Foster Dykema Cabot & Partners, LLC
In its 13F for Q3 2025 (holdings as of September 30, 2025, filed November 12, 2025), Foster Dykema Cabot & Partners, LLC reported 421 stock positions worth $1.5 billion. Its top holding was SS SPDR S&P 500 ETF Trust-US (SPY) at 18.4% of the portfolio, followed by JPMorgan Ultra-Short Income (JPST, 12.9%) and iShares Ultra Short Duration (ICSH, 7.3%). Compared with Q2 2025, it opened 83 new positions, sold out of 5, added to 94 and reduced 37. The biggest buy was Nvidia (NVDA, shares +16%) and the biggest sale iShares Ultra Short Duration (ICSH, shares −2%).
- Most Recent 13F
- Q2 2026
- Location
- WALTHAM, MA
- CIK
- 0002011882
- Portfolio Value
- $1.5B (Q3 2025)
- SEC Filing
- 0002011882-25-000005 ↗ filed Nov 12, 2025
Holdings Value
Holdings 421 stocks · $1.5B
| SPY SS SPDR S&P 500 ETF Trust-US | 18.36% | 418,982 | $279.9M | Add +0.2% |
| JPST JPMorgan Ultra-Short Income | 12.87% | 3,867,938 | $196.2M | Add +1.4% |
| ICSH iShares Ultra Short Duration | 7.26% | 2,179,609 | $110.6M | Reduce -1.9% |
| APH Amphenol Corp. Class A | 4.89% | 601,421 | $74.5M | Reduce -0.8% |
| MSFT Microsoft Corp. | 3.84% | 112,873 | $58.5M | Add +0.9% |
| AMZN Amazon.com Inc. | 3.47% | 240,865 | $52.9M | Reduce -0.1% |
| PWR Quanta Services Inc. | 3.16% | 116,170 | $48.1M | Reduce -0.7% |
| GOOGL Alphabet Inc. Class A | 2.60% | 163,271 | $39.7M | Reduce -1.9% |
| COST Costco Wholesale Corp. | 2.56% | 42,201 | $39.1M | Add +0.7% |
| NVDA Nvidia Corp. | 2.55% | 208,055 | $38.8M | Add +16.2% |
| JPM JPMorgan Chase & Co. | 2.54% | 122,878 | $38.8M | Add +0.6% |
| AXP American Express Co. | 2.54% | 116,477 | $38.7M | Reduce -0.1% |
| ETN Eaton Corp. PLC | 2.27% | 92,407 | $34.6M | Add +1.0% |
| MSI Motorola Solutions Inc. | 2.09% | 69,581 | $31.9M | Add +0.2% |
| CTAS Cintas Corp. | 2.04% | 151,269 | $31.0M | Add +0.8% |
| BRK.B Berkshire Hathaway Inc. Class B | 1.90% | 57,487 | $28.9M | Add +0.2% |
| SNPS Synopsys Inc. | 1.78% | 55,057 | $27.2M | Reduce -0.3% |
| WM Waste Management Inc. | 1.75% | 120,963 | $26.7M | Reduce -0.1% |
| NOC Northrop Grumman Corp. | 1.68% | 42,064 | $25.6M | Add +0.1% |
| AAPL Apple Inc. | 1.62% | 96,940 | $24.7M | Add +17.1% |
| KKR KKR & Co. Inc. | 1.61% | 189,295 | $24.6M | Add +2.4% |
| VRTX Vertex Pharmaceuticals Inc. | 1.56% | 60,689 | $23.8M | Reduce -0.4% |
| IEFA iShares Core MSCI Eafe ETF | 1.55% | 270,735 | $23.6M | Add +2.0% |
| LLY Eli Lilly & Co. | 1.51% | 30,079 | $22.9M | Reduce -0.4% |
| LOW Lowe's Cos Inc. | 1.43% | 86,844 | $21.8M | Add +2.7% |
| TMO Thermo Fisher Scientific Inc. | 1.42% | 44,726 | $21.7M | Reduce -0.5% |
| VTI VG Morningstar TS MKT ETF-US | 1.19% | 55,139 | $18.1M | Reduce -0.0% |
