Terminal · Institutions

Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.

Madison Avenue Partners, LP 13F Holdings -- Portfolio & Top Positions (2026-06-30)

Madison Avenue Partners, LP (CIK 1801265) reported $2.32B across 25 reported positions in its SEC 13F filing for 2026-06-30. Largest positions: GHC ($281.2M, 12.11%), INVH ($251.8M, 10.84%), MKL ($219.4M, 9.44%), CPNG ($216.4M, 9.31%), MICC ($189.6M, 8.16%). Source: SEC Form 13F.

RankTickerCompanyValue% PortfolioSharesAction
1GHCGRAHAM HLDGS CO$281.2M12.11%246,368Added
2INVHINVITATION HOMES INC$251.8M10.84%8.3MNew
3MKLMARKEL GROUP INC$219.4M9.44%112,325Added
4CPNGCOUPANG INC$216.4M9.31%12.5MAdded
5MICCMAGNUM ICE CREAM CO NV$189.6M8.16%10.9MTrimmed
6TBPHTHERAVANCE BIOPHARMA INC$156.6M6.74%9.2MTrimmed
7SOLVSOLVENTUM CORP$134.3M5.78%1.7MTrimmed
8STAASTAAR SURGICAL CO$119.8M5.16%4.2MAdded
9INDVINDIVIOR PLC$117.9M5.08%2.9MTrimmed
10LKFTLAKEFRONT BIOTHERAPEUTICS NV$103.4M4.45%3.4MAdded
11GMEDGLOBUS MED INC$73.9M3.18%935,216Added
12OCTVOCTAVE INTELLIGENCE PLC$68.8M2.96%4.2MNew
13BTIBRITISH AMERN TOB PLC$64.4M2.77%1.0MTrimmed
14STGWSTAGWELL INC$59.5M2.56%8.0MHold
15SANMSANMINA CORP$47.7M2.05%188,322New
16PRIMPRIMORIS SVCS CORP$45.8M1.97%462,058New
17ADARRAY DIGITAL INFRASTRUCTURE$40.2M1.73%1.1MNew
18AIVAPARTMENT INVT & MGMT CO$36.8M1.58%12.4MHold
19SNDKSANDISK CORP$22.1M0.95%9,698Trimmed
20TPBTURNING PT BRANDS INC$21.0M0.90%247,823Added
21SBGISINCLAIR INC$19.7M0.85%1.4MTrimmed
22MAGNMAGNERA CORP$15.3M0.66%1.3MTrimmed
23MRPMILLROSE PPRYS INC$9.0M0.39%298,461New
24KROSKEROS THERAPEUTICS INC$6.7M0.29%626,583Hold
25MNROMONRO INC$1.6M0.07%95,966New

Source: SEC Form 13F filings · as of 2026-06-30