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Super Investors Mason Investment Advisory Services, Inc.
MI

Mason Investment Advisory Services, Inc.

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$2.63B
Positions
84
Quarter ended
June 30, 2026
Filed
August 13, 2026

Reported portfolio value by quarter (30 quarters reported)

$2.63B $362M
Q1 19 Q3 20 Q1 22 Q3 23 Q1 25 Q2 26

$362M in Q1 2019 → $2.63B now. Hover for any quarter.

Holdings

As reported for the quarter ended June 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
IT Ishares Tr 34.0% Trimmed 3.7% 4,471,056 $893M
AC American Centy ETF Tr 13.4% Trimmed 0.3% 2,824,089 $352M
VI Vanguard Intl Equity Index F 11.2% Trimmed 0.1% 1,902,746 $294M
AC American Centy ETF Tr 9.9% Trimmed 0.9% 3,553,024 $261M
TR T Rowe Price Exchange-traded 9.8% Added 0.5% 5,646,517 $258M
AC American Centy ETF Tr 9.2% Trimmed 0.4% 2,351,220 $242M
VI Vanguard Index Fds 2.6% Trimmed 0.3% 282,251 $68.6M
TR T Rowe Price Exchange-traded 2.1% Added 28273% 1,806,498 $56.1M
CG Capital Group Dividend Value 1.6% Added 5.1% 844,702 $41.6M
CG Capital Group Intl Focus Eqt 1.2% Added 10.0% 892,693 $30.9M
PE Pimco ETF Tr 1.1% Trimmed 0.9% 275,603 $27.8M
CG Capital Group Growth ETF 0.7% Added 14% 414,707 $19.6M
AC American Centy ETF Tr 0.4% Trimmed 6.2% 192,119 $10.5M
DE Dimensional ETF Trust 0.3% Added 0.2% 120,467 $8.42M
VI Vanguard Intl Equity Index F 0.3% Added 9.7% 175,711 $7.88M
SS State Str SPDR S&P 500 ETF T 0.1% Added 0.1% 5,257 $3.93M
VI Vanguard Index Fds 0.1% Added 983% 45,077 $3.88M
IT Ishares Tr 0.1% Added 2.2% 33,784 $2.59M
SS Schwab Strategic Tr 0.1% Unchanged 44,934 $2.37M
Exxon Mobil Corp 0.1% Trimmed 0.5% 16,185 $2.21M
VI Vanguard Index Fds 0.1% Added 128% 9,603 $2.09M
IT Ishares Tr 0.1% Added 739% 14,824 $1.84M
DE Dimensional ETF Trust 0.1% Unchanged 38,485 $1.71M
Chevron Corporation 0.1% Trimmed 3.8% 9,865 $1.64M
VS Vanguard Scottsdale Fds 0.1% Added 2.7% 25,923 $1.51M
IT Ishares Tr 0.1% Added 10% 14,855 $1.45M
SS Select Sector SPDR Tr 0.1% Added 396% 26,388 $1.4M
Apple Inc 0.1% Trimmed 6.4% 4,651 $1.35M
WT Wisdomtree Tr 0.1% Unchanged 17,434 $1.32M
VI Vanguard Index Fds 0.0% Added 1.2% 3,332 $1.23M
SS State Str SPDR S&P Midcap 40 0.0% Trimmed 3.8% 1,691 $1.19M
SS SPDR Series Trust 0.0% Unchanged 12,988 $1.14M
VS Vanguard Specialized Funds 0.0% Added 0.2% 4,468 $1.06M
SS SPDR Series Trust 0.0% Added 0.1% 16,658 $1.01M
VW Vanguard World Fd 0.0% Trimmed 1.2% 6,588 $989K
IT Ishares Tr 0.0% Added 1.4% 11,981 $986K
Arista Networks Inc 0.0% Unchanged 4,955 $842K
IT Ishares Tr 0.0% Added 0.3% 1,093 $818K
VI Vanguard Index Fds 0.0% Added 0.1% 3,252 $801K
SI SPDR Index Shs Fds 0.0% Trimmed 0.6% 11,785 $793K
VI Vanguard Index Fds 0.0% Added 0.6% 8,194 $790K
VW Vanguard Whitehall Fds 0.0% Added 13% 4,973 $786K
VM Vanguard Mun Bd Fds 0.0% Added 0.8% 15,449 $781K
Microsoft Corp 0.0% Trimmed 4.8% 2,054 $766K
FC Fidelity Covington Trust 0.0% New 11,239 $658K
Alphabet Inc 0.0% Unchanged 1,856 $656K
VW Vanguard World Fd 0.0% Added 0.2% 2,809 $643K
VI Vanguard Index Fds 0.0% Unchanged 1,782 $613K
Albertsons Companies Inc 0.0% Added 1.1% 42,670 $577K
IT Ishares Tr 0.0% Added 0.0% 7,321 $564K
VS Vanguard Scottsdale Fds 0.0% Added 51% 6,816 $563K
VI Vanguard Index Fds 0.0% Trimmed 6.3% 779 $535K
Alphabet Inc 0.0% Trimmed 6.4% 1,436 $513K
IT Ishares Tr 0.0% Trimmed 2.1% 1,979 $480K
Costco Wholesale Corporation 0.0% Trimmed 1.9% 419 $392K
IT Ishares Tr 0.0% Added 7.2% 3,500 $383K
VC Vanguard Charlotte Fds 0.0% New 7,608 $368K
Amazon Com Inc 0.0% Trimmed 7.8% 1,540 $367K
WT Wisdomtree Tr 0.0% Unchanged 3,738 $360K
IT Ishares Tr 0.0% Unchanged 2,138 $351K

