Foster Dykema Cabot & Partners, LLC
In its 13F for Q4 2025 (holdings as of December 31, 2025, filed February 12, 2026), Foster Dykema Cabot & Partners, LLC reported 329 stock positions worth $1.6 billion. Its top holding was SS SPDR S&P 500 ETF Trust-US (SPY) at 17.6% of the portfolio, followed by JPMorgan Ultra-Short Income (JPST, 15.2%) and iShares Ultra Short Duration (ICSH, 12.5%). Compared with Q3 2025, it opened 26 new positions, sold out of 118, added to 29 and reduced 144. The biggest buy was iShares Ultra Short Duration (ICSH, shares +85%) and the biggest sale Motorola Solutions (MSI, shares −99%).
- Most Recent 13F
- Q2 2026
- Location
- WALTHAM, MA
- CIK
- 0002011882
- Portfolio Value
- $1.6B (Q4 2025)
- SEC Filing
- 0002011882-26-000001 ↗ filed Feb 12, 2026
Holdings Value
Holdings 329 stocks · $1.6B
| SPY SS SPDR S&P 500 ETF Trust-US | 17.56% | 417,814 | $285.7M | Reduce -0.3% |
| JPST JPMorgan Ultra-Short Income | 15.24% | 4,884,480 | $248.0M | Add +26.3% |
| ICSH iShares Ultra Short Duration | 12.51% | 4,025,851 | $203.6M | Add +84.7% |
| APH Amphenol Corp. Class A | 4.25% | 510,294 | $69.1M | Reduce -15.2% |
| MSFT Microsoft Corp. | 3.37% | 113,455 | $54.9M | Add +0.5% |
| AMZN Amazon.com Inc. | 3.37% | 237,246 | $54.8M | Reduce -1.5% |
| GOOGL Alphabet Inc. Class A | 3.16% | 164,357 | $51.4M | Add +0.7% |
| PWR Quanta Services Inc. | 2.64% | 101,893 | $43.0M | Reduce -12.3% |
| AXP American Express Co. | 2.58% | 113,369 | $41.9M | Reduce -2.7% |
| COST Costco Wholesale Corp. | 2.40% | 45,237 | $39.0M | Add +7.2% |
| JPM JPMorgan Chase & Co. | 2.37% | 119,718 | $38.6M | Reduce -2.6% |
| NVDA Nvidia Corp. | 2.20% | 191,832 | $35.8M | Reduce -7.8% |
| GS Goldman Sachs Group Inc. | 1.99% | 36,889 | $32.4M | New |
| LLY Eli Lilly & Co. | 1.86% | 28,117 | $30.2M | Reduce -6.5% |
| ETN Eaton Corp. PLC | 1.80% | 92,060 | $29.3M | Reduce -0.4% |
| CTAS Cintas Corp. | 1.76% | 152,324 | $28.6M | Add +0.7% |
| WM Waste Management Inc. | 1.74% | 128,686 | $28.3M | Add +6.4% |
| BRK.B Berkshire Hathaway Inc. Class B | 1.74% | 56,186 | $28.2M | Reduce -2.3% |
| VRTX Vertex Pharmaceuticals Inc. | 1.63% | 58,344 | $26.5M | Reduce -3.9% |
| TMO Thermo Fisher Scientific Inc. | 1.61% | 45,240 | $26.2M | Add +1.1% |
| AAPL Apple Inc. | 1.60% | 96,068 | $26.1M | Reduce -0.9% |
| AVGO Broadcom Inc. | 1.54% | 72,394 | $25.1M | Add +1701.3% |
| NOC Northrop Grumman Corp. | 1.54% | 43,936 | $25.1M | Add +4.5% |
| IEFA iShares Core MSCI Eafe ETF | 1.53% | 278,270 | $24.9M | Add +2.8% |
| VTI VG Morningstar TS MKT ETF-US | 1.11% | 53,888 | $18.1M | Reduce -2.3% |
| GOOG Alphabet Inc. Class C | 0.61% | 31,698 | $9.9M | Reduce -6.5% |
| XLK SS Technology Select Sector | 0.48% | 54,592 | $7.9M | Reduce -1.2% |
