MainStreet Investment Advisors LLC
In its 13F for Q2 2026 (holdings as of June 30, 2026, filed August 12, 2026), MainStreet Investment Advisors LLC reported 166 stock positions worth $734.3 million. Its top holding was iShares Core S&P Midcap ETF (IJH) at 6.3% of the portfolio, followed by iShares MSCI Eafe ETF (EFA, 5.7%) and Apple (AAPL, 5.1%). Compared with Q1 2026, it opened 10 new positions, sold out of 3, added to 83 and reduced 65. The biggest buy was iShares Core S&P 500 ETF (IVV, shares +29%) and the biggest sale Genuine Parts (GPC, shares −94%).
- Most Recent 13F
- Q2 2026
- Location
- CHICAGO, IL
- CIK
- 0001729854
- Portfolio Value
- $734.3M (Q2 2026)
- SEC Filing
- 0001765380-26-000357 ↗ filed Aug 12, 2026
Holdings Value
Holdings 166 stocks · $734.3M
| IJH iShares Core S&P Midcap ETF | 6.26% | 595,959 | $46.0M | Reduce -6.2% |
| EFA iShares MSCI Eafe ETF | 5.73% | 404,826 | $42.1M | Reduce -2.2% |
| AAPL Apple Inc. | 5.09% | 129,063 | $37.3M | Reduce -3.2% |
| VGSH Vanguard Short-Term Treasury | 3.98% | 501,923 | $29.2M | Add +0.3% |
| MSFT Microsoft Corp. | 3.45% | 67,883 | $25.3M | Reduce -0.1% |
| GOOGL Alphabet Inc. Class A | 3.05% | 62,711 | $22.4M | Reduce -8.9% |
| IJR iShares Core S&P Small-Cap E | 2.91% | 143,922 | $21.3M | Reduce -6.5% |
| JPM JPMorgan Chase & Co. | 2.81% | 62,999 | $20.6M | Reduce -0.3% |
| IVV iShares Core S&P 500 ETF | 2.36% | 23,168 | $17.4M | Add +29.4% |
| CAT Caterpillar Inc. | 2.36% | 16,262 | $17.3M | Reduce -12.4% |
| BLK BlackRock Inc. | 2.21% | 16,894 | $16.2M | Reduce -0.8% |
| JNJ Johnson & Johnson | 2.19% | 63,190 | $16.0M | Add +0.5% |
| AVGO Broadcom Inc. | 2.16% | 42,003 | $15.9M | Add +1.4% |
| NVDA Nvidia Corp. | 2.09% | 76,679 | $15.3M | Add +1.9% |
| VGIT Vanguard Intermediate-Term T | 2.03% | 252,978 | $14.9M | Add +5.4% |
| ABBV Abbvie Inc. | 1.84% | 53,744 | $13.5M | Reduce -0.2% |
| AMZN Amazon.com Inc. | 1.63% | 50,094 | $11.9M | Reduce -1.5% |
| VWO Vanguard Ftse Emerging Marke | 1.52% | 186,625 | $11.1M | Reduce -2.7% |
| PG The Procter & Gamble Co. | 1.45% | 72,717 | $10.7M | Reduce -0.0% |
| WM Waste Management Inc. | 1.34% | 44,255 | $9.9M | Add +0.2% |
| HD Home Depot Inc. | 1.32% | 27,446 | $9.7M | Add +0.1% |
| CVX Chevron Corp. | 1.24% | 54,730 | $9.1M | Add +2.5% |
| CSCO Cisco Systems Inc. | 1.14% | 70,975 | $8.3M | Reduce -1.0% |
| MCD McDonald's Corp. | 1.05% | 28,457 | $7.7M | Add +1.1% |
| PEP Pepsico Inc. | 0.99% | 53,461 | $7.2M | Reduce -2.1% |
| MCHP Microchip Technology Inc. | 0.96% | 77,136 | $7.0M | Reduce -0.1% |
| EMR Emerson Electric Co. | 0.94% | 48,254 | $6.9M | Add +1.2% |
| PANW Palo Alto Networks Inc. | 0.90% | 19,401 | $6.6M | Add +0.7% |
| GS Goldman Sachs Group Inc. | 0.88% | 6,408 | $6.5M | Add +4.3% |
| SO The Southern Co. | 0.86% | 65,921 | $6.3M | Add +2.6% |
