Largest positions
| Issuer | Class | Value | Share |
|---|---|---|---|
| State Str SPDR S&P 500 ETF TTR UNIT | TR UNIT | $311M | 18.1% |
| J P Morgan Exchange Traded FULTRA SHRT ETF | ULTRA SHRT ETF | $244M | 14.2% |
| iShares TRULTRA SHORT DUR | ULTRA SHORT DUR | $214M | 12.4% |
| Amphenol Corp.CL A | CL A | $86.6M | 5.0% |
| Quanta Svcs Inc.COM | COM | $68.8M | 4.0% |
| Alphabet Inc.CAP STK CL A | CAP STK CL A | $58.8M | 3.4% |
| Amazon Com Inc.COM | COM | $56M | 3.3% |
| Microsoft Corp.COM | COM | $42.8M | 2.5% |
| Costco Wholesale CorporationCOM | COM | $42M | 2.4% |
| American Express COCOM | COM | $38.8M | 2.3% |
| JPMORGAN Chase & COCOM | COM | $38.8M | 2.3% |
| Goldman Sachs Group Inc.COM | COM | $38.3M | 2.2% |
| Eaton Corp. PLCSHS | SHS | $38.1M | 2.2% |
| Nvidia CorporationCOM | COM | $37.4M | 2.2% |
| Eli Lilly & COCOM | COM | $33.6M | 2.0% |
| Vertex Pharmaceuticals Inc.COM | COM | $28.9M | 1.7% |
| Broadcom Inc.COM | COM | $28.6M | 1.7% |
| Waste Mgmt Inc. DelCOM | COM | $28.6M | 1.7% |
| Berkshire Hathaway Inc. DelCL B NEW | CL B NEW | $27.7M | 1.6% |
| Apple Inc.COM | COM | $26.9M | 1.6% |
| Cintas Corp.COM | COM | $26M | 1.5% |
| iShares TRCORE MSCI EAFE | CORE MSCI EAFE | $25.7M | 1.5% |
| Northrop Grumman Corp.COM | COM | $22M | 1.3% |
| Thermo Fisher Scientific Inc.COM | COM | $20.9M | 1.2% |
| Vanguard Index FdsTOTAL STK MKT | TOTAL STK MKT | $19.7M | 1.1% |
| Alphabet Inc.CAP STK CL C | CAP STK CL C | $10.9M | 0.6% |
| Select Sector SPDR TRST STR TECHN ETF | ST STR TECHN ETF | $10.3M | 0.6% |
| Independent BK Corp. MassCOM | COM | $6.92M | 0.4% |
| SPDR Series TrustST STR SP500FF | ST STR SP500FF | $6.16M | 0.4% |
| Vanguard Index FdsS&P 500 ETF SHS | S&P 500 ETF SHS | $5.47M | 0.3% |
| iShares TRRUS 1000 GRW ETF | RUS 1000 GRW ETF | $5.25M | 0.3% |
| Procter & Gamble COCOM | COM | $3.79M | 0.2% |
| iShares TRCORE S&P500 ETF | CORE S&P500 ETF | $3.05M | 0.2% |
| iShares TRRUS 1000 VAL ETF | RUS 1000 VAL ETF | $2.32M | 0.1% |
| iShares TRMSCI GBL SUS DEV | MSCI GBL SUS DEV | $1.92M | 0.1% |
| Walmart Inc.COM | COM | $1.81M | 0.1% |
| Sprott Asset Management LPPHYSICAL GOLD TR | PHYSICAL GOLD TR | $1.75M | 0.1% |
| Cisco Sys Inc.COM | COM | $1.65M | 0.1% |
| Vanguard Intl Equity Index FALLWRLD EX US | ALLWRLD EX US | $1.56M | 0.1% |
| Caterpillar Inc.COM | COM | $1.55M | 0.1% |
| Morgan StanleyCOM NEW | COM NEW | $1.35M | 0.1% |
| Visa Inc.COM CL A | COM CL A | $1.33M | 0.1% |
| Johnson & JohnsonCOM | COM | $1.31M | 0.1% |
| S&P Global Inc.COM | COM | $1.16M | 0.1% |
| Pepsico Inc.COM | COM | $1.16M | 0.1% |
| Mcdonalds Corp.COM | COM | $1.15M | 0.1% |