| INDB Independent Bank Corp. | 0.37% | 82,067 | $6.0M | Add +3.9% |
| SPYX SS SPDR S&P 500 Foss FL ETF | 0.35% | 100,831 | $5.7M | Reduce -0.7% |
| IWF iShares Russell 1000 Growth | 0.31% | 10,765 | $5.1M | Reduce -7.6% |
| VOO Vanguard S&P 500 ETF | 0.31% | 8,120 | $5.1M | Reduce -5.9% |
| PG The Procter & Gamble Co. | 0.24% | 27,236 | $3.9M | Reduce -8.5% |
| IVV iShares Core S&P 500 ETF | 0.18% | 4,255 | $2.9M | Reduce -4.5% |
| IWD iShares Russell 1000 Value E | 0.13% | 9,753 | $2.1M | Reduce -17.9% |
| PHYS Sprott Physical Gold Trust | 0.12% | 58,084 | $1.9M | Reduce -2.9% |
| SDG Ish MSCI Glob Sust Deve Goal | 0.11% | 21,421 | $1.8M | Reduce -0.1% |
| WMT Walmart Inc. | 0.11% | 15,838 | $1.8M | Reduce -3.3% |
| V Visa Inc. Class A | 0.10% | 4,522 | $1.6M | Reduce -8.0% |
| SPGI S&P Global Inc. | 0.09% | 2,859 | $1.5M | No change |
| VEU Vanguard Ftse All-World Ex-U | 0.08% | 18,599 | $1.4M | Reduce -0.5% |
| PEP Pepsico Inc. | 0.08% | 9,134 | $1.3M | Reduce -6.6% |
| MCD McDonald's Corp. | 0.08% | 4,250 | $1.3M | Reduce -9.7% |
| MS Morgan Stanley | 0.07% | 6,473 | $1.1M | Reduce -3.3% |
| JNJ Johnson & Johnson | 0.07% | 5,153 | $1.1M | Reduce -19.7% |
| LOW Lowe's Cos Inc. | 0.07% | 4,385 | $1.1M | Reduce -95.0% |
| PLD Prologis Inc. | 0.06% | 8,149 | $1.0M | Reduce -1.0% |
| CSCO Cisco Systems Inc. | 0.06% | 13,455 | $1.0M | Reduce -15.7% |
| QQQ Invesco QQQ Trust Series 1 | 0.06% | 1,615 | $992K | Reduce -5.4% |
| IVW iShares S&P 500 Growth ETF | 0.06% | 8,043 | $991K | No change |
| BLK BlackRock Inc. | 0.06% | 881 | $943K | Reduce -4.3% |
| MRK Merck & Co. Inc. | 0.06% | 8,860 | $940K | Reduce -13.1% |
| ABBV Abbvie Inc. | 0.06% | 3,918 | $895K | Reduce -19.8% |
| ADP Automatic Data Processing | 0.05% | 3,320 | $860K | Reduce -3.2% |
| TJX TJX Companies Inc. filed as TJX COS INC NEW | 0.05% | 5,590 | $859K | Reduce -2.9% |
| KO The Coca-Cola Co. | 0.05% | 12,227 | $855K | Reduce -18.4% |
| CAT Caterpillar Inc. | 0.05% | 1,418 | $812K | Reduce -7.9% |
| ACN Accenture PLC Class A | 0.05% | 2,985 | $801K | Reduce -23.9% |
| RTX RTX Corp. | 0.05% | 4,257 | $781K | Reduce -2.4% |
| ABT Abbott Laboratories | 0.05% | 6,219 | $779K | Reduce -23.3% |
| VO Vngrd Mrngstr MD-Cap ETF-Usd | 0.05% | 2,553 | $741K | Reduce -49.6% |
| TEL Te Connectivity PLC | 0.05% | 3,235 | $736K | No change |
| PSLV Sprott Physical Silver Trust | 0.05% | 31,120 | $736K | Reduce -1.4% |
| TSLA Tesla Inc. | 0.04% | 1,542 | $693K | Reduce -4.8% |
| LMT Lockheed Martin Corp. | 0.04% | 1,425 | $689K | Reduce -0.8% |
| XOM Exxon Mobil Corp. | 0.04% | 5,645 | $679K | Reduce -23.1% |
| VUG Vanguard Mrngstar GR ETF-Sui | 0.04% | 1,390 | $678K | No change |
| ZTS Zoetis Inc. | 0.04% | 5,140 | $647K | Add +0.4% |
