Madison Avenue Partners, LP reported 24 positions worth $2.17B for the quarter ended Jun 30, 2026, up 1.0% on the prior quarter. It opened 7 new positions, added to 7, trimmed 7 and exited 9. Its largest holding is Graham Holdings Co at 13% of the portfolio.
Reported 13F market value at each quarter end. A change mixes trading with price moves in the positions held.
Dollar value of shares bought and sold each quarter, at that quarter’s price. It counts trading only, not price changes.
How many positions were opened, added to, trimmed or closed each quarter.
Share of reported value in each sector at every quarter end.
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| INVH Invitation Homes Inc. | +8.34M | – | $251.81M | 11.62% |
| OCTV Octave Intelligence plc | +4.22M | – | $68.83M | 3.18% |
| CPNG Coupang, Inc. | +3.09M | +33.0% | $53.74M | 9.99% |
| STAA Staar Surgical Co | +1.73M | +71.0% | $49.75M | 5.53% |
| MKL Markel Group Inc. | +24.4K | +27.8% | $47.72M | 10.13% |
| SANM Sanmina Corp | +188.3K | – | $47.66M | 2.2% |
| PRIM Primoris Services Corp | +462.1K | – | $45.80M | 2.11% |
| AD Array Digital Infrastructure, Inc. | +1.11M | – | $40.23M | 1.86% |
| LKFT Lakefront Biotherapeutics NV | +982.6K | +39.9% | $29.46M | 4.77% |
| GMED Globus Medical Inc | +217.7K | +30.3% | $17.20M | 3.41% |
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| SNDK Sandisk Corp | -609.3K | -98.4% | $1.39B | 1.02% |
| ICLR Icon Plc | -1.28M | -100.0% | $141.96M | Exited |
| MOH Molina Healthcare, Inc. | -633.9K | -100.0% | $84.50M | Exited |
| INDV Supernus, Inc. | -1.44M | -33.4% | $59.12M | 5.44% |
| WLY John Wiley & Sons, Inc. | -678.4K | -100.0% | $25.85M | Exited |
| PRMB Primo Brands Corp | -1.32M | -100.0% | $24.89M | Exited |
| DNOW DNOW Inc. | -1.37M | -100.0% | $16.26M | Exited |
| CBC Central Bancompany, Inc. | -444.9K | -100.0% | $10.66M | Exited |
| SOLV Solventum Corp | -134.5K | -7.2% | $10.38M | 6.2% |
| MICC Magnum Ice Cream Co N.V. | -552.9K | -4.8% | $9.63M | 8.75% |
| Holding | Shares | Trade Value | Weight |
|---|---|---|---|
| INVH Invitation Homes Inc. | +8.34M | $251.81M | 11.62% |
| OCTV Octave Intelligence plc | +4.22M | $68.83M | 3.18% |
| SANM Sanmina Corp | +188.3K | $47.66M | 2.2% |
| PRIM Primoris Services Corp | +462.1K | $45.80M | 2.11% |
| AD Array Digital Infrastructure, Inc. | +1.11M | $40.23M | 1.86% |
| MRP Millrose Properties, Inc. | +298.5K | $8.97M | 0.414% |
| MNRO Monro, Inc. | +96.0K | $1.64M | 0.076% |
| Holding | Shares Sold | Trade Value | Prior Weight |
|---|---|---|---|
| ICLR Icon Plc | -1.28M | $141.96M | 6.62% |
| MOH Molina Healthcare, Inc. | -633.9K | $84.50M | 3.94% |
| WLY John Wiley & Sons, Inc. | -678.4K | $25.85M | 1.2% |
| PRMB Primo Brands Corp | -1.32M | $24.89M | 1.16% |
| DNOW DNOW Inc. | -1.37M | $16.26M | 0.758% |
| CBC Central Bancompany, Inc. | -444.9K | $10.66M | 0.497% |
| PAR Par Technology Corp | -447.9K | $5.97M | 0.278% |
| FSP Franklin Street Properties Corp | -1.08M | $717.75K | 0.033% |