| GOOG Alphabet Inc. Class C | 0.54% | 33,912 | $8.3M | Add +1.9% |
| XLK SS Technology Select Sector | 0.51% | 27,623 | $7.8M | No change |
| SPYX SS SPDR S&P 500 Foss FL ETF | 0.37% | 101,531 | $5.6M | Reduce -11.4% |
| INDB Independent Bank Corp. | 0.36% | 79,002 | $5.5M | New |
| IWF iShares Russell 1000 Growth | 0.36% | 11,649 | $5.5M | Reduce -1.2% |
| VOO Vanguard S&P 500 ETF | 0.35% | 8,629 | $5.3M | Add +3.3% |
| PG The Procter & Gamble Co. | 0.30% | 29,768 | $4.6M | Add +0.8% |
| IVV iShares Core S&P 500 ETF | 0.20% | 4,457 | $3.0M | No change |
| IWD iShares Russell 1000 Value E | 0.16% | 11,875 | $2.4M | No change |
| SDG Ish MSCI Glob Sust Deve Goal | 0.12% | 21,446 | $1.8M | Reduce -1.1% |
| PHYS Sprott Physical Gold Trust | 0.12% | 59,799 | $1.8M | Reduce -0.6% |
| WMT Walmart Inc. | 0.11% | 16,375 | $1.7M | Add +3.3% |
| V Visa Inc. Class A | 0.11% | 4,917 | $1.7M | Add +10.1% |
| VO Vngrd Mrngstr MD-Cap ETF-Usd | 0.10% | 5,071 | $1.5M | No change |
| MCD McDonald's Corp. | 0.09% | 4,708 | $1.4M | Add +24.2% |
| SPGI S&P Global Inc. | 0.09% | 2,859 | $1.4M | No change |
| PEP Pepsico Inc. | 0.09% | 9,782 | $1.4M | Add +0.5% |
| VEU Vanguard Ftse All-World Ex-U | 0.09% | 18,690 | $1.3M | No change |
| AVGO Broadcom Inc. | 0.09% | 4,019 | $1.3M | Add +54.8% |
| JNJ Johnson & Johnson | 0.08% | 6,414 | $1.2M | Add +16.4% |
| ABBV Abbvie Inc. | 0.07% | 4,884 | $1.1M | Add +15.2% |
| CSCO Cisco Systems Inc. | 0.07% | 15,962 | $1.1M | Add +11.3% |
| ABT Abbott Laboratories | 0.07% | 8,108 | $1.1M | Add +16.6% |
| BLK BlackRock Inc. | 0.07% | 921 | $1.1M | Add +5.4% |
| MS Morgan Stanley | 0.07% | 6,692 | $1.1M | Add +3.7% |
| QQQ Invesco QQQ Trust Series 1 | 0.07% | 1,708 | $1.0M | Add +5.2% |
| ADP Automatic Data Processing | 0.07% | 3,430 | $1.0M | Reduce -10.1% |
| KO The Coca-Cola Co. | 0.07% | 14,985 | $1.0M | Add +18.5% |
| IVW iShares S&P 500 Growth ETF | 0.06% | 8,043 | $971K | Reduce -4.9% |
| ACN Accenture PLC Class A | 0.06% | 3,925 | $968K | Add +1.7% |
| UNCFF Unicredit SPA | 0.06% | 12,555 | $951K | No change |
| PLD Prologis Inc. | 0.06% | 8,232 | $943K | Add +1.0% |
| MRK Merck & Co. Inc. | 0.06% | 10,197 | $864K | Add +8.3% |
| TJX TJX Companies Inc. filed as TJX COS INC NEW | 0.05% | 5,758 | $832K | Reduce -27.1% |
| XOM Exxon Mobil Corp. | 0.05% | 7,341 | $828K | Add +28.8% |
| ORCL Oracle Corp. | 0.05% | 2,899 | $815K | Add +5.1% |
| DIS The Walt Disney Co. filed as DISNEY WALT CO | 0.05% | 6,892 | $789K | Add +0.3% |
| IWR iShares Russell Mid-Cap ETF | 0.05% | 7,913 | $764K | Add +1.9% |
| ZTS Zoetis Inc. | 0.05% | 5,120 | $749K | No change |
| CAT Caterpillar Inc. | 0.05% | 1,540 | $735K | Add +56.5% |
| RTX RTX Corp. | 0.05% | 4,362 | $730K | Add +3.0% |
