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One Madison Group LLC

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13F filer, CIK 1728278, NEW YORK, NY

One Madison Group LLC reported $865,782,195 across 28 holdings for the quarter ended 2026-03-31, in a 13F-HR filed 2026-05-15. Its ten largest share positions make up 57.04% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001420506-26-001149

Period
2026-03-31
Reported value
$866M
Holdings
28
Top 10 weight
57.04%
New
5
Sold out
4

Largest buys vs the previous quarter

SecurityShares changeApprox. value
NVDAnew+160,000$27.9M
FERGnew+80,000$18.7M
MLMadded+26,000$15.3M
JCInew+92,000$12M
SHWadded+27,000$8.65M

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
TDGexited-19,000-$25.3M
SHOPexited-130,000-$20.9M
BXexited-135,000-$20.8M
MSFTexited-41,500-$20.1M
WWDreduced-16,640-$5.96M

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 0001420506-26-001149, largest first. % of portfolio is the value over $865,782,195, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
XPOXPO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 332,000 shares; 2025Q1: 336,627 shares; 2025Q2: 410,000 shares; 2025Q3: 400,000 shares; 2025Q4: 363,866 shares; 2026Q1: 336,700 shares 336,700$65.5M7.57%-27,166Timeline
CRCRANE COMPANYQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 380,000 shares; 2025Q1: 370,000 shares; 2025Q2: 370,000 shares; 2025Q3: 340,139 shares; 2025Q4: 340,000 shares; 2026Q1: 359,520 shares 359,520$61.5M7.1%+19,520Timeline
AMZNAMAZON COM INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 240,000 shares; 2025Q1: 255,300 shares; 2025Q2: 247,500 shares; 2025Q3: 260,000 shares; 2025Q4: 234,000 shares; 2026Q1: 270,000 shares 270,000$56.2M6.5%+36,000Timeline
MLMMARTIN MARIETTA MATLS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 4,000 shares; 2025Q4: 65,000 shares; 2026Q1: 91,000 shares 91,000$53.6M6.19%+26,000Timeline
GEVGE VERNOVA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 140,000 shares; 2025Q1: 125,400 shares; 2025Q2: 85,000 shares; 2025Q3: 70,000 shares; 2025Q4: 66,000 shares; 2026Q1: 60,000 shares 60,000$52.4M6.05%-6,000Timeline
GOOGALPHABET INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 120,000 shares; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 158,500 shares; 2025Q4: 163,000 shares; 2026Q1: 165,000 shares 165,000$47.3M5.47%+2,000Timeline
TTWOTAKE-TWO INTERACTIVE SOFTWARQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 265,000 shares; 2025Q1: 305,000 shares; 2025Q2: 330,000 shares; 2025Q3: 250,000 shares; 2025Q4: 243,000 shares; 2026Q1: 214,000 shares 214,000$42.3M4.88%-29,000Timeline
LOARLOAR HOLDINGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 490,000 shares; 2025Q1: 550,000 shares; 2025Q2: 540,000 shares; 2025Q3: 563,000 shares; 2025Q4: 688,000 shares; 2026Q1: 695,000 shares 695,000$39.8M4.6%+7,000Timeline
GEGE AEROSPACEQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 200,000 shares; 2025Q1: 190,000 shares; 2025Q2: 218,000 shares; 2025Q3: 170,000 shares; 2025Q4: 141,000 shares; 2026Q1: 133,530 shares 133,530$37.9M4.38%-7,470Timeline
HLTHILTON WORLDWIDE HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 140,000 shares; 2025Q1: 120,000 shares; 2025Q2: 100,000 shares; 2025Q3: 90,000 shares; 2025Q4: 110,000 shares; 2026Q1: 123,040 shares 123,040$37.4M4.32%+13,040Timeline
WWDWOODWARD INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 53,000 shares; 2025Q4: 117,000 shares; 2026Q1: 100,360 shares 100,360$35.9M4.15%-16,640Timeline
