Terminal · Institutions

Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.

FOSTER DYKEMA CABOT & PARTNERS, LLC 13F Holdings -- Portfolio & Top Positions (2026-03-31)

FOSTER DYKEMA CABOT & PARTNERS, LLC (CIK 2011882) reported $1.57B across 321 reported positions in its SEC 13F filing for 2026-03-31. Largest positions: SPY ($271.9M, 17.30%), JPST ($240.9M, 15.32%), ICSH ($210.3M, 13.38%), APH ($63.5M, 4.04%), PWR ($55.1M, 3.50%). Source: SEC Form 13F.

RankTickerCompanyValue% PortfolioSharesAction
1SPYSTATE STR SPDR S&P 500 ETF T$271.9M17.30%417,001Trimmed
2JPSTJ P MORGAN EXCHANGE TRADED F$240.9M15.32%4.8MTrimmed
3ICSHISHARES TR$210.3M13.38%4.2MAdded
4APHAMPHENOL CORP$63.5M4.04%501,462Trimmed
5PWRQUANTA SVCS INC$55.1M3.50%100,312Trimmed
6AMZNAMAZON COM INC$49.2M3.13%236,429Trimmed
7GOOGLALPHABET INC$47.5M3.02%165,126Added
8COSTCOSTCO WHOLESALE CORPORATION$44.9M2.86%45,089Trimmed
9MSFTMICROSOFT CORP$42.2M2.68%113,927Added
10JPMJPMORGAN CHASE & CO$34.9M2.22%118,474Trimmed
11AXPAMERICAN EXPRESS CO$34.4M2.19%113,749Added
12NVDANVIDIA CORPORATION$33.0M2.10%189,078Trimmed
13ETNEATON CORP PLC$32.7M2.08%91,438Trimmed
14GSGOLDMAN SACHS GROUP INC$31.9M2.03%37,766Added
15WMWASTE MGMT INC DEL$29.5M1.88%128,314Trimmed
16NOCNORTHROP GRUMMAN CORP$29.4M1.87%43,111Trimmed
17BRK/BBERKSHIRE HATHAWAY INC DEL$26.8M1.70%55,901Trimmed
18VRTXVERTEX PHARMACEUTICALS INC$25.8M1.64%57,792Trimmed
19LLYELI LILLY & CO$25.8M1.64%28,073Trimmed
20CTASCINTAS CORP$25.6M1.63%151,639Trimmed
21IEFAISHARES TR$24.8M1.58%273,806Trimmed
22AAPLAPPLE INC$23.9M1.52%94,336Trimmed
23AVGOBROADCOM INC$23.3M1.48%75,391Added
24TMOTHERMO FISHER SCIENTIFIC INC$22.2M1.41%45,103Trimmed
25VTIVANGUARD INDEX FDS$17.2M1.09%53,492Trimmed

Source: SEC Form 13F filings · as of 2026-03-31