| UNP Union Pacific Corp. | 0.04% | 2,777 | $642K | Reduce -8.4% |
| VEA Vanguard Ftse Developed ETF | 0.04% | 10,255 | $641K | Reduce -2.1% |
| IWR iShares Russell Mid-Cap ETF | 0.04% | 6,351 | $611K | Reduce -19.7% |
| IDXX Idexx Laboratories Inc. | 0.04% | 895 | $605K | Add +0.1% |
| DIS The Walt Disney Co. filed as DISNEY WALT CO | 0.04% | 5,254 | $602K | Reduce -23.8% |
| IBM Intl Business Machines Corp. filed as INTERNATIONAL BUSINESS MACHS | 0.04% | 1,982 | $587K | Reduce -15.9% |
| DFUS Dimensional US Eq MKT ETF | 0.04% | 7,908 | $587K | Reduce -4.6% |
| PM Philip Morris International | 0.03% | 3,386 | $548K | Reduce -11.6% |
| ORCL Oracle Corp. | 0.03% | 2,787 | $543K | Reduce -3.9% |
| NFLX Netflix Inc. | 0.03% | 5,480 | $514K | Reduce -2.5% |
| DHR Danaher Corp. | 0.03% | 2,235 | $512K | Reduce -1.8% |
| KKR KKR & Co. Inc. | 0.03% | 3,981 | $507K | Reduce -97.9% |
| CB Chubb Ltd. | 0.03% | 1,576 | $493K | No change |
| MTB M & T Bank Corp. filed as M & T BK CORP | 0.03% | 2,253 | $454K | Reduce -33.3% |
| IWM iShares Russell 2000 ETF | 0.03% | 1,777 | $437K | Reduce -0.3% |
| GE General Electric filed as GE AEROSPACE | 0.03% | 1,399 | $431K | Reduce -4.8% |
| MAR Marriott International Class A | 0.03% | 1,373 | $426K | No change |
| DGRW Wisdomtree U.S. Quality Divi | 0.02% | 4,536 | $406K | No change |
| MSI Motorola Solutions Inc. | 0.02% | 960 | $390K | Reduce -98.6% |
| QCOM Qualcomm Inc. | 0.02% | 2,214 | $379K | Reduce -4.8% |
| KRBN KS Global Carbon Stratgy ETF | 0.02% | 10,695 | $379K | No change |
| KNSL Kinsale Capital Group Inc. | 0.02% | 944 | $369K | No change |
| HD Home Depot Inc. | 0.02% | 1,062 | $365K | Reduce -31.8% |
| META Meta Platforms Inc. Class A | 0.02% | 549 | $362K | Reduce -24.3% |
| ECL Ecolab Inc. | 0.02% | 1,333 | $351K | Reduce -17.6% |
| TSM Taiwan Semiconductor-SP ADR | 0.02% | 1,143 | $348K | No change |
| SNPS Synopsys Inc. | 0.02% | 727 | $341K | Reduce -98.7% |
| VB Vanguard Most SM-Cap ETF-Usd | 0.02% | 1,295 | $334K | Reduce -18.3% |
| VTV Vanguard Mrngstr Val ETF-Aui | 0.02% | 1,690 | $323K | No change |
| NOW ServiceNow Inc. | 0.02% | 2,030 | $311K | Reduce -5.6% |
| IJR iShares Core S&P Small-Cap E | 0.02% | 2,554 | $307K | Reduce -12.4% |
| VT Vanguard Tot World STK ETF | 0.02% | 2,157 | $304K | No change |
| IBDR iShares Ibonds Dec 2026 Term | 0.02% | 12,500 | $303K | No change |
Lines left out (1) · $14 — a value with no share or principal amount
| Security | Class | Shares | Value |
|---|---|---|---|
| EEM iShares MSCI Emerging Market | MSCI EMG MKT ETF | 0 | $14 |
Filed with a value but no share or principal amount (a cash line, a holding rounded to 0 shares), so they are kept out of the holdings, totals and percentages.
Total filed on the 13F, all lines: $1.6B.