Showing top 60 of 84 positions.

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q2 2026

quarter ended June 30, 2026 · filed August 13, 2026

Company Action Shares changed Value of change % of portfolio
TR T Rowe Price Exchange-traded Added +1,800,131 +$55.9M 2.1%
IT Ishares Tr Trimmed −173,829 −$34.7M 34.0%
VI Vanguard Index Fds Added +40,914 +$3.52M 0.1%
CG Capital Group Intl Focus Eqt Added +80,999 +$2.8M 1.2%
AC American Centy ETF Tr Trimmed −32,868 −$2.41M 9.9%
CG Capital Group Growth ETF Added +49,632 +$2.34M 0.7%
CG Capital Group Dividend Value Added +41,264 +$2.03M 1.6%
IT Ishares Tr Added +13,058 +$1.62M 0.1%
TR T Rowe Price Exchange-traded Added +29,931 +$1.37M 9.8%
VI Vanguard Index Fds Added +5,400 +$1.18M 0.1%

Showing the 10 largest of 73 changes.

Q1 2026

quarter ended March 31, 2026 · filed May 14, 2026

Company Action Shares changed Value of change % of portfolio
AC American Centy ETF Tr New +204,758 +$9.63M 0.4%
TR T Rowe Price ETF Inc Added +224,702 +$8.83M 10.2%
IT Ishares Tr Trimmed −48,186 −$6.85M 30.5%
AC American Centy ETF Tr Trimmed −55,584 −$5.55M 10.9%
VI Vanguard Intl Equity Index F Trimmed −32,484 −$4.74M 12.8%
CG Capital Group Growth ETF Added +80,771 +$3.25M 0.7%
CG Capital Group Intl Focus Eqt Added +104,326 +$3.08M 1.1%
PE Pimco ETF Tr Trimmed −23,183 −$2.33M 1.3%
AC American Centy ETF Tr Trimmed −21,895 −$1.36M 10.3%
AC American Centy ETF Tr Trimmed −11,740 −$1.3M 14.5%

Showing the 10 largest of 63 changes.

Q4 2025

quarter ended December 31, 2025 · filed February 12, 2026

Company Action Shares changed Value of change % of portfolio
PE Pimco ETF Tr Trimmed −184,993 −$18.6M 1.4%
CG Capital Group Dividend Value Added +312,731 +$13.6M 1.6%
AC American Centy ETF Tr Added +77,141 +$7.87M 13.8%
AC American Centy ETF Tr Added +96,254 +$5.65M 10.1%
VI Vanguard Intl Equity Index F Added +39,350 +$5.64M 13.2%
S&P Global Inc Exited −5,343 −$2.6M —
CG Capital Group Intl Focus Eqt Added +82,928 +$2.45M 1.0%
AC American Centy ETF Tr Added +20,008 +$1.88M 10.8%
IT Ishares Tr Trimmed −16,115 −$1.77M —
VS Vanguard Scottsdale Fds New +25,094 +$1.47M 0.1%

Showing the 10 largest of 66 changes.