| Invesco Qqq TRUNIT SER 1 | UNIT SER 1 | $1.13M | 0.1% |
| Merck & CO Inc.COM | COM | $1.12M | 0.1% |
| Prologis Inc..COM | COM | $1.1M | 0.1% |
| iShares TRS&P 500 GRWT ETF | S&P 500 GRWT ETF | $990K | 0.1% |
State Str SPDR S&P 500 ETF TTR UNIT$311M
- Class
- TR UNIT
- Share
- 18.1%
J P Morgan Exchange Traded FULTRA SHRT ETF$244M
- Class
- ULTRA SHRT ETF
- Share
- 14.2%
iShares TRULTRA SHORT DUR$214M
- Class
- ULTRA SHORT DUR
- Share
- 12.4%
Amphenol Corp.CL A$86.6M
- Class
- CL A
- Share
- 5.0%
Quanta Svcs Inc.COM$68.8M
- Class
- COM
- Share
- 4.0%
Alphabet Inc.CAP STK CL A$58.8M
- Class
- CAP STK CL A
- Share
- 3.4%
Amazon Com Inc.COM$56M
- Class
- COM
- Share
- 3.3%
Microsoft Corp.COM$42.8M
- Class
- COM
- Share
- 2.5%
Costco Wholesale CorporationCOM$42M
- Class
- COM
- Share
- 2.4%
American Express COCOM$38.8M
- Class
- COM
- Share
- 2.3%
JPMORGAN Chase & COCOM$38.8M
- Class
- COM
- Share
- 2.3%
Goldman Sachs Group Inc.COM$38.3M
- Class
- COM
- Share
- 2.2%
Eaton Corp. PLCSHS$38.1M
- Class
- SHS
- Share
- 2.2%
Nvidia CorporationCOM$37.4M
- Class
- COM
- Share
- 2.2%
Eli Lilly & COCOM$33.6M
- Class
- COM
- Share
- 2.0%
Vertex Pharmaceuticals Inc.COM$28.9M
- Class
- COM
- Share
- 1.7%
Broadcom Inc.COM$28.6M
- Class
- COM
- Share
- 1.7%
Waste Mgmt Inc. DelCOM$28.6M
- Class
- COM
- Share
- 1.7%
Berkshire Hathaway Inc. DelCL B NEW$27.7M
- Class
- CL B NEW
- Share
- 1.6%
Apple Inc.COM$26.9M
- Class
- COM
- Share
- 1.6%
Cintas Corp.COM$26M
- Class
- COM
- Share
- 1.5%
iShares TRCORE MSCI EAFE$25.7M
- Class
- CORE MSCI EAFE
- Share
- 1.5%
Northrop Grumman Corp.COM$22M
- Class
- COM
- Share
- 1.3%
Thermo Fisher Scientific Inc.COM$20.9M
- Class
- COM
- Share
- 1.2%
Vanguard Index FdsTOTAL STK MKT$19.7M
- Class
- TOTAL STK MKT
- Share
- 1.1%
Alphabet Inc.CAP STK CL C$10.9M
- Class
- CAP STK CL C
- Share
- 0.6%
Select Sector SPDR TRST STR TECHN ETF$10.3M
- Class
- ST STR TECHN ETF
- Share
- 0.6%
Independent BK Corp. MassCOM$6.92M
- Class
- COM
- Share
- 0.4%
SPDR Series TrustST STR SP500FF$6.16M
- Class
- ST STR SP500FF
- Share
- 0.4%
Vanguard Index FdsS&P 500 ETF SHS$5.47M
- Class
- S&P 500 ETF SHS
- Share
- 0.3%
iShares TRRUS 1000 GRW ETF$5.25M
- Class
- RUS 1000 GRW ETF
- Share
- 0.3%
Procter & Gamble COCOM$3.79M
- Class
- COM
- Share
- 0.2%
iShares TRCORE S&P500 ETF$3.05M
- Class
- CORE S&P500 ETF
- Share
- 0.2%
iShares TRRUS 1000 VAL ETF$2.32M
- Class
- RUS 1000 VAL ETF
- Share
- 0.1%
iShares TRMSCI GBL SUS DEV$1.92M
- Class
- MSCI GBL SUS DEV
- Share
- 0.1%
Walmart Inc.COM$1.81M
- Class
- COM
- Share
- 0.1%
