Mason Investment Advisory Services, Inc.

In its 13F for Q1 2024 (holdings as of March 31, 2024, filed May 13, 2024), Mason Investment Advisory Services, Inc. reported 67 stock positions worth $1.4 billion. Its top holding was iShares MSCI USA Value Facto (VLUE) at 33.4% of the portfolio, followed by Avantis US Small Cap Value (AVUV, 17.6%) and Vanguard Ftse All Wo X-US SC (VSS, 14.7%). Compared with Q4 2023, it opened 5 new positions, sold out of 2, added to 12 and reduced 26. The biggest buy was Avantis US Small Cap Equity (AVSC, shares +27%) and the biggest sale Vanguard Ftse All Wo X-US SC (VSS, shares −0%).

Most Recent 13F
Q2 2026
Location
RESTON, VA
CIK
0001635007
Portfolio Value
$1.4B (Q1 2024)
SEC Filing
0001140361-24-025703 ↗ filed May 13, 2024

Holdings Value

0$1.0B$2.0B$3.0B Q1 2024: $1.4B $1.4B Q1 2024 Q2 2024: $1.6B Q2 2024 Q3 2024: $1.7B Q3 2024 Q4 2024: $1.7B Q4 2024 Q1 2025: $1.7B Q1 2025 Q2 2025: $1.8B Q2 2025 Q3 2025: $2.0B Q3 2025 Q4 2025: $2.1B Q4 2025 Q1 2026: $2.2B Q1 2026 Q2 2026: $2.6B Q2 2026

