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Madison Avenue Partners, LP 13F holdings, Q1 2025

Holdings as of March 31, 2025 · filings on SEC EDGAR · latest filing →

Madison Avenue Partners, LP disclosed 22 US equity positions worth $1.2bn in its Q1 2025 13F filing. The largest position was GHC at 20.0% of the reported book, followed by SOLV and MKL. Against the Q4 2024 filing, it opened 8 new positions, added to 4 and reduced 5 among the top 22 holdings.

← Q4 2024 · Q2 2025 →

What did Madison Avenue Partners, LP own in Q1 2025? Top 22 positions

#StockSectorWeightValueSharesΔ sharesvs Q4 2024
1 GHC GRAHAM HLDGS CO Industrials 20.0%$235.7m245,271 4% added
2 SOLV SOLVENTUM CORP Healthcare 18.2%$213.9m2,813,017 -1% reduced
3 MKL MARKEL GROUP INC Financial Services 14.5%$170.8m91,357 – new
4 WLY WILEY JOHN & SONS INC Communication Services 8.4%$98.4m2,208,066 5% added
5 TBPH THERAVANCE BIOPHARMA INC Healthcare 7.2%$84.9m9,511,150 0% held
6 INDIVIOR PLC 6.3%$74.3m7,792,089 112% added
7 MAGN MAGNERA CORP 5.2%$60.7m3,344,005 -2% reduced
8 PCG PG&E CORP Utilities 4.3%$50.7m2,950,000 – new
9 INVX INNOVEX INTERNATIONAL INC 3.7%$43.3m2,413,608 43% added
10 STGW STAGWELL INC 3.7%$43.2m7,147,662 0% held
11 SG7 SAGE THERAPEUTICS INC 3.0%$35.6m4,477,798 – new
12 NNI NELNET INC Financial Services 2.2%$25.9m233,830 -19% reduced
13 CMCO COLUMBUS MCKINNON CORP N Y Industrials 0.9%$10.5m619,343 – new
14 ACELYRIN INC 0.9%$10.2m4,142,640 – new
15 CNNE CANNAE HLDGS INC Consumer Cyclical 0.7%$7.7m418,984 – new
16 FSP FRANKLIN STR PPTYS CORP Real Estate 0.4%$4.9m2,733,418 0% held
17 TSVT* 2SEVENTY BIO INC 0.2%$2.9m579,895 0% held
18 PLRX PLIANT THERAPEUTICS INC Healthcare 0.2%$2.3m1,675,043 – new
19 OVID OVID THERAPEUTICS INC Healthcare 0.1%$769.0k2,465,623 -34% reduced
20 SN SHARKNINJA INC Consumer Cyclical 0.0%$513.1k6,152 0% held
21 CRGX CARGO THERAPEUTICS INC 0.0%$410.9k100,952 – new
22 ACHC ACADIA HEALTHCARE COMPANY INC Healthcare 0.0%$287.6k9,486 -100% reduced

Weights are shares of the reported long US equity book (options excluded). Values are as filed, normalised to whole dollars. Share changes compare against the immediately preceding filing only.