Q3 2025

quarter ended September 30, 2025 · filed November 12, 2025

Company Action Shares changed Value of change % of portfolio
CG Capital Group Intl Focus Eqt Added +320,671 +$9.5M 0.9%
VI Vanguard Intl Equity Index F Trimmed −37,820 −$5.39M 13.5%
AC American Centy ETF Tr Trimmed −60,204 −$5.36M 10.6%
TR T Rowe Price ETF Inc Trimmed −112,176 −$4.9M 11.7%
IT Ishares Tr Added +38,865 +$4.86M 29.3%
S&P Global Inc New +5,343 +$2.6M 0.1%
CN Chevron Corp New Added +9,147 +$1.42M 0.1%
CG Capital Group Dividend Value Added +32,420 +$1.36M 1.0%
CG Capital Group Growth ETF Added +16,543 +$727K 0.6%
AC American Centy ETF Tr Added +6,353 +$632K 13.7%

Showing the 10 largest of 71 changes.

Q2 2025

quarter ended June 30, 2025 · filed August 05, 2025

Company Action Shares changed Value of change % of portfolio
IT Ishares Tr Added +48,386 +$5.48M 28.8%
AC American Centy ETF Tr Added +96,503 +$4.98M 9.9%
PE Pimco ETF Tr Trimmed −47,804 −$4.81M 2.7%
AC American Centy ETF Tr Added +47,613 +$4.34M 13.7%
TR T Rowe Price ETF Inc Added +71,169 +$2.88M 12.1%
CG Capital Group Dividend Value Added +64,610 +$2.55M 1.0%
CG Capital Group Intl Focus Eqt Added +91,345 +$2.48M 0.4%
CG Capital Group Growth ETF Added +54,457 +$2.21M 0.5%
AC American Centy ETF Tr Added +23,935 +$1.9M 10.6%
IT Ishares Tr Added +15,988 +$1.76M 0.1%

Showing the 10 largest of 58 changes.

Q1 2025

quarter ended March 31, 2025 · filed May 01, 2025

Company Action Shares changed Value of change % of portfolio
PE Pimco ETF Tr Trimmed −45,328 −$4.56M 3.2%
IT Ishares Tr Added +27,579 +$2.94M 29.7%
AC American Centy ETF Tr Added +57,483 +$2.78M 10.0%
TR T Rowe Price ETF Inc Trimmed −72,695 −$2.49M 11.2%
CG Capital Group Intl Focus Eqt Trimmed −93,808 −$2.3M 0.3%
CG Capital Group Dividend Value ETF Added +55,269 +$1.97M 0.8%
AC American Centy ETF Tr Added +18,866 +$1.64M 14.3%
CG Capital Group Growth ETF Added +36,675 +$1.26M 0.4%
Dte Energy Co New +7,287 +$1.01M 0.1%
VI Vanguard Intl Equity Index F Added +6,136 +$709K 13.5%

Showing the 10 largest of 58 changes.

Q4 2024

quarter ended December 31, 2024 · filed February 06, 2025

Company Action Shares changed Value of change % of portfolio
IT Ishares Tr Added +78,917 +$8.33M 28.4%
VI Vanguard Intl Equity Index F Added +72,746 +$8.33M 12.9%
CG Capital Group Intl Focus Eqt Added +297,786 +$7.35M 0.4%
CG Capital Group Dividend Value Added +202,639 +$7.15M 0.7%
PE Pimco ETF Tr Trimmed −60,232 −$6.04M 3.4%
AC American Centy ETF Tr Added +85,891 +$5.59M 9.3%
CG Capital Group Growth ETF Added +106,287 +$3.95M 0.3%
TR T Rowe Price ETF Inc Trimmed −99,239 −$3.76M 12.2%
AC American Centy ETF Tr Trimmed −18,060 −$1.74M 15.3%
AC American Centy ETF Tr Added +24,750 +$1.35M 10.7%

Showing the 10 largest of 69 changes.

Q3 2024

quarter ended September 30, 2024 · filed November 12, 2024

Company Action Shares changed Value of change % of portfolio
PE Pimco ETF Tr Trimmed −42,500 −$4.28M 3.8%
IT Ishares Tr Added +19,941 +$2.17M 28.7%
CG Capital Group Dividend Value Added +47,873 +$1.74M 0.3%
AC American Centy ETF Tr Trimmed −17,837 −$1.71M 15.2%
TR T Rowe Price ETF Inc Trimmed −40,559 −$1.46M 11.7%
VI Vanguard Intl Equity Index F Added +10,436 +$1.31M 13.7%
CG Capital Group Growth ETF Added +32,273 +$1.12M 0.1%
AC American Centy ETF Tr Added +11,177 +$604K 10.5%
VI Vanguard Index Fds Trimmed −2,862 −$575K 3.3%
AC American Centy ETF Tr Trimmed −6,070 −$429K 9.7%

Showing the 10 largest of 65 changes.

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