Filed: 8/13/2026ACC: 0001140361-26-032728
📋 What this filing means
MASON INVESTMENT ADVISORY SERVICES, INC. filed this quarterly 13F‑HR report disclosing 84 equity positions with a total reported market value of $2.63B. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
84
Positions
$2.63B
Total AUM (reported)
26.38M
Total Shares
Allocation by class
MSCI USA VALUE$893.36M34.0%
US SML CP VALU$352.33M13.4%
FTSE SMCAP ETF$293.57M11.2%
GROWTH ETF$262.04M10.0%
AVAN US SMAL ETF$260.58M9.9%
INTL SMCP VLU$242.29M9.2%
SHS CREAT UNIT$92.11M3.5%
Portfolio Concentration
Top 3$1.54B58.5%
4–10$958.29M36.4%
11–25$97.88M3.7%
Rest$33.81M1.3%
Top 3 weight
58.5%
Top 10 weight
95.0%
Voting Authority Distribution
Total shares with voting rights: 26.38M
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
26.38M
shares
% of voting shares100.0%
Investment Discretion (by position count)
Sole84
Shared0
Other0
Dominant voting typeNone · 100.0% of voting shares
Institutional Holdings84
Rows:
ISHARES TR
SOLEShares4.47M
TypeSH
Market value$893.36M
33.98%
Sole
0.00
Shared
0.00
None
4.47M
AMERICAN CENTY ETF TR
SOLEShares2.82M
TypeSH
Market value$352.33M
13.40%
Sole
0.00
Shared
0.00
None
2.82M
VANGUARD INTL EQUITY INDEX F
SOLEShares1.90M
TypeSH
Market value$293.57M
11.17%
Sole
0.00
Shared
0.00
None
1.90M
AMERICAN CENTY ETF TR
SOLEShares3.55M
TypeSH
Market value$260.58M
9.91%
Sole
0.00
Shared
0.00
None
3.55M
T ROWE PRICE EXCHANGE-TRADED
SOLEShares5.65M
TypeSH
Market value$258.16M
9.82%
Sole
0.00
Shared
0.00
None
5.65M
AMERICAN CENTY ETF TR
SOLEShares2.35M
TypeSH
Market value$242.29M
9.22%
Sole
0.00
Shared
0.00
None
2.35M
VANGUARD INDEX FDS
SOLEShares282.25K
TypeSH
Market value$68.58M
2.61%
Sole
0.00
Shared
0.00
None
282.25K
T ROWE PRICE EXCHANGE-TRADED
SOLEShares1.81M
TypeSH
Market value$56.15M
2.14%
Sole
0.00
Shared
0.00
None
1.81M
CAPITAL GROUP DIVIDEND VALUE
SOLEShares844.70K
TypeSH
Market value$41.63M
1.58%
Sole
0.00
Shared
0.00
None
844.70K
CAPITAL GROUP INTL FOCUS EQT
SOLEShares892.69K
TypeSH
Market value$30.91M
1.18%
Sole
0.00
Shared
0.00
None
892.69K
PIMCO ETF TR
SOLEShares275.60K
TypeSH
Market value$27.78M
1.06%
Sole
0.00
Shared
0.00
None
275.60K
CAPITAL GROUP GROWTH ETF
SOLEShares414.71K
TypeSH
Market value$19.57M
0.74%
Sole
0.00
Shared
0.00
None
414.71K
AMERICAN CENTY ETF TR
SOLEShares192.12K
TypeSH
Market value$10.46M
0.40%
Sole
0.00
Shared
0.00
None
192.12K
DIMENSIONAL ETF TRUST
SOLEShares120.47K
TypeSH
Market value$8.42M
0.32%
Sole
0.00
Shared
0.00
None
120.47K
VANGUARD INTL EQUITY INDEX F
SOLEShares175.71K
TypeSH
Market value$7.88M
0.30%
Sole
0.00
Shared
0.00
None
175.71K
STATE STR SPDR S&P 500 ETF T
SOLEShares5.26K
TypeSH
Market value$3.93M
0.15%
Sole
0.00
Shared
0.00
None
5.26K
VANGUARD INDEX FDS
SOLEShares45.08K
TypeSH
Market value$3.88M
0.15%
Sole
0.00
Shared
0.00
None
45.08K
ISHARES TR
SOLEShares33.78K
TypeSH
Market value$2.59M
0.10%
Sole
0.00
Shared
0.00
None
33.78K
SCHWAB STRATEGIC TR
SOLEShares44.93K
TypeSH
Market value$2.37M
0.09%
Sole
0.00
Shared
0.00
None
44.93K
EXXON MOBIL CORP
SOLEShares16.18K
TypeSH
Market value$2.21M
