Duncker Streett & Co. Inc.
In its 13F for Q3 2025 (holdings as of September 30, 2025, filed October 23, 2025), Duncker Streett & Co. Inc. reported 534 stock positions worth $574.0 million. Its top holding was Broadcom (AVGO) at 4.9% of the portfolio, followed by Microsoft (MSFT, 4.3%) and Apple (AAPL, 4.2%). Compared with Q2 2025, it opened 34 new positions, sold out of 12, added to 97 and reduced 108. The biggest buy was Apple (AAPL, shares +17%) and the biggest sale Costco Wholesale (COST, shares −48%).
- Most Recent 13F
- Q2 2026
- Location
- St. Louis, MO
- CIK
- 0001020585
- Portfolio Value
- $574.0M (Q3 2025)
- SEC Filing
- 0001580642-25-006699 ↗ filed Oct 23, 2025
Holdings Value
Holdings 534 stocks · $574.0M
| AVGO Broadcom Inc. | 4.87% | 84,661 | $27.9M | Reduce -0.5% |
| MSFT Microsoft Corp. | 4.27% | 47,315 | $24.5M | Reduce -0.1% |
| AAPL Apple Inc. | 4.20% | 94,646 | $24.1M | Add +16.5% |
| NVDA Nvidia Corp. | 3.78% | 116,231 | $21.7M | Reduce -7.1% |
| GOOGL Alphabet Inc. Class A | 3.21% | 75,698 | $18.4M | Add +5.8% |
| MA Mastercard Inc. Class A | 3.07% | 31,011 | $17.6M | Reduce -3.3% |
| ABBV Abbvie Inc. | 2.88% | 71,277 | $16.5M | Add +17.7% |
| JPM JPMorgan Chase & Co. | 2.53% | 46,038 | $14.5M | Add +0.7% |
| AMZN Amazon.com Inc. | 2.37% | 62,017 | $13.6M | Add +0.3% |
| HEI Heico Corp. | 2.34% | 41,694 | $13.5M | Reduce -1.8% |
| AXON Axon Enterprise Inc. | 1.82% | 14,579 | $10.5M | Add +0.5% |
| TMO Thermo Fisher Scientific Inc. | 1.82% | 21,571 | $10.5M | Reduce -3.9% |
| DHR Danaher Corp. | 1.67% | 48,214 | $9.6M | Reduce -3.5% |
| LOW Lowe's Cos Inc. | 1.52% | 34,756 | $8.7M | Add +54.9% |
| PANW Palo Alto Networks Inc. | 1.45% | 40,832 | $8.3M | Add +0.7% |
| ICE Intercontinental Exchange Inc. | 1.32% | 44,891 | $7.6M | Add +0.7% |
| XLK SS Technology Select Sector | 1.29% | 26,339 | $7.4M | Reduce -0.8% |
| UBER Uber Technologies Inc. | 1.28% | 74,968 | $7.3M | Add +2.6% |
| ORLY O'reilly Automotive Inc. | 1.28% | 67,980 | $7.3M | No change |
| XOM Exxon Mobil Corp. | 1.24% | 63,292 | $7.1M | Add +8.3% |
| NOW ServiceNow Inc. | 1.18% | 7,389 | $6.8M | Add +3.3% |
| META Meta Platforms Inc. Class A | 1.17% | 9,179 | $6.7M | Add +5.8% |
| PWR Quanta Services Inc. | 1.15% | 15,864 | $6.6M | Add +1.8% |
| AJG Arthur J Gallagher & Co. filed as GALLAGHER ARTHUR J & CO | 1.10% | 20,453 | $6.3M | Reduce -0.2% |
| COST Costco Wholesale Corp. | 1.04% | 6,471 | $6.0M | Reduce -48.3% |
| CPRT Copart Inc. | 1.02% | 129,820 | $5.8M | Reduce -6.7% |
| SPGI S&P Global Inc. | 0.97% | 11,397 | $5.5M | Add +0.6% |
| AME Ametek Inc. | 0.93% | 28,525 | $5.4M | Reduce -1.4% |
| WMT Walmart Inc. | 0.89% | 49,341 | $5.1M | Add +2.3% |
| SYK Stryker Corp. | 0.88% | 13,737 | $5.1M | Add +3.1% |
| APH Amphenol Corp. Class A | 0.88% | 40,952 | $5.1M | Reduce -6.4% |