Sprott Asset Management LPPHYSICAL GOLD TR$1.75M
- Class
- PHYSICAL GOLD TR
- Share
- 0.1%
Cisco Sys Inc.COM$1.65M
- Class
- COM
- Share
- 0.1%
Vanguard Intl Equity Index FALLWRLD EX US$1.56M
- Class
- ALLWRLD EX US
- Share
- 0.1%
Caterpillar Inc.COM$1.55M
- Class
- COM
- Share
- 0.1%
Morgan StanleyCOM NEW$1.35M
- Class
- COM NEW
- Share
- 0.1%
Visa Inc.COM CL A$1.33M
- Class
- COM CL A
- Share
- 0.1%
Johnson & JohnsonCOM$1.31M
- Class
- COM
- Share
- 0.1%
S&P Global Inc.COM$1.16M
- Class
- COM
- Share
- 0.1%
Pepsico Inc.COM$1.16M
- Class
- COM
- Share
- 0.1%
Mcdonalds Corp.COM$1.15M
- Class
- COM
- Share
- 0.1%
Invesco Qqq TRUNIT SER 1$1.13M
- Class
- UNIT SER 1
- Share
- 0.1%
Merck & CO Inc.COM$1.12M
- Class
- COM
- Share
- 0.1%
Prologis Inc..COM$1.1M
- Class
- COM
- Share
- 0.1%
iShares TRS&P 500 GRWT ETF$990K
- Class
- S&P 500 GRWT ETF
- Share
- 0.1%
The share class is shown on a wider screen.
The 50 largest of 324 positions by value, with holdings of the same security combined. The 200 largest are in this firm's machine-readable record. Share counts and quarter-on-quarter changes for each position are on EDGAR. View the full information table on EDGAR
This filing
- Form
- 13F-HR
- CIK
- 2011882
- File number
- 028-23799
- Options
- 0 call, 0 put
- In the 25 largest
- 93.2%
- Prior quarter
- $1.57B at 31 March 2026
- Positions opened
- 9
- Positions closed
- 8
Common questions
What are Foster Dykema Cabot & Partners’ 13F holdings worth?
$1.72 billion across 324 positions for the quarter ended 30 June 2026.
What is Foster Dykema Cabot & Partners’ largest 13F holding?
STATE STR SPDR S&P 500 ETF T (TR UNIT) was the largest position at $311 million, or 18.1% of reported 13F value, as of 30 June 2026.
How concentrated is Foster Dykema Cabot & Partners’ 13F portfolio?
The ten largest positions accounted for 67.6% of reported value and the twenty-five largest for 93.2%, across 324 positions as of 30 June 2026.
Does Form 13F show everything Foster Dykema Cabot & Partners manages?
No. Form 13F covers only long positions in exchange-traded securities over which the manager has investment discretion, valued at quarter end. It excludes cash, most bonds, private funds, and any assets the firm does not have discretion over, so it is neither the firm's total assets nor any individual client's portfolio.
How often does Foster Dykema Cabot & Partners file its 13F?
Every quarter. Managers file within 45 days of each quarter's end, so the figures are a snapshot that changes between filings. This page shows the quarter ended 30 June 2026.
Answered from this filing and the prior quarter's.