Portfolio Sells Q3 2025 → Q4 2025
| MSI Motorola Solutions Inc. | Reduce -98.6% | 0.02% | −2.07 |
| SNPS Synopsys Inc. | Reduce -98.7% | 0.02% | −1.76 |
| KKR KKR & Co. Inc. | Reduce -97.9% | 0.03% | −1.58 |
| LOW Lowe's Cos Inc. | Reduce -95.0% | 0.07% | −1.37 |
| SPY SS SPDR S&P 500 ETF Trust-US | Reduce -0.3% | 17.56% | −0.80 |
| APH Amphenol Corp. Class A | Reduce -15.2% | 4.25% | −0.64 |
| PWR Quanta Services Inc. | Reduce -12.3% | 2.64% | −0.52 |
| ETN Eaton Corp. PLC | Reduce -0.4% | 1.80% | −0.47 |
| NVDA Nvidia Corp. | Reduce -7.8% | 2.20% | −0.35 |
| JPM JPMorgan Chase & Co. | Reduce -2.6% | 2.37% | −0.17 |
| BRK.B Berkshire Hathaway Inc. Class B | Reduce -2.3% | 1.74% | −0.16 |
| AMZN Amazon.com Inc. | Reduce -1.5% | 3.37% | −0.10 |
| VTI VG Morningstar TS MKT ETF-US | Reduce -2.3% | 1.11% | −0.08 |
| UNCFF Unicredit SPA | Sold out | 0.00% | −0.06 |
| PG The Procter & Gamble Co. | Reduce -8.5% | 0.24% | −0.06 |
| VO Vngrd Mrngstr MD-Cap ETF-Usd | Reduce -49.6% | 0.05% | −0.05 |
| IWF iShares Russell 1000 Growth | Reduce -7.6% | 0.31% | −0.04 |
| VOO Vanguard S&P 500 ETF | Reduce -5.9% | 0.31% | −0.03 |
| IWD iShares Russell 1000 Value E | Reduce -17.9% | 0.13% | −0.03 |
| XLK SS Technology Select Sector | Reduce -1.2% | 0.48% | −0.03 |
| ABT Abbott Laboratories | Reduce -23.3% | 0.05% | −0.02 |
| TMUS T-Mobile US Inc. | Sold out | 0.00% | −0.02 |
| ORCL Oracle Corp. | Reduce -3.9% | 0.03% | −0.02 |
| ABBV Abbvie Inc. | Reduce -19.8% | 0.06% | −0.02 |
| HD Home Depot Inc. | Reduce -31.8% | 0.02% | −0.02 |
| SPYX SS SPDR S&P 500 Foss FL ETF | Reduce -0.7% | 0.35% | −0.02 |
| XLF SS Financial Select Sector | Reduce -85.6% | 0.00% | −0.02 |
| IVV iShares Core S&P 500 ETF | Reduce -4.5% | 0.18% | −0.02 |
| HSY The Hershey Co. | Reduce -72.9% | 0.01% | −0.02 |
| IBDQ iShares Ibonds Dec 2025 Term | Sold out | 0.00% | −0.02 |
| MTB M & T Bank Corp. | Reduce -33.3% | 0.03% | −0.02 |
| DIS The Walt Disney Co. | Reduce -23.8% | 0.04% | −0.01 |
| AAPL Apple Inc. | Reduce -0.9% | 1.60% | −0.01 |
| K Kellanova | Sold out | 0.00% | −0.01 |
| ACN Accenture PLC Class A | Reduce -23.9% | 0.05% | −0.01 |
| TXN Texas Instruments Inc. | Reduce -51.7% | 0.01% | −0.01 |
| MCD McDonald's Corp. | Reduce -9.7% | 0.08% | −0.01 |
| ADP Automatic Data Processing | Reduce -3.2% | 0.05% | −0.01 |
| KO The Coca-Cola Co. | Reduce -18.4% | 0.05% | −0.01 |
| META Meta Platforms Inc. Class A | Reduce -24.3% | 0.02% | −0.01 |
| V Visa Inc. Class A | Reduce -8.0% | 0.10% | −0.01 |
| BAC Bank of America Corp. | Reduce -92.2% | 0.00% | −0.01 |
| XOM Exxon Mobil Corp. | Reduce -23.1% | 0.04% | −0.01 |
| NFLX Netflix Inc. | Reduce -2.5% | 0.03% | −0.01 |
| BLK BlackRock Inc. | Reduce -4.3% | 0.06% | −0.01 |
| IWR iShares Russell Mid-Cap ETF | Reduce -19.7% | 0.04% | −0.01 |
| JNJ Johnson & Johnson | Reduce -19.7% | 0.07% | −0.01 |
| GD General Dynamics Corp. | Reduce -42.6% | 0.01% | −0.01 |
| NEE Nextera Energy Inc. | Reduce -44.5% | 0.01% | −0.01 |
| IEMG iShares Core MSCI Emerging | Sold out | 0.00% | −0.01 |
Portfolio Buys Q3 2025 → Q4 2025