| ABT Abbott Laboratories | 0.85% | 36,222 | $4.9M | Add +1.1% |
| GOOG Alphabet Inc. Class C | 0.80% | 18,826 | $4.6M | Reduce -7.4% |
| TDG Transdigm Group Inc. | 0.75% | 3,264 | $4.3M | Add +6.7% |
| V Visa Inc. Class A | 0.73% | 12,309 | $4.2M | Add +0.3% |
| HD Home Depot Inc. | 0.72% | 10,269 | $4.2M | Add +14.4% |
| TJX TJX Companies Inc. filed as TJX COS INC NEW | 0.72% | 28,458 | $4.1M | Reduce -0.0% |
| BX Blackstone Inc. | 0.69% | 23,236 | $4.0M | Add +0.1% |
| URI United Rentals Inc. | 0.66% | 3,944 | $3.8M | No change |
| SPY SS SPDR S&P 500 ETF Trust-US | 0.65% | 5,623 | $3.7M | Reduce -0.2% |
| CVX Chevron Corp. | 0.56% | 20,879 | $3.2M | Add +2.0% |
| PG The Procter & Gamble Co. | 0.55% | 20,535 | $3.2M | Add +0.8% |
| ITW Illinois Tool Works | 0.54% | 11,979 | $3.1M | Reduce -1.3% |
| LHX L3HARRIS Technologies Inc. | 0.53% | 9,983 | $3.0M | Reduce -2.8% |
| VO Vngrd Mrngstr MD-Cap ETF-Usd | 0.52% | 10,090 | $3.0M | Reduce -1.4% |
| IYW iShares Ustechnology ETF | 0.51% | 15,053 | $2.9M | No change |
| LIN Linde PLC | 0.50% | 6,095 | $2.9M | No change |
| QCOM Qualcomm Inc. | 0.50% | 17,165 | $2.9M | Reduce -1.6% |
| CEG Constellation Energy | 0.49% | 8,500 | $2.8M | Add +234.5% |
| JNJ Johnson & Johnson | 0.48% | 14,875 | $2.8M | Add +1.1% |
| COF Capital One Financial Corp. | 0.47% | 12,567 | $2.7M | No change |
| LQD Ishr Ibx Usd Invgd CB ETF-Ui | 0.46% | 23,439 | $2.6M | Reduce -1.0% |
| ACN Accenture PLC Class A | 0.44% | 10,353 | $2.6M | Reduce -6.3% |
| MRK Merck & Co. Inc. | 0.44% | 30,085 | $2.5M | Reduce -1.8% |
| GSY Invesco Ultra Short Duration | 0.44% | 50,126 | $2.5M | Reduce -0.4% |
| VRP Invesco Variable Rate Prefer | 0.44% | 101,730 | $2.5M | Add +1.6% |
| SCHX Schwab US Large-Cap ETF | 0.44% | 94,864 | $2.5M | Reduce 0.0% |
| IGSB iShares 1-5Y Inv Grade Corp. | 0.43% | 47,071 | $2.5M | Add +0.1% |
| SCHG Schwab US Large-Cap Growth | 0.41% | 74,395 | $2.4M | Reduce -0.2% |
| PFF iShares Preferred & Income S | 0.41% | 74,362 | $2.4M | Reduce -1.0% |
| IBM Intl Business Machines Corp. filed as INTERNATIONAL BUSINESS MACHS | 0.40% | 8,136 | $2.3M | Add +0.2% |
| ROP Roper Technologies Inc. | 0.40% | 4,597 | $2.3M | Reduce -2.5% |
| ORCL Oracle Corp. | 0.40% | 8,117 | $2.3M | Add +0.9% |
| SCHV Schwab US Large-Cap Value | 0.36% | 70,950 | $2.1M | Reduce -5.9% |
| ISRG Intuitive Surgical Inc. | 0.36% | 4,601 | $2.1M | Add +2.3% |
| RTX RTX Corp. | 0.35% | 12,127 | $2.0M | Reduce -0.1% |
| VB Vanguard Most SM-Cap ETF-Usd | 0.34% | 7,607 | $1.9M | Reduce -0.1% |
| DOV Dover Corp. | 0.33% | 11,515 | $1.9M | Reduce -3.3% |
| BMY Bristol-Myers Squibb Co. | 0.33% | 41,548 | $1.9M | Reduce -4.1% |
| FTEC Fidelity MSCI Info Tech Indx | 0.32% | 8,378 | $1.9M | Add +0.0% |
| VBR Vngrd Mrngst SL-CP Val ETF-U | 0.32% | 8,705 | $1.8M | Add +0.0% |
| ECL Ecolab Inc. | 0.31% | 6,556 | $1.8M | Reduce -0.8% |
