 2026), Index Fund Advisors, Inc. reported 146 stock positions worth $2.1 billion. Its top holding was Dimensional US Small Cap ETF (DFAS) at 19.1% of the portfolio, followed by Dimensional US Target Value (DFAT, 18.0%) and Dimensional US Eq MKT ETF (DFUS, 17.2%). Compared with Q3 2025, it opened 5 new positions, sold out of 4, added to 63 and reduced 54. The biggest buy was Dimensional US Core Equity 2 (DFAC, shares +114%) and the biggest sale Dimensional US Target Value (DFAT, shares −1%).
- Most Recent 13F
- Q2 2026
- Location
- IRVINE, CA
- CIK
- 0001665097
- Portfolio Value
- $2.1B (Q4 2025)
- SEC Filing
- 0001665097-26-000002 ↗ filed Jan 29, 2026
Holdings Value
Holdings 146 stocks · $2.1B
| DFAS Dimensional US Small Cap ETF | 19.11% | 5,844,597 | $407.2M | Reduce -0.2% |
| DFAT Dimensional US Target Value | 18.00% | 6,442,632 | $383.6M | Reduce -1.2% |
| DFUS Dimensional US Eq MKT ETF | 17.24% | 4,952,650 | $367.3M | Reduce -0.8% |
| DFUV Dimensional US Marketwide Va | 12.54% | 5,733,670 | $267.1M | Reduce -1.6% |
| DFIV Dimensional International Va | 8.36% | 3,571,373 | $178.2M | Reduce -1.6% |
| DFSV Dimensional US Small Cap Val | 3.95% | 2,556,867 | $84.1M | Add +5.3% |
| DFLV Dim US Large Cap Value ETF | 1.94% | 1,205,736 | $41.2M | Add +5.8% |
| SGOV iShares 0-3 Month Treasury B | 1.80% | 381,204 | $38.3M | Reduce -2.2% |
| BND Vanguard Total Bond Market | 1.68% | 482,819 | $35.8M | Add +1.9% |
| DFGR Dim Global Real Estate ETF | 1.06% | 856,707 | $22.6M | Add +8.3% |
| DISV Dimensional International SM | 1.04% | 582,980 | $22.2M | Add +4.7% |
| DFIS Dimensional International SM | 0.98% | 636,492 | $21.0M | Add +4.3% |
| DFAE Dimensional Emerging Core Eq | 0.82% | 537,666 | $17.5M | Add +4.7% |
| VXUS Vanguard Total Intl Stock | 0.80% | 225,385 | $17.0M | Add +1.7% |
| VTI VG Morningstar TS MKT ETF-US | 0.75% | 47,542 | $15.9M | Add +0.2% |
| DFEV Dimensional Emrg MRKT Val | 0.70% | 439,842 | $14.8M | Add +7.6% |
| COST Costco Wholesale Corp. | 0.45% | 11,105 | $9.6M | Reduce -2.1% |
| DFAC Dimensional US Core Equity 2 | 0.43% | 232,355 | $9.2M | Add +113.9% |
| IVV iShares Core S&P 500 ETF | 0.40% | 12,301 | $8.4M | Reduce -2.1% |
| NVDA Nvidia Corp. | 0.32% | 36,881 | $6.9M | Reduce -4.8% |
| AMZN Amazon.com Inc. | 0.32% | 29,131 | $6.7M | Reduce -2.0% |
| AVEE Avantis Em MKT SM Cap Eq ETF | 0.31% | 107,357 | $6.7M | Add +21.8% |
| GDX Vaneck Gold Miners ETF | 0.31% | 77,234 | $6.6M | Reduce -6.2% |
