DOSSIER · 13F-HR · Q1 2026

FOSTER DYKEMA CABOT & PARTNERS, LLC

$1.6B in tracked AUM across 323 positions as of Q1 2026.

FD
CIK 0002011882 · last filed Mar 31, 2026
Total AUM
$1.6B
as of Q1 2026
Holdings
323
positions
Whale Score
64
64
tracked
Activity
no data
changes this Q
AI Analysis · Q1 2026

FOSTER DYKEMA CABOT & PARTNERS, LLC filed its latest 13F-HR for Q1 2026. See the latest holdings and position changes below.

Quarter at a glance — Q1 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q1 2026.

#HoldingValueSharesWeight
01
SPY
STATE STR SPDR S&P 500 ETF T
$272M417K17.3%
02
JPST
J P MORGAN EXCHANGE TRADED F
$241M4.8M15.3%
03
ICSH
ISHARES TR
$210M4.2M13.4%
04
APH
AMPHENOL CORP
$63M501K4.0%
05
PWR
QUANTA SVCS INC
$55M100K3.5%
06
AMZN
AMAZON COM INC
$49M236K3.1%
07
GOOGL
ALPHABET INC
$47M165K3.0%
08
COST
COSTCO WHOLESALE CORPORATION
$45M45K2.9%
09
MSFT
MICROSOFT CORP
$42M114K2.7%
10
JPM
JPMORGAN CHASE & CO
$35M118K2.2%

Filing history

2026Q1Mar 31
$1.6B 3.4%
323 positionsView →
2025Q4Dec 31
$1.6B 6.8%
330 positionsView →
2025Q3Sep 30
$1.5B 7.2%
421 positionsView →
2025Q2Jun 30
$1.4B 14.1%
343 positionsLocked
2025Q1Mar 31
$1.2B 2.9%
342 positionsLocked
2024Q4Dec 31
$1.3B 7.7%
379 positionsLocked
2024Q3Sep 30
$1.2B 6.6%
520 positionsLocked
2024Q2Jun 30
$1.1B 4.1%
332 positionsLocked
2024Q1Mar 31
$1.1B 13.8%
320 positionsLocked
2023Q4Dec 31
$944M
317 positionsLocked