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M.D. Sass, LLC

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13F filer, CIK 922940, New York, NY

M.D. Sass, LLC reported $1,319,173,469 across 36 holdings for the quarter ended 2026-03-31, in a 13F-HR filed 2026-05-14. Its ten largest share positions make up 52.62% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001172661-26-001945

Period
2026-03-31
Reported value
$1.32B
Holdings
36
Top 10 weight
52.62%
New
6
Sold out
5

Largest buys vs the previous quarter

SecurityShares changeApprox. value
SASSnew+2,884,000$66.9M
DGXnew+299,459$58.7M
CHRWnew+225,964$37.5M
SNPSnew+76,822$30.5M
GILnew+396,504$22.1M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
STEexited-205,936-$52.2M
SLMexited-1,399,804-$37.9M
ALCexited-431,003-$34M
APGreduced-621,692-$25.2M
CLHreduced-81,658-$23.4M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q1 2026

Share positions as resolved from 13F-HR 0001172661-26-001945, largest first. % of portfolio is the value over $1,319,173,469, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
HSICSCHEIN HENRY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 1,084,196 shares; 2025Q3: 1,314,603 shares; 2025Q4: 1,237,873 shares; 2026Q1: 1,273,316 shares 1,273,316$93.8M7.11%+35,443Timeline
WMBWILLIAMS COS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 980,392 shares; 2025Q2: 1,024,833 shares; 2025Q3: 1,192,900 shares; 2025Q4: 1,339,634 shares; 2026Q1: 1,173,920 shares 1,173,920$85.4M6.48%-165,714Timeline
AMEAMETEK INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 396,105 shares; 2024Q4: 359,328 shares; 2025Q1: 366,994 shares; 2025Q2: 400,881 shares; 2025Q3: 376,870 shares; 2025Q4: 378,980 shares; 2026Q1: 361,795 shares 361,795$77.6M5.88%-17,185Timeline
CLHCLEAN HARBORS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 324,918 shares; 2024Q4: 278,358 shares; 2025Q1: 347,335 shares; 2025Q2: 328,869 shares; 2025Q3: 259,660 shares; 2025Q4: 334,198 shares; 2026Q1: 252,540 shares 252,540$72.4M5.49%-81,658Timeline
SASSRBB FUND TRUSTQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 2,884,000 shares 2,884,000$66.9M5.07%newTimeline
PRMBPRIMO BRANDS CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 2,673,905 shares; 2025Q3: 2,464,200 shares; 2025Q4: 3,394,495 shares; 2026Q1: 3,383,017 shares 3,383,017$63.7M4.83%-11,478Timeline
MLMMARTIN MARIETTA MATLS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 102,083 shares; 2024Q4: 100,158 shares; 2025Q1: 124,356 shares; 2025Q2: 123,032 shares; 2025Q3: 97,235 shares; 2025Q4: 91,204 shares; 2026Q1: 103,109 shares 103,109$60.7M4.6%+11,905Timeline
ICEINTERCONTINENTAL EXCHANGE INQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 310,188 shares; 2024Q4: 403,415 shares; 2025Q1: 360,036 shares; 2025Q2: 343,433 shares; 2025Q3: 326,463 shares; 2025Q4: 322,702 shares; 2026Q1: 374,368 shares 374,368$58.9M4.46%+51,666Timeline
DGXQUEST DIAGNOSTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 299,459 shares 299,459$58.7M4.45%newTimeline
APGAPI GROUP CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 2,313,473 shares; 2024Q4: 2,276,407 shares; 2025Q1: 1,810,751 shares; 2025Q2: 1,437,717 shares; 2025Q3: 1,938,574 shares; 2025Q4: 2,005,327 shares; 2026Q1: 1,383,635 shares 1,383,635$56.1M4.25%-621,692Timeline
SAROSTANDARDAERO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 1,174,964 shares; 2025Q4: 1,991,537 shares; 2026Q1: 2,149,680 shares 2,149,680$55.5M4.21%+158,143Timeline
AMZNAMAZON COM INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 43,165 shares; 2024Q4: 43,165 shares; 2025Q1: 36,761 shares; 2025Q2: 42,019 shares; 2025Q3: 40,574 shares; 2025Q4: 167,474 shares; 2026Q1: 263,973 shares 263,973$55M4.17%+96,499Timeline
COFCAPITAL ONE FINL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 243,583 shares; 2025Q2: 236,269 shares; 2025Q3: 224,137 shares; 2025Q4: 244,121 shares; 2026Q1: 292,901 shares 292,901$53.4M4.05%+48,780Timeline
WELLWELLTOWER INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 386,946 shares; 2025Q1: 422,000 shares; 2025Q2: 424,588 shares; 2025Q3: 326,832 shares; 2025Q4: 273,040 shares; 2026Q1: 255,592 shares 255,592$50.5M3.83%-17,448Timeline
SGISOMNIGROUP INTERNATIONAL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 430,296 shares; 2025Q3: 581,739 shares; 2025Q4: 585,651 shares; 2026Q1: 642,354 shares 642,354$47.5M3.6%+56,703Timeline
FICOFAIR ISAAC CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 362 shares; 2025Q3: not reported; 2025Q4: 32,923 shares; 2026Q1: 44,221 shares 44,221$47.2M3.58%+11,298Timeline