| AVGE Avantis All Eqty Mrkts ETF | 0.31% | 76,081 | $6.5M | Add +7.6% |
| JNJ Johnson & Johnson | 0.30% | 31,178 | $6.5M | Add +0.0% |
| AAPL Apple Inc. | 0.28% | 21,828 | $5.9M | Reduce -8.6% |
| VB Vanguard Most SM-Cap ETF-Usd | 0.25% | 20,829 | $5.4M | Reduce -2.0% |
| DUSB Dimension Ultrashort Fi ETF | 0.24% | 101,099 | $5.1M | Add +126.9% |
| VGT Vanguard Info Tech ETF | 0.23% | 6,498 | $4.9M | Add +0.0% |
| DUHP Dimensional US High Profi Et | 0.21% | 118,140 | $4.5M | Add +69.4% |
| MSFT Microsoft Corp. | 0.21% | 9,095 | $4.4M | Reduce -3.1% |
| META Meta Platforms Inc. Class A | 0.19% | 6,194 | $4.1M | Add +1.8% |
| VBR Vngrd Mrngst SL-CP Val ETF-U | 0.17% | 16,975 | $3.6M | Reduce -2.9% |
| AVDV Avantis Intl S/C Value ETF | 0.16% | 37,275 | $3.5M | Add +1.5% |
| DFSD Dimensional Short Duration | 0.15% | 65,713 | $3.2M | Add +72.3% |
| V Visa Inc. Class A | 0.14% | 8,226 | $2.9M | Reduce -3.4% |
| APH Amphenol Corp. Class A | 0.13% | 21,210 | $2.9M | Add +0.0% |
| AVIG Avantis Core Fixed Income | 0.12% | 61,602 | $2.6M | Add +2.6% |
| VNQ Vanguard Real Estate ETF | 0.12% | 28,603 | $2.5M | Reduce -1.1% |
| VOO Vanguard S&P 500 ETF | 0.12% | 4,002 | $2.5M | Add +0.3% |
| VO Vngrd Mrngstr MD-Cap ETF-Usd | 0.11% | 8,314 | $2.4M | Reduce -6.4% |
| NET Cloudflare Inc. Class A | 0.10% | 10,732 | $2.1M | Reduce -0.0% |
| VOE Vngrd Mrngstr MD-Cap Val ETF | 0.09% | 11,367 | $2.0M | Reduce -1.7% |
| SPY SS SPDR S&P 500 ETF Trust-US | 0.09% | 2,663 | $1.8M | Reduce -4.5% |
| VGSH Vanguard Short-Term Treasury | 0.07% | 26,995 | $1.6M | Add +38.6% |
| GOOGL Alphabet Inc. Class A | 0.07% | 5,003 | $1.6M | Reduce -1.0% |
| DFCF Dimensional Core Fixed Inc. | 0.07% | 36,436 | $1.6M | Add +317.9% |
| SPYV SS SPDR P S&P 500 Value ETF | 0.07% | 26,606 | $1.5M | Reduce -3.9% |
| ITOT iShares Core S&P Total U.S. | 0.07% | 10,109 | $1.5M | No change |
| GOOG Alphabet Inc. Class C | 0.07% | 4,787 | $1.5M | Reduce -7.3% |
| VTV Vanguard Mrngstr Val ETF-Aui | 0.07% | 7,667 | $1.5M | Reduce -0.2% |
| DEXC Dimensional Em Ex Cce ETF | 0.07% | 23,698 | $1.4M | Reduce -1.0% |
| TSLA Tesla Inc. | 0.06% | 3,076 | $1.4M | Add +0.1% |
| FICO Fair Isaac Corp. | 0.06% | 805 | $1.4M | Add +0.1% |
| DFGX Dimsnl Intr CF in ETF-Usd Inc. | 0.06% | 25,734 | $1.4M | Add +465.1% |
| DGCB Dimensional Global Credit | 0.06% | 24,964 | $1.4M | Add +454.4% |
| LLY Eli Lilly & Co. | 0.06% | 1,252 | $1.3M | Add +0.6% |
| DFIC Dimensional International Co. | 0.06% | 38,758 | $1.3M | New |