| TYL Tyler Technologies Inc. | 0.31% | 3,408 | $1.8M | Reduce -2.4% |
| BAC Bank of America Corp. filed as BANK AMERICA CORP | 0.31% | 34,528 | $1.8M | Reduce -3.5% |
| PEP Pepsico Inc. | 0.31% | 12,640 | $1.8M | Add +3.1% |
| SCHA Schwab US Small-Cap ETF | 0.30% | 62,070 | $1.7M | Add +0.0% |
| NFLX Netflix Inc. | 0.29% | 1,374 | $1.6M | Reduce -0.4% |
| EMR Emerson Electric Co. | 0.29% | 12,474 | $1.6M | Add +0.0% |
| VIG Vanguard Dividend Apprec ETF | 0.28% | 7,518 | $1.6M | Reduce -3.3% |
| INTU Intuit Inc. | 0.28% | 2,347 | $1.6M | No change |
| IJH iShares Core S&P Midcap ETF | 0.28% | 24,317 | $1.6M | Reduce -0.7% |
| GS Goldman Sachs Group Inc. | 0.27% | 1,945 | $1.5M | Add +0.9% |
| VYM Vanguard High DVD Yield ETF | 0.25% | 10,303 | $1.5M | Reduce -3.4% |
| AFL Aflac Inc. | 0.25% | 12,697 | $1.4M | No change |
| CTAS Cintas Corp. | 0.23% | 6,300 | $1.3M | No change |
| PFFD Global X US Preferred ETF | 0.22% | 65,988 | $1.3M | Reduce -1.7% |
| ARCC Ares Capital Corp. | 0.22% | 61,904 | $1.3M | Reduce -1.4% |
| KLAC KLA Corp. | 0.22% | 1,159 | $1.3M | Reduce -1.1% |
| CDNS Cadence Design SYS Inc. | 0.22% | 3,530 | $1.2M | Add +0.2% |
| VOO Vanguard S&P 500 ETF | 0.21% | 1,984 | $1.2M | No change |
| FISV Fiserv Inc. | 0.21% | 9,390 | $1.2M | Reduce -10.5% |
| CME Cme Group Inc. | 0.21% | 4,450 | $1.2M | No change |
| PH Parker Hannifin Corp. | 0.21% | 1,556 | $1.2M | No change |
| AON Aon PLC Class A | 0.20% | 3,289 | $1.2M | No change |
| PM Philip Morris International | 0.20% | 6,977 | $1.1M | Reduce -0.5% |
| DE Deere & Co. | 0.19% | 2,326 | $1.1M | Add +1.1% |
| AXP American Express Co. | 0.18% | 3,186 | $1.1M | Add +22.5% |
| QQQ Invesco QQQ Trust Series 1 | 0.18% | 1,751 | $1.1M | Reduce -0.6% |
| IWR iShares Russell Mid-Cap ETF | 0.18% | 10,830 | $1.0M | Add +6.1% |
| AMGN Amgen Inc. | 0.18% | 3,613 | $1.0M | Add +0.1% |
Portfolio Sells Q2 2025 → Q3 2025
| COST Costco Wholesale Corp. | Reduce -48.3% | 1.04% | −1.22 |
| VRTX Vertex Pharmaceuticals Inc. | Reduce -69.5% | 0.16% | −0.47 |
| UNH Unitedhealth Group Inc. | Reduce -75.9% | 0.16% | −0.47 |
| CMG Chipotle Mexican Grill Inc. | Reduce -77.7% | 0.07% | −0.41 |
| ODFL Old Dominion Freight Line | Reduce -99.7% | 0.00% | −0.30 |
| CPRT Copart Inc. | Reduce -6.7% | 1.02% | −0.23 |
| MA Mastercard Inc. Class A | Reduce -3.3% | 3.07% | −0.21 |
| HEI Heico Corp. | Reduce -1.8% | 2.34% | −0.20 |
| ACN Accenture PLC Class A | Reduce -6.3% | 0.44% | −0.16 |
| DHR Danaher Corp. | Reduce -3.5% | 1.67% | −0.14 |
| FISV Fiserv Inc. | Reduce -10.5% | 0.21% | −0.12 |
| AJG Arthur J Gallagher & Co. | Reduce -0.2% | 1.10% | −0.09 |
| ROP Roper Technologies Inc. | Reduce -2.5% | 0.40% | −0.09 |
| TYL Tyler Technologies Inc. | Reduce -2.4% | 0.31% | −0.07 |
| DOV Dover Corp. | Reduce -3.3% | 0.33% | −0.06 |