| SN SharkNinja, Inc. | -6,152 | $651.50K | 0.03% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | GHC Graham Holdings Co | Consumer Discretionary | 246.4K | $281.21M | 12.98% | +539 | +0.2% | Added | 7.53% |
| 2 | INVH Invitation Homes Inc. | Real Estate | 8.34M | $251.81M | 11.62% | +8.34M | – | New | 1.41% |
| 3 | MKL Markel Group Inc. | Financial Services | 112.3K | $219.37M | 10.13% | +24.4K | +27.8% | Added | 0.9% |
| 4 | CPNG Coupang, Inc. | Consumer Discretionary | 12.46M | $216.38M | 9.99% | +3.09M | +33.0% | Added | 0.76% |
| 5 | MICC Magnum Ice Cream Co N.V. | Others | 10.89M | $189.64M | 8.75% | -552.9K | -4.8% | Reduced | 1.78% |
| 6 | SOLV Solventum Corp | Healthcare | 1.74M | $134.34M | 6.2% | -134.5K | -7.2% | Reduced | 1.01% |
| 7 | STAA Staar Surgical Co | Healthcare | 4.18M | $119.80M | 5.53% | +1.73M | +71.0% | Added | 8.37% |
| 8 | INDV Supernus, Inc. | Healthcare | 2.87M | $117.94M | 5.44% | -1.44M | -33.4% | Reduced | 2.42% |
| 9 | LKFT Lakefront Biotherapeutics NV | Healthcare | 3.45M | $103.37M | 4.77% | +982.6K | +39.9% | Added | 5.23% |
| 10 | GMED Globus Medical Inc | Healthcare | 935.2K | $73.89M | 3.41% | +217.7K | +30.3% | Added | 0.84% |
| 11 | OCTV Octave Intelligence plc | Technology | 4.22M | $68.83M | 3.18% | +4.22M | – | New | 1.57% |
| 12 | BTI British American Tobacco p.l.c. | Consumer Staples | 1.04M | $64.43M | 2.97% | -80.5K | -7.2% | Reduced | 0.05% |
| 13 | STGW Stagwell Inc | Communication Services | 8.01M | $59.55M | 2.75% | 0 | 0.0% | Unchanged | 3.26% |
| 14 | SANM Sanmina Corp | Technology | 188.3K | $47.66M | 2.2% | +188.3K | – | New | 0.35% |
| 15 | PRIM Primoris Services Corp | Industrials | 462.1K | $45.80M | 2.11% | +462.1K | – | New | 0.86% |
Tip. Select a row to see that position’s full history at Madison Avenue Partners.
As of its Q2 2026 13F filing, Madison Avenue Partners, LP’s five largest positions were Graham Holdings Co (GHC) at 13.0%, Invitation Homes Inc. (INVH) at 11.6%, Markel Group Inc. (MKL) at 10.1%, Coupang, Inc. (CPNG) at 10.0%, Magnum Ice Cream Co N.V. (MICC) at 8.8% of the reported portfolio.
Madison Avenue Partners, LP reported a 13F portfolio worth $2.17B across 24 positions for Q2 2026. That is up 1.0% from the previous quarter.
Its largest purchases by value were Invitation Homes Inc. ($251.81M), Octave Intelligence plc ($68.83M), Coupang, Inc. ($53.74M). It opened 7 new positions.
Its largest sales by value were Sandisk Corp ($1.39B), Icon Plc ($141.96M), Molina Healthcare, Inc. ($84.50M). It exited 9 positions entirely.
From the Form 13F-HR reports Madison Avenue Partners, LP files with the SEC each quarter, within 45 days of quarter end. A 13F lists long positions in US-listed equities and options; it excludes short positions, cash, bonds and most non-US holdings.
13F data reflects long positions in US-listed equities and options as reported to the SEC up to 45 days after quarter end. It excludes short positions, cash, bonds and most non-US securities, so it is not a complete picture of a manager’s assets.