FOSTER DYKEMA CABOT & PARTNERS, LLC — 13F Holdings & Portfolio
CIK 2011882 · latest 13F-HR filed 2026-08-11
FOSTER DYKEMA CABOT & PARTNERS, LLC manages $1.72B in 13F-reported U.S. long-equity assets across 324 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are SPY (18.06%), JPST (14.20%), ICSH (12.43%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 9 new positions, exited 8, added to 164, and trimmed 70.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
SUITE 200
WALTHAM, MA 02451
$1.72B
Long-equity book
324
Distinct positions
2026-06-30
Filed 2026-08-11
+9 / −8 / ↑164 / ↓70
vs 2026-03-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- STATE STR SPDR S&P 500 ETF T$38.9M +14.3%
- AMPHENOL CORP$23.1M +36.3%
- QUANTA SVCS INC$13.7M +24.9%
- ALPHABET INC$11.3M +23.9%
- ELI LILLY & CO$7.8M +30.2%
Top Trims
- NORTHROP GRUMMAN CORP-$7.5M -25.3%
- COSTCO WHOLESALE CORPORATION-$2.9M -6.4%
- THERMO FISHER SCIENTIFIC INC-$1.3M -5.7%
- ZOETIS INC-$583.8K -98.0%
- ACCENTURE PLC IRELAND-$511.7K -93.7%
New Positions
- SPACE EXPLORATION TECHN CORP$341.7K
- NEBIUS GROUP N.V.$107.2K
- ISHARES INC$91.5K
- HONEYWELL INTL INC$87.8K
- HONEYWELL AEROSPACE INC$86.7K
Exited Positions
- HONEYWELL INTL INC$177.4K
- GENERAL MILLS INC$80.8K
- BEST BUY INC$67.4K
- SELECT SECTOR SPDR TR$39.9K
- MOSAIC CO$19.1K
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | STATE STR SPDR S&P 500 ETF T | SPY | 78462F103 | $310.9M | 18.06% | 415,216 | SH |
| 2 | J P MORGAN EXCHANGE TRADED F | JPST | 46641Q837 | $244.3M | 14.20% | 4,831,585 | SH |
| 3 | ISHARES TR | ICSH | 46434V878 | $213.9M | 12.43% | 4,228,824 | SH |
| 4 | AMPHENOL CORP | APH | 032095101 | $86.6M | 5.03% | 490,184 | SH |
| 5 | QUANTA SVCS INC | PWR | 74762E102 | $68.8M | 4.00% | 95,528 | SH |
| 6 | ALPHABET INC | GOOGL | 02079K305 | $58.8M | 3.42% | 164,599 | SH |
| 7 | AMAZON COM INC | AMZN | 023135106 | $56.0M | 3.25% | 234,823 | SH |
| 8 | MICROSOFT CORP | MSFT | 594918104 | $42.8M | 2.49% | 114,756 | SH |
| 9 | COSTCO WHOLESALE CORPORATION | COST | 22160K105 | $42.0M | 2.44% | 44,950 | SH |
| 10 | AMERICAN EXPRESS CO | AXP | 025816109 | $38.8M | 2.26% | 114,771 | SH |
| 11 | JPMORGAN CHASE & CO | JPM | 46625H100 | $38.8M | 2.25% | 118,488 | SH |
| 12 | GOLDMAN SACHS GROUP INC | GS | 38141G104 | $38.3M | 2.22% | 37,840 | SH |
| 13 | EATON CORP PLC | ETN | G29183103 | $38.1M | 2.21% | 89,386 | SH |
| 14 | NVIDIA CORPORATION | NVDA | 67066G104 | $37.4M | 2.18% | 187,161 | SH |
| 15 | ELI LILLY & CO | LLY | 532457108 | $33.6M | 1.95% | 28,025 | SH |
| 16 | VERTEX PHARMACEUTICALS INC | VRTX | 92532F100 | $28.9M | 1.68% | 58,233 | SH |
| 17 | BROADCOM INC | AVGO | 11135F101 | $28.6M | 1.66% | 75,826 | SH |