| VEU Vanguard Ftse All-World Ex-U | 0.06% | 17,380 | $1.3M | Add +1.7% |
| IJR iShares Core S&P Small-Cap E | 0.06% | 9,940 | $1.2M | Reduce -2.9% |
| QQQ Invesco QQQ Trust Series 1 | 0.05% | 1,771 | $1.1M | Add +0.1% |
| GSHD Goosehead Insurance Inc. Class A | 0.05% | 14,309 | $1.1M | Reduce -0.0% |
| BRK.B Berkshire Hathaway Inc. Class B | 0.05% | 2,053 | $1.0M | Add +0.1% |
| SCHA Schwab US Small-Cap ETF | 0.05% | 34,521 | $983K | Add +0.4% |
| IVLU iShares MSCI International V | 0.04% | 23,523 | $895K | Reduce -0.6% |
| SCHC Schwab Intl Small-Cap Equity | 0.04% | 19,389 | $883K | Reduce -0.8% |
| VGSR Vert GLB Sust Re ETF filed as MANAGER DIRECTED PORTFOLIOS | 0.04% | 84,420 | $878K | Reduce -2.4% |
| MELI MercadoLibre Inc. | 0.04% | 434 | $874K | No change |
| SHOP Shopify Inc. Class A | 0.04% | 5,423 | $873K | No change |
| DIHP Dimensional International Hi | 0.04% | 26,916 | $852K | Add +91.3% |
| SFBS Servisfirst Bancshares Inc. | 0.04% | 11,509 | $826K | Reduce -0.0% |
| PGR Progressive Corp. | 0.04% | 3,616 | $823K | Reduce -0.1% |
| SNOW Snowflake Inc. | 0.04% | 3,546 | $778K | No change |
| AVGO Broadcom Inc. | 0.04% | 2,190 | $758K | Add +28.0% |
| MAR Marriott International Class A | 0.04% | 2,414 | $749K | Add +0.1% |
| NFLX Netflix Inc. | 0.04% | 7,950 | $745K | Reduce -1.1% |
| STT State Street Corp. | 0.03% | 5,662 | $730K | Add +0.0% |
| UBER Uber Technologies Inc. | 0.03% | 8,880 | $726K | Add +0.4% |
| ISCF iShares International Small | 0.03% | 16,918 | $702K | Reduce -3.6% |
| OLLI Ollie's Bargain Outlet Holdi | 0.03% | 6,241 | $684K | No change |
| CELH Celsius Holdings Inc. | 0.03% | 14,078 | $644K | Reduce -0.0% |
| FNDE Schwab Fndmntl Em MRK Eq ETF | 0.03% | 17,777 | $641K | Add +1.6% |
| IEMG iShares Core MSCI Emerging | 0.03% | 9,463 | $636K | Reduce -4.0% |
| JPM JPMorgan Chase & Co. | 0.03% | 1,965 | $633K | Add +0.6% |
| MRVL Marvell Technology Inc. | 0.03% | 7,415 | $630K | Add +0.1% |
| SDY SS SPDR S&P Dividend ETF | 0.03% | 4,057 | $565K | Reduce -56.5% |
| SPHY SS SPDR P High Yield ETF | 0.03% | 23,656 | $560K | Reduce -49.9% |
| KVUE Kenvue Inc. | 0.03% | 31,756 | $548K | Add +0.1% |
| EWX State Street SPDR S&P Emergi | 0.03% | 8,202 | $538K | Reduce -2.1% |
| SCZ iShares MSCI Eafe Small-Cap | 0.02% | 6,723 | $521K | Reduce -1.6% |
| ISRG Intuitive Surgical Inc. | 0.02% | 887 | $502K | No change |
| IJS iShares S&P Small-Cap 600 Va | 0.02% | 4,195 | $477K | Add +0.5% |