| ICSH iShares Ultra Short Duration | Add +84.7% | 12.51% | +5.26 |
| JPST JPMorgan Ultra-Short Income | Add +26.3% | 15.24% | +2.36 |
| GS Goldman Sachs Group Inc. | New | 1.99% | +1.99 |
| AVGO Broadcom Inc. | Add +1701.3% | 1.54% | +1.45 |
| GOOGL Alphabet Inc. Class A | Add +0.7% | 3.16% | +0.56 |
| TMO Thermo Fisher Scientific Inc. | Add +1.1% | 1.61% | +0.19 |
| DOV Dover Corp. | Add +449.2% | 0.01% | +0.01 |
| INDB Independent Bank Corp. | Add +3.9% | 0.37% | +0.01 |
| SLV iShares Silver Trust | New | 0.01% | +0.01 |
| AMAT Applied Materials Inc. | Add +3.9% | 0.01% | +0.00 |
| MU Micron Technology Inc. | New | 0.00% | +0.00 |
| AMP Ameriprise Financial Inc. | New | 0.00% | +0.00 |
| FAST Fastenal Co. | New | 0.00% | +0.00 |
| PLTR Palantir Technologies Inc. Class A | New | 0.00% | +0.00 |
| APO Apollo Global Management Inc. | New | 0.00% | +0.00 |
| NEM Newmont Corp. | Add +10.1% | 0.00% | +0.00 |
| PODD Insulet Corp. | New | 0.00% | +0.00 |
| LDOS Leidos Holdings Inc. | New | 0.00% | +0.00 |
| NRG NRG Energy Inc. | New | 0.00% | +0.00 |
| UBER Uber Technologies Inc. | New | 0.00% | +0.00 |
| ALB Albemarle Corp. | New | 0.00% | +0.00 |
| AEP American Electric Power | Add +56.3% | 0.00% | +0.00 |
| CCL Carnival Corp. | New | 0.00% | +0.00 |
| EPAM Epam Systems Inc. | New | 0.00% | +0.00 |
| FCX Freeport-McMoran Inc. | New | 0.00% | +0.00 |
| GEV GE Vernova Inc. | Add +1.4% | 0.01% | +0.00 |
| GM General Motors Co. | Add +135.7% | 0.00% | +0.00 |
| HII Huntington Ingalls Industrie | New | 0.00% | +0.00 |
| KR Kroger Co. | New | 0.00% | +0.00 |
| LHX L3HARRIS Technologies Inc. | New | 0.00% | +0.00 |
| LRCX Lam Research Corp. | New | 0.00% | +0.00 |
| EL Estee Lauder Companies Class A | New | 0.00% | +0.00 |
| MNST Monster Beverage Corp. | New | 0.00% | +0.00 |
| REGN Regeneron Pharmaceuticals | New | 0.00% | +0.00 |
| SCHW Schwab (charles) Corp. | New | 0.00% | +0.00 |
| TER Teradyne Inc. | New | 0.00% | +0.00 |
| WBD Warner Bros Discovery Inc. | Add +628.6% | 0.00% | +0.00 |
| STX Seagate Technology Holdings | New | 0.00% | +0.00 |
| DG Dollar General Corp. | New | 0.00% | 0.00 |
| NSC Norfolk Southern Corp. | Add +6.0% | 0.00% | −0.00 |
| CRWD CrowdStrike Holdings Inc. Class A | Add +2.2% | 0.00% | −0.00 |
| PEG Public Service Enterprise GP | Add +4.4% | 0.00% | −0.00 |
| IDXX Idexx Laboratories Inc. | Add +0.1% | 0.04% | −0.00 |
| ITOT iShares Core S&P Total U.S. | Add +0.1% | 0.01% | −0.00 |
| TT Trane Technologies PLC | Add +10.7% | 0.01% | −0.00 |
| RCL Royal Caribbean Cruises Ltd. | Add +4.0% | 0.00% | −0.00 |
| EMR Emerson Electric Co. | Add +1.3% | 0.01% | −0.00 |
| PFE Pfizer Inc. | Add +1.2% | 0.01% | −0.00 |
| ZTS Zoetis Inc. | Add +0.4% | 0.04% | −0.01 |
| WM Waste Management Inc. | Add +6.4% | 1.74% | −0.02 |
Notes & Other Activity Q3 2025 → Q4 2025
| EEM iShares MSCI Emerging Market | MSCI EMG MKT ETF | Reduce -100.0% | 0 | $14 |
Bonds, preferreds, convertibles and warrants; not part of the stock holdings or percentages above.
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 |