| LMT Lockheed Martin Corp. | 0.80% | 11,520 | $5.9M | Add +1.5% |
| USB US Bancorp | 0.73% | 88,767 | $5.4M | Add +2.3% |
| V Visa Inc. Class A | 0.73% | 15,586 | $5.3M | Reduce -1.6% |
| MO Altria Group Inc. | 0.72% | 73,176 | $5.3M | Add +3.0% |
| AEP American Electric Power | 0.71% | 38,063 | $5.2M | Add +4.6% |
| BND Vanguard Total Bond Market | 0.67% | 67,144 | $4.9M | Add +7.7% |
| TSLA Tesla Inc. | 0.66% | 11,523 | $4.8M | Add +0.0% |
| QCOM Qualcomm Inc. | 0.65% | 25,779 | $4.8M | Reduce -0.7% |
| WMT Walmart Inc. | 0.63% | 41,082 | $4.7M | Add +1.2% |
| IBM Intl Business Machines Corp. filed as INTERNATIONAL BUSINESS MACHS | 0.62% | 16,136 | $4.5M | Add +2.5% |
| CMI Cummins Inc. | 0.60% | 6,218 | $4.4M | Reduce -0.7% |
| META Meta Platforms Inc. Class A | 0.60% | 7,865 | $4.4M | Reduce -9.6% |
| PAYX Paychex Inc. | 0.59% | 43,937 | $4.3M | Reduce -3.0% |
| ENB Enbridge Inc. | 0.59% | 79,604 | $4.3M | Add +6.3% |
| MAR Marriott International Class A | 0.59% | 11,601 | $4.3M | Reduce -1.2% |
| CDNS Cadence Design SYS Inc. | 0.56% | 11,020 | $4.1M | Reduce -1.5% |
| HON Honeywell International Inc. | 0.56% | 18,469 | $4.1M | Add +0.6% |
| HONA Honeywell Aerospace Inc. | 0.56% | 18,660 | $4.1M | Add +1.7% |
| ACWI iShares MSCI Acwi ETF | 0.55% | 25,719 | $4.0M | Reduce -1.5% |
| MRK Merck & Co. Inc. | 0.54% | 31,131 | $4.0M | Add +1.3% |
| PRU Prudential Financial Inc. | 0.54% | 36,997 | $4.0M | Add +1.0% |
| MS Morgan Stanley | 0.54% | 18,809 | $3.9M | Reduce -2.4% |
| MRVL Marvell Technology Inc. | 0.52% | 12,801 | $3.8M | Add +0.5% |
| GD General Dynamics Corp. | 0.50% | 10,368 | $3.7M | Add +0.5% |
| CME Cme Group Inc. | 0.46% | 15,272 | $3.4M | Add +2.5% |
| MDT Medtronic PLC | 0.46% | 42,878 | $3.4M | Reduce -1.8% |
| BNY Bank of New York Mellon Corp. | 0.45% | 22,646 | $3.3M | Add +2.4% |
| APD Air Products & Chemicals Inc. | 0.44% | 11,084 | $3.2M | Add +880.0% |
| VZ Verizon Communications Inc. | 0.44% | 76,691 | $3.2M | Add +5.1% |
| AMD Advanced Micro Devices | 0.44% | 5,582 | $3.2M | Add +14.8% |
| SCHD Schwab US DVD Equity ETF | 0.44% | 101,816 | $3.2M | Add +5.8% |
| INGR Ingredion Inc. | 0.43% | 33,383 | $3.2M | Add +2.8% |
| SYY Sysco Corp. | 0.42% | 37,234 | $3.1M | Add +1.7% |
| DE Deere & Co. | 0.42% | 4,837 | $3.1M | Add +1.4% |
| LLY Eli Lilly & Co. | 0.41% | 2,519 | $3.0M | Add +2.5% |
| BAC Bank of America Corp. | 0.39% | 50,736 | $2.9M | Reduce -1.5% |
| EFIV SS SPDR S&P 500 ESG ETF | 0.38% | 38,274 | $2.8M | Add +2.1% |
| PREF Pri Spe Pre Sec Acti-Usd Inc. | 0.36% | 137,845 | $2.6M | Reduce -1.8% |
| ICE Intercontinental Exchange Inc. | 0.33% | 19,645 | $2.4M | Reduce -0.0% |
| HGER Harbor Commodity All Weather | 0.32% | 79,741 | $2.3M | New |
| NEE Nextera Energy Inc. | 0.32% | 26,529 | $2.3M | Add +0.7% |
| PFE Pfizer Inc. | 0.31% | 93,983 | $2.3M | Add +12.6% |
