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 (2026-03-31)

Madison Avenue Partners, LP (CIK 1801265) reported $2.30B across 25 reported positions in its SEC 13F filing for 2026-03-31. Largest positions: SNDK ($393.3M, 17.10%), GHC ($259.9M, 11.30%), CPNG ($176.8M, 7.69%), ($171.1M, 7.44%), MKL ($168.2M, 7.32%). Source: SEC Form 13F.

RankTickerCompanyValue% PortfolioSharesAction
1SNDKSANDISK CORP$393.3M17.10%619,010Trimmed
2GHCGRAHAM HLDGS CO$259.9M11.30%245,829Hold
3CPNGCOUPANG INC$176.8M7.69%9.4MNew
4MAGNUM ICE CREAM CO NV$171.1M7.44%11.4MAdded
5MKLMARKEL GROUP INC$168.2M7.32%87,889Hold
6TBPHTHERAVANCE BIOPHARMA INC$154.4M6.71%9.5MHold
7ICLRICON PLC$142.0M6.17%1.3MNew
8INDIVIOR PLC$131.5M5.72%4.3MTrimmed
9SOLVSOLVENTUM CORP$122.5M5.33%1.9MTrimmed
10MOHMOLINA HEALTHCARE INC$84.5M3.67%633,877Hold
11GLPGGALAPAGOS NV$74.0M3.22%2.5MAdded
12BTIBRITISH AMERN TOB PLC$65.7M2.86%1.1MTrimmed
13GMEDGLOBUS MED INC$61.8M2.69%717,476Trimmed
14STGWSTAGWELL INC$50.4M2.19%8.0MHold
15AIVAPARTMENT INVT & MGMT CO$50.4M2.19%12.4MNew
16STAASTAAR SURGICAL CO$45.7M1.99%2.4MNew
17WLYWILEY JOHN & SONS INC$25.8M1.12%678,417Trimmed
18PRMBPRIMO BRANDS CORPORATION$24.9M1.08%1.3MNew
19TPBTURNING PT BRANDS INC$21.5M0.93%247,723Hold
20SBGISINCLAIR INC$19.1M0.83%1.5MAdded
21DNOWDNOW INC$16.3M0.71%1.4MNew
22MAGNMAGNERA CORP$15.1M0.66%1.6MTrimmed
23CBCYCENTRAL BANCOMPANY$10.7M0.46%444,933Trimmed
24KROSKEROS THERAPEUTICS INC$6.9M0.30%626,583Trimmed
25PARPAR TECHNOLOGY CORP$6.0M0.26%447,878New

Source: SEC Form 13F filings · as of 2026-03-31