Institutional Manager · CIK 0001728278
One Madison Group LLC
NEW YORK, NY · File #028-25301
Latest AUM
$866.6M
Positions
27
Top-10 Concentration
56.8%
Filings
5
Portfolio Value Over Time
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| EXITED | MAPLEBEAR INC | 565394103 | -1,180,346 | -$43.4M | $0 |
| ADD | MARTIN MARIETTA MATLS INC | 573284106 | +61,000 | +$38.0M | -$30,480 |
| EXITED | SNOWFLAKE INC | 833445109 | -134,597 | -$30.4M | $0 |
| ADD | NETFLIX INC | NFLX | +233,000 | +$21.8M | -$27.6M |
| ADD | WOODWARD INC | WWD | +64,000 | +$19.3M | +$2.6M |
| REDUCE | META PLATFORMS INC | META | -29,000 | -$19.1M | -$3.0M |
| ADD | RBC BEARINGS INC | RBC | +31,877 | +$14.3M | +$1.3M |
| REDUCE | DATADOG INC | DDOG | -70,000 | -$9.5M | -$1.6M |
| REDUCE | GE AEROSPACE | 369604301 | -29,000 | -$8.9M | +$1.2M |
| ADD | LOAR HOLDINGS INC | LOAR | +125,000 | +$8.5M | -$6.8M |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 202527 pos · $866.6M
- 13F HOLDINGS REPORTQ/E Sep 202531 pos · $912.8M
- 13F HOLDINGS REPORTQ/E Jun 202525 pos · $948.5M
- 13F HOLDINGS REPORTQ/E Mar 202529 pos · $765.1M
- 13F HOLDINGS REPORTQ/E Dec 202429 pos · $873.4M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | CRANE COMPANY | CR | 340,000 | $62.7M | 7.24% |
| 2 | TAKE-TWO INTERACTIVE SOFTWAR | TTWO | 243,000 | $62.2M | 7.18% |
| 3 | AMAZON COM INC | AMZN | 234,000 | $54.0M | 6.23% |
| 4 | ALPHABET INC | GOOG | 163,000 | $51.1M | 5.90% |
| 5 | XPO INC | XPO | 363,866 | $49.5M | 5.71% |
| 6 | LOAR HOLDINGS INC | LOAR | 688,000 | $46.8M | 5.40% |
| 7 | GE AEROSPACE | 369604301 | 141,000 | $43.4M | 5.01% |
| 8 | GE VERNOVA INC | GEV | 66,000 | $43.1M | 4.98% |
| 9 | MARTIN MARIETTA MATLS INC | 573284106 | 65,000 | $40.5M | 4.67% |
| 10 | FERRARI N V | RACE | 105,000 | $38.8M | 4.48% |
| 11 | WOODWARD INC | WWD | 117,000 | $35.4M | 4.08% |
| 12 | HILTON WORLDWIDE HLDGS INC | HLT | 110,000 | $31.6M | 3.65% |
| 13 | API GROUP CORP | APG | 800,000 | $30.6M | 3.53% |
| 14 | HEICO CORP NEW | HEI-A | 80,000 | $25.9M | 2.99% |
| 15 | TRANSDIGM GROUP INC | TDG | 19,000 | $25.3M | 2.92% |
| 16 | RBC BEARINGS INC | RBC | 55,000 | $24.7M | 2.85% |
| 17 | DATADOG INC | DDOG | 180,000 | $24.5M | 2.82% |
| 18 | NETFLIX INC | NFLX | 258,000 | $24.2M | 2.79% |
| 19 | UNION PAC CORP | UNP | 100,000 | $23.1M | 2.67% |
| 20 | SPOTIFY TECHNOLOGY S A | SPOT | 39,000 | $22.6M | 2.61% |