Filed: 5/15/2026ACC: 0001579254-26-000003
📋 What this filing means
EAST COAST ASSET MANAGEMENT, LLC. filed this quarterly 13F‑HR report disclosing 68 equity positions with a total reported market value of $303.45M. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
68
Positions
$303.45M
Total AUM (reported)
2.37M
Total Shares
Allocation by class
COM$151.15M49.8%
CAP STK CL C$47.61M15.7%
CL A$38.22M12.6%
COMMON STOCK$33.15M10.9%
CL B NEW$14.45M4.8%
COM CL A$4.85M1.6%
TR UNIT$3.28M1.1%
Portfolio Concentration
Top 3$117.88M38.8%
4–10$101.36M33.4%
11–25$60.80M20.0%
Rest$23.40M7.7%
Top 3 weight
38.8%
Top 10 weight
72.3%
Voting Authority Distribution
Total shares with voting rights: 2.37M
Sole
Full voting authority
2.37M
shares
% of voting shares100.0%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
0.00
shares
% of voting shares0.0%
Investment Discretion (by position count)
Sole68
Shared0
Other0
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings68
Rows:
ALPHABET INC
SOLEShares165.97K
TypeSH
Market value$47.61M
15.69%
Sole
165.97K
Shared
0.00
None
0.00
TESLA INC
SOLEShares99.86K
TypeSH
Market value$37.12M
12.23%
Sole
99.86K
Shared
0.00
None
0.00
PERIMETER SOLUTIONS INC
SOLEShares1.36M
TypeSH
Market value$33.15M
10.93%
Sole
1.36M
Shared
0.00
None
0.00
TRANSDIGM GROUP INC
SOLEShares23.22K
TypeSH
Market value$26.91M
8.87%
Sole
23.22K
Shared
0.00
None
0.00
ECHOSTAR CORP
SOLEShares137.24K
TypeSH
Market value$16.07M
5.29%
Sole
137.24K
Shared
0.00
None
0.00
BERKSHIRE HATHAWAY INC DEL
SOLEShares30.16K
TypeSH
Market value$14.45M
4.76%
Sole
30.16K
Shared
0.00
None
0.00
AMAZON COM INC
SOLEShares59.47K
TypeSH
Market value$12.39M
4.08%
Sole
59.47K
Shared
0.00
None
0.00
MASTERCARD INCORPORATED
SOLEShares22.88K
TypeSH
Market value$11.43M
3.77%
Sole
22.88K
Shared
0.00
None
0.00
WOODWARD INC
SOLEShares28.73K
TypeSH
Market value$10.28M
3.39%
Sole
28.73K
Shared
0.00
None
0.00
APPLE INC
SOLEShares38.70K
TypeSH
Market value$9.82M
3.24%
Sole
38.70K
Shared
0.00
None
0.00
META PLATFORMS INC
SOLEShares14.20K
TypeSH
Market value$8.13M
2.68%
Sole
14.20K
Shared
0.00
None
0.00
TJX COS INC NEW
SOLEShares45.04K
TypeSH
Market value$7.19M
2.37%
Sole
45.04K
Shared
0.00
None
0.00
MOODYS CORP
SOLEShares13.83K
TypeSH
Market value$6.03M
1.99%
Sole
13.83K
Shared
0.00
None
0.00
DEERE & CO
SOLEShares10.15K
TypeSH
Market value$5.72M
1.88%
Sole
10.15K
Shared
0.00
None
0.00
VISA INC
SOLEShares16.04K
TypeSH
Market value$4.85M
1.60%
Sole
16.04K
Shared
0.00
None
0.00
SCHWAB CHARLES CORP
SOLEShares44.12K
TypeSH
Market value$4.15M
1.37%
Sole
44.12K
Shared
0.00
None
0.00
MARKEL GROUP INC
SOLEShares2.07K
TypeSH
Market value$3.96M
1.30%
Sole
2.07K
Shared
0.00
None
0.00
SHERWIN WILLIAMS CO
SOLEShares10.38K
TypeSH
Market value$3.33M
1.10%
Sole
10.38K
Shared
0.00
None
0.00
STATE STR SPDR S&P 500 ETF T
