M D SASS INVESTORS SERVICES INC's Q1 2026 13F: 6 new positions, 5 exits
Form 13F-HR for the quarter ended Mar 31, 2026 · filed May 14, 2026 · 36 reported positions · accession 0001172661-26-001945
What changed this quarter
| Activity | Security | Weight before | Weight now | Change | Shares | Shares % |
|---|---|---|---|---|---|---|
| New | RBB FUND TRUST (SASS) | — | 5.1% | +5.1 pts | +2.88M sh | new |
| New | QUEST DIAGNOSTICS INC (DGX) | — | 4.4% | +4.4 pts | +299K sh | new |
| Exited | STERIS PLC (STE) | 4.1% | — | −4.1 pts | −206K sh | −100% |
| Exited | SLM CORP (SLM) | 3.0% | — | −3.0 pts | −1.4M sh | −100% |
| New | C H ROBINSON WORLDWIDE IN (CHRW) | — | 2.8% | +2.8 pts | +226K sh | new |
| Exited | ALCON AG (ALC) | 2.7% | — | −2.7 pts | −431K sh | −100% |
| New | SYNOPSYS INC (SNPS) | — | 2.3% | +2.3 pts | +76,822 sh | new |
| Reduced | API GROUP CORP (APG) | 6.0% | 4.3% | −1.8 pts | −622K sh | −31% |
| Reduced | CLEAN HARBORS INC (CLH) | 6.2% | 5.5% | −0.7 pts | −81,658 sh | −24% |
| New | GILDAN ACTIVEWEAR INC (GIL) | — | 1.7% | +1.7 pts | +397K sh | new |
| Increased | AMAZON COM INC (AMZN) | 3.0% | 4.2% | +1.1 pts | +96,499 sh | +58% |
| Reduced | DANAHER CORP DEL (DHR) | 5.5% | 2.9% | −2.6 pts | −104K sh | −34% |
| Reduced | QUANTA SVCS INC (PWR) | 3.0% | 2.6% | −0.4 pts | −28,221 sh | −31% |
| Increased | FAIR ISAAC CORP (FICO) | 4.4% | 3.6% | −0.8 pts | +11,298 sh | +34% |
| Reduced | WILLIAMS COS INC (WMB) | 6.3% | 6.5% | +0.1 pts | −166K sh | −12% |
| Increased | AON PLC (AON) | 3.0% | 3.5% | +0.5 pts | +33,831 sh | +31% |
| Increased | CAPITAL ONE FINL CORP (COF) | 4.7% | 4.1% | −0.6 pts | +48,780 sh | +20% |
| Increased | INTERCONTINENTAL EXCHANGE IN (ICE) | 4.1% | 4.5% | +0.3 pts | +51,666 sh | +16% |
| Increased | MARTIN MARIETTA MATLS INC (MLM) | 4.5% | 4.6% | +0.1 pts | +11,905 sh | +13% |
| Increased | SOMNIGROUP INTERNATIONAL INC (SGI) | 4.1% | 3.6% | −0.5 pts | +56,703 sh | +10% |
| Increased | STANDARDAERO INC (SARO) | 4.5% | 4.2% | −0.3 pts | +158K sh | +8% |
| Reduced | AMETEK INC (AME) | 6.1% | 5.9% | −0.3 pts | −17,185 sh | −5% |
| Reduced | WELLTOWER INC (WELL) | 4.0% | 3.8% | −0.2 pts | −17,448 sh | −6% |
| Increased | GUIDEWIRE SOFTWARE INC (GWRE) | 0.5% | 0.6% | +0.1 pts | +23,022 sh | +72% |
| Increased | SCHEIN HENRY INC (HSIC) | 7.4% | 7.1% | −0.3 pts | +35,443 sh | +3% |
| Exited | BLUE OWL CAPITAL INC (OWL) | 0.2% | — | −0.2 pts | −158K sh | −100% |
| Increased | PALO ALTO NETWORKS INC (PANW) | 0.5% | 0.6% | +0.1 pts | +14,288 sh | +39% |
