One Madison Group LLC — 13F Holdings & Portfolio
CIK 1728278 · latest 13F-HR filed 2026-08-14
One Madison Group LLC manages $1.04B in 13F-reported U.S. long-equity assets across 27 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are CR (7.61%), XPO (6.91%), AMZN (6.87%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 3 new positions, exited 4, added to 18, and trimmed 5.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
NEW YORK, NY 10016
$1.04B
Long-equity book
27
Distinct positions
2026-06-30
Filed 2026-08-14
+3 / −4 / ↑18 / ↓5
vs 2026-03-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- JOHNSON CONTROLS INTERNATION$46.4M +385.1%
- JAMES HARDIE INDS PLC$24.7M +1711.6%
- RBC BEARINGS INC$18.9M +58.1%
- CRANE COMPANY$17.7M +28.8%
- TAKE-TWO INTERACTIVE SOFTWAR$16.5M +39.0%
Top Trims
- MARTIN MARIETTA MATLS INC-$19.0M -35.4%
- OREILLY AUTOMOTIVE INC-$18.5M -90.9%
- NETFLIX INC.-$12.9M -51.4%
- SHERWIN WILLIAMS CO-$12.1M -54.0%
- SPOTIFY TECHNOLOGY S A-$2.5M -11.9%
New Positions
- DPC HOLDINGS PLC$39.2M
- SPACE EXPLORATION TECHN CORP$17.1M
- CEREBRAS SYSTEMS INC$14.3M
Exited Positions
- NVIDIA CORPORATION$27.9M
- FERGUSON ENTERPRISES INC$18.7M
- DATADOG INC$16.6M
- CLEAN HARBORS INC$6.9M
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | CRANE COMPANY | CR | 224408104 | $79.2M | 7.61% | 355,000 | SH |
| 2 | XPO INC | XPO | 983793100 | $71.9M | 6.91% | 350,100 | SH |
| 3 | AMAZON COM INC | AMZN | 023135106 | $71.5M | 6.87% | 300,000 | SH |
| 4 | TAKE-TWO INTERACTIVE SOFTWAR | TTWO | 874054109 | $58.7M | 5.65% | 235,000 | SH |
| 5 | JOHNSON CONTROLS INTERNATION | JCI | G51502105 | $58.4M | 5.62% | 400,000 | SH |
| 6 | GE VERNOVA INC | GEV | 36828A101 | $56.4M | 5.42% | 48,000 | SH |
| 7 | LOAR HOLDINGS INC | LOAR | 53947R105 | $55.6M | 5.35% | 690,000 | SH |
| 8 | RBC BEARINGS INC | RBC | 75524B104 | $51.5M | 4.95% | 80,000 | SH |
| 9 | ALPHABET INC | GOOG | 02079K107 | $51.2M | 4.92% | 145,000 | SH |
| 10 | WOODWARD INC | WWD | 980745103 | $51.1M | 4.91% | 120,000 | SH |
| 11 | GE AEROSPACE | GE | 369604301 | $48.2M | 4.63% | 129,000 | SH |
| 12 | HILTON WORLDWIDE HLDGS INC | HLT | 43300A203 | $39.7M | 3.81% | 120,000 | SH |
| 13 | DPC HOLDINGS PLC | DPC | G2R11M108 | $39.2M | 3.77% | 800,000 | SH |
| 14 | FERRARI N V | RACE | N3167Y103 | $39.1M | 3.76% | 105,000 | SH |
| 15 | UNION PAC CORP | UNP | 907818108 | $35.4M | 3.40% | 130,000 | SH |
| 16 | MARTIN MARIETTA MATLS INC | MLM | 573284106 | $34.6M | 3.33% | 60,000 | SH |
| 17 | API GROUP CORP | APG | 00187Y100 | $31.8M | 3.05% | 750,000 | SH |
| 18 | HEICO CORP NEW | HEI | 422806109 | $28.5M | 2.74% | 80,000 | SH |
| 19 | JAMES HARDIE INDS PLC | JHX | G4253H101 | $26.2M | 2.52% | 1,000,000 | SH |
| 20 | INTERACTIVE BROKERS GROUP IN | IBKR | 45841N107 | $21.7M | 2.09% | 249,500 | SH |
| 21 | SPOTIFY TECHNOLOGY S A | SPOT | L8681T102 | $18.4M | 1.77% | 40,000 | SH |
| 22 | SPACE EXPLORATION TECHN CORP | SPCX | 84615Q103 | $17.1M | 1.64% | 100,000 | SH |
| 23 | META PLATFORMS INC | META | 30303M102 | $16.4M | 1.58% | 29,100 | SH |
| 24 | CEREBRAS SYSTEMS INC | CBRS | 15675D103 | $14.3M | 1.38% | 64,776 | SH |
| 25 | NETFLIX INC. | NFLX | 64110L106 | $12.1M | 1.17% | 170,000 | SH |
| 26 | SHERWIN WILLIAMS CO | SHW | 824348106 | $10.3M | 0.99% | 30,000 | SH |
| 27 | OREILLY AUTOMOTIVE INC | ORLY | 67103H107 | $1.8M | 0.18% | 20,000 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-14 | $1.04B | 27 | 0001420506-26-001829 |
| 2026-03-31 | 2026-05-15 | $865.8M | 28 | 0001420506-26-001149 |
| 2025-12-31 | 2026-02-17 | $866.6M | 27 | 0001420506-26-000582 |
| 2025-09-30 | 2025-11-14 | $912.8M | 31 | 0001420506-25-003405 |