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East Coast Asset Management, LLC.

Q1 2026 13F Holdings

  • Location
    essex, MA
  • Num holdings

    68

  • Value ($000)

    $303,446

  • Date Filed
    05/15/2026
  • Form type
    13F-HR
  • CIK
    0001579254
  • All SEC filings
  • Note
    Holdings aggregated across “other managers” listed in original SEC filing, see here for detailed holdings broken out by other managers
Compare Q1 2026 to
Select Quarter
Issuer Name
Class
CUSIP
VALUE
%
Shares
Principal
Option Type
G
GOOG

ALPHABET INC

CAP STK CL C
02079K107
$47.61M
16 %

165,966

T
TSLA

TESLA INC

COM
88160R101
$37.12M
12 %

99,862

---

PERIMETER SOLUTIONS INC

COMMON STOCK
71385M107
$33.15M
11 %

1,357,583

---

TRANSDIGM GROUP INC

COM
893641100
$26.91M
9 %

23,220

S
SATS

ECHOSTAR CORP

CL A
278768106
$16.07M
5 %

137,244

B
BRK.B

BERKSHIRE HATHAWAY INC DEL

CL B NEW
084670702
$14.45M
5 %

30,163

A
AMZN

AMAZON COM INC

COM
023135106
$12.39M
4 %

59,474

M
MA

MASTERCARD INCORPORATED

CL A
57636Q104
$11.43M
4 %

22,883

W
WWD

WOODWARD INC

COM
980745103
$10.28M
3 %

28,729

A
AAPL

APPLE INC

COM
037833100
$9.82M
3 %

38,704

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