Madison Avenue Partners LP

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Assets, Funds, Holdings

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Madison Avenue Partners LP
CRD #298610
SEC #801-115122
CIK #0001801265
AUM $2.3 B (2025-03-06)
Employees 7 (71% Investors, 0% Brokers)
Phone212-702-8644
Address150 East 58th St
New York, NY 10155
Source [IAPD] [EDGAR] [Website]
Total AUM ($B)
3.02.41.81.20.60.02011201620212026
Sector Form 13F Holdings Value ($M)
Washington Post Co 232.1
Solventum Corp 170.2
Markel Corp 168.4
Sandisk Corp 161.9
Indivior PLC 116.8
Theravance Biopharma Inc 104.9
Globus Medical Inc 101.1
Wiley John & Sons Inc 91.6
Galapagos NV 52.5
Glatfelter P H Co 40.4
View All
Holdings by Sector ($M)
1500120090060030002020202220242026
Type Form D Funds Date Sold ($M) AUM ($M)
HF Madison Avenue International LP [2018-11-01] 564.8 2,303.0
AUM Breakdown Accounts AUM ($B)
By Client Type
(a) Individuals (other than high net worth individuals) 0 0.0
(b) Individuals (high net worth individuals) 0 0.0
(c) Banking or thrift institutions 0 0.0
(d) Investment companies 0 0.0
(e) Business development companies 0 0.0
(f) Pooled investment vehicles 3 2.3
(g) Pension and profit sharing plans 0 0.0
(h) Charitable organizations 0 0.0
(i) State or municipal government entities 0 0.0
(j) Other investment advisers 0 0.0
(k) Insurance companies 0 0.0
(l) Sovereign wealth funds and foreign official institutions 0 0.0
(m) Corporations or other businesses not listed above 0 0.0
(n) Other 0 0.0
Total 3 2.3
By Discretionary
Discretionary 3 2.3
Non-Discretionary 0 0.0
Total 3 2.3
By Non-United States Persons
Non-United States Persons 0.0
United States Persons 2.3
Total 3 2.3
Form D Directors # Filings # Firms 2011 - 2025
Geoff Ruddick 250
Cary Marr 114
Glenn Kennedy 31
Eli Samaha 2
EDGAR Form CIK 2011 - 2025
13F-HR [0001801265]
SC 13D [0001801265]
SC 13G [0001801265]
Form 13D/13G Filer Form 13D/13G Subject Filed
Madison Avenue Partners LP Keros Therapeutics Inc [2025-05-14]
Madison Avenue Partners LP Acelyrin Inc [2025-04-30]
Madison Avenue Partners LP Cargo Therapeutics Inc [2025-04-28]
Madison Avenue Partners LP Sage Therapeutics Inc [2025-04-01]
Madison Avenue Partners LP Indivior PLC [2025-03-18]
Madison Avenue Partners LP Magnera Corp [2024-11-14]
Madison Avenue Partners LP John Wiley & Sons Inc [2024-09-30]
Madison Avenue Partners LP Veradigm Inc [2024-06-10]
Madison Avenue Partners LP Graham Holdings Co [2024-05-30]
Madison Avenue Partners LP Central & Eastern Europe Fund Inc [2024-01-22]
View All
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