Mason Investment Advisory Services, Inc.

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CIK 1635007

13F portfolio (2026-Q1)

$2.2B

Positions

Implied 1Y CAGR

modeled · as filed

Long positions in SEC Section 13(f) securities (US-listed stocks, ADRs and ETFs), largest first · Δ vs 2025-Q4. A lagged quarterly snapshot (filed ≤45 days after quarter-end); excludes shorts, options, cash, and shares listed only on non-US exchanges — foreign companies held via a US listing or ADR (e.g. Alibaba, TSMC) ARE included.

Implied return what this book implies · modeled, not advice methodology →

Open in PORT →

As filed = each book applied at its quarter-end (what the reported book did) · As copyable = applied at its statutory 45-day filing deadline (what a 13F follower could have earned).

Computing…

Hypothetical modeled performance constructed with hindsight — not actual results, and not indicative of future results. See the Disclaimer.

Exposures · what this manager owns, by sector & size (2026-Q1)

Holdings

Top 5

79.0%

Top 10

96.0%

Effective N

6.1

HHI

0.165

This quarter

3 new · 0 exit →

By sector

Unclassified99.5%

Energy0.2%

Information Technology0.1%

Consumer Discretionary0.0%

Communication Services0.0%

Consumer Staples0.0%

Financials0.0%

Health Care0.0%

By market cap

Unknown99.5%

Mega (>$200B)0.4%

Mid ($2–10B)0.0%

Large ($10–200B)0.0%

Small ($300M–2B)0.0%

By region

Other99.5%

North America0.5%

Asia-Pacific0.0%

By industry group GICS — finer than sector

Industry group	Weight	Names
Unclassified	99.47%	62
Oil, Gas & Consumable Fuels	0.23%	2
Technology Hardware & Equipment	0.09%	2
Specialty Retail	0.05%	3
Software	0.05%	2
Software & IT Services	0.04%	2
Food & Staples Retailing	0.03%	1
Pharmaceuticals & Biotechnology	0.01%	2
Commercial Services & Supplies	0.01%	1
Food Products	0.01%	1
Semiconductors & Semiconductor Equipment	0.01%	1

Top holdings

#	Ticker	Name	Sector	Weight
1	VLUE	ISHARES TR	Unclassified	30.50%
2	AVUV	AMERICAN CENTY ETF TR	Unclassified	14.45%
3	VSS	VANGUARD INTL EQUITY INDEX F	Unclassified	12.83%
4	AVDV	AMERICAN CENTY ETF TR	Unclassified	10.88%
5	AVSC	AMERICAN CENTY ETF TR	Unclassified	10.32%
6	TGRT	T ROWE PRICE ETF INC	Unclassified	10.19%
7	VBR	VANGUARD INDEX FDS	Unclassified	2.84%
8	CGDV	CAPITAL GROUP DIVIDEND VALUE	Unclassified	1.58%
9	MINT	PIMCO ETF TR	Unclassified	1.29%
10	CGXU	Capital Group International Focus - ETF	Unclassified	1.11%

18/79 names classified · sector 0.5% of weight · industry 0.5% · mkt cap 0.5%; unclassified names shown, never dropped.

Sector allocation over time · how the GICS mix & top names shifted quarter by quarter

top 5/sector, rest → “Other” · 29 quarters

FinancialsBAC, CI, ICE, USB, AON · other

Information TechnologyMSFT, AAPL, MSI, NXPI, CSCO · other

IndustrialsHON, GD, DY, ACN, CAT · other

EnergyARLP, CVX, EOG, COP, SLB · other

Communication ServicesGOOG, CMCSA, DIS, VZ, GOOGL

Health CareMDT, MRK, ABT, LLY, GILD · other

Consumer DiscretionaryDLTR, AAP, AMZN, GM, WMT · other

Consumer StaplesMDLZ, ACI, BUD, KO, KR · other

MaterialsPG, VMC, FMC, AVY

UtilitiesNEE, WEC, DTE, DTM

Real EstateRYN, CBRE, NLY

UnclassifiedVLUE, VSS, AVUV, VBR, TGRT · other

Sector is classified on each name's CURRENT fundamentals, not point-in-time — apparent sector drift can reflect the market re-rating a holding, not a manager trade. 13F is a lagged quarterly snapshot of long positions in US-listed securities only — foreign companies held via a US listing or ADR ARE included, but shares listed only on non-US exchanges (plus shorts, options and cash) are not. Latest quarter: 0.5% of the book is sector-classified (unclassified names shown, never dropped).

Style box · size × value-growth placement of the reported book (2026-Q1), classified on current fundamentals (not point-in-time) — load it into PORT to overlay your own portfolio

Only 1% of book weight classified — the grid is NOT representative of the whole book.

holdings, colored by sector (15 classified)Mason Investment Advisory Services, Inc. centroid (Large Core)

EnergyInformation TechnologyConsumer DiscretionaryCommunication ServicesConsumer StaplesHealth CareFinancials

Style box summary for Mason Investment Advisory Services, Inc.: centroid Large Core. Heaviest cells: Large Value 0.2%, Large Growth 0.2%, Small Value 0.0%.

