Madison Avenue Partners, LP: 13F holdings, Q2 2026
Hedge fund · SEC EDGAR filings (CIK 1801265) · Explore on the interactive board
Madison Avenue Partners, LP disclosed 25 US equity positions worth $2.3bn in its Q2 2026 13F filing (holdings as of June 30, 2026, filed August 14, 2026). Its largest position is GHC at 12.1% of the reported book, followed by INVH, MKL. The top ten holdings are 77.1% of the book, and the portfolio behaves like about 14 equal-weight positions. Versus the prior filing it opened 7 new positions, added to 5, reduced 8 and exited 9. Note: this manager's most recent filing is 3934 quarters behind the newest quarter on file, so these figures are history rather than current positioning.
What does Madison Avenue Partners, LP own? Top holdings as of June 30, 2026
Change is measured in shares against the previous filing (Q1 2026), so price moves do not read as decisions. This quarter: 7 new, 5 added, 8 reduced, 9 exited.
| # | Stock | Sector | Weight | Value | Shares | Δ shares | Action |
|---|---|---|---|---|---|---|---|
| 1 | GHC GRAHAM HLDGS CO | Industrials | 12.1% | $281.2m | 246,368 | 0% | held |
| 2 | INVH INVITATION HOMES INC | Real Estate | 10.8% | $251.8m | 8,335,309 | – | new |
| 3 | MKL MARKEL GROUP INC | Financial Services | 9.4% | $219.4m | 112,325 | 28% | added |
| 4 | CPNG COUPANG INC | Consumer Cyclical | 9.3% | $216.4m | 12,457,195 | 33% | added |
| 5 | MAGNUM ICE CREAM CO NV | 8.2% | $189.6m | 10,892,592 | -5% | reduced | |
| 6 | TBPH THERAVANCE BIOPHARMA INC | Healthcare | 6.7% | $156.6m | 9,212,252 | -3% | reduced |
| 7 | SOLV SOLVENTUM CORP | Healthcare | 5.8% | $134.3m | 1,741,221 | -7% | reduced |
| 8 | STAA STAAR SURGICAL CO | Healthcare | 5.2% | $119.8m | 4,175,748 | 71% | added |
| 9 | INDV INDIVIOR PLC | Healthcare | 5.1% | $117.9m | 2,874,368 | -33% | reduced |
| 10 | LKFT LAKEFRONT BIOTHERAPEUTICS NV | Healthcare | 4.4% | $103.4m | 3,447,807 | 40% | added |
| 11 | GMED GLOBUS MED INC | Healthcare | 3.2% | $73.9m | 935,216 | 30% | added |
| 12 | OCTAVE INTELLIGENCE PLC | 3.0% | $68.8m | 4,222,663 | – | new | |
| 13 | BTI BRITISH AMERN TOB PLC | Consumer Defensive | 2.8% | $64.4m | 1,043,302 | -7% | reduced |
| 14 | STGW STAGWELL INC | 2.6% | $59.5m | 8,014,322 | 0% | held | |
| 15 | SANM SANMINA CORP | Technology | 2.1% | $47.7m | 188,322 | – | new |
| 16 | PRIM PRIMORIS SVCS CORP | Industrials | 2.0% | $45.8m | 462,058 | – | new |
| 17 | AD ARRAY DIGITAL INFRASTRUCTURE | Communication Services | 1.7% | $40.2m | 1,109,463 | – | new |
| 18 | AIV APARTMENT INVT & MGMT CO | Real Estate | 1.6% | $36.8m | 12,374,991 | 0% | held |
| 19 | SNDK SANDISK CORP | Technology | 0.9% | $22.1m | 9,698 | -98% | reduced |
| 20 | TPB TURNING PT BRANDS INC | Consumer Defensive | 0.9% | $21.0m | 247,823 | 0% | held |
| 21 | SBGI SINCLAIR INC | Communication Services | 0.8% | $19.7m | 1,383,470 | -6% | reduced |
| 22 | MAGN MAGNERA CORP | 0.7% | $15.3m | 1,302,066 | -18% | reduced | |
| 23 | MRP MILLROSE PPRYS INC | Real Estate | 0.4% | $9.0m | 298,461 | – | new |
| 24 | KROS KEROS THERAPEUTICS INC | Healthcare | 0.3% | $6.7m | 626,583 | 0% | held |
| 25 | MNRO MONRO INC | Consumer Cyclical | 0.1% | $1.6m | 95,966 | – | new |
What did Madison Avenue Partners, LP sell? Positions exited since the previous filing
| Stock | Prior weight | Prior value |
|---|---|---|
| ICLR ICON PLC | 45.6% | $142.0m |
| MOH MOLINA HEALTHCARE INC | 27.1% | $84.5m |
| WLY WILEY JOHN & SONS INC | 8.3% | $25.8m |
| PRMB PRIMO BRANDS CORPORATION | 8.0% | $24.9m |
| DNOW DNOW INC | 5.2% | $16.3m |
| CBC CENTRAL BANCOMPANY | 3.4% | $10.7m |
| PAR PAR TECHNOLOGY CORP | 1.9% | $6.0m |
| FSP FRANKLIN STR PPTYS CORP | 0.2% | $717.7k |
| SN SHARKNINJA INC | 0.2% | $651.5k |
Sector mix
| Sector | Weight |
|---|---|
| Healthcare | 30.7% |
| Industrials | 14.1% |
| Real Estate | 12.8% |
| Financial Services | 9.4% |
| Consumer Cyclical | 9.4% |
| Consumer Defensive | 3.7% |
Sectors cover positions whose ticker resolved to a sector; the remainder is unclassified, not cash.
Filing history
How concentrated is Madison Avenue Partners, LP's portfolio?
Across every quarter Madison Avenue Partners, LP has filed, its median largest position is 14.6% of the book and its median top-ten weight is 77.8%, which WhaleCreep classifies as concentrated (the gate is a median largest position of 5%). Of 9.0 completed holding spells, the median lasted 1.0 quarters; 25.0 positions are still open and their final length is unknown.