| TSLA Tesla Inc. | 0.05% | 1,620 | $721K | Reduce -12.4% |
| LMT Lockheed Martin Corp. | 0.05% | 1,437 | $717K | Add +0.8% |
| UNP Union Pacific Corp. | 0.05% | 3,031 | $716K | Reduce -0.6% |
| TEL Te Connectivity PLC | 0.05% | 3,235 | $710K | Reduce -3.6% |
| NFLX Netflix Inc. | 0.04% | 562 | $674K | Add +4.1% |
| MTB M & T Bank Corp. filed as M & T BK CORP | 0.04% | 3,377 | $667K | Add +34.9% |
| VUG Vanguard Mrngstar GR ETF-Sui | 0.04% | 1,390 | $667K | No change |
| IBM Intl Business Machines Corp. filed as INTERNATIONAL BUSINESS MACHS | 0.04% | 2,358 | $665K | Add +15.8% |
| HD Home Depot Inc. | 0.04% | 1,558 | $631K | Add +8.3% |
| VEA Vanguard Ftse Developed ETF | 0.04% | 10,474 | $627K | No change |
| PM Philip Morris International | 0.04% | 3,831 | $621K | Add +13.8% |
| DFUS Dimensional US Eq MKT ETF | 0.04% | 8,289 | $600K | No change |
| IDXX Idexx Laboratories Inc. | 0.04% | 894 | $571K | No change |
| META Meta Platforms Inc. Class A | 0.03% | 725 | $532K | No change |
| PSLV Sprott Physical Silver Trust | 0.03% | 31,570 | $496K | No change |
| DHR Danaher Corp. | 0.03% | 2,275 | $452K | No change |
| CB Chubb Ltd. | 0.03% | 1,576 | $447K | Reduce -24.1% |
| ECL Ecolab Inc. | 0.03% | 1,618 | $444K | Add +19.2% |
| GE General Electric filed as GE AEROSPACE | 0.03% | 1,470 | $443K | Add +6.4% |
| IWM iShares Russell 2000 ETF | 0.03% | 1,783 | $431K | Add +1.1% |
| PANW Palo Alto Networks Inc. | 0.03% | 2,000 | $407K | No change |
| VB Vanguard Most SM-Cap ETF-Usd | 0.03% | 1,585 | $404K | No change |
| DGRW Wisdomtree U.S. Quality Divi | 0.03% | 4,536 | $404K | No change |
| KNSL Kinsale Capital Group Inc. | 0.03% | 944 | $401K | Reduce -20.7% |
| NOW ServiceNow Inc. | 0.03% | 430 | $396K | Add +4.6% |
| QCOM Qualcomm Inc. | 0.03% | 2,326 | $387K | Add +6.3% |
| TXN Texas Instruments Inc. | 0.02% | 2,051 | $377K | Add +40.2% |
| MAR Marriott International Class A | 0.02% | 1,373 | $358K | No change |
| MRSH Marsh & McLennan Cos | 0.02% | 1,767 | $356K | No change |
| KRBN KS Global Carbon Stratgy ETF | 0.02% | 10,695 | $347K | No change |
| IJR iShares Core S&P Small-Cap E | 0.02% | 2,915 | $346K | Add +3.8% |
| NEE Nextera Energy Inc. | 0.02% | 4,472 | $338K | Add +41.9% |
Portfolio Sells Q2 2025 → Q3 2025
| ICSH iShares Ultra Short Duration | Reduce -1.9% | 7.26% | −0.66 |
| VRTX Vertex Pharmaceuticals Inc. | Reduce -0.4% | 1.56% | −0.35 |
| AMZN Amazon.com Inc. | Reduce -0.1% | 3.47% | −0.25 |
| SNPS Synopsys Inc. | Reduce -0.3% | 1.78% | −0.21 |
| WM Waste Management Inc. | Reduce -0.1% | 1.75% | −0.20 |
| LLY Eli Lilly & Co. | Reduce -0.4% | 1.51% | −0.15 |
| EBTC Enterprise Bancorp Inc. | Sold out | 0.00% | −0.09 |
| AXP American Express Co. | Reduce -0.1% | 2.54% | −0.08 |
