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SEC Form 13F

MainStreet Investment Advisors LLC 13F Holdings

Inspect MainStreet Investment Advisors LLC's 2026-06-30 SEC 13F positions, public filing date, amendments and original receipt.

As of 2026-08-13T03:59:59.999Z

Report period
2026-06-30
Publicly available
2026-08-13
Reported value
$734,263,936
Positions
166
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iShares Core S&P Mid-Cap ETFIJHETF$45,954,398595,959SHNone

First displayed source row from Disclosed positions. The full bounded history and coverage notes remain below.

The displayed observation date is 2026-06-30 and its public availability date is 2026-08-13. Subtracting those calendar dates gives 44 days of disclosure lag. Historical public research can use the record from the availability date, rather than backdating knowledge to the observation date. The calendar-day difference does not assert an intraday publication time.

Read the amount together with its Unit and Option columns. A reported put or call position is not an option premium paid, and a quarterly holding is not a purchase made on its public filing date. Check every accession in the effective amendment lineage below: a retained holding can originate in an earlier filing rather than the latest linked amendment.

Open the linked original receipts to verify the row, then inspect a second record before drawing a pattern. This public filing observation supplies source evidence, not a completed copy-trading return.

Disclosed positions

Inspect all 50 displayed rows: Disclosed positions

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iShares Core S&P Mid-Cap ETFIJHETF$45,954,398595,959SHNone
iShares MSCI EAFE ETFEFAETF$42,053,325404,826SHNone
Apple IncAAPLCommon Stock$37,345,812129,063SHNone
Vanguard Short-Term Treasury EVGSHETF$29,211,919501,923SHNone
Microsoft CorpMSFTCommon Stock$25,321,71767,883SHNone
Alphabet IncGOOGLCommon Stock$22,411,03062,711SHNone
iShares Core S&P Small-Cap ETFIJRETF$21,345,072143,922SHNone
JPMorgan Chase & CoJPMCommon Stock$20,621,46362,999SHNone
iShares Core S&P 500 ETFIVVETF$17,350,28423,168SHNone
Caterpillar IncCATCommon Stock$17,317,40416,262SHNone
Blackrock IncBLKCommon Stock$16,244,59516,894SHNone
Johnson & JohnsonJNJCommon Stock$16,048,36463,190SHNone
Broadcom IncAVGOCommon Stock$15,866,63342,003SHNone
NVIDIA CorpNVDACommon Stock$15,342,70176,679SHNone
Vanguard Intermediate-Term TreVGITETF$14,920,642252,978SHNone
AbbVie IncABBVCommon Stock$13,524,14053,744SHNone
Amazon.com IncAMZNCommon Stock$11,939,40450,094SHNone
Vanguard FTSE Emerging MarketsVWOETF$11,139,646186,625SHNone
Procter & Gamble Co/ThePGCommon Stock$10,663,22172,717SHNone
Waste Management IncWMCommon Stock$9,863,55444,255SHNone
Home Depot Inc/TheHDCommon Stock$9,679,65527,446SHNone
Chevron CorpCVXCommon Stock$9,072,04554,730SHNone
Cisco Systems IncCSCOCommon Stock$8,336,72470,975SHNone
McDonald's CorpMCDCommon Stock$7,692,21228,457SHNone
PepsiCo IncPEPCommon Stock$7,238,61953,461SHNone
Microchip Technology IncMCHPCommon Stock$7,034,80377,136SHNone
Emerson Electric CoEMRCommon Stock$6,907,56048,254SHNone
Palo Alto Networks IncPANWCommon Stock$6,616,12919,401SHNone
Goldman Sachs Group Inc/TheGSCommon Stock$6,480,8596,408SHNone
Southern Co/TheSOCommon Stock$6,309,29965,921SHNone
Lockheed Martin CorpLMTCommon Stock$5,868,97911,520SHNone
US BancorpUSBCommon Stock$5,361,52788,767SHNone
Visa IncVCommon Stock$5,347,40115,586SHNone
Altria Group IncMOCommon Stock$5,265,01373,176SHNone
American Electric Power Co IncAEPCommon Stock$5,207,39938,063SHNone
Vanguard Total Bond Market ETFBNDETF$4,929,04167,144SHNone
Tesla IncTSLACommon Stock$4,846,57411,523SHNone
QUALCOMM IncQCOMCommon Stock$4,763,70125,779SHNone
Walmart IncWMTCommon Stock$4,652,94741,082SHNone
International Business MachineIBMCommon Stock$4,537,60516,136SHNone
Cummins IncCMICommon Stock$4,434,7406,218SHNone
Meta Platforms IncMETACommon Stock$4,430,2767,865SHNone
Paychex IncPAYXCommon Stock$4,320,32543,937SHNone
Enbridge IncENBCommon Stock$4,315,33379,604SHNone
Marriott International Inc/MDMARCommon Stock$4,299,21511,601SHNone
Cadence Design Systems IncCDNSCommon Stock$4,136,02611,020SHNone
Honeywell International IncHONCommon Stock$4,135,09718,469SHNone
Honeywell Aerospace IncHONACommon Stock$4,125,24218,660SHNone
iShares MSCI ACWI ETFACWIETF$4,037,11125,719SHNone
Merck & Co IncMRKCommon Stock$4,000,33431,131SHNone

Largest 50 positions by reported value; the filing may contain more positions.

How amendments affect these holdings

This view uses 1 effective filing version(s). A restatement replaces the previous book; a new-holdings amendment adds positions. 0 positions lack a resolved ticker and 0 positions are put or call entries.

The displayed holdings combine the effective filing versions listed here. The latest receipt linked below identifies the current projection version; it is not proof that every retained holding originated in that latest amendment. Inspect all effective accessions when verifying a position's source.

A 13F is a delayed quarterly snapshot of disclosed holdings. It is not a complete trade ledger and does not reveal every position in a manager's portfolio. Option values refer to the reported underlying position rather than a traded option premium.

Effective SEC accessionRole in this view
0001765380-26-000357Latest effective version

Quarter end and public filing date

Use the filing's public availability date when constructing a historical observation. The quarter-end report period is earlier and cannot be substituted for when the public learned the holdings.