| EEMS iShares MSCI Emerging MKT SM | 0.02% | 7,028 | $474K | Reduce -2.2% |
| MORN Morningstar Inc. | 0.02% | 2,059 | $447K | Reduce -0.1% |
| DFEM Dimensional Emrg MRKT Core | 0.02% | 13,501 | $447K | New |
| ECL Ecolab Inc. | 0.02% | 1,695 | $445K | Reduce -0.1% |
| NOW ServiceNow Inc. | 0.02% | 2,848 | $436K | No change |
| VV Vngrd Mrgstr LRG-Cap ETF-Usd | 0.02% | 1,382 | $435K | Add +0.1% |
| VIG Vanguard Dividend Apprec ETF | 0.02% | 1,968 | $433K | No change |
| ANET Arista Networks Inc. | 0.02% | 3,289 | $431K | Add +0.1% |
Portfolio Sells Q3 2025 → Q4 2025
| DFAT Dimensional US Target Value | Reduce -1.2% | 18.00% | −0.41 |
| DFAS Dimensional US Small Cap ETF | Reduce -0.2% | 19.11% | −0.34 |
| DFUS Dimensional US Eq MKT ETF | Reduce -0.8% | 17.24% | −0.31 |
| SGOV iShares 0-3 Month Treasury B | Reduce -2.2% | 1.80% | −0.11 |
| DFUV Dimensional US Marketwide Va | Reduce -1.6% | 12.54% | −0.10 |
| COST Costco Wholesale Corp. | Reduce -2.1% | 0.45% | −0.06 |
| SDY SS SPDR S&P Dividend ETF | Reduce -56.5% | 0.03% | −0.04 |
| MSFT Microsoft Corp. | Reduce -3.1% | 0.21% | −0.03 |
| SPHY SS SPDR P High Yield ETF | Reduce -49.9% | 0.03% | −0.03 |
| NVDA Nvidia Corp. | Reduce -4.8% | 0.32% | −0.03 |
| AAPL Apple Inc. | Reduce -8.6% | 0.28% | −0.02 |
| VO Vngrd Mrngstr MD-Cap ETF-Usd | Reduce -6.4% | 0.11% | −0.01 |
| NET Cloudflare Inc. Class A | Reduce -0.0% | 0.10% | −0.01 |
| IVV iShares Core S&P 500 ETF | Reduce -2.1% | 0.40% | −0.01 |
| TTD Trade Desk Inc./the Class A | Sold out | 0.00% | −0.01 |
| NFLX Netflix Inc. | Reduce -1.1% | 0.04% | −0.01 |
| HD Home Depot Inc. | Sold out | 0.00% | −0.01 |
| HON Honeywell International Inc. | Sold out | 0.00% | −0.01 |
| DDOG Datadog Inc. Class A | Sold out | 0.00% | −0.01 |
| VB Vanguard Most SM-Cap ETF-Usd | Reduce -2.0% | 0.25% | −0.01 |
| VNQ Vanguard Real Estate ETF | Reduce -1.1% | 0.12% | −0.01 |
| CELH Celsius Holdings Inc. | Reduce -0.0% | 0.03% | −0.01 |
| VBR Vngrd Mrngst SL-CP Val ETF-U | Reduce -2.9% | 0.17% | −0.01 |
| SFBS Servisfirst Bancshares Inc. | Reduce -0.0% | 0.04% | −0.01 |
| V Visa Inc. Class A | Reduce -3.4% | 0.14% | −0.01 |
| EFA iShares MSCI Eafe ETF | Reduce -25.4% | 0.02% | −0.01 |
| SPY SS SPDR S&P 500 ETF Trust-US | Reduce -4.5% | 0.09% | −0.00 |
| PGR Progressive Corp. | Reduce -0.1% | 0.04% | −0.00 |
| VWO Vanguard Ftse Emerging Marke | Reduce -19.4% | 0.01% | −0.00 |
| VGSR Vert GLB Sust Re ETF | Reduce -2.4% | 0.04% | −0.00 |