| IEFA iShares Core MSCI Eafe ETF | 0.31% | 23,237 | $2.2M | Add +209.4% |
| IAU iShares Gold Trust | 0.29% | 28,550 | $2.2M | Add +106.5% |
| RTX RTX Corp. | 0.28% | 10,939 | $2.1M | Reduce -0.3% |
| SMMD iShares Russell 2500 ETF | 0.27% | 21,978 | $2.0M | Add +480.8% |
| IEMG iShares Core MSCI Emerging | 0.26% | 22,967 | $1.9M | Add +98.2% |
| TMO Thermo Fisher Scientific Inc. | 0.25% | 3,706 | $1.9M | Add +3.1% |
| URI United Rentals Inc. | 0.25% | 1,630 | $1.8M | Add +5.3% |
| PSA Public Storage | 0.25% | 5,685 | $1.8M | Reduce -58.5% |
| SPSB SS SPDR P St C Corp. ETF | 0.24% | 58,812 | $1.8M | Add +5.7% |
| SYK Stryker Corp. | 0.23% | 5,436 | $1.7M | Reduce -5.9% |
| GOOG Alphabet Inc. Class C | 0.23% | 4,749 | $1.7M | Reduce -9.5% |
| DVY iShares Select Dividend ETF | 0.23% | 10,710 | $1.7M | Add +14.3% |
| BRK.B Berkshire Hathaway Inc. Class B | 0.22% | 3,258 | $1.6M | Reduce -2.9% |
| ORCL Oracle Corp. | 0.22% | 10,888 | $1.6M | Add +0.8% |
| HSY The Hershey Co. | 0.21% | 8,900 | $1.6M | Add +106.5% |
| CMCSA Comcast Corp. Class A | 0.21% | 63,103 | $1.5M | Add +4.1% |
| ETN Eaton Corp. PLC | 0.21% | 3,590 | $1.5M | Add +23.9% |
| AXP American Express Co. | 0.20% | 4,447 | $1.5M | Reduce -4.8% |
| AMAT Applied Materials Inc. | 0.20% | 2,054 | $1.5M | Reduce -1.8% |
| DUK Duke Energy Corp. | 0.20% | 11,573 | $1.5M | Add +10.7% |
| LRCX Lam Research Corp. | 0.19% | 3,273 | $1.4M | Add +134.8% |
| AMP Ameriprise Financial Inc. | 0.17% | 2,798 | $1.3M | Reduce -8.5% |
| ANET Arista Networks Inc. | 0.17% | 7,545 | $1.3M | Add +88.7% |
| UBER Uber Technologies Inc. | 0.17% | 17,557 | $1.3M | Add +2.6% |
| IJK iShares S&P Mid-Cap 400 Grow | 0.17% | 10,463 | $1.2M | Add +1.9% |
| ESGD iShares Trust iShares ESG Aw | 0.17% | 11,830 | $1.2M | Add +1.7% |
| PNC PNC Financial Services Group | 0.17% | 4,929 | $1.2M | Add +14.7% |
| IWM iShares Russell 2000 ETF | 0.16% | 3,927 | $1.2M | Reduce -2.0% |
Portfolio Sells Q1 2026 → Q2 2026
| GPC Genuine Parts Co. | Reduce -93.8% | 0.03% | −0.42 |
| MSFT Microsoft Corp. | Reduce -0.1% | 3.45% | −0.34 |
| EFA iShares MSCI Eafe ETF | Reduce -2.2% | 5.73% | −0.32 |
| PSA Public Storage | Reduce -58.5% | 0.25% | −0.31 |
| PEP Pepsico Inc. | Reduce -2.1% | 0.99% | −0.29 |
| BLK BlackRock Inc. | Reduce -0.8% | 2.21% | −0.25 |
| IJH iShares Core S&P Midcap ETF | Reduce -6.2% | 6.26% | −0.20 |
| EOG EOG Resources Inc. | Reduce -47.7% | 0.12% | −0.16 |
| META Meta Platforms Inc. Class A | Reduce -9.6% | 0.60% | −0.15 |
| ICE Intercontinental Exchange Inc. | Reduce -0.0% | 0.33% | −0.14 |
| SCHB Schwab US Broad Market ETF | Sold out | 0.00% | −0.13 |
| PG The Procter & Gamble Co. | Reduce -0.0% | 1.45% | −0.13 |
| ZTS Zoetis Inc. | Reduce -14.9% | 0.10% | −0.11 |
| MDT Medtronic PLC | Reduce -1.8% | 0.46% | −0.11 |