Holdings 67 stocks · $1.4B
VLUE iShares MSCI USA Value Facto 33.37% 4,455,063 $482.5M Reduce -1.0%
AVUV Avantis US Small Cap Value 17.62% 2,718,469 $254.7M Reduce -0.6%
VSS Vanguard Ftse All Wo X-US SC 14.71% 1,820,863 $212.7M Reduce -0.0%
AVSC Avantis US Small Cap Equity 11.85% 3,272,458 $171.3M Add +27.4%
AVDV Avantis Intl S/C Value ETF 10.50% 2,305,915 $151.9M Reduce -0.4%
MINT PIMCO Enhanced Short Maturit 4.77% 685,811 $69.0M Reduce -2.5%
VBR Vngrd Mrngst SL-CP Val ETF-U 3.74% 281,631 $54.0M Add +0.2%
DFAT Dimensional US Target Value 0.44% 117,751 $6.4M Add +0.0%
VNQI Vanguard GLBL Ex-US Real Est 0.43% 149,198 $6.3M Reduce -36.1%
SPY SS SPDR S&P 500 ETF Trust-US 0.21% 5,763 $3.0M Reduce -3.8%
ACI Albertsons Cos Inc. Class A 0.12% 81,000 $1.7M No change
EFV iShares MSCI Eafe Value ETF 0.11% 30,350 $1.7M Add +0.6%
FNDF Schwab Fndmn Intl LRG Co. ETF 0.10% 42,266 $1.5M No change
DFAC Dimensional US Core Equity 2 0.08% 38,441 $1.2M No change
AAPL Apple Inc. 0.08% 6,848 $1.2M Reduce -9.5%
MDY State Street SPDR S&P Midcap 0.08% 1,980 $1.1M No change
EZM Wisdomtree US Midcap Fund 0.07% 17,376 $1.1M Reduce -19.0%
VV Vngrd Mrgstr LRG-Cap ETF-Usd 0.07% 4,307 $1.0M Reduce -7.9%
CGDV Cap Group Dividend Value filed as CAPITAL GROUP DIVIDEND VALUE 0.07% 30,870 $1.0M New
SCZ iShares MSCI Eafe Small-Cap 0.06% 14,590 $924K No change
MSFT Microsoft Corp. 0.06% 2,134 $898K Reduce -2.2%
VTI VG Morningstar TS MKT ETF-US 0.06% 3,416 $888K Add +0.1%
VIG Vanguard Dividend Apprec ETF 0.06% 4,720 $862K No change
SPYM Ste STR SPDR PT S&P 500 ETF 0.06% 13,918 $856K Reduce -0.4%
IVV iShares Core S&P 500 ETF 0.06% 1,583 $832K Add +0.3%
GNR State Street SPDR S&P Global 0.06% 14,359 $832K Reduce -7.0%
SPYV SS SPDR P S&P 500 Value ETF 0.06% 16,420 $823K Add +0.3%
VDE Vanguard Energy ETF 0.05% 5,676 $747K Add +2.4%
VXF Vanguard Extended Market ETF 0.05% 3,910 $685K No change
VYM Vanguard High DVD Yield ETF 0.04% 5,169 $625K No change
IWD iShares Russell 1000 Value E 0.04% 3,419 $612K Reduce -19.7%
IWF iShares Russell 1000 Growth 0.04% 1,790 $603K Reduce -1.3%
VUG Vanguard Mrngstar GR ETF-Sui 0.04% 1,727 $594K Reduce -10.9%
VNQ Vanguard Real Estate ETF 0.04% 6,249 $540K Add +3.1%
VAW Vanguard Materials ETF 0.04% 2,603 $532K Add +2.1%
INTU Intuit Inc. 0.04% 800 $520K No change
ANET Arista Networks Inc. 0.04% 1,752 $508K No change
VTV Vanguard Mrngstr Val ETF-Aui 0.03% 3,060 $498K Add +3.2%
IWO iShares Russell 2000 Growth 0.03% 1,836 $497K No change
HD Home Depot Inc. 0.03% 1,275 $489K No change
VTEB Vanguard Tax-Exempt Bond ETF 0.03% 9,633 $487K Add +9.4%
VOO Vanguard S&P 500 ETF 0.03% 988 $475K No change
AMZN Amazon.com Inc. 0.03% 2,600 $469K Reduce -5.0%
PG The Procter & Gamble Co. 0.03% 2,663 $432K Reduce -32.6%
V Visa Inc. Class A 0.03% 1,504 $420K Reduce -0.4%
IJH iShares Core S&P Midcap ETF 0.03% 6,640 $403K Reduce -9.0%
HES Hess Corp. 0.03% 2,601 $397K No change
SCHP Schwab U.S. Tips ETF 0.03% 7,494 $391K No change
GOOGL Alphabet Inc. Class A 0.02% 2,328 $351K Reduce -9.8%
VCIT Vanguard Int-Term Corporate 0.02% 4,224 $340K No change
IUSV iShares Core S&P U.S. Value 0.02% 3,724 $337K No change
COST Costco Wholesale Corp. 0.02% 414 $303K No change
IQDG Wisdomtree Intl QLTY DVD GRW 0.02% 7,682 $292K Reduce -60.6%
GOOG Alphabet Inc. Class C 0.02% 1,920 $292K Reduce -35.6%
DLN Wisdomtree US Largecap Divid 0.02% 3,737 $270K Reduce -33.9%
ITOT iShares Core S&P Total U.S. 0.02% 2,251 $260K Reduce -7.3%
GWX State Street SPDR S&P Intern 0.02% 7,724 $251K No change
XLE SS Energy Select Sector 0.02% 2,592 $245K No change
VYMI Vanguard Int High DVD YLD Inc. 0.02% 3,514 $242K Reduce -8.9%
RYN Rayonier Inc. 0.02% 6,810 $226K New
SCHH Schwab US REIT ETF 0.02% 11,059 $224K No change
IWR iShares Russell Mid-Cap ETF 0.02% 2,656 $223K No change
VEA Vanguard Ftse Developed ETF 0.02% 4,400 $221K No change
INGR Ingredion Inc. 0.01% 1,846 $216K No change
VB Vanguard Most SM-Cap ETF-Usd 0.01% 935 $214K New
LLY Eli Lilly & Co. 0.01% 269 $209K New
SLQT Selectquote Inc. 0.00% 15,000 $30K New