| SPYV SS SPDR P S&P 500 Value ETF | Reduce -3.9% | 0.07% | −0.00 |
| VOE Vngrd Mrngstr MD-Cap Val ETF | Reduce -1.7% | 0.09% | −0.00 |
| IJR iShares Core S&P Small-Cap E | Reduce -2.9% | 0.06% | −0.00 |
| EFX Equifax Inc. | Reduce -0.1% | 0.01% | −0.00 |
| GSHD Goosehead Insurance Inc. Class A | Reduce -0.0% | 0.05% | −0.00 |
| MORN Morningstar Inc. | Reduce -0.1% | 0.02% | −0.00 |
| CDNS Cadence Design SYS Inc. | Reduce -0.1% | 0.01% | −0.00 |
| ISCF iShares International Small | Reduce -3.6% | 0.03% | −0.00 |
| EWX State Street SPDR S&P Emergi | Reduce -2.1% | 0.03% | −0.00 |
| ECL Ecolab Inc. | Reduce -0.1% | 0.02% | −0.00 |
| IEMG iShares Core MSCI Emerging | Reduce -4.0% | 0.03% | −0.00 |
| NCNO Ncino Inc. | Reduce -0.0% | 0.02% | −0.00 |
| SCHC Schwab Intl Small-Cap Equity | Reduce -0.8% | 0.04% | −0.00 |
| XYZ Block Inc. | Reduce -0.2% | 0.01% | −0.00 |
| WDAY Workday Inc. Class A | Reduce -0.3% | 0.01% | −0.00 |
| ROP Roper Technologies Inc. | Reduce -0.2% | 0.01% | −0.00 |
| EEMS iShares MSCI Emerging MKT SM | Reduce -2.2% | 0.02% | −0.00 |
| AMZN Amazon.com Inc. | Reduce -2.0% | 0.32% | −0.00 |
| SCZ iShares MSCI Eafe Small-Cap | Reduce -1.6% | 0.02% | −0.00 |
| VTV Vanguard Mrngstr Val ETF-Aui | Reduce -0.2% | 0.07% | −0.00 |
Portfolio Buys Q3 2025 → Q4 2025
| DFAC Dimensional US Core Equity 2 | Add +113.9% | 0.43% | +0.23 |
| DFSV Dimensional US Small Cap Val | Add +5.3% | 3.95% | +0.20 |
| DUSB Dimension Ultrashort Fi ETF | Add +126.9% | 0.24% | +0.13 |
| DFLV Dim US Large Cap Value ETF | Add +5.8% | 1.94% | +0.12 |
| DUHP Dimensional US High Profi Et | Add +69.4% | 0.21% | +0.08 |
| DISV Dimensional International SM | Add +4.7% | 1.04% | +0.08 |
| DFEV Dimensional Emrg MRKT Val | Add +7.6% | 0.70% | +0.06 |
| DFIC Dimensional International Co. | New | 0.06% | +0.06 |
| DFSD Dimensional Short Duration | Add +72.3% | 0.15% | +0.06 |
| DFCF Dimensional Core Fixed Inc. | Add +317.9% | 0.07% | +0.05 |
| DFGX Dimsnl Intr CF in ETF-Usd Inc. | Add +465.1% | 0.06% | +0.05 |
| DGCB Dimensional Global Credit | Add +454.4% | 0.06% | +0.05 |
| DFIS Dimensional International SM | Add +4.3% | 0.98% | +0.05 |
| AVEE Avantis Em MKT SM Cap Eq ETF | Add +21.8% | 0.31% | +0.04 |
| DFAE Dimensional Emerging Core Eq | Add +4.7% | 0.82% | +0.04 |
| JNJ Johnson & Johnson | Add +0.0% | 0.30% | +0.02 |
| DFEM Dimensional Emrg MRKT Core | New | 0.02% | +0.02 |
| AVGE Avantis All Eqty Mrkts ETF | Add +7.6% | 0.31% | +0.02 |
| DIHP Dimensional International Hi | Add +91.3% | 0.04% | +0.02 |
