Filed: 5/14/2026ACC: 0001140361-26-021278
📋 What this filing means
MASON INVESTMENT ADVISORY SERVICES, INC. filed this quarterly 13F‑HR report disclosing 79 equity positions with a total reported market value of $2.17B. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
79
Positions
$2.17B
Total AUM (reported)
24.47M
Total Shares
Allocation by class
MSCI USA VALUE$660.46M30.5%
US SML CP VALU$312.97M14.5%
FTSE SMCAP ETF$277.76M12.8%
INTL SMCP VLU$235.69M10.9%
AVANTIS US SMALL$223.40M10.3%
GROWTH ETF$222.61M10.3%
SHS CREATION UNI$72.79M3.4%
Portfolio Concentration
Top 3$1.25B57.8%
4–10$827.46M38.2%
11–25$60.30M2.8%
Rest$26.83M1.2%
Top 3 weight
57.8%
Top 10 weight
96.0%
Voting Authority Distribution
Total shares with voting rights: 24.47M
Sole
Full voting authority
0.00
shares
% of voting shares0.0%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
24.47M
shares
% of voting shares100.0%
Investment Discretion (by position count)
Sole79
Shared0
Other0
Dominant voting typeNone · 100.0% of voting shares
Institutional Holdings79
Rows:
ISHARES TR
SOLEShares4.64M
TypeSH
Market value$660.46M
30.50%
Sole
0.00
Shared
0.00
None
4.64M
AMERICAN CENTY ETF TR
SOLEShares2.83M
TypeSH
Market value$312.97M
14.45%
Sole
0.00
Shared
0.00
None
2.83M
VANGUARD INTL EQUITY INDEX F
SOLEShares1.91M
TypeSH
Market value$277.76M
12.83%
Sole
0.00
Shared
0.00
None
1.91M
AMERICAN CENTY ETF TR
SOLEShares2.36M
TypeSH
Market value$235.69M
10.88%
Sole
0.00
Shared
0.00
None
2.36M
AMERICAN CENTY ETF TR
SOLEShares3.59M
TypeSH
Market value$223.40M
10.32%
Sole
0.00
Shared
0.00
None
3.59M
T ROWE PRICE ETF INC
SOLEShares5.62M
TypeSH
Market value$220.79M
10.19%
Sole
0.00
Shared
0.00
None
5.62M
VANGUARD INDEX FDS
SOLEShares283.04K
TypeSH
Market value$61.49M
2.84%
Sole
0.00
Shared
0.00
None
283.04K
CAPITAL GROUP DIVIDEND VALUE
SOLEShares803.44K
TypeSH
Market value$34.18M
1.58%
Sole
0.00
Shared
0.00
None
803.44K
PIMCO ETF TR
SOLEShares278.15K
TypeSH
Market value$27.97M
1.29%
Sole
0.00
Shared
0.00
None
278.15K
CAPITAL GROUP INTL FOCUS EQT
SOLEShares811.69K
TypeSH
Market value$23.94M
1.11%
Sole
0.00
Shared
0.00
None
811.69K
CAPITAL GROUP GROWTH ETF
SOLEShares365.07K
TypeSH
Market value$14.67M
0.68%
Sole
0.00
Shared
0.00
None
365.07K
AMERICAN CENTY ETF TR
SOLEShares204.76K
TypeSH
Market value$9.63M
0.44%
Sole
0.00
Shared
0.00
None
204.76K
DIMENSIONAL ETF TRUST
SOLEShares120.25K
TypeSH
Market value$7.51M
0.35%
Sole
0.00
Shared
0.00
None
120.25K
VANGUARD INTL EQUITY INDEX F
SOLEShares160.13K
TypeSH
Market value$7.12M
0.33%
Sole
0.00
Shared
0.00
None
160.13K
STATE STR SPDR S&P 500 ETF T
SOLEShares5.25K
TypeSH
Market value$3.42M
0.16%
Sole
0.00
Shared
0.00
None
5.25K
EXXON MOBIL CORP
SOLEShares16.27K
TypeSH
Market value$2.76M
0.13%
Sole
0.00
Shared
0.00
None
16.27K
ISHARES TR
SOLEShares33.07K
TypeSH
Market value$2.46M
0.11%
Sole
0.00
Shared
0.00
None
33.07K
SCHWAB STRATEGIC TR
SOLEShares44.93K
TypeSH
Market value$2.20M
0.10%
Sole
0.00
Shared
0.00
None
44.93K
CHEVRON CORPORATION
SOLEShares10.26K
TypeSH
Market value$2.12M
0.10%
Sole
0.00
Shared
0.00
None
10.26K