Classified: 0.5% of book weight (15/79 names) · unclassified 99.5%: VLUE, AVUV, VSS, AVDV, AVSC, TGRT, VBR, CGDV, MINT, CGXU +54 more. Size: cap 70/20/10 bands; style: value/growth composite on our own metrics — not Morningstar's model.

Contribution holdings-based, any period

No contribution data for this period.

Holdings· 79 positions (2026-Q1) · largest first · Δ vs 2025-Q4

#	Security	Shares	Value	Weight	Δ QoQ
1	VLUEISHARES TR	4,644,885	$660M	30.5%	HOLD
2	AVUVAMERICAN CENTY ETF TR	2,833,098	$313M	14.5%	HOLD
3	VSSVANGUARD INTL EQUITY INDEX F	1,905,214	$278M	12.8%	HOLD
4	AVDVAMERICAN CENTY ETF TR	2,360,214	$236M	10.9%	TRIM −2%
5	AVSCAMERICAN CENTY ETF TR	3,585,892	$223M	10.3%	HOLD
6	TGRTT ROWE PRICE ETF INC	5,616,586	$221M	10.2%	ADD 4%
7	VBRVANGUARD INDEX FDS	283,035	$61M	2.8%	HOLD
8	CGDVCAPITAL GROUP DIVIDEND VALUE	803,438	$34M	1.6%	HOLD
9	MINTPIMCO ETF TR	278,155	$28M	1.3%	TRIM −8%
10	CGXUCapital Group International Focus - ETF	811,694	$24M	1.1%	ADD 15%
11	CGGRCAPITAL GROUP GROWTH ETF	365,075	$15M	0.7%	ADD 28%
12	AVTMAMERICAN CENTY ETF TR	204,758	$10M	0.4%	NEW
13	DFATDIMENSIONAL ETF TRUST	120,255	$8M	0.3%	HOLD
14	VNQIVANGUARD INTL EQUITY INDEX F	160,127	$7M	0.3%	HOLD
15	SPYSTATE STR SPDR S&P 500 ETF T	5,251	$3M	0.2%	HOLD
16	XOMEXXON MOBIL CORP	16,274	$3M	0.1%	HOLD
17	EFVISHARES TR	33,071	$2M	0.1%	HOLD
18	FNDFSCHWAB STRATEGIC TR	44,934	$2M	0.1%	HOLD
19	CVXCHEVRON CORP NEW	10,257	$2M	0.1%	HOLD
20	VUGVANGUARD INDEX FDS	4,163	$2M	0.1%	ADD 149%
21	DFACDIMENSIONAL ETF TRUST	38,485	$1M	0.1%	HOLD
22	VGSHVANGUARD SHORT-TERM TREASURY ETF	25,246	$1M	0.1%	HOLD
23	AAPLAPPLE INC	4,968	$1M	0.1%	HOLD
24	AOAISHARES TR	13,444	$1M	0.1%	ADD 17%
25	EZMWISDOMTREE TR	17,434	$1M	0.1%	HOLD
26	VDEVANGUARD WORLD FD	6,667	$1M	0.1%	ADD 2%
27	MDYSPDR S&P MIDCAP 400 ETF TR	1,758	$1M	0.1%	HOLD
28	VTIVANGUARD INDEX FDS	3,294	$1M	0.0%	HOLD
29	SPYMSPDR SERIES TRUST	12,988	$994,102	0.0%	HOLD
30	VIGVANGUARD SPECIALIZED FUNDS	4,459	$958,881	0.0%	HOLD
31	SPYVSPDR SERIES TRUST	16,634	$941,130	0.0%	HOLD
32	SCZISHARES TR	11,818	$926,611	0.0%	HOLD
33	GNRSPDR INDEX SHS FDS	11,857	$885,358	0.0%	HOLD
34	VTVVANGUARD INDEX FDS	4,203	$824,645	0.0%	ADD 13%
35	MSFTMICROSOFT CORP	2,158	$798,765	0.0%	HOLD
36	VTEBVANGUARD MUN BD FDS	15,319	$764,287	0.0%	ADD 13%
37	IWFISHARES TR	1,766	$753,141	0.0%	HOLD
38	VNQVANGUARD INDEX FDS	8,147	$722,596	0.0%	TRIM −2%
39	ACIALBERTSONS COS INC	42,219	$719,417	0.0%	HOLD
40	IVVISHARES TR	1,090	$712,108	0.0%	TRIM −6%
41	VXFVANGUARD INDEX FDS	3,250	$668,752	0.0%	HOLD
42	VYMVANGUARD WHITEHALL FDS	4,384	$649,248	0.0%	TRIM −4%
43	VAWVANGUARD WORLD FD	2,804	$631,926	0.0%	HOLD
44	ANETARISTA NETWORKS INC	4,955	$608,375	0.0%	TRIM −14%
45	VVVANGUARD INDEX FDS	1,782	$532,551	0.0%	TRIM −16%
46	GOOGALPHABET INC	1,856	$532,399	0.0%	TRIM −18%
47	VOOVANGUARD INDEX FDS	831	$496,799	0.0%	TRIM −2%
48	IJHISHARES TR	7,319	$494,262	0.0%	HOLD
49	GOOGLALPHABET INC	1,534	$441,157	0.0%	TRIM −23%
50	IWDISHARES TR	2,022	$432,062	0.0%	TRIM −43%
51	COSTCOSTCO WHSL CORP NEW	427	$425,803	0.0%	HOLD
52	IWRISHARES TR	4,288	$416,890	0.0%	HOLD
53	VCITVANGUARD SCOTTSDALE FDS	4,517	$373,747	0.0%	HOLD
54	TIPISHARES TR	3,266	$360,381	0.0%	HOLD
55	AMZNAMAZON COM INC	1,670	$347,811	0.0%	ADD 3%
56	DLNWISDOMTREE TR	3,738	$333,928	0.0%	HOLD
57	VYMIVANGUARD WHITEHALL FDS	3,514	$331,159	0.0%	HOLD
58	SCHPSCHWAB STRATEGIC TR	12,310	$327,561	0.0%	HOLD
59	XLESELECT SECTOR SPDR TR	5,317	$325,719	0.0%	TRIM −13%
60	IQDGWISDOMTREE TR	7,748	$311,007	0.0%	HOLD
61	VEAVANGUARD TAX-MANAGED FDS	4,823	$309,054	0.0%	HOLD
62	ITOTISHARES TR	2,138	$304,474	0.0%	HOLD
63	JULWAIM ETF PRODUCTS TRUST	7,685	$298,268	0.0%	HOLD
64	HDHOME DEPOT INC	819	$269,483	0.0%	ADD 4%
65	IUSVISHARES TR	2,620	$267,888	0.0%	HOLD
66	GWXSPDR INDEX SHS FDS	6,221	$262,714	0.0%	HOLD
67	LLYELI LILLY & CO	285	$262,385	0.0%	ADD 6%
68	GLDMWORLD GOLD TR	2,774	$257,122	0.0%	HOLD
69	SCHHSCHWAB STRATEGIC TR	11,165	$239,928	0.0%	HOLD
70	VVISA INC	792	$239,254	0.0%	HOLD
71	PYZINVESCO EXCHANGE TRADED FD T	1,931	$231,385	0.0%	HOLD
72	INGRINGREDION INC	2,051	$231,115	0.0%	ADD 9%
73	BRK.BBERKSHIRE HATHAWAY INC DEL	481	$230,495	0.0%	HOLD
74	TURFT ROWE PRICE NATURAL RESOURCES	6,367	$223,156	0.0%	NEW
75	INTUINTUIT	503	$217,465	0.0%	ADD 9%
76	IWYISHARES TR	828	$206,040	0.0%	HOLD
77	TSMTAIWAN SEMICONDUCTOR MFG LTD	601	$203,143	0.0%	NEW
78	VTESVANGUARD WELLINGTON FD	1,979	$200,160	0.0%	HOLD
79	PGENPRECIGEN INC	10,000	$38,700	0.0%	HOLD