| SPYX SS SPDR S&P 500 Foss FL ETF | Reduce -11.4% | 0.37% | −0.04 |
| ADP Automatic Data Processing | Reduce -10.1% | 0.07% | −0.02 |
| KNSL Kinsale Capital Group Inc. | Reduce -20.7% | 0.03% | −0.01 |
| TJX TJX Companies Inc. | Reduce -27.1% | 0.05% | −0.01 |
| CB Chubb Ltd. | Reduce -24.1% | 0.03% | −0.01 |
| MELI MercadoLibre Inc. | Reduce -29.2% | 0.01% | −0.01 |
| ORLY O'reilly Automotive Inc. | Reduce -35.4% | 0.02% | −0.01 |
| ADI Analog Devices Inc. | Reduce -18.2% | 0.02% | −0.00 |
| XLI SS Industrial Select Sector | Reduce -70.9% | 0.00% | −0.00 |
| PFE Pfizer Inc. | Reduce -24.3% | 0.01% | −0.00 |
| EFAX State Street SPDR MSCI Eafe | Reduce -8.5% | 0.02% | −0.00 |
| BP BP PLC-Spons ADR | Reduce -97.5% | 0.00% | −0.00 |
| UNP Union Pacific Corp. | Reduce -0.6% | 0.05% | −0.00 |
| CLFD Clearfield Inc. | Sold out | 0.00% | −0.00 |
| IVW iShares S&P 500 Growth ETF | Reduce -4.9% | 0.06% | −0.00 |
| QUAL iShares MSCI USA Quality Fac | Reduce -14.0% | 0.01% | −0.00 |
| SLYV SS SPDR S&P 600 SC Val ETF | Sold out | 0.00% | −0.00 |
| ERIC Ericsson (lm) Tel-SP ADR | Reduce -24.2% | 0.00% | −0.00 |
| MDY State Street SPDR S&P Midcap | Reduce -12.7% | 0.01% | −0.00 |
| KLG WK Kellogg Co. | Sold out | 0.00% | −0.00 |
| MKC McCormick & Co.-Non VTG SHRS | Sold out | 0.00% | −0.00 |
| EFA iShares MSCI Eafe ETF | Reduce -11.3% | 0.00% | −0.00 |
| CHPT Chargepoint Holdings Inc. | Reduce -7.7% | 0.00% | 0.00 |
| LCID Lucid Group Inc. | Reduce -1.6% | 0.00% | 0.00 |
| SDG Ish MSCI Glob Sust Deve Goal | Reduce -1.1% | 0.12% | +0.00 |
| IWF iShares Russell 1000 Growth | Reduce -1.2% | 0.36% | +0.01 |
| TSLA Tesla Inc. | Reduce -12.4% | 0.05% | +0.01 |
| TEL Te Connectivity PLC | Reduce -3.6% | 0.05% | +0.01 |
| VTI VG Morningstar TS MKT ETF-US | Reduce -0.0% | 1.19% | +0.01 |
| PHYS Sprott Physical Gold Trust | Reduce -0.6% | 0.12% | +0.01 |
| PWR Quanta Services Inc. | Reduce -0.7% | 3.16% | +0.05 |
| TMO Thermo Fisher Scientific Inc. | Reduce -0.5% | 1.42% | +0.14 |
| GOOGL Alphabet Inc. Class A | Reduce -1.9% | 2.60% | +0.54 |
| APH Amphenol Corp. Class A | Reduce -0.8% | 4.89% | +0.67 |
Portfolio Buys Q2 2025 → Q3 2025
| NVDA Nvidia Corp. | Add +16.2% | 2.55% | +0.56 |
| AAPL Apple Inc. | Add +17.1% | 1.62% | +0.43 |
| INDB Independent Bank Corp. | New | 0.36% | +0.36 |
| NOC Northrop Grumman Corp. | Add +0.1% | 1.68% | +0.20 |
| SPY SS SPDR S&P 500 ETF Trust-US | Add +0.2% | 18.36% | +0.14 |
| GOOG Alphabet Inc. Class C | Add +1.9% | 0.54% | +0.13 |
| LOW Lowe's Cos Inc. | Add +2.7% | 1.43% | +0.11 |
| JPM JPMorgan Chase & Co. | Add +0.6% | 2.54% | +0.05 |
| AVGO Broadcom Inc. | Add +54.8% | 0.09% | +0.04 |
| MSI Motorola Solutions Inc. | Add +0.2% | 2.09% | +0.03 |
| CAT Caterpillar Inc. | Add +56.5% | 0.05% | +0.02 |