VANGUARD INDEX FDS
SOLEShares4.16K
TypeSH
Market value$1.82M
0.08%
Sole
0.00
Shared
0.00
None
4.16K
DIMENSIONAL ETF TRUST
SOLEShares38.48K
TypeSH
Market value$1.50M
0.07%
Sole
0.00
Shared
0.00
None
38.48K
VANGUARD SCOTTSDALE FDS
SOLEShares25.25K
TypeSH
Market value$1.48M
0.07%
Sole
0.00
Shared
0.00
None
25.25K
APPLE INC
SOLEShares4.97K
TypeSH
Market value$1.26M
0.06%
Sole
0.00
Shared
0.00
None
4.97K
ISHARES TR
SOLEShares13.44K
TypeSH
Market value$1.19M
0.05%
Sole
0.00
Shared
0.00
None
13.44K
WISDOMTREE TR
SOLEShares17.43K
TypeSH
Market value$1.17M
0.05%
Sole
0.00
Shared
0.00
None
17.43K
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
ISHARES TRSOLE | MSCI USA VALUE | 4.64M | SH | $660.46M 30.50% | 0.00 | 0.00 | 4.64M |
AMERICAN CENTY ETF TRSOLE | US SML CP VALU | 2.83M | SH | $312.97M 14.45% | 0.00 | 0.00 | 2.83M |
VANGUARD INTL EQUITY INDEX FSOLE | FTSE SMCAP ETF | 1.91M | SH | $277.76M 12.83% | 0.00 | 0.00 | 1.91M |
AMERICAN CENTY ETF TRSOLE | INTL SMCP VLU | 2.36M | SH | $235.69M 10.88% | 0.00 | 0.00 | 2.36M |
AMERICAN CENTY ETF TRSOLE | AVANTIS US SMALL | 3.59M | SH | $223.40M 10.32% | 0.00 | 0.00 | 3.59M |
T ROWE PRICE ETF INCSOLE | GROWTH ETF | 5.62M | SH | $220.79M 10.19% | 0.00 | 0.00 | 5.62M |
VANGUARD INDEX FDSSOLE | SM CP VAL ETF | 283.04K | SH | $61.49M 2.84% | 0.00 | 0.00 | 283.04K |
CAPITAL GROUP DIVIDEND VALUESOLE | SHS CREATION UNI | 803.44K | SH | $34.18M 1.58% | 0.00 | 0.00 | 803.44K |
PIMCO ETF TRSOLE | ENHAN SHRT MA AC | 278.15K | SH | $27.97M 1.29% | 0.00 | 0.00 | 278.15K |
CAPITAL GROUP INTL FOCUS EQTSOLE | SHS CREATION UNI | 811.69K | SH | $23.94M 1.11% | 0.00 | 0.00 | 811.69K |
CAPITAL GROUP GROWTH ETFSOLE | SHS CREATION UNI | 365.07K | SH | $14.67M 0.68% | 0.00 | 0.00 | 365.07K |
AMERICAN CENTY ETF TRSOLE | AVANTIS TOTAL EQ | 204.76K | SH | $9.63M 0.44% | 0.00 | 0.00 | 204.76K |
DIMENSIONAL ETF TRUSTSOLE | US TARGETED VLU | 120.25K | SH | $7.51M 0.35% | 0.00 | 0.00 | 120.25K |
VANGUARD INTL EQUITY INDEX FSOLE | GLB EX US ETF | 160.13K | SH | $7.12M 0.33% | 0.00 | 0.00 | 160.13K |
STATE STR SPDR S&P 500 ETF TSOLE | TR UNIT | 5.25K | SH | $3.42M 0.16% | 0.00 | 0.00 | 5.25K |
EXXON MOBIL CORPSOLE | COM | 16.27K | SH | $2.76M 0.13% | 0.00 | 0.00 | 16.27K |
ISHARES TRSOLE | EAFE VALUE ETF | 33.07K | SH | $2.46M 0.11% | 0.00 | 0.00 | 33.07K |
SCHWAB STRATEGIC TRSOLE | FUNDAMENTAL INTL | 44.93K | SH | $2.20M 0.10% | 0.00 | 0.00 | 44.93K |
CHEVRON CORPORATIONSOLE | COM | 10.26K | SH | $2.12M 0.10% | 0.00 | 0.00 | 10.26K |
VANGUARD INDEX FDSSOLE | GROWTH ETF | 4.16K | SH | $1.82M 0.08% | 0.00 | 0.00 | 4.16K |
DIMENSIONAL ETF TRUSTSOLE | US CORE EQUITY 2 | 38.48K | SH | $1.50M 0.07% | 0.00 | 0.00 | 38.48K |
VANGUARD SCOTTSDALE FDSSOLE | SHORT TERM TREAS | 25.25K | SH | $1.48M 0.07% | 0.00 | 0.00 | 25.25K |
APPLE INCSOLE | COM | 4.97K | SH | $1.26M 0.06% | 0.00 | 0.00 | 4.97K |
ISHARES TRSOLE | CORE 80/20 AGGRE | 13.44K | SH | $1.19M 0.05% | 0.00 | 0.00 | 13.44K |
WISDOMTREE TRSOLE | US MIDCAP FUND | 17.43K | SH | $1.17M 0.05% | 0.00 | 0.00 | 17.43K |
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