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Mason Investment Advisory Services, Inc.

CIK 1635007 · latest 13F filed 13 August 2026 · Read the filing on EDGAR

Mason Investment Advisory Services, Inc. reported 84 US-listed holdings worth $2.63 billion in its 13F for the quarter ended 30 June 2026, filed 13 August 2026. Its largest: iShares Trust (34.0%), American Centy ETF Trust (13.4%) and Vanguard Intl Equity Index F (11.2%). Against the quarter before, it opened 9 positions, added to 29, trimmed 29 and sold out of 4.

Reported holdings$2.63B+21.4% on Q1 2026
Positions84+5 on Q1 2026
The largest ten95.0%of its reported holdings
Latest 13FQ2 2026filed 13 August 2026
Where the money is
Added toTrimmed
VLUE34.0%AVUV13.4%VSS11.2%AVSC9.9%TGRT9.8%AVDV9.2%VBR2.6%TURF2.1%CGDV1.6%CGXU1.2%MINT1.1%CGGR0.7%70 more2.5%

The 14 largest of its 84 positions, each sized by its share of the reported holdings, coloured by the change in shares against Q1 2026.

Reported holdings, quarter by quarter
Q3 2024: $1.71 billion in 73 positions$1.71BQ3 24Q4 2024: $1.71 billion in 71 positions$1.71BQ4 24Q1 2025: $1.66 billion in 74 positions$1.66BQ1 25Q2 2025: $1.83 billion in 74 positions$1.83BQ2 25Q3 2025: $2.01 billion in 80 positions$2.01BQ3 25Q4 2025: $2.11 billion in 80 positions$2.11BQ4 25Q1 2026: $2.17 billion in 79 positions$2.17BQ1 26Q2 2026: $2.63 billion in 84 positions$2.63BQ2 26

What the fund reported holding at each quarter's end; hover a bar for the number of positions

What it did on the quarter

Opened 9Added 29Held 17Trimmed 29Sold out 4
Opened: 9Added: 29Held: 17Trimmed: 29Sold out: 4

Its positions against its 13F for the quarter to 31 March 2026; a change under 0.1% of a position counts as held

Opened 9

  1. Fidelity Covington Trust FMAT$657,583
  2. Vanguard Charlotte FDS BNDX$368,444
  3. SPDR Bloomberg International Treasury Bond ETF BWX$346,765
  4. Schwab Strategic Trust SCHD$338,504
  5. Aim ETF Products Trust APRW$304,324
  6. Lam Research Corp. LRCX$277,510
  7. iShares Russell 2000 ETF IWM$227,803
  8. Vanguard Small Cap ETF VB$225,150

and 1 more in the table below

Added to 29

  1. T Rowe Price ETF Inc. TURF+1.8 million shares · +28273%
  2. Vanguard Growth ETF VUG+40,914 shares · +983%
  3. Capital Group Intl Focus Eqt CGXU+80,999 shares · +10%
  4. Capital Group Growth ETF CGGR+49,632 shares · +14%
  5. Capital Group Dividend Value CGDV+41,264 shares · +5%
  6. iShares Trust IWF+13,058 shares · +739%
  7. T Rowe Price ETF Inc. TGRT+29,931 shares · +1%
  8. Vanguard Value ETF VTV+5,400 shares · +128%

and 21 more in the table below

Trimmed 29

  1. iShares Trust VLUE-173,829 shares · -4%
  2. American Centy ETF Trust AVSC-32,868 shares · -1%
  3. American Centy ETF Trust AVUV-9,009 shares · -0%
  4. American Century ETF Trust AVDV-8,994 shares · -0%
  5. American Centy ETF Trust AVTM-12,639 shares · -6%
  6. Vanguard Intl Equity Index F VSS-2,468 shares · -0%
  7. PIMCO ETF Trust MINT-2,552 shares · -1%
  8. iShares Trust IWR-1,764 shares · -41%

and 21 more in the table below

Sold out of 4

  1. Aim ETF Products Trust JULW$298,268 last quarter
  2. Ingredion Inc. INGR$231,115 last quarter
  3. Intuit Inc. INTU$217,465 last quarter
  4. iShares Trust IWY$206,040 last quarter