| ADSK Autodesk Inc. | Sold out | 0.00% | −0.06 |
| SYK Stryker Corp. | Reduce -5.9% | 0.23% | −0.05 |
| CTAS Cintas Corp. | Reduce -18.6% | 0.12% | −0.04 |
| VWO Vanguard Ftse Emerging Marke | Reduce -2.7% | 1.52% | −0.04 |
| PAYX Paychex Inc. | Reduce -3.0% | 0.59% | −0.04 |
| PREF Pri Spe Pre Sec Acti-Usd Inc. | Reduce -1.8% | 0.36% | −0.04 |
| ABT Abbott Laboratories | Reduce -6.7% | 0.11% | −0.04 |
| RTX RTX Corp. | Reduce -0.3% | 0.28% | −0.04 |
| IWV iShares Russell 3000 ETF | Sold out | 0.00% | −0.03 |
| CCI Crown Castle Inc. | Reduce -4.0% | 0.14% | −0.03 |
| AMP Ameriprise Financial Inc. | Reduce -8.5% | 0.17% | −0.03 |
| SLGN Silgan Holdings Inc. | Reduce -44.6% | 0.04% | −0.03 |
| BRK.B Berkshire Hathaway Inc. Class B | Reduce -2.9% | 0.22% | −0.02 |
| MUB iShares National Muni Bond E | Reduce -1.5% | 0.15% | −0.02 |
| MA Mastercard Inc. Class A | Reduce -4.8% | 0.11% | −0.01 |
| XLB SS Materials Select Sector | Reduce -11.3% | 0.04% | −0.01 |
| CHD Church & Dwight Co. Inc. | Reduce -4.5% | 0.08% | −0.01 |
| AXP American Express Co. | Reduce -4.8% | 0.20% | −0.01 |
| MKL Markel Group Inc. | Reduce -10.3% | 0.04% | −0.01 |
| BKR Baker Hughes Co. | Reduce -1.6% | 0.03% | −0.01 |
| L Loews Corp. | Reduce -14.6% | 0.03% | −0.01 |
| AAPL Apple Inc. | Reduce -3.2% | 5.09% | −0.01 |
| RGA Reinsurance Group of America | Reduce -5.4% | 0.04% | −0.00 |
| JCI Johnson Controls Internation | Reduce -10.4% | 0.04% | −0.00 |
| OSK Oshkosh Corp. | Reduce -3.2% | 0.03% | −0.00 |
| VB Vanguard Most SM-Cap ETF-Usd | Reduce -10.4% | 0.04% | −0.00 |
| XJH Ishare ESG SS S&P Midcap ETF | Reduce -2.8% | 0.15% | +0.00 |
| GOOG Alphabet Inc. Class C | Reduce -9.5% | 0.23% | +0.00 |
| ROK Rockwell Automation Inc. | Reduce -12.8% | 0.06% | +0.00 |
| ACWI iShares MSCI Acwi ETF | Reduce -1.5% | 0.55% | +0.01 |
| XJR Ishr ESG SS S&P Smal-Cap-Usd | Reduce -3.1% | 0.11% | +0.01 |
| WAT Waters Corp. | Reduce -5.4% | 0.09% | +0.01 |
| ZION Zions Bancorp NA | Reduce -0.6% | 0.09% | +0.01 |
| LFUS Littelfuse Inc. | Reduce -11.5% | 0.10% | +0.01 |
| OC Owens Corning | Reduce -7.0% | 0.04% | +0.01 |
| MAR Marriott International Class A | Reduce -1.2% | 0.59% | +0.01 |
Portfolio Buys Q1 2026 → Q2 2026
| IVV iShares Core S&P 500 ETF | Add +29.4% | 2.36% | +0.60 |
| PANW Palo Alto Networks Inc. | Add +0.7% | 0.90% | +0.44 |
| APD Air Products & Chemicals Inc. | Add +880.0% | 0.44% | +0.39 |
| MRVL Marvell Technology Inc. | Add +0.5% | 0.52% | +0.33 |
| HGER Harbor Commodity All Weather | New | 0.32% | +0.32 |
| AMD Advanced Micro Devices | Add +14.8% | 0.44% | +0.29 |
| AVGO Broadcom Inc. | Add +1.4% | 2.16% | +0.23 |
| SMMD iShares Russell 2500 ETF | Add +480.8% | 0.27% | +0.23 |
| IEFA iShares Core MSCI Eafe ETF | Add +209.4% | 0.31% | +0.20 |
| LRCX Lam Research Corp. | Add +134.8% | 0.19% | +0.15 |