| ADBE Adobe Inc. | Reduce -16.6% | 0.15% | −0.06 |
| NFLX Netflix Inc. | Reduce -0.4% | 0.29% | −0.05 |
| XPMQX PIMCO Muni Income Fund III | Sold out | 0.00% | −0.04 |
| BMY Bristol-Myers Squibb Co. | Reduce -4.1% | 0.33% | −0.04 |
| CL Colgate-Palmolive Co. | Reduce -4.7% | 0.15% | −0.04 |
| PM Philip Morris International | Reduce -0.5% | 0.20% | −0.04 |
| ARCC Ares Capital Corp. | Reduce -1.4% | 0.22% | −0.03 |
| CI The Cigna Group | Reduce -0.6% | 0.14% | −0.03 |
| MSFT Microsoft Corp. | Reduce -0.1% | 4.27% | −0.03 |
| CMCSA Comcast Corp. Class A | Reduce -1.6% | 0.12% | −0.02 |
| BRK.B Berkshire Hathaway Inc. Class B | Reduce -17.0% | 0.10% | −0.02 |
| DIS The Walt Disney Co. | Reduce -9.8% | 0.09% | −0.02 |
| GSY Invesco Ultra Short Duration | Reduce -0.4% | 0.44% | −0.02 |
| AME Ametek Inc. | Reduce -1.4% | 0.93% | −0.02 |
| SCHV Schwab US Large-Cap Value | Reduce -5.9% | 0.36% | −0.02 |
| NKE Nike Inc. Class B | Reduce -5.5% | 0.15% | −0.02 |
| XPMFX PIMCO Municipal Income Fund | Sold out | 0.00% | −0.02 |
| LQD Ishr Ibx Usd Invgd CB ETF-Ui | Reduce -1.0% | 0.46% | −0.02 |
| KMI Kinder Morgan Inc. | Reduce -7.3% | 0.09% | −0.02 |
| UNP Union Pacific Corp. | Reduce -11.3% | 0.10% | −0.02 |
| CSX CSX Corp. | Reduce -19.7% | 0.07% | −0.01 |
| MET Metlife Inc. | Reduce -29.0% | 0.03% | −0.01 |
| ECL Ecolab Inc. | Reduce -0.8% | 0.31% | −0.01 |
| IBDQ iShares Ibonds Dec 2025 Term | Reduce -6.0% | 0.10% | −0.01 |
| EOG EOG Resources Inc. | Reduce -0.2% | 0.09% | −0.01 |
| IBTJ iShares Ibonds Dec 2029 Term | Reduce -5.8% | 0.10% | −0.01 |
| IBDR iShares Ibonds Dec 2026 Term | Reduce -5.7% | 0.10% | −0.01 |
| IBTI iShares Ibonds Dec 2028 Term | Reduce -5.8% | 0.10% | −0.01 |
| IBTF iShares Ibonds Dec 2025 Term | Reduce -5.9% | 0.10% | −0.01 |
| PFF iShares Preferred & Income S | Reduce -1.0% | 0.41% | −0.01 |
| IBDT iShares Ibonds Dec 2028 ETF | Reduce -5.8% | 0.10% | −0.01 |
| IBDS Ishrs Ibnds Dec 27 Corp. ETF | Reduce -5.8% | 0.10% | −0.01 |
| IBTH iShares Ibonds Dec 2027 Term | Reduce -5.6% | 0.10% | −0.01 |
| ELV Elevance Health Inc. | Sold out | 0.00% | −0.01 |
| IBTG iShares Ibonds Dec 2026 Term | Reduce -5.6% | 0.10% | −0.01 |
Portfolio Buys Q2 2025 → Q3 2025
| AAPL Apple Inc. | Add +16.5% | 4.20% | +1.16 |
| GOOGL Alphabet Inc. Class A | Add +5.8% | 3.21% | +0.90 |
| ABBV Abbvie Inc. | Add +17.7% | 2.88% | +0.82 |
| LOW Lowe's Cos Inc. | Add +54.9% | 1.52% | +0.61 |
| CEG Constellation Energy | Add +234.5% | 0.49% | +0.34 |
| HD Home Depot Inc. | Add +14.4% | 0.72% | +0.12 |
| JPM JPMorgan Chase & Co. | Add +0.7% | 2.53% | +0.11 |
| XOM Exxon Mobil Corp. | Add +8.3% | 1.24% | +0.09 |
| ORCL Oracle Corp. | Add +0.9% | 0.40% | +0.08 |
| JNJ Johnson & Johnson | Add +1.1% | 0.48% | +0.07 |
| PWR Quanta Services Inc. | Add +1.8% | 1.15% | +0.07 |
