M.D. Sass, LLC

Fundamental concentrated ★Highest signal CIK 922940
League rank
#645
in Fundamental concentrated · #3992 overall
Long book
$1.32B
Q1 2026
Positions
36
Top-10 weight
53%
concentration
Last quarter
+11.3%
SPY +14.8%
Turnover
27%
of book per quarter

Strategy in plain words

auto-generated from filings

M.D. Sass, LLC is a concentrated fundamental stock-picker, running a $1.32B US long book across 36 positions.

The portfolio is concentrated: the top 10 names carry 53% of the portfolio. The portfolio is actively managed, with meaningful quarterly turnover. Current anchor positions: HENRY SCHEIN INC, WILLIAMS COS INC, AMETEK INC, CLEAN HARBORS INC, MD SASS CONC VALUE ETF.

Over the last 9 quarters its long book ran on average 1.1pp per quarter behind the S&P 500, beating the index in 5 of 9 quarters. We rate its filings highest-signal: new buys here are worth attention.

Implied long-book return vs S&P 500

methodology: positions priced quarterly, no shorts/options
Fund long book S&P 500
Q1 2024
-3.1%
Q2 2024
+6.8%
Q3 2024
+1.1%
Q4 2024
-3.2%
Q1 2025
+16.0%
Q2 2025
+1.7%
Q3 2025
+3.0%
Q4 2025
-2.8%
Q1 2026
+11.3%

Sector allocation

Technology
16%
Financials
13%
Utilities
13%
Consumer discretionary
13%
Industrials
11%
Services media
9%
Other
6%
Consumer staples
5%

Long book by quarter

$845.0M
Q1 2024
$1.23B
Q2 2024
$1.29B
Q3 2024
$1.31B
Q4 2024
$1.14B
Q1 2025
$1.24B
Q2 2025
$1.22B
Q3 2025
$1.27B
Q4 2025
$1.32B
Q1 2026

What does M.D. Sass, own?

Q1 2026 13F
CompanySectorSharesValue% of bookChange
HSIC HENRY SCHEIN INCConsumer discretionary1.3M$93.8M7.1%+2.9%
WMB WILLIAMS COS INCUtilities1.2M$85.4M6.5%-12.4%
AME AMETEK INCTechnology361.8K$77.6M5.9%-4.5%
CLH CLEAN HARBORS INCUtilities252.5K$72.4M5.5%-24.4%
PRMB PRIMO BRANDS CORPConsumer staples3.4M$63.7M4.8%-0.3%
MLM MARTIN MARIETTA MATERIALSMaterials103.1K$60.7M4.6%+13.1%
ICE INTERCONTINENTAL EXCHANGE INFinancials374.4K$58.9M4.5%+16.0%
DGX QUEST DIAGNOSTICS INCHealthcare299.5K$58.7M4.4%New
APG API GROUP CORPServices media1.4M$56.1M4.3%-31.0%
SARO STANDARDAERO INCIndustrials2.1M$55.5M4.2%+7.9%
AMZN AMAZON.COM INCConsumer discretionary264.0K$55.0M4.2%+57.6%
COF CAPITAL ONE FINANCIAL CORPFinancials292.9K$53.4M4.1%+20.0%
SGI SOMNIGROUP INTERNATIONAL INCOther642.4K$47.5M3.6%+9.7%
FICO FAIR ISAAC CORPServices media44.2K$47.2M3.6%+34.3%
AON AON PLC-CLASS AFinancials142.4K$46.0M3.5%+31.2%
CBRE CBRE GROUP INC - AReal estate290.5K$39.3M3.0%-1.8%
DHR DANAHER CORPTechnology201.2K$38.1M2.9%-34.0%
CHRW C.H. ROBINSON WORLDWIDE INCIndustrials226.0K$37.5M2.8%New
PWR QUANTA SERVICES INCIndustrials63.4K$34.8M2.6%-30.8%
SNPS SYNOPSYS INCTechnology76.8K$30.5M2.3%New
GIL GILDAN ACTIVEWEAR INCOther396.5K$22.1M1.7%New
GWRE GUIDEWIRE SOFTWARE INCTechnology55.2K$8.3M0.6%+71.5%
PANW PALO ALTO NETWORKS INCTechnology50.5K$8.1M0.6%+39.4%
MRVL MARVELL TECHNOLOGY INCTechnology76.8K$7.6M0.6%+1.2%
APH AMPHENOL CORP-CL ATechnology56.2K$7.1M0.5%-0.2%
CACI CACI INTERNATIONAL INC -CL ATechnology9.3K$5.1M0.4%Held
MSFT MICROSOFT CORPTechnology9.7K$3.6M0.3%+9.4%
CDNS CADENCE DESIGN SYS INCTechnology12.9K$3.6M0.3%+0.1%
BWXT BWX TECHNOLOGIES INCIndustrials13.5K$2.8M0.2%+0.1%
GOOGL ALPHABET INC-CL ATechnology7.0K$2.0M0.2%Held

13F filing history

PeriodFormFiledEntriesReported valueFlagsSource
Q1 202613F-HRMay 14, 202636$1.32B canonicalSEC ↗
Q4 202513F-HRFeb 10, 202635$1.27B canonicalSEC ↗
Q3 202513F-HRNov 5, 202535$1.23B canonicalSEC ↗
Q2 202513F-HRAug 13, 202535$1.24B canonicalSEC ↗
Q1 202513F-HRMay 9, 202532$1.14B canonicalSEC ↗
Q4 202413F-HRFeb 11, 202534$1.33B canonicalSEC ↗
Q3 202413F-HRNov 13, 202436$1.35B canonicalSEC ↗
Q2 202413F-HRAug 13, 202433$1.39B canonicalSEC ↗
Q1 202413F-HRMay 15, 202434$886.7M canonicalSEC ↗