| VGSH Vanguard Short-Term Treasury | Add +38.6% | 0.07% | +0.02 |
| LLY Eli Lilly & Co. | Add +0.6% | 0.06% | +0.02 |
| DFGR Dim Global Real Estate ETF | Add +8.3% | 1.06% | +0.01 |
| SCHZ Schwab US Aggregate Bond ETF | New | 0.01% | +0.01 |
| DEHP Dimensional Emrg MRK Hi Prof | New | 0.01% | +0.01 |
| GE General Electric | New | 0.01% | +0.01 |
| AVGO Broadcom Inc. | Add +28.0% | 0.04% | +0.01 |
| VXUS Vanguard Total Intl Stock | Add +1.7% | 0.80% | +0.01 |
| APH Amphenol Corp. Class A | Add +0.0% | 0.13% | +0.01 |
| AVDV Avantis Intl S/C Value ETF | Add +1.5% | 0.16% | +0.01 |
| FICO Fair Isaac Corp. | Add +0.1% | 0.06% | +0.01 |
| MAR Marriott International Class A | Add +0.1% | 0.04% | +0.00 |
| LRCX Lam Research Corp. | Add +10.9% | 0.02% | +0.00 |
| STT State Street Corp. | Add +0.0% | 0.03% | +0.00 |
| VCSH Vanguard S/T Corp. Bond ETF | Add +24.4% | 0.01% | +0.00 |
| ROST Ross Stores Inc. | Add +0.1% | 0.01% | +0.00 |
| WFC Wells Fargo & Co. | Add +0.2% | 0.01% | +0.00 |
| VEU Vanguard Ftse All-World Ex-U | Add +1.7% | 0.06% | +0.00 |
| BAC Bank of America Corp. | Add +1.1% | 0.02% | +0.00 |
| KVUE Kenvue Inc. | Add +0.1% | 0.03% | +0.00 |
| VEA Vanguard Ftse Developed ETF | Add +1.7% | 0.02% | +0.00 |
| IDXX Idexx Laboratories Inc. | Add +0.3% | 0.01% | +0.00 |
| VGK Vanguard Ftse Europe ETF | Add +0.5% | 0.01% | +0.00 |
| SCHF Schwab Intl Equity ETF | Add +1.2% | 0.01% | +0.00 |
| IJS iShares S&P Small-Cap 600 Va | Add +0.5% | 0.02% | 0.00 |
| ROL Rollins Inc. | Add +0.1% | 0.01% | −0.00 |
| JPM JPMorgan Chase & Co. | Add +0.6% | 0.03% | −0.00 |
| SCHB Schwab US Broad Market ETF | Add +0.1% | 0.02% | −0.00 |
| VYM Vanguard High DVD Yield ETF | Add +0.0% | 0.02% | −0.00 |
| VV Vngrd Mrgstr LRG-Cap ETF-Usd | Add +0.1% | 0.02% | −0.00 |
| DFGP Dimensional GLBL Core PL Fix | Add +2.5% | 0.01% | −0.00 |
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 135 | $2.5B | DFAS, DFAT, DFUS, DFUV, DFIV |
| Q1 2026 | 127 | $2.2B | DFAS, DFAT, DFUS, DFUV, DFIV |
| Q4 2025 | 146 | $2.1B | DFAS, DFAT, DFUS, DFUV, DFIV |
| Q3 2025 | 145 | $2.1B | DFAS, DFAT, DFUS, DFUV, DFIV |
| Q2 2025 | 144 | $1.8B | DFAS, DFUS, DFAT, DFUV, DFIV |
| Q1 2025 | 95 | $1.6B | DFAS, DFAT, DFUS, DFUV, DFIV |
| Q4 2024 | 106 | $1.9B | DFAS, DFAT, DFUS, DFUV, DFIV |
| Q3 2024 | 108 | $1.9B | DFAS, DFAT, DFUS, DFUV, DFIV |
| Q2 2024 | 96 | $1.8B | DFAS, DFAT, DFUS, DFUV, DFIV |
| Q1 2024 | 96 | $1.8B | DFAS, DFAT, DFUS, DFUV, DFIV |