M.D. Sass, LLC
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 filingsM.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
What does M.D. Sass, own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| HSIC HENRY SCHEIN INC | Consumer discretionary | 1.3M | $93.8M | 7.1% | +2.9% |
| WMB WILLIAMS COS INC | Utilities | 1.2M | $85.4M | 6.5% | -12.4% |
| AME AMETEK INC | Technology | 361.8K | $77.6M | 5.9% | -4.5% |
| CLH CLEAN HARBORS INC | Utilities | 252.5K | $72.4M | 5.5% | -24.4% |
| PRMB PRIMO BRANDS CORP | Consumer staples | 3.4M | $63.7M | 4.8% | -0.3% |
| MLM MARTIN MARIETTA MATERIALS | Materials | 103.1K | $60.7M | 4.6% | +13.1% |
| ICE INTERCONTINENTAL EXCHANGE IN | Financials | 374.4K | $58.9M | 4.5% | +16.0% |
| DGX QUEST DIAGNOSTICS INC | Healthcare | 299.5K | $58.7M | 4.4% | New |
| APG API GROUP CORP | Services media | 1.4M | $56.1M | 4.3% | -31.0% |
| SARO STANDARDAERO INC | Industrials | 2.1M | $55.5M | 4.2% | +7.9% |
| AMZN AMAZON.COM INC | Consumer discretionary | 264.0K | $55.0M | 4.2% | +57.6% |
| COF CAPITAL ONE FINANCIAL CORP | Financials | 292.9K | $53.4M | 4.1% | +20.0% |
| SGI SOMNIGROUP INTERNATIONAL INC | Other | 642.4K | $47.5M | 3.6% | +9.7% |
| FICO FAIR ISAAC CORP | Services media | 44.2K | $47.2M | 3.6% | +34.3% |
| AON AON PLC-CLASS A | Financials | 142.4K | $46.0M | 3.5% | +31.2% |
| CBRE CBRE GROUP INC - A | Real estate | 290.5K | $39.3M | 3.0% | -1.8% |
| DHR DANAHER CORP | Technology | 201.2K | $38.1M | 2.9% | -34.0% |
| CHRW C.H. ROBINSON WORLDWIDE INC | Industrials | 226.0K | $37.5M | 2.8% | New |
| PWR QUANTA SERVICES INC | Industrials | 63.4K | $34.8M | 2.6% | -30.8% |
| SNPS SYNOPSYS INC | Technology | 76.8K | $30.5M | 2.3% | New |
| GIL GILDAN ACTIVEWEAR INC | Other | 396.5K | $22.1M | 1.7% | New |
| GWRE GUIDEWIRE SOFTWARE INC | Technology | 55.2K | $8.3M | 0.6% | +71.5% |
| PANW PALO ALTO NETWORKS INC | Technology | 50.5K | $8.1M | 0.6% | +39.4% |
| MRVL MARVELL TECHNOLOGY INC | Technology | 76.8K | $7.6M | 0.6% | +1.2% |
| APH AMPHENOL CORP-CL A | Technology | 56.2K | $7.1M | 0.5% | -0.2% |
| CACI CACI INTERNATIONAL INC -CL A | Technology | 9.3K | $5.1M | 0.4% | Held |
| MSFT MICROSOFT CORP | Technology | 9.7K | $3.6M | 0.3% | +9.4% |
| CDNS CADENCE DESIGN SYS INC | Technology | 12.9K | $3.6M | 0.3% | +0.1% |
| BWXT BWX TECHNOLOGIES INC | Industrials | 13.5K | $2.8M | 0.2% | +0.1% |
| GOOGL ALPHABET INC-CL A | Technology | 7.0K | $2.0M | 0.2% | Held |
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | May 14, 2026 | 36 | $1.32B | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Feb 10, 2026 | 35 | $1.27B | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Nov 5, 2025 | 35 | $1.23B | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Aug 13, 2025 | 35 | $1.24B | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | May 9, 2025 | 32 | $1.14B | canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Feb 11, 2025 | 34 | $1.33B | canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Nov 13, 2024 | 36 | $1.35B | canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Aug 13, 2024 | 33 | $1.39B | canonical | SEC ↗ |
| Q1 2024 | 13F-HR | May 15, 2024 | 34 | $886.7M | canonical | SEC ↗ |
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