MainStreet Investment Advisors LLC
Long book
$664.5M
Q1 2026
Positions
158
Top-10 weight
39%
concentration
Last quarter
+11.2%
SPY +14.8%
Turnover
14%
of book per quarter
Strategy in plain words
auto-generated from filingsMainStreet Investment Advisors LLC is an institutional manager, running a $664.5M US long book across 158 positions.
The portfolio is moderately concentrated (top 10 ≈ 39% of the book). Turnover is modest: positions are typically held for years. Current anchor positions: ISHARES CORE S&P MIDCAP ETF, ISHARES MSCI EAFE ETF, APPLE INC, VANGUARD SHORT-TERM TREASURY, MICROSOFT CORP.
Over the last 9 quarters its long book ran on average 1.1pp per quarter behind the S&P 500, beating the index in 3 of 9 quarters. Signal value of individual moves is limited — treat changes as weak evidence.
Implied long-book return vs S&P 500
methodology: positions priced quarterly, no shorts/options Fund long book S&P 500
Q1 2024
+0.6%
Q2 2024
+6.7%
Q3 2024
-0.5%
Q4 2024
-2.4%
Q1 2025
+7.1%
Q2 2025
+7.2%
Q3 2025
+1.7%
Q4 2025
-1.3%
Q1 2026
+11.2%
Sector allocation
Technology 32%
Financials 16%
Industrials 12%
Healthcare 10%
Consumer discretionary 9%
Utilities 6%
Energy 4%
Services media 4%
Long book by quarter
What does MainStreet Investment own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| AAPL APPLE INC | Technology | 133.3K | $33.8M | 5.1% | -4.8% |
| MSFT MICROSOFT CORP | Technology | 68.0K | $25.2M | 3.8% | -3.6% |
| GOOGL ALPHABET INC-CL A | Technology | 68.8K | $19.8M | 3.0% | -7.2% |
| JPM JPMORGAN CHASE & CO | Financials | 63.2K | $18.6M | 2.8% | -2.3% |
| BLK BLACKROCK INC | Financials | 17.0K | $16.4M | 2.5% | -2.1% |
| JNJ JOHNSON & JOHNSON | Healthcare | 62.9K | $15.4M | 2.3% | -2.1% |
| CAT CATERPILLAR INC | Industrials | 18.6K | $13.2M | 2.0% | -15.5% |
| NVDA NVIDIA CORP | Technology | 75.2K | $13.1M | 2.0% | -3.7% |
| AVGO BROADCOM INC | Technology | 41.4K | $12.8M | 1.9% | +0.8% |
| ABBV ABBVIE INC | Healthcare | 53.9K | $11.7M | 1.8% | -2.6% |
| CVX CHEVRON CORP | Energy | 53.4K | $11.0M | 1.7% | -4.0% |
| AMZN AMAZON.COM INC | Consumer discretionary | 50.9K | $10.6M | 1.6% | -4.1% |
| PG PROCTER & GAMBLE CO/THE | Other | 72.7K | $10.5M | 1.6% | -4.4% |
| WM WASTE MANAGEMENT INC | Utilities | 44.1K | $10.1M | 1.5% | -2.8% |
| HD HOME DEPOT INC | Consumer discretionary | 27.4K | $9.0M | 1.4% | -4.6% |
| MCD MCDONALD'S CORP | Consumer discretionary | 28.2K | $8.7M | 1.3% | -3.7% |
| PEP PEPSICO INC | Consumer staples | 54.6K | $8.5M | 1.3% | -8.1% |
| HON HONEYWELL INTERNATIONAL INC | Industrials | 36.7K | $8.3M | 1.2% | -5.8% |
| LMT LOCKHEED MARTIN CORP | Industrials | 11.3K | $6.9M | 1.0% | -2.0% |
| EMR EMERSON ELECTRIC CO | Industrials | 47.7K | $6.2M | 0.9% | -4.6% |
| SO SOUTHERN CO/THE | Utilities | 64.3K | $6.2M | 0.9% | -3.0% |
| CSCO CISCO SYSTEMS INC | Technology | 71.7K | $5.6M | 0.8% | -5.8% |
| GS GOLDMAN SACHS GROUP INC | Financials | 6.1K | $5.2M | 0.8% | -1.0% |
| WMT WALMART INC | Consumer discretionary | 40.6K | $5.0M | 0.8% | -5.6% |