What it holds

CompanySharesValueOf its bookChange in shares
iShares Trust VLUE4,471,056$893.4 million33.98%-173,829
American Centy ETF Trust AVUV2,824,089$352.3 million13.40%-9,009
Vanguard Intl Equity Index F VSS1,902,746$293.6 million11.17%-2,468
American Centy ETF Trust AVSC3,553,024$260.6 million9.91%-32,868
T Rowe Price ETF Inc. TGRT5,646,517$258.2 million9.82%+29,931
American Century ETF Trust AVDV2,351,220$242.3 million9.22%-8,994
Vanguard Small Cap Value ETF VBR282,251$68.6 million2.61%-784
T Rowe Price ETF Inc. TURF1,806,498$56.1 million2.14%+1,800,131
Capital Group Dividend Value CGDV844,702$41.6 million1.58%+41,264
Capital Group Intl Focus Eqt CGXU892,693$30.9 million1.18%+80,999
PIMCO ETF Trust MINT275,603$27.8 million1.06%-2,552
Capital Group Growth ETF CGGR414,707$19.6 million0.74%+49,632
American Centy ETF Trust AVTM192,119$10.5 million0.40%-12,639
Dimensional ETF Trust DFAT120,467$8.4 million0.32%+212
Vanguard Intl Equity Index F VNQI175,711$7.9 million0.30%+15,584
SPDR S&P 500 SPY5,257$3.9 million0.15%+6
Vanguard Growth ETF VUG45,077$3.9 million0.15%+40,914
iShares Trust EFV33,784$2.6 million0.10%+713
Schwab Fundamental Internationa FNDF44,934$2.4 million0.09%no change
ExxonMobil Holdings Corp. XOM16,185$2.2 million0.08%-89
Vanguard Value ETF VTV9,603$2.1 million0.08%+5,400
iShares Trust IWF14,824$1.8 million0.07%+13,058
Dimensional ETF Trust DFAC38,485$1.7 million0.06%no change
Chevron Corp. CVX9,865$1.6 million0.06%-392
Vanguard Short Term Government VGSH25,923$1.5 million0.06%+677
iShares Trust AOA14,855$1.4 million0.06%+1,411
Select Sector SPDR Trust XLE26,388$1.4 million0.05%+21,071
Apple Inc. AAPL4,651$1.3 million0.05%-317
Wisdomtree Trust EZM17,434$1.3 million0.05%no change
VG Totl STK Vprs VTI3,332$1.2 million0.05%+38
SPDR S&P MidCap 400 ETF MDY1,691$1.2 million0.05%-67
SPDR Ser Trust SPYM12,988$1.1 million0.04%no change
Vanguard Specialized Funds VIG4,468$1.1 million0.04%+9
SPDR Ser Trust SPYV16,658$1.0 million0.04%+24
Vanguard World FD VDE6,588$988,9890.04%-79
iShares Trust SCZ11,981$985,6480.04%+163
Arista Networks, Inc. ANET4,955$841,7550.03%no change
iShares Core S&P 500 ETF IVV1,093$818,3440.03%+3
Vanguard Index FDS VXF3,252$800,6020.03%+2
SPDR Index SHS FDS GNR11,785$793,2760.03%-72
Vanguard Real Estate ETF VNQ8,194$790,1330.03%+47
Vanguard Whitehall FDS VYM4,973$785,8590.03%+589
Vanguard Mun BD FDS VTEB15,449$781,3990.03%+130
Microsoft Corp. MSFT2,054$766,2580.03%-104
Fidelity Covington Trust FMAT11,239$657,5830.03%new
Alphabet Inc. GOOG1,856$655,8500.02%no change
Vanguard ETF VAW2,809$642,6650.02%+5
Vanguard Large Cap ETF VV1,782$612,8480.02%no change
Albertsons Companies, Inc. ACI42,670$577,3230.02%+451
iShares Core S&P Mid-Cap ETF IJH7,321$564,4880.02%+2
Vanguard Intermediate-Term Corp. VCIT6,816$563,3480.02%+2,299
Vanguard S&P 500 VOO779$535,1590.02%-52
Alphabet Inc. GOOGL1,436$513,2600.02%-98
iShares Russell 1000 Value Inde IWD1,979$479,7360.02%-43
Costco Wholesale Corp. COST419$391,8580.01%-8
iShares Barclays Tips Bond TIP3,500$383,0120.01%+234
Vanguard Charlotte FDS BNDX7,608$368,4440.01%new
Amazon.com Inc. AMZN1,540$367,0440.01%-130
Wisdomtree Trust DLN3,738$360,0570.01%no change
iShares Trust ITOT2,138$351,1610.01%no change
SPDR Bloomberg International Treasury Bond ETF BWX15,995$346,7650.01%new
Vanguard Ftse Developed Markets VEA4,848$345,4210.01%+25
Schwab Strategic Trust SCHD10,675$338,5040.01%new
Wisdomtree Trust IQDG7,748$333,7870.01%no change
Eli Lilly & Co. LLY270$324,1730.01%-15
Aim ETF Products Trust APRW8,194$304,3240.01%new
iShares Trust IUSV2,620$288,6320.01%no change
Schwab Strategic Trust SCHP10,870$288,0550.01%-1,440
Home Depot, Inc. HD790$278,7530.01%-29
iShares Trust IWR2,524$278,4080.01%-1,764
Lam Research Corp. LRCX640$277,5100.01%new
Schwab Strategic Trust SCHH11,165$264,3790.01%no change
State Street ETF GWX5,993$262,2610.01%-228
Visa Inc. V727$249,2930.01%-65
Taiwan Semiconductor Manufacturing Company Limited TSM511$244,0970.01%-90
Berkshire Hathaway Inc. Class B BRKB481$240,6880.01%no change
Invesco Exchange Traded FD T PYZ1,912$240,6130.01%-19
iShares Russell 2000 ETF IWM758$227,8030.01%new
Vanguard Small Cap ETF VB743$225,1500.01%new
SPDR Gold MiniShares GLDM2,774$220,3110.01%no change
Vanguard ETF VYMI2,239$219,8700.01%-1,275
Schwab Strategic Trust SCHY6,926$219,7620.01%new
Vanguard Wellington FD VTES2,032$205,8830.01%+53
Precigen Inc. PGEN10,000$57,0000.00%no change
Every US-listed position in the fund's 13F for the quarter ended 30 June 2026, by the value it reported.
Read moreChange is shares against its 13F for the quarter before; the 4 it sold out of are in the box above.