Portfolio Sells Q4 2023 → Q1 2024
VSS Vanguard Ftse All Wo X-US SC Reduce -0.0% 14.71% −0.70
AVUV Avantis US Small Cap Value Reduce -0.6% 17.62% −0.46
MINT PIMCO Enhanced Short Maturit Reduce -2.5% 4.77% −0.40
VNQI Vanguard GLBL Ex-US Real Est Reduce -36.1% 0.43% −0.30
AVDV Avantis Intl S/C Value ETF Reduce -0.4% 10.50% −0.15
VLUE iShares MSCI USA Value Facto Reduce -1.0% 33.37% −0.14
IQDG Wisdomtree Intl QLTY DVD GRW Reduce -60.6% 0.02% −0.03
AAPL Apple Inc. Reduce -9.5% 0.08% −0.03
NOW ServiceNow Inc. Sold out 0.00% −0.02
EZM Wisdomtree US Midcap Fund Reduce -19.0% 0.07% −0.02
WTRE Wisdomtree New Economy Real Sold out 0.00% −0.01
PG The Procter & Gamble Co. Reduce -32.6% 0.03% −0.01
GOOG Alphabet Inc. Class C Reduce -35.6% 0.02% −0.01
IWD iShares Russell 1000 Value E Reduce -19.7% 0.04% −0.01
DLN Wisdomtree US Largecap Divid Reduce -33.9% 0.02% −0.01
GNR State Street SPDR S&P Global Reduce -7.0% 0.06% −0.01
VV Vngrd Mrgstr LRG-Cap ETF-Usd Reduce -7.9% 0.07% −0.00
VUG Vanguard Mrngstar GR ETF-Sui Reduce -10.9% 0.04% −0.00
GOOGL Alphabet Inc. Class A Reduce -9.8% 0.02% −0.00
VYMI Vanguard Int High DVD YLD Inc. Reduce -8.9% 0.02% −0.00
IJH iShares Core S&P Midcap ETF Reduce -9.0% 0.03% −0.00
SPY SS SPDR S&P 500 ETF Trust-US Reduce -3.8% 0.21% −0.00
ITOT iShares Core S&P Total U.S. Reduce -7.3% 0.02% −0.00
V Visa Inc. Class A Reduce -0.4% 0.03% +0.00
IWF iShares Russell 1000 Growth Reduce -1.3% 0.04% +0.00
MSFT Microsoft Corp. Reduce -2.2% 0.06% +0.00
AMZN Amazon.com Inc. Reduce -5.0% 0.03% +0.00
SPYM Ste STR SPDR PT S&P 500 ETF Reduce -0.4% 0.06% +0.00

Portfolio Buys Q4 2023 → Q1 2024
AVSC Avantis US Small Cap Equity Add +27.4% 11.85% +2.20
CGDV Cap Group Dividend Value New 0.07% +0.07
RYN Rayonier Inc. New 0.02% +0.02
VB Vanguard Most SM-Cap ETF-Usd New 0.01% +0.01
LLY Eli Lilly & Co. New 0.01% +0.01
VBR Vngrd Mrngst SL-CP Val ETF-U Add +0.2% 3.74% +0.01
VDE Vanguard Energy ETF Add +2.4% 0.05% +0.00
SLQT Selectquote Inc. New 0.00% +0.00
IVV iShares Core S&P 500 ETF Add +0.3% 0.06% +0.00
VTV Vanguard Mrngstr Val ETF-Aui Add +3.2% 0.03% +0.00
VTI VG Morningstar TS MKT ETF-US Add +0.1% 0.06% +0.00
VAW Vanguard Materials ETF Add +2.1% 0.04% +0.00
SPYV SS SPDR P S&P 500 Value ETF Add +0.3% 0.06% +0.00
VTEB Vanguard Tax-Exempt Bond ETF Add +9.4% 0.03% +0.00
EFV iShares MSCI Eafe Value ETF Add +0.6% 0.11% −0.00
VNQ Vanguard Real Estate ETF Add +3.1% 0.04% −0.00
DFAT Dimensional US Target Value Add +0.0% 0.44% −0.01

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 84$2.6BVLUE, AVUV, VSS, AVSC, TGRT
Q1 2026 79$2.2BVLUE, AVUV, VSS, AVDV, AVSC
Q4 2025 80$2.1BVLUE, AVUV, VSS, TGRT, AVDV
Q3 2025 80$2.0BVLUE, AVUV, VSS, TGRT, AVDV
Q2 2025 74$1.8BVLUE, VSS, AVUV, TGRT, AVDV
Q1 2025 74$1.7BVLUE, AVUV, VSS, TGRT, AVDV
Q4 2024 71$1.7BVLUE, AVUV, VSS, TGRT, AVSC
Q3 2024 73$1.7BVLUE, AVUV, VSS, TGRT, AVSC
Q2 2024 73$1.6BVLUE, AVUV, VSS, TGRT, AVSC
Q1 2024 67$1.4BVLUE, AVUV, VSS, AVSC, AVDV