Q3 2025 · 13F-HR
Madison Avenue Partners, LPholdings as filed
Filed 2025-11-14 · accession 0001801265-25-000008
$1.68B
Reported value
20
Positions
2025-09-30
Period end
The Brief · Madison Avenue Partners, LP · Q3 2025
AI · grounded in 13F
Madison Avenue Partners, LP established a new position in GHC valued at $289.4M. The fund also initiated new stakes in SNDK for $231.4M and MKL for $161.1M. Additional new positions include INDV at $155.8M, GMED at $145.9M, and SOLV at $145.2M. Total assets under management stand at $1.68B across 20 positions.
Holdings as filed
| CUSIP | Ticker | Issuer | Value | % port. | Shares | Class | Voting |
|---|---|---|---|---|---|---|---|
| 384637104 | GHC | GRAHAM HLDGS CO | $289.4M | 17.3% | 245,829 | Common | SOLE |
| 80004C200 | SNDK | SANDISK CORP | $231.4M | 13.8% | 2,062,521 | Common | SOLE |
| 570535104 | MKL | MARKEL GROUP INC | $161.1M | 9.62% | 84,310 | Common | SOLE |
| G4766E116 | INDV | INDIVIOR PLC | $155.8M | 9.30% | 6,463,585 | Common | SOLE |
| 379577208 | GMED | GLOBUS MED INC | $145.9M | 8.71% | 2,548,163 | Common | SOLE |
| 83444M101 | SOLV | SOLVENTUM CORP | $145.2M | 8.66% | 1,988,376 | Common | SOLE |
| G8807B106 | TBPH | THERAVANCE BIOPHARMA INC | $138.9M | 8.29% | 9,511,150 | Common | SOLE |
| 36315X101 | LKFT | GALAPAGOS NV | $76.1M | 4.54% | 2,195,775 | Common | SOLE |
| 110448107 | BTI | BRITISH AMERN TOB PLC | $65.0M | 3.88% | 1,223,767 | Common | SOLE |
| 968223206 | WLY | WILEY JOHN & SONS INC | $47.4M | 2.83% | 1,170,624 | Common | SOLE |
| 85256A109 | STGW | STAGWELL INC | $45.1M | 2.69% | 8,014,322 | Common | SOLE |
| 65249B109 | NWSA | NEWS CORP NEW | $44.6M | 2.66% | 1,453,322 | Common | SOLE |
| 492327101 | KROS | KEROS THERAPEUTICS INC | $42.8M | 2.56% | 2,708,218 | Common | SOLE |
| 55939A107 | MAGN | MAGNERA CORP | $33.2M | 1.98% | 2,832,281 | Common | SOLE |
| 03748R747 | AIV | APARTMENT INVT & MGMT CO | $28.7M | 1.71% | 3,617,314 | Common | SOLE |
| 155923105 | CTRI | CENTURI HOLDINGS INC | $14.7M | 0.88% | 693,136 | Common | SOLE |
| 35471R106 | FSP | FRANKLIN STR PPTYS CORP | $4.1M | 0.25% | 2,580,357 | Common | SOLE |
| 64031N108 | NNI | NELNET INC | $4.0M | 0.24% | 31,535 | Common | SOLE |
| 022307102 | ALMS | ALUMIS INC | $1.7M | 0.10% | 417,777 | Common | SOLE |
| G8068L108 | SN | SHARKNINJA INC | $634,579 | 0.04% | 6,152 | Common | SOLE |
Source: SEC EDGAR · raw 13F holdings as filed. The Class column shows the option type when reported (Put/Call) or Common when the issuer's equity is held directly. 13F discloses long positions only.