AONAON PLCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 171,341 shares; 2025Q1: 140,434 shares; 2025Q2: 111,005 shares; 2025Q3: 107,298 shares; 2025Q4: 108,531 shares; 2026Q1: 142,362 shares 142,362$46M3.48%+33,831Timeline
CBRECBRE GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 470,227 shares; 2024Q4: 385,221 shares; 2025Q1: 377,417 shares; 2025Q2: 396,569 shares; 2025Q3: 293,669 shares; 2025Q4: 295,737 shares; 2026Q1: 290,485 shares 290,485$39.3M2.98%-5,252Timeline
DHRDANAHER CORP DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 176,248 shares; 2024Q4: 155,987 shares; 2025Q1: 313,321 shares; 2025Q2: 356,654 shares; 2025Q3: 365,389 shares; 2025Q4: 305,019 shares; 2026Q1: 201,201 shares 201,201$38.1M2.89%-103,818Timeline
CHRWC H ROBINSON WORLDWIDE INQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 225,964 shares 225,964$37.5M2.84%newTimeline
PWRQUANTA SVCS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 207,373 shares; 2025Q2: 162,776 shares; 2025Q3: 91,046 shares; 2025Q4: 91,663 shares; 2026Q1: 63,442 shares 63,442$34.8M2.64%-28,221Timeline
SNPSSYNOPSYS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 76,822 shares 76,822$30.5M2.31%newTimeline
GILGILDAN ACTIVEWEAR INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 396,504 shares 396,504$22.1M1.67%newTimeline
GWREGUIDEWIRE SOFTWARE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 12,353 shares; 2025Q3: 18,655 shares; 2025Q4: 32,186 shares; 2026Q1: 55,208 shares 55,208$8.26M0.63%+23,022Timeline
PANWPALO ALTO NETWORKS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 12,429 shares; 2024Q4: 32,044 shares; 2025Q1: 27,712 shares; 2025Q2: 27,712 shares; 2025Q3: 36,228 shares; 2025Q4: 36,228 shares; 2026Q1: 50,516 shares 50,516$8.1M0.61%+14,288Timeline
MRVLMARVELL TECHNOLOGY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 1,059,581 shares; 2024Q4: 599,096 shares; 2025Q1: not reported; 2025Q2: 83,433 shares; 2025Q3: 82,039 shares; 2025Q4: 75,881 shares; 2026Q1: 76,778 shares 76,778$7.6M0.58%+897Timeline
SPYSTATE STR SPDR S&P 500 ETF TQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 10,220 shares; 2024Q4: 10,220 shares; 2025Q1: 10,980 shares; 2025Q2: 12,790 shares; 2025Q3: 11,800 shares; 2025Q4: 11,800 shares; 2026Q1: 11,440 shares 11,440$7.44M0.56%-360Timeline
APHAMPHENOL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 1,045,366 shares; 2025Q2: 604,798 shares; 2025Q3: 336,397 shares; 2025Q4: 56,282 shares; 2026Q1: 56,182 shares 56,182$7.1M0.54%-100Timeline
IWDISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 68,287 shares; 2024Q4: 197,774 shares; 2025Q1: 58,228 shares; 2025Q2: 60,000 shares; 2025Q3: not reported; 2025Q4: 22,751 shares; 2026Q1: 32,984 shares 32,984$7.05M0.53%+10,233Timeline
CACICACI INTL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 161,175 shares; 2024Q4: 134,202 shares; 2025Q1: 6,239 shares; 2025Q2: 9,552 shares; 2025Q3: 9,552 shares; 2025Q4: 9,316 shares; 2026Q1: 9,316 shares 9,316$5.07M0.38%0Timeline
ACWXISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 49,100 shares; 2024Q4: 49,100 shares; 2025Q1: 61,760 shares; 2025Q2: 62,260 shares; 2025Q3: 60,600 shares; 2025Q4: 60,600 shares; 2026Q1: 57,340 shares 57,340$3.93M0.3%-3,260Timeline
MSFTMICROSOFT CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 9,788 shares; 2024Q4: 9,788 shares; 2025Q1: 8,519 shares; 2025Q2: 8,544 shares; 2025Q3: 8,334 shares; 2025Q4: 8,870 shares; 2026Q1: 9,708 shares 9,708$3.59M0.27%+838Timeline
CDNSCADENCE DESIGN SYSTEM INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 12,880 shares; 2025Q3: 12,880 shares; 2025Q4: 12,880 shares; 2026Q1: 12,887 shares 12,887$3.58M0.27%+7Timeline
BWXTBWX TECHNOLOGIES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 13,445 shares; 2026Q1: 13,453 shares 13,453$2.75M0.21%+8Timeline
GOOGLALPHABET INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 10,920 shares; 2024Q4: 10,920 shares; 2025Q1: 10,684 shares; 2025Q2: 6,789 shares; 2025Q3: 6,789 shares; 2025Q4: 7,031 shares; 2026Q1: 7,031 shares 7,031$2.02M0.15%0Timeline
HYGISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 62,650 shares; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 12,400 shares 12,400$987K0.07%newTimeline

Sold out in Q1 2026

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
STESTERIS PLC205,936$52.2Mshares
SLMSLM CORP1,399,804$37.9Mshares
ALCALCON AG431,003$34Mshares
OWLBLUE OWL CAPITAL INC158,065$2.36Mshares
FWONKLIBERTY MEDIA CORP DEL10,047$990Kshares

How Q1 2026 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001172661-26-001945 base2026-05-14acceptance time not in the bulk data set