| PML PIMCO Municipal Income FD II | Add +143.3% | 0.10% | +0.06 |
| BX Blackstone Inc. | Add +0.1% | 0.69% | +0.06 |
| GWW WW Grainger Inc. | Add +5600.0% | 0.05% | +0.05 |
| OEF iShares S&P 100 ETF | New | 0.04% | +0.04 |
| UBER Uber Technologies Inc. | Add +2.6% | 1.28% | +0.04 |
| AXP American Express Co. | Add +22.5% | 0.18% | +0.03 |
| WEC WEC Energy Group Inc. | Add +71.1% | 0.07% | +0.03 |
| CVX Chevron Corp. | Add +2.0% | 0.56% | +0.03 |
| ADP Automatic Data Processing | Add +258.4% | 0.04% | +0.03 |
| WMT Walmart Inc. | Add +2.3% | 0.89% | +0.03 |
| FTEC Fidelity MSCI Info Tech Indx | Add +0.0% | 0.32% | +0.02 |
| SYY Sysco Corp. | Add +11.8% | 0.15% | +0.02 |
| GS Goldman Sachs Group Inc. | Add +0.9% | 0.27% | +0.02 |
| SPHY SS SPDR P High Yield ETF | New | 0.02% | +0.02 |
| CDNS Cadence Design SYS Inc. | Add +0.2% | 0.22% | +0.02 |
| AGG iShares Core U.S. Aggregate | Add +52.5% | 0.05% | +0.02 |
| SCHA Schwab US Small-Cap ETF | Add +0.0% | 0.30% | +0.02 |
| PEP Pepsico Inc. | Add +3.1% | 0.31% | +0.01 |
| GD General Dynamics Corp. | Add +811.1% | 0.01% | +0.01 |
| C Citigroup Inc. | Add +12.7% | 0.05% | +0.01 |
| T AT&T Inc. | Add +18.8% | 0.12% | +0.01 |
| IWR iShares Russell Mid-Cap ETF | Add +6.1% | 0.18% | +0.01 |
| SO The Southern Co. | Add +15.2% | 0.09% | +0.01 |
| BLK BlackRock Inc. | Add +1.2% | 0.14% | +0.01 |
| SMH Vaneck Semiconductor ETF | Add +3.6% | 0.06% | +0.01 |
| IWM iShares Russell 2000 ETF | Add +12.9% | 0.05% | +0.01 |
| MO Altria Group Inc. | Add +0.7% | 0.10% | +0.01 |
| CSCO Cisco Systems Inc. | Add +12.1% | 0.14% | +0.01 |
| CAT Caterpillar Inc. | Add +6.8% | 0.03% | +0.01 |
| VBR Vngrd Mrngst SL-CP Val ETF-U | Add +0.0% | 0.32% | +0.01 |
| META Meta Platforms Inc. Class A | Add +5.8% | 1.17% | +0.01 |
| SLYV SS SPDR S&P 600 SC Val ETF | Add +0.1% | 0.09% | +0.01 |
| ASML ASML Holding NV-NY Reg SHS | Add +0.5% | 0.03% | +0.00 |
| EXC Exelon Corp. | Add +11.8% | 0.04% | +0.00 |
| LMT Lockheed Martin Corp. | Add +0.7% | 0.12% | +0.00 |
| ADI Analog Devices Inc. | Add +103.1% | 0.01% | +0.00 |
| LMBS First Trust Low Duration Opp | New | 0.00% | +0.00 |
| VWO Vanguard Ftse Emerging Marke | Add +0.2% | 0.08% | +0.00 |
| MCK McKesson Corp. | New | 0.00% | +0.00 |
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 517 | $590.8M | AVGO, AAPL, GOOGL, NVDA, ABBV |
| Q1 2026 | 532 | $526.1M | AVGO, AAPL, GOOGL, XOM, ABBV |
| Q4 2025 | 531 | $562.7M | AVGO, AAPL, MSFT, GOOGL, MA |
| Q3 2025 | 534 | $574.0M | AVGO, MSFT, AAPL, NVDA, GOOGL |
| Q2 2025 | 512 | $548.0M | MSFT, AVGO, NVDA, MA, AAPL |
| Q1 2025 | 503 | $504.7M | MSFT, MA, AAPL, AVGO, ABBV |
| Q4 2024 | 530 | $538.6M | AVGO, MSFT, AAPL, MA, NVDA |
| Q3 2024 | 488 | $548.0M | MSFT, AVGO, AAPL, MA, TMO |
| Q2 2024 | 487 | $520.2M | MSFT, AVGO, AAPL, MA, GOOGL |
| Q1 2024 | 477 | $506.5M | MSFT, MA, AVGO, TMO, AAPL |