RACEFERRARI N VQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 105,000 shares; 2025Q1: 100,000 shares; 2025Q2: 85,000 shares; 2025Q3: 90,000 shares; 2025Q4: 105,000 shares; 2026Q1: 100,000 shares 100,000$33.8M3.91%-5,000Timeline
RBCRBC BEARINGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 23,123 shares; 2025Q4: 55,000 shares; 2026Q1: 60,000 shares 60,000$32.6M3.76%+5,000Timeline
APGAPI GROUP CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 750,000 shares; 2025Q1: 860,000 shares; 2025Q2: 705,000 shares; 2025Q3: 800,000 shares; 2025Q4: 800,000 shares; 2026Q1: 750,000 shares 750,000$30.4M3.51%-50,000Timeline
UNPUNION PAC CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 100,000 shares; 2025Q4: 100,000 shares; 2026Q1: 118,730 shares 118,730$28.8M3.33%+18,730Timeline
NVDANVIDIA CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: 100,000 shares; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 160,000 shares 160,000$27.9M3.22%newTimeline
NFLXNETFLIX INC.Quarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 36,000 shares; 2025Q1: 28,699 shares; 2025Q2: 26,000 shares; 2025Q3: 25,000 shares; 2025Q4: 258,000 shares; 2026Q1: 260,000 shares 260,000$25M2.89%+2,000Timeline
SHWSHERWIN WILLIAMS COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 22,000 shares; 2025Q4: 43,000 shares; 2026Q1: 70,000 shares 70,000$22.4M2.59%+27,000Timeline
SPOTSPOTIFY TECHNOLOGY S AQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 90,000 shares; 2025Q1: 68,000 shares; 2025Q2: 50,000 shares; 2025Q3: 50,000 shares; 2025Q4: 39,000 shares; 2026Q1: 43,000 shares 43,000$20.9M2.41%+4,000Timeline
HEIHEICO CORP NEWQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 108,000 shares; 2025Q1: 130,000 shares; 2025Q2: 120,000 shares; 2025Q3: 80,000 shares; 2025Q4: 80,000 shares; 2026Q1: 75,000 shares 75,000$20.6M2.38%-5,000Timeline
ORLYOREILLY AUTOMOTIVE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 11,000 shares; 2025Q1: 14,000 shares; 2025Q2: 180,000 shares; 2025Q3: 140,000 shares; 2025Q4: 160,000 shares; 2026Q1: 220,000 shares 220,000$20.3M2.35%+60,000Timeline
FERGFERGUSON ENTERPRISES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 80,000 shares 80,000$18.7M2.16%newTimeline
DDOGDATADOG INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 180,000 shares; 2025Q1: 37,003 shares; 2025Q2: 250,000 shares; 2025Q3: 250,000 shares; 2025Q4: 180,000 shares; 2026Q1: 140,900 shares 140,900$16.6M1.92%-39,100Timeline
IBKRINTERACTIVE BROKERS GROUP INQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 150,000 shares; 2025Q1: 60,000 shares; 2025Q2: 204,000 shares; 2025Q3: 170,000 shares; 2025Q4: 140,000 shares; 2026Q1: 219,375 shares 219,375$14.7M1.7%+79,375Timeline
JCIJOHNSON CONTROLS INTERNATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 92,000 shares 92,000$12M1.39%newTimeline
CLHCLEAN HARBORS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 24,160 shares 24,160$6.93M0.8%newTimeline
METAMETA PLATFORMS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: 40,000 shares; 2025Q1: 26,127 shares; 2025Q2: 32,000 shares; 2025Q3: 40,000 shares; 2025Q4: 11,000 shares; 2026Q1: 5,000 shares 5,000$2.86M0.33%-6,000Timeline
JHXJAMES HARDIE INDS PLCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 76,300 shares 76,300$1.45M0.17%newTimeline

Sold out in Q1 2026

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

SecurityShares beforeValue beforeType
TDGTRANSDIGM GROUP INC19,000$25.3Mshares
SHOPSHOPIFY INC130,000$20.9Mshares
BXBLACKSTONE INC135,000$20.8Mshares
MSFTMICROSOFT CORP41,500$20.1Mshares

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 0001420506-26-001149 base2026-05-15acceptance time not in the bulk data set