East Coast Asset Management, LLC.

In its 13F for Q1 2024 (holdings as of March 31, 2024, filed May 15, 2024), East Coast Asset Management, LLC. reported 69 stock positions worth $274.1 million. Its top holding was Alphabet Class C (GOOG) at 16.3% of the portfolio, followed by Transdigm (TDG, 15.8%) and Meta Platforms Class A (META, 8.1%). Compared with Q4 2023, it opened 5 new positions, added to 16 and reduced 22. The biggest buy was Perimeter Solutions (PRM, shares +13%) and the biggest sale Waste Management (WM, shares −45%).

Most Recent 13F
Q2 2026
Location
ESSEX, MA
CIK
0001579254
Portfolio Value
$274.1M (Q1 2024)
SEC Filing
0001085146-24-002501 ↗ filed May 15, 2024

Holdings Value

0$100.0M$200.0M$300.0M$400.0M Q1 2024: $274.1M $274.1M Q1 2024 Q2 2024: $275.1M Q2 2024 Q3 2024: $301.2M Q3 2024 Q4 2024: $299.3M Q4 2024 Q1 2025: $282.4M Q1 2025 Q2 2025: $301.4M Q2 2025 Q3 2025: $319.2M Q3 2025 Q4 2025: $340.0M Q4 2025 Q1 2026: $303.4M Q1 2026 Q2 2026: $338.6M Q2 2026