0.08%
Sole
0.00
Shared
0.00
None
16.18K
VANGUARD INDEX FDS
SOLEShares9.60K
TypeSH
Market value$2.09M
0.08%
Sole
0.00
Shared
0.00
None
9.60K
ISHARES TR
SOLEShares14.82K
TypeSH
Market value$1.84M
0.07%
Sole
0.00
Shared
0.00
None
14.82K
DIMENSIONAL ETF TRUST
SOLEShares38.48K
TypeSH
Market value$1.71M
0.06%
Sole
0.00
Shared
0.00
None
38.48K
CHEVRON CORPORATION
SOLEShares9.87K
TypeSH
Market value$1.64M
0.06%
Sole
0.00
Shared
0.00
None
9.87K
VANGUARD SCOTTSDALE FDS
SOLEShares25.92K
TypeSH
Market value$1.51M
0.06%
Sole
0.00
Shared
0.00
None
25.92K
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
ISHARES TRSOLE | MSCI USA VALUE | 4.47M | SH | $893.36M 33.98% | 0.00 | 0.00 | 4.47M |
AMERICAN CENTY ETF TRSOLE | US SML CP VALU | 2.82M | SH | $352.33M 13.40% | 0.00 | 0.00 | 2.82M |
VANGUARD INTL EQUITY INDEX FSOLE | FTSE SMCAP ETF | 1.90M | SH | $293.57M 11.17% | 0.00 | 0.00 | 1.90M |
AMERICAN CENTY ETF TRSOLE | AVAN US SMAL ETF | 3.55M | SH | $260.58M 9.91% | 0.00 | 0.00 | 3.55M |
T ROWE PRICE EXCHANGE-TRADEDSOLE | GROWTH ETF | 5.65M | SH | $258.16M 9.82% | 0.00 | 0.00 | 5.65M |
AMERICAN CENTY ETF TRSOLE | INTL SMCP VLU | 2.35M | SH | $242.29M 9.22% | 0.00 | 0.00 | 2.35M |
VANGUARD INDEX FDSSOLE | SM CP VAL ETF | 282.25K | SH | $68.58M 2.61% | 0.00 | 0.00 | 282.25K |
T ROWE PRICE EXCHANGE-TRADEDSOLE | NATURAL RES ETF | 1.81M | SH | $56.15M 2.14% | 0.00 | 0.00 | 1.81M |
CAPITAL GROUP DIVIDEND VALUESOLE | SHS CREAT UNIT | 844.70K | SH | $41.63M 1.58% | 0.00 | 0.00 | 844.70K |
CAPITAL GROUP INTL FOCUS EQTSOLE | SHS CREAT UNIT | 892.69K | SH | $30.91M 1.18% | 0.00 | 0.00 | 892.69K |
PIMCO ETF TRSOLE | ENHAN SHRT MA AC | 275.60K | SH | $27.78M 1.06% | 0.00 | 0.00 | 275.60K |
CAPITAL GROUP GROWTH ETFSOLE | SHS CREAT UNIT | 414.71K | SH | $19.57M 0.74% | 0.00 | 0.00 | 414.71K |
AMERICAN CENTY ETF TRSOLE | AVAN TOTA EQ ETF | 192.12K | SH | $10.46M 0.40% | 0.00 | 0.00 | 192.12K |
DIMENSIONAL ETF TRUSTSOLE | US TARGETED VLU | 120.47K | SH | $8.42M 0.32% | 0.00 | 0.00 | 120.47K |
VANGUARD INTL EQUITY INDEX FSOLE | GLB EX US ETF | 175.71K | SH | $7.88M 0.30% | 0.00 | 0.00 | 175.71K |
STATE STR SPDR S&P 500 ETF TSOLE | TR UNIT | 5.26K | SH | $3.93M 0.15% | 0.00 | 0.00 | 5.26K |
VANGUARD INDEX FDSSOLE | GROWTH ETF | 45.08K | SH | $3.88M 0.15% | 0.00 | 0.00 | 45.08K |
ISHARES TRSOLE | EAFE VALUE ETF | 33.78K | SH | $2.59M 0.10% | 0.00 | 0.00 | 33.78K |
SCHWAB STRATEGIC TRSOLE | FUNDAMENTAL INTL | 44.93K | SH | $2.37M 0.09% | 0.00 | 0.00 | 44.93K |
EXXON MOBIL CORPSOLE | COM | 16.18K | SH | $2.21M 0.08% | 0.00 | 0.00 | 16.18K |
VANGUARD INDEX FDSSOLE | VALUE ETF | 9.60K | SH | $2.09M 0.08% | 0.00 | 0.00 | 9.60K |
ISHARES TRSOLE | RUS 1000 GRW ETF | 14.82K | SH | $1.84M 0.07% | 0.00 | 0.00 | 14.82K |
DIMENSIONAL ETF TRUSTSOLE | US COR EQU 2 ETF | 38.48K | SH | $1.71M 0.06% | 0.00 | 0.00 | 38.48K |
CHEVRON CORPORATIONSOLE | COM | 9.87K | SH | $1.64M 0.06% | 0.00 | 0.00 | 9.87K |
VANGUARD SCOTTSDALE FDSSOLE | SHORT TERM TREAS | 25.92K | SH | $1.51M 0.06% | 0.00 | 0.00 | 25.92K |
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