| MCHP MICROCHIP TECHNOLOGY INC | Technology | 77.2K | $5.0M | 0.8% | -4.6% |
| META META PLATFORMS INC-CLASS A | Technology | 8.7K | $5.0M | 0.7% | -4.0% |
| V VISA INC-CLASS A SHARES | Services media | 15.8K | $4.8M | 0.7% | -5.1% |
| AEP AMERICAN ELECTRIC POWER | Utilities | 36.4K | $4.8M | 0.7% | -2.4% |
| MO ALTRIA GROUP INC | Consumer staples | 71.1K | $4.7M | 0.7% | -3.4% |
| USB US BANCORP | Financials | 86.8K | $4.5M | 0.7% | -3.2% |
| CME CME GROUP INC | Financials | 14.9K | $4.4M | 0.7% | -1.9% |
| TSLA TESLA INC | Industrials | 11.5K | $4.3M | 0.6% | -2.7% |
| PAYX PAYCHEX INC | Services media | 45.3K | $4.2M | 0.6% | -9.5% |
| ENB ENBRIDGE INC | Energy | 74.9K | $4.1M | 0.6% | -1.6% |
| MAR MARRIOTT INTERNATIONAL -CL A | Services media | 11.7K | $3.8M | 0.6% | -6.1% |
| IBM INTL BUSINESS MACHINES CORP | Technology | 15.7K | $3.8M | 0.6% | +1.0% |
| MDT MEDTRONIC PLC | Healthcare | 43.7K | $3.8M | 0.6% | -2.0% |
| MRK MERCK & CO. INC. | Healthcare | 30.7K | $3.7M | 0.6% | -0.6% |
| VZ VERIZON COMMUNICATIONS INC | Communications | 73.0K | $3.7M | 0.6% | -6.8% |
| INGR INGREDION INC | Consumer staples | 32.5K | $3.7M | 0.6% | -4.1% |
| PRU PRUDENTIAL FINANCIAL INC | Financials | 36.6K | $3.6M | 0.5% | -2.7% |
| GD GENERAL DYNAMICS CORP | Industrials | 10.3K | $3.5M | 0.5% | -4.0% |
| CMI CUMMINS INC | Industrials | 6.3K | $3.4M | 0.5% | -1.9% |
| QCOM QUALCOMM INC | Technology | 26.0K | $3.3M | 0.5% | -7.0% |
| MS MORGAN STANLEY | Financials | 19.3K | $3.2M | 0.5% | -6.5% |
| CDNS CADENCE DESIGN SYS INC | Technology | 11.2K | $3.1M | 0.5% | -2.0% |
| ICE INTERCONTINENTAL EXCHANGE IN | Financials | 19.7K | $3.1M | 0.5% | -6.0% |
| PANW PALO ALTO NETWORKS INC | Technology | 19.3K | $3.1M | 0.5% | +14.2% |
| GPC GENUINE PARTS CO | Consumer discretionary | 27.8K | $2.9M | 0.4% | -8.8% |
| DE DEERE & CO | Industrials | 4.8K | $2.7M | 0.4% | -5.0% |
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | May 11, 2026 | 158 | $664.5M | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Feb 10, 2026 | 159 | $695.6M | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Nov 10, 2025 | 161 | $743.8M | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Aug 11, 2025 | 155 | $723.0M | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | Apr 30, 2025 | 156 | $687.3M | canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Feb 14, 2025 | 150 | $713.4M | canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Nov 12, 2024 | 156 | $752.7M | canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Aug 6, 2024 | 157 | $817.3M | canonical | SEC ↗ |
| Q1 2024 | 13F-HR | May 8, 2024 | 169 | $832.6M | canonical | SEC ↗ |
Similar funds
MASSACHUSETTS FINANCIAL SERVICES CO /MA/JENNISON ASSOCIATES LLCNational Pension ServiceFIL LtdClearbridge Investments, LLCDZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am MainNORDEA INVESTMENT MANAGEMENT ABBoston PartnersSwedbank AB1832 Asset Management L.P. HARRIS ASSOCIATES L PLOOMIS SAYLES & CO L P