13F-HR filed by Madison Avenue Partners, LP
Madison Avenue Partners, LP filed this 13F-HR for the quarter ended 2025-06-30, filed 2025-08-14, with 26 holding rows worth $1,497,801,736.
- Accession
- 0001801265-25-000005
- Filer
- CIK 1801265
- Filed
- 2025-08-14
- Accepted by EDGAR
- acceptance time not in the bulk data set
- Ingested
- Source
- SEC quarterly data set
13F report for Q2 2025
A holdings report, 26 entries on the cover page, a total value of $1,497,801,736 stated on the cover page (in dollars after the unit check, H1), rows summing to $1,497,801,736 with VALUE read as dollars as filed, 13F file number 028-20035. The quarter's positions are built on this report. The resolved quarter.
The information table after summing rows of one CUSIP and put or call (H4), with the CUSIP and issuer name as filed. Values in dollars after the unit check (method).
| Issuer as filed | CUSIP | Class | Amount | Value | Value read as | Type |
|---|---|---|---|---|---|---|
| GRAHAM HLDGS CO COM CL B | 384637104 | Stock | 245,271 | $232,068,062 | dollars as filed | |
| SOLVENTUM CORP COM SHS | 83444M101 | Stock | 2,244,344 | $170,211,049 | dollars as filed | |
| MARKELGROUPINC | 570535104 | STOK | 84,310 | $168,397,422 | dollars as filed | |
| SanDisk Corporation | 80004C200 | COM | 3,571,109 | $161,949,793 | dollars as filed | |
| Indivior PLC | G4766E116 | Common Stock | 7,922,178 | $116,772,904 | dollars as filed | |
| THERAVANCE BIOPHARMA INC | G8807B106 | COM | 9,511,150 | $104,907,985 | dollars as filed | |
| GLOBUS MED INC CL A | 379577208 | Stock | 1,712,148 | $101,050,975 | dollars as filed | |
| WILEY JOHN & SONS INC | 968223206 | CL A | 2,052,696 | $91,611,822 | dollars as filed | |
| SAGE THERAPEUTICS INC | 78667J108 | COM | 6,077,065 | $55,422,833 | dollars as filed | |
| LAKEFRONT BIOTHERAPEUTICS NV | 36315X101 | SPON ADR | 1,877,011 | $52,537,538 | dollars as filed | |
| MAGNERA CORP | 55939A107 | COMMON STOCK | 3,344,005 | $40,395,580 | dollars as filed | |
| STAGWELL INC | 85256A109 | COM CL A | 8,014,322 | $36,064,449 | dollars as filed | |
| KEROS THERAPEUTICS INC COM | 492327101 | Stock | 2,691,465 | $35,931,058 | dollars as filed | |
| INNOVEX INTERNATIONAL INC | 457651107 | COM | 1,767,997 | $27,616,113 | dollars as filed | |
| MILLROSE PPTYS INC COM CL A | 601137102 | REIT | 825,804 | $23,543,672 | dollars as filed | |
| NELNET INC | 64031N108 | CL A | 144,214 | $17,467,200 | dollars as filed | |
| CARGO THERAPEUTICS INC COM | 14179K101 | Stock | 4,193,626 | $17,277,739 | dollars as filed | |
| Cannae Holdings, Inc. | 13765N107 | Common Stock, $0.0001 par value | 674,250 | $14,058,113 | dollars as filed | |
| APARTMENT INVT & MGMT CO CL A | 03748R747 | REIT | 1,473,826 | $12,748,595 | dollars as filed | |
| ALUMIS INC | 022307102 | COM | 1,842,269 | $5,526,807 | dollars as filed | |
| FRANKLIN STR PPTYS CORP | 35471R106 | COM | 2,580,357 | $4,231,785 | dollars as filed | |
| ARVINAS INC | 04335A105 | COM | 500,000 | $3,680,000 | dollars as filed | |
| PLIANT THERAPEUTICS INC | 729139105 | COM | 2,230,012 | $2,586,814 | dollars as filed | |
| COLUMBUS MCKINNON CORP NY | 199333105 | COMMON STOCK | 45,961 | $701,824 | dollars as filed | |
| SHARKNINJA INC COM SHS | G8068L108 | Stock | 6,152 | $608,986 | dollars as filed | |
| OVID THERAPEUTICS INC | 690469101 | COMMON STOCK | 1,311,362 | $432,618 | dollars as filed |
Amendment chain
| Filing | Role | Filed | Accepted | Ingested |
|---|---|---|---|---|
| 13F-HR 0001801265-25-000005 | this filing | 2025-08-14 | acceptance time not in the bulk data set |