| Increased | ISHARES TR (IWD) | 0.4% | 0.5% | +0.2 pts | +10,233 sh | +45% |
| Exited | LIBERTY MEDIA CORP DEL (FWONK) | 0.1% | — | −0.1 pts | −10,047 sh | −100% |
| New | ISHARES TR (HYG) | — | 0.1% | +0.1 pts | +12,400 sh | new |
| Reduced | CBRE GROUP INC (CBRE) | 3.7% | 3.0% | −0.8 pts | −5,252 sh | −2% |
| Increased | MICROSOFT CORP (MSFT) | 0.3% | 0.3% | −0.1 pts | +838 sh | +9% |
| Reduced | STATE STR SPDR S&P 500 ETF T (SPY) | 0.6% | 0.6% | −0.1 pts | −360 sh | −3% |
| Reduced | ISHARES TR (ACWX) | 0.3% | 0.3% | 0.0 pts | −3,260 sh | −5% |
| Reduced | PRIMO BRANDS CORPORATION (PRMB) | 4.4% | 4.8% | +0.5 pts | −11,478 sh | 0% |
| Increased | MARVELL TECHNOLOGY INC (MRVL) | 0.5% | 0.6% | +0.1 pts | +897 sh | +1% |
| Reduced | AMPHENOL CORP (APH) | 0.6% | 0.5% | −0.1 pts | −100 sh | 0% |
| Increased | CADENCE DESIGN SYSTEM INC (CDNS) | 0.3% | 0.3% | 0.0 pts | +7 sh | 0% |
| Increased | BWX TECHNOLOGIES INC (BWXT) | 0.2% | 0.2% | 0.0 pts | +8 sh | 0% |
Reported by the fund in its Form 13F filed with the SEC; holdings are as of the quarter-end report date and may have changed since. For informational purposes only — not investment advice or a recommendation to buy or sell any security. FilingExplorer is not affiliated with or endorsed by this fund. How this brief is compiled
Top 10 positions — 52.6% of the equity book
Changes in the top 10 this quarter: SASS entered · PRMB entered · ICE entered · DGX entered · DHR left · COF left · SARO left · FICO left
| # | Security | Weight before | Weight now | |
|---|---|---|---|---|
| 1 | SCHEIN HENRY INC (HSIC) | 7.4% | 7.1% | |
| 2 | WILLIAMS COS INC (WMB) | 6.3% | 6.5% | |
| 3 | AMETEK INC (AME) | 6.1% | 5.9% | |
| 4 | CLEAN HARBORS INC (CLH) | 6.2% | 5.5% | |
| 5 | RBB FUND TRUST (SASS) | 0.0% | 5.1% | Entered the top 10 |
| 6 | PRIMO BRANDS CORPORATION (PRMB) | 4.4% | 4.8% | Entered the top 10 |
| 7 | MARTIN MARIETTA MATLS INC (MLM) | 4.5% | 4.6% | |
| 8 | INTERCONTINENTAL EXCHANGE IN (ICE) | 4.1% | 4.5% | Entered the top 10 |
| 9 | QUEST DIAGNOSTICS INC (DGX) | 0.0% | 4.4% | Entered the top 10 |
| 10 | API GROUP CORP (APG) | 6.0% | 4.3% | |
| — | DANAHER CORP DEL (DHR) | 5.5% | 2.9% | Left the top 10 |
| — | CAPITAL ONE FINL CORP (COF) | 4.7% | 4.1% | Left the top 10 |
| — | STANDARDAERO INC (SARO) | 4.5% | 4.2% | Left the top 10 |
| — | FAIR ISAAC CORP (FICO) | 4.4% | 3.6% | Left the top 10 |
Weights are each position's reported value as a share of the fund's reported equity positions (options and principal-amount holdings excluded).