Holdings 69 stocks · $274.1M
GOOG Alphabet Inc. Class C 16.32% 293,923 $44.8M Add +0.2%
TDG Transdigm Group Inc. 15.83% 35,243 $43.4M Reduce -6.6%
META Meta Platforms Inc. Class A 8.09% 45,658 $22.2M Reduce -12.6%
BRK.B Berkshire Hathaway Inc. Class B 6.74% 43,961 $18.5M Add +0.3%
BN Brookfield Corp. 5.14% 336,419 $14.1M Add +0.0%
MA Mastercard Inc. Class A 4.69% 26,722 $12.9M Reduce -0.1%
PRM Perimeter Solutions SA 4.55% 1,679,707 $12.5M Add +13.5%
AMZN Amazon.com Inc. 4.10% 62,295 $11.2M Add +0.4%
AAPL Apple Inc. 2.79% 44,650 $7.7M Reduce -0.1%
MCO Moody's Corp. 2.41% 16,840 $6.6M Add +0.1%
TJX TJX Companies Inc. filed as TJX COS INC NEW 1.93% 52,172 $5.3M Add +0.4%
V Visa Inc. Class A 1.76% 17,274 $4.8M Add +0.4%
WWD Woodward Inc. 1.75% 31,109 $4.8M Reduce -0.5%
DE Deere & Co. 1.69% 11,277 $4.6M Reduce -0.3%
CHTR Charter Communications Inc. Class A 1.47% 13,906 $4.0M Reduce -0.5%
SHW The Sherwin-Williams Co. 1.43% 11,308 $3.9M Add +0.4%
SCHW Schwab (charles) Corp. 1.37% 51,938 $3.8M Reduce -0.6%
MKL Markel Group Inc. 1.30% 2,351 $3.6M New
MSFT Microsoft Corp. 1.29% 8,426 $3.5M Reduce -2.0%
WM Waste Management Inc. 1.14% 14,637 $3.1M Reduce -45.3%
LPX Louisiana-Pacific Corp. 1.13% 36,887 $3.1M Add +0.4%
SPY SS SPDR S&P 500 ETF Trust-US 1.01% 5,319 $2.8M No change
BRK.A Berkshire Hathaway Inc. Class A 0.93% 4 $2.5M No change
UNP Union Pacific Corp. 0.81% 9,002 $2.2M Add +0.5%
CL Colgate-Palmolive Co. 0.70% 21,456 $1.9M Reduce -0.8%
ADP Automatic Data Processing 0.64% 6,975 $1.7M Reduce -3.6%
CR Crane Co. 0.55% 11,180 $1.5M No change
SYY Sysco Corp. 0.50% 16,963 $1.4M Add +0.5%
VOE Vngrd Mrngstr MD-Cap Val ETF 0.47% 8,339 $1.3M Add +0.0%
PAYX Paychex Inc. 0.46% 10,183 $1.3M No change
LBRDK Liberty Broadband-C 0.45% 21,421 $1.2M Add +1.8%
LH Laboratory CRP of Amer Hldgs 0.39% 4,948 $1.1M Reduce -1.2%
JNJ Johnson & Johnson 0.37% 6,399 $1.0M Reduce -0.0%
CMCSA Comcast Corp. Class A 0.36% 22,876 $992K Add +0.0%
DHR Danaher Corp. 0.34% 3,687 $921K No change
GOOGL Alphabet Inc. Class A 0.32% 5,840 $881K Reduce -0.7%
BR Broadridge Financial Solutio 0.30% 4,013 $822K No change
OEF iShares S&P 100 ETF 0.25% 2,746 $679K No change
RACE Ferrari NV 0.25% 1,552 $677K No change
ADBE Adobe Inc. 0.22% 1,179 $595K No change
AMGN Amgen Inc. 0.20% 1,950 $554K No change
STLA Stellantis NV 0.20% 18,952 $536K Reduce -7.3%
IWM iShares Russell 2000 ETF 0.19% 2,501 $526K No change
PG The Procter & Gamble Co. 0.18% 3,108 $504K Reduce -11.4%
LMT Lockheed Martin Corp. 0.18% 1,097 $499K Reduce -15.4%
SPLV Invesco S&P 500 Low Volatili 0.17% 7,191 $474K No change
AMT American Tower Corp. 0.16% 2,220 $439K No change
PEP Pepsico Inc. 0.15% 2,383 $417K No change
IXJ iShares Global Healthcare Et 0.15% 4,471 $417K No change
HD Home Depot Inc. 0.15% 1,040 $399K No change
INTU Intuit Inc. 0.14% 600 $390K No change
ELV Elevance Health Inc. 0.14% 730 $379K No change
EWL iShares MSCI Switzerland ETF 0.13% 7,626 $363K Reduce -0.5%
IBM Intl Business Machines Corp. filed as INTERNATIONAL BUSINESS MACHS 0.12% 1,773 $338K Add +0.2%
JPM JPMorgan Chase & Co. 0.12% 1,656 $332K No change
RSG Republic Services Inc. 0.12% 1,728 $331K Reduce -13.9%
AXP American Express Co. 0.12% 1,442 $328K No change
DIS The Walt Disney Co. filed as DISNEY WALT CO 0.11% 2,538 $311K No change
RTX RTX Corp. 0.11% 3,182 $310K Reduce -19.3%
CLX Clorox Company 0.11% 1,975 $302K No change
MMM 3M Co. 0.10% 2,630 $279K No change
ACN Accenture PLC Class A 0.09% 737 $255K No change
PFE Pfizer Inc. 0.09% 8,873 $246K Reduce -6.1%
VOO Vanguard S&P 500 ETF 0.09% 500 $240K No change
BSX Boston Scientific Corp. 0.08% 3,304 $226K New
TMO Thermo Fisher Scientific Inc. 0.08% 380 $221K No change
COST Costco Wholesale Corp. 0.08% 300 $220K New
WMT Walmart Inc. 0.08% 3,644 $219K New
VUG Vanguard Mrngstar GR ETF-Sui 0.08% 621 $214K New