| 18 | WASTE MGMT INC DEL | WM | 94106L109 | $28.6M | 1.66% | 128,426 | SH |
| 19 | BERKSHIRE HATHAWAY INC DEL | BRK.B | 084670702 | $27.7M | 1.61% | 55,263 | SH |
| 20 | APPLE INC | AAPL | 037833100 | $26.9M | 1.56% | 93,009 | SH |
| 21 | CINTAS CORP | CTAS | 172908105 | $26.0M | 1.51% | 152,915 | SH |
| 22 | ISHARES TR | IEFA | 46432F842 | $25.7M | 1.49% | 266,087 | SH |
| 23 | NORTHROP GRUMMAN CORP | NOC | 666807102 | $22.0M | 1.28% | 43,114 | SH |
| 24 | THERMO FISHER SCIENTIFIC INC | TMO | 883556102 | $20.9M | 1.22% | 41,685 | SH |
| 25 | VANGUARD INDEX FDS | VTI | 922908769 | $19.7M | 1.14% | 53,235 | SH |
| 26 | ALPHABET INC | GOOG | 02079K107 | $10.9M | 0.63% | 30,795 | SH |
| 27 | SELECT SECTOR SPDR TR | XLK | 81369Y803 | $10.3M | 0.60% | 54,152 | SH |
| 28 | INDEPENDENT BK CORP MASS | INDB | 453836108 | $6.9M | 0.40% | 82,067 | SH |
| 29 | SPDR SERIES TRUST | SPYX | 78468R796 | $6.2M | 0.36% | 100,831 | SH |
| 30 | VANGUARD INDEX FDS | VOO | 922908363 | $5.5M | 0.32% | 7,971 | SH |
| 31 | ISHARES TR | IWF | 464287614 | $5.2M | 0.30% | 42,269 | SH |
| 32 | PROCTER & GAMBLE CO | PG | 742718109 | $3.8M | 0.22% | 25,877 | SH |
| 33 | ISHARES TR | IVV | 464287200 | $3.1M | 0.18% | 4,074 | SH |
| 34 | ISHARES TR | IWD | 464287598 | $2.3M | 0.13% | 9,581 | SH |
| 35 | ISHARES TR | SDG | 46435G532 | $1.9M | 0.11% | 21,421 | SH |
| 36 | WALMART INC | WMT | 931142103 | $1.8M | 0.10% | 15,938 | SH |
| 37 | SPROTT ASSET MANAGEMENT LP | PHYS | 85207H104 | $1.7M | 0.10% | 57,942 | SH |
| 38 | CISCO SYS INC | CSCO | 17275R102 | $1.6M | 0.10% | 14,028 | SH |
| 39 | VANGUARD INTL EQUITY INDEX F | VEU | 922042775 | $1.6M | 0.09% | 18,599 | SH |
| 40 | CATERPILLAR INC | CAT | 149123101 | $1.6M | 0.09% | 1,458 | SH |
| 41 | MORGAN STANLEY | MS | 617446448 | $1.4M | 0.08% | 6,473 | SH |
| 42 | VISA INC | V | 92826C839 | $1.3M | 0.08% | 3,876 | SH |
| 43 | JOHNSON & JOHNSON | JNJ | 478160104 | $1.3M | 0.08% | 5,153 | SH |
| 44 | S&P GLOBAL INC | SPGI | 78409V104 | $1.2M | 0.07% | 2,859 | SH |
| 45 | PEPSICO INC | PEP | 713448108 | $1.2M | 0.07% | 8,572 | SH |
| 46 | MCDONALDS CORP | MCD | 580135101 | $1.1M | 0.07% | 4,250 | SH |
| 47 | INVESCO QQQ TR | QQQ | 46090E103 | $1.1M | 0.07% | 1,528 | SH |
| 48 | MERCK & CO INC | MRK | 58933Y105 | $1.1M | 0.06% | 8,626 | SH |
| 49 | PROLOGIS INC. | PLD | 74340W103 | $1.1M | 0.06% | 8,149 | SH |
| 50 | ISHARES TR | IVW | 464287309 | $989.8K | 0.06% | 7,197 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-11 | $1.72B | 324 | 0002011882-26-000003 |
| 2026-03-31 | 2026-05-14 | $1.57B | 323 | 0002011882-26-000002 |
| 2025-12-31 | 2026-02-12 | $1.63B | 330 | 0002011882-26-000001 |
| 2025-09-30 | 2025-11-12 | $1.52B | 421 | 0002011882-25-000005 |