Position trends· top 15 holdings · shares held over 6 quarters

green added · red trimmed

Security

2024-Q4

2025-Q1

2025-Q2

2025-Q3

2025-Q4

2026-Q1

Latest value

VLUEISHARES TR

4.6M

4.7M

4.6M

$660M

AVUVAMERICAN CENTY ETF TR

2.7M

2.8M

$313M

VSSVANGUARD INTL EQUITY INDEX F

1.9M

$278M

AVDVAMERICAN CENTY ETF TR

2.4M

2.5M

2.4M

$236M

AVSCAMERICAN CENTY ETF TR

3.4M

3.5M

3.6M

$223M

TGRTT ROWE PRICE ETF INC

5.5M

5.4M

5.5M

5.4M

5.6M

$221M

VBRVANGUARD INDEX FDS

283K

281K

285K

283K

$61M

CGDVCAPITAL GROUP DIVIDEND VALUE

324K

379K

444K

476K

789K

803K

$34M

MINTPIMCO ETF TR

578K

533K

485K

486K

301K

278K

$28M

CGXUCapital Group International Focus - ETF

306K

212K

304K

624K

707K

812K

$24M

CGGRCAPITAL GROUP GROWTH ETF

149K

186K

240K

257K

284K

365K

$15M

AVTMAMERICAN CENTY ETF TR

—

205K

$10M

DFATDIMENSIONAL ETF TRUST

119K

120K

$8M

VNQIVANGUARD INTL EQUITY INDEX F

164K

170K

161K

162K

160K

$7M

SPYSTATE STR SPDR S&P 500 ETF T

$3M

Shares reported each quarter by the largest current holdings. Green = added vs the prior filing of that name, red = trimmed, grey = roughly held; a dash is a quarter with no 13F on file (a gap is skipped, not read as an exit). 13F is filed up to 45 days after quarter-end. Up to 40 quarters (10 years) available — use the selector above.

☆Mason Investment Advisory Services, Inc.