Portfolio Sells Q4 2023 → Q1 2024
WM Waste Management Inc. Reduce -45.3% 1.14% −0.82
CHTR Charter Communications Inc. Class A Reduce -0.5% 1.47% −0.75
AAPL Apple Inc. Reduce -0.1% 2.79% −0.72
DE Deere & Co. Reduce -0.3% 1.69% −0.16
SCHW Schwab (charles) Corp. Reduce -0.6% 1.37% −0.10
LH Laboratory CRP of Amer Hldgs Reduce -1.2% 0.39% −0.07
LMT Lockheed Martin Corp. Reduce -15.4% 0.18% −0.06
ADP Automatic Data Processing Reduce -3.6% 0.64% −0.05
JNJ Johnson & Johnson Reduce -0.0% 0.37% −0.04
MSFT Microsoft Corp. Reduce -2.0% 1.29% −0.03
PG The Procter & Gamble Co. Reduce -11.4% 0.18% −0.03
RTX RTX Corp. Reduce -19.3% 0.11% −0.02
PFE Pfizer Inc. Reduce -6.1% 0.09% −0.02
EWL iShares MSCI Switzerland ETF Reduce -0.5% 0.13% −0.02
RSG Republic Services Inc. Reduce -13.9% 0.12% −0.01
GOOGL Alphabet Inc. Class A Reduce -0.7% 0.32% −0.01
CL Colgate-Palmolive Co. Reduce -0.8% 0.70% +0.00
STLA Stellantis NV Reduce -7.3% 0.20% +0.00
WWD Woodward Inc. Reduce -0.5% 1.75% +0.01
MA Mastercard Inc. Class A Reduce -0.1% 4.69% +0.03
TDG Transdigm Group Inc. Reduce -6.6% 15.83% +0.24
META Meta Platforms Inc. Class A Reduce -12.6% 8.09% +0.53

Portfolio Buys Q4 2023 → Q1 2024
PRM Perimeter Solutions SA Add +13.5% 4.55% +1.76
MKL Markel Group Inc. New 1.30% +1.30
BRK.B Berkshire Hathaway Inc. Class B Add +0.3% 6.74% +0.36
AMZN Amazon.com Inc. Add +0.4% 4.10% +0.25
BSX Boston Scientific Corp. New 0.08% +0.08
COST Costco Wholesale Corp. New 0.08% +0.08
WMT Walmart Inc. New 0.08% +0.08
VUG Vanguard Mrngstar GR ETF-Sui New 0.08% +0.08
LPX Louisiana-Pacific Corp. Add +0.4% 1.13% +0.07
IBM Intl Business Machines Corp. Add +0.2% 0.12% +0.01
SYY Sysco Corp. Add +0.5% 0.50% −0.00
SHW The Sherwin-Williams Co. Add +0.4% 1.43% −0.00
VOE Vngrd Mrngstr MD-Cap Val ETF Add +0.0% 0.47% −0.02
CMCSA Comcast Corp. Class A Add +0.0% 0.36% −0.05
TJX TJX Companies Inc. Add +0.4% 1.93% −0.06
V Visa Inc. Class A Add +0.4% 1.76% −0.07
UNP Union Pacific Corp. Add +0.5% 0.81% −0.09
LBRDK Liberty Broadband-C Add +1.8% 0.45% −0.25
MCO Moody's Corp. Add +0.1% 2.41% −0.27
BN Brookfield Corp. Add +0.0% 5.14% −0.37
GOOG Alphabet Inc. Class C Add +0.2% 16.32% −0.56

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 67$338.6MGOOG, TSLA, PRM, TDG, ECHO
Q1 2026 68$303.4MGOOG, TSLA, PRM, TDG, ECHO
Q4 2025 69$340.0MGOOG, PRM, TSLA, TDG, BRK.B
Q3 2025 68$319.2MGOOG, PRM, TDG, META, TSLA
Q2 2025 69$301.4MGOOG, TDG, META, PRM, TSLA
Q1 2025 69$282.4MGOOG, TDG, META, PRM, BN
Q4 2024 71$299.3MGOOG, TDG, PRM, META, BN
Q3 2024 73$301.2MGOOG, TDG, PRM, META, BN
Q2 2024 70$275.1MGOOG, TDG, META, BRK.B, BN
Q1 2024 69$274.1MGOOG, TDG, META, BRK.B, BN