| ABBV Abbvie Inc. | Add +15.2% | 0.07% | +0.02 |
| JNJ Johnson & Johnson | Add +16.4% | 0.08% | +0.02 |
| MCD McDonald's Corp. | Add +24.2% | 0.09% | +0.02 |
| SPYM Ste STR SPDR PT S&P 500 ETF | New | 0.01% | +0.01 |
| VOO Vanguard S&P 500 ETF | Add +3.3% | 0.35% | +0.01 |
| XOM Exxon Mobil Corp. | Add +28.8% | 0.05% | +0.01 |
| ORCL Oracle Corp. | Add +5.1% | 0.05% | +0.01 |
| GD General Dynamics Corp. | Add +76.3% | 0.02% | +0.01 |
| IEMG iShares Core MSCI Emerging | New | 0.01% | +0.01 |
| MTB M & T Bank Corp. | Add +34.9% | 0.04% | +0.01 |
| TMUS T-Mobile US Inc. | Add +83.5% | 0.02% | +0.01 |
| BAC Bank of America Corp. | Add +172.2% | 0.01% | +0.01 |
| HSY The Hershey Co. | Add +57.9% | 0.02% | +0.01 |
| SPSM SS SPDR P S&P 600 Small Cap | New | 0.01% | +0.01 |
| WMB Williams Cos Inc. | New | 0.01% | +0.01 |
| DVY iShares Select Dividend ETF | New | 0.01% | +0.01 |
| APD Air Products & Chemicals Inc. | Add +1375.0% | 0.01% | +0.01 |
| HELO JPMorgan Hedged Equity ETF | New | 0.01% | +0.01 |
| NEE Nextera Energy Inc. | Add +41.9% | 0.02% | +0.01 |
| INTC Intel Corp. | Add +12.0% | 0.02% | +0.01 |
| AMGN Amgen Inc. | Add +82.6% | 0.01% | +0.01 |
| BLK BlackRock Inc. | Add +5.4% | 0.07% | +0.01 |
| F Ford Motor Co. | Add +3100.4% | 0.01% | +0.01 |
| MS Morgan Stanley | Add +3.7% | 0.07% | +0.01 |
| MDT Medtronic PLC | New | 0.01% | +0.01 |
| MO Altria Group Inc. | Add +27.5% | 0.02% | +0.00 |
| ABT Abbott Laboratories | Add +16.6% | 0.07% | +0.00 |
| IBIT iShares Bitcoin Trust ETF | New | 0.00% | +0.00 |
| RTX RTX Corp. | Add +3.0% | 0.05% | +0.00 |
| HD Home Depot Inc. | Add +8.3% | 0.04% | +0.00 |
| QQQ Invesco QQQ Trust Series 1 | Add +5.2% | 0.07% | +0.00 |
| USB US Bancorp | New | 0.00% | +0.00 |
| GE General Electric | Add +6.4% | 0.03% | +0.00 |
| ED Consolidated Edison Inc. | Add +42.5% | 0.02% | +0.00 |
| GILD Gilead Sciences Inc. | New | 0.00% | +0.00 |
| MRK Merck & Co. Inc. | Add +8.3% | 0.06% | +0.00 |
| SPMD SS SPDR P S&P 400 Midcap ETF | New | 0.00% | +0.00 |
| ECL Ecolab Inc. | Add +19.2% | 0.03% | +0.00 |
| TXN Texas Instruments Inc. | Add +40.2% | 0.02% | +0.00 |
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 324 | $1.7B | SPY, JPST, ICSH, APH, PWR |
| Q1 2026 | 323 | $1.6B | SPY, JPST, ICSH, APH, PWR |
| Q4 2025 | 329 | $1.6B | SPY, JPST, ICSH, APH, MSFT |
| Q3 2025 | 421 | $1.5B | SPY, JPST, ICSH, APH, MSFT |
| Q2 2025 | 343 | $1.4B | SPY, JPST, ICSH, APH, MSFT |
| Q1 2025 | 342 | $1.2B | SPY, JPST, ICSH, AMZN, MSFT |
| Q4 2024 | 379 | $1.3B | SPY, JPST, ICSH, AMZN, MSFT |
| Q3 2024 | 520 | $1.2B | SPY, JPST, MSFT, AMZN, ICSH |
| Q2 2024 | 332 | $1.1B | SPY, JPST, AMZN, MSFT, ICSH |
| Q1 2024 | 320 | $1.1B | SPY, JPST, AMZN, MSFT, ICSH |