SOLEShares5.04K
TypeSH
Market value$3.28M
1.08%
Sole
5.04K
Shared
0.00
None
0.00
WASTE MGMT INC DEL
SOLEShares13.32K
TypeSH
Market value$3.06M
1.01%
Sole
13.32K
Shared
0.00
None
0.00
MICROSOFT CORP
SOLEShares7.98K
TypeSH
Market value$2.96M
0.97%
Sole
7.98K
Shared
0.00
None
0.00
LOUISIANA PAC CORP
SOLEShares31.43K
TypeSH
Market value$2.29M
0.75%
Sole
31.43K
Shared
0.00
None
0.00
BERKSHIRE HATHAWAY INC DEL
SOLEShares3.00
TypeSH
Market value$2.15M
0.71%
Sole
3.00
Shared
0.00
None
0.00
UNION PAC CORP
SOLEShares8.19K
TypeSH
Market value$1.99M
0.66%
Sole
8.19K
Shared
0.00
None
0.00
COLGATE PALMOLIVE CO
SOLEShares20.26K
TypeSH
Market value$1.73M
0.57%
Sole
20.26K
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
ALPHABET INCSOLE | CAP STK CL C | 165.97K | SH | $47.61M 15.69% | 165.97K | 0.00 | 0.00 |
TESLA INCSOLE | COM | 99.86K | SH | $37.12M 12.23% | 99.86K | 0.00 | 0.00 |
PERIMETER SOLUTIONS INCSOLE | COMMON STOCK | 1.36M | SH | $33.15M 10.93% | 1.36M | 0.00 | 0.00 |
TRANSDIGM GROUP INCSOLE | COM | 23.22K | SH | $26.91M 8.87% | 23.22K | 0.00 | 0.00 |
ECHOSTAR CORPSOLE | CL A | 137.24K | SH | $16.07M 5.29% | 137.24K | 0.00 | 0.00 |
BERKSHIRE HATHAWAY INC DELSOLE | CL B NEW | 30.16K | SH | $14.45M 4.76% | 30.16K | 0.00 | 0.00 |
AMAZON COM INCSOLE | COM | 59.47K | SH | $12.39M 4.08% | 59.47K | 0.00 | 0.00 |
MASTERCARD INCORPORATEDSOLE | CL A | 22.88K | SH | $11.43M 3.77% | 22.88K | 0.00 | 0.00 |
WOODWARD INCSOLE | COM | 28.73K | SH | $10.28M 3.39% | 28.73K | 0.00 | 0.00 |
APPLE INCSOLE | COM | 38.70K | SH | $9.82M 3.24% | 38.70K | 0.00 | 0.00 |
META PLATFORMS INCSOLE | CL A | 14.20K | SH | $8.13M 2.68% | 14.20K | 0.00 | 0.00 |
TJX COS INC NEWSOLE | COM | 45.04K | SH | $7.19M 2.37% | 45.04K | 0.00 | 0.00 |
MOODYS CORPSOLE | COM | 13.83K | SH | $6.03M 1.99% | 13.83K | 0.00 | 0.00 |
DEERE & COSOLE | COM | 10.15K | SH | $5.72M 1.88% | 10.15K | 0.00 | 0.00 |
VISA INCSOLE | COM CL A | 16.04K | SH | $4.85M 1.60% | 16.04K | 0.00 | 0.00 |
SCHWAB CHARLES CORPSOLE | COM | 44.12K | SH | $4.15M 1.37% | 44.12K | 0.00 | 0.00 |
MARKEL GROUP INCSOLE | COM | 2.07K | SH | $3.96M 1.30% | 2.07K | 0.00 | 0.00 |
SHERWIN WILLIAMS COSOLE | COM | 10.38K | SH | $3.33M 1.10% | 10.38K | 0.00 | 0.00 |
STATE STR SPDR S&P 500 ETF TSOLE | TR UNIT | 5.04K | SH | $3.28M 1.08% | 5.04K | 0.00 | 0.00 |
WASTE MGMT INC DELSOLE | COM | 13.32K | SH | $3.06M 1.01% | 13.32K | 0.00 | 0.00 |
MICROSOFT CORPSOLE | COM | 7.98K | SH | $2.96M 0.97% | 7.98K | 0.00 | 0.00 |
LOUISIANA PAC CORPSOLE | COM | 31.43K | SH | $2.29M 0.75% | 31.43K | 0.00 | 0.00 |
BERKSHIRE HATHAWAY INC DELSOLE | CL A | 3.00 | SH | $2.15M 0.71% | 3.00 | 0.00 | 0.00 |
UNION PAC CORPSOLE | COM | 8.19K | SH | $1.99M 0.66% | 8.19K | 0.00 | 0.00 |
COLGATE PALMOLIVE COSOLE | COM | 20.26K | SH | $1.73M 0.57% | 20.26K | 0.00 | 0.00 |
Page 1 of 3