| IEMG iShares Core MSCI Emerging | Add +98.2% | 0.26% | +0.14 |
| LIN Linde PLC | New | 0.13% | +0.13 |
| NVDA Nvidia Corp. | Add +1.9% | 2.09% | +0.12 |
| IAU iShares Gold Trust | Add +106.5% | 0.29% | +0.11 |
| ANET Arista Networks Inc. | Add +88.7% | 0.17% | +0.10 |
| GS Goldman Sachs Group Inc. | Add +4.3% | 0.88% | +0.10 |
| GE General Electric | Add +133.3% | 0.13% | +0.08 |
| URI United Rentals Inc. | Add +5.3% | 0.25% | +0.08 |
| HSY The Hershey Co. | Add +106.5% | 0.21% | +0.08 |
| LLY Eli Lilly & Co. | Add +2.5% | 0.41% | +0.07 |
| MKSI MKS Inc. | New | 0.06% | +0.06 |
| ETN Eaton Corp. PLC | Add +23.9% | 0.21% | +0.05 |
| BNY Bank of New York Mellon Corp. | Add +2.4% | 0.45% | +0.05 |
| USB US Bancorp | Add +2.3% | 0.73% | +0.05 |
| IWF iShares Russell 1000 Growth | New | 0.05% | +0.05 |
| IBM Intl Business Machines Corp. | Add +2.5% | 0.62% | +0.04 |
| FRT Federal Realty Invs Trust | New | 0.04% | +0.04 |
| EEM iShares MSCI Emerging Market | New | 0.04% | +0.04 |
| GWW WW Grainger Inc. | New | 0.03% | +0.03 |
| SYY Sysco Corp. | Add +1.7% | 0.42% | +0.03 |
| PNC PNC Financial Services Group | Add +14.7% | 0.17% | +0.03 |
| IWO iShares Russell 2000 Growth | New | 0.03% | +0.03 |
| IGIB iShares 5-10Y Inv Grade Corp. | New | 0.03% | +0.03 |
| SLB SLB Ltd. | Add +68.9% | 0.10% | +0.03 |
| EFIV SS SPDR S&P 500 ESG ETF | Add +2.1% | 0.38% | +0.02 |
| P Everpure Inc. Class A | Add +0.9% | 0.11% | +0.02 |
| XOM Exxonmobil Holdings Corp. | Add +56.7% | 0.14% | +0.02 |
| HXL Hexcel Corp. | Add +8.1% | 0.10% | +0.02 |
| PGX Invesco Preferred ETF | New | 0.02% | +0.02 |
| TSLA Tesla Inc. | Add +0.0% | 0.66% | +0.02 |
| DVY iShares Select Dividend ETF | Add +14.3% | 0.23% | +0.01 |
| DE Deere & Co. | Add +1.4% | 0.42% | +0.01 |
| DSI iShares ESG MSCI KLD 400 ETF | Add +10.1% | 0.08% | +0.01 |
| IJK iShares S&P Mid-Cap 400 Grow | Add +1.9% | 0.17% | +0.01 |
| TSPA T Rowe Price US Eqy Research | Add +27.6% | 0.05% | +0.01 |
| MO Altria Group Inc. | Add +3.0% | 0.72% | +0.01 |
| EFG iShares MSCI Eafe Growth ETF | Add +14.0% | 0.09% | +0.01 |
| AMGN Amgen Inc. | Add +21.8% | 0.08% | +0.01 |
| BWA Borgwarner Inc. | Add +2.6% | 0.08% | +0.01 |
| PRU Prudential Financial Inc. | Add +1.0% | 0.54% | +0.01 |
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 166 | $734.3M | IJH, EFA, AAPL, VGSH, MSFT |
| Q1 2026 | 158 | $664.5M | IJH, EFA, AAPL, VGSH, MSFT |
| Q4 2025 | 159 | $695.6M | IJH, EFA, AAPL, MSFT, VGSH |
| Q3 2025 | 161 | $743.8M | IJH, EFA, MSFT, AAPL, VGSH |
| Q2 2025 | 154 | $723.0M | IJH, EFA, MSFT, AAPL, VGSH |
| Q1 2025 | 156 | $687.3M | IJH, EFA, AAPL, MSFT, VGSH |
| Q4 2024 | 150 | $713.4M | IJH, AAPL, EFA, MSFT, VGSH |
| Q3 2024 | 156 | $752.7M | IJH, EFA, AAPL, MSFT, VGSH |
| Q2 2024 | 156 | $817.3M | IJH, EFA, MSFT, AAPL, VGSH |
| Q1 2024 | 168 | $832.6M | EFA, MSFT, AAPL, IJR, VGSH |