Madison Avenue Partners LP

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Madison Avenue Partners LP
CRD #298610
SEC #801-115122
CIK #0001801265
AUM 3,930.8 M (2026-03-02)
Employees 7 (71% Investors, 0% Brokers)
Phone212-702-8644
Address150 East 58th St
New York, NY 10155
Source [IAPD] [EDGAR] [Website]
Total AUM ($B)
4.03.22.41.60.80.02010201520212027
In the News
Mon, 29 Jun 2026 Lakefront Receives Transparency Notification from Madison Avenue Partners — GlobeNewswire
Sector Form 13F Holdings Value ($B)
Sandisk Corp 0.4
Washington Post Co 0.3
Coupang Inc 0.2
Magnum ICE Cream Co NV 0.2
Markel Corp 0.2
Theravance Biopharma Inc 0.2
Icon PLC /Adr/ 0.1
Indivior PLC 0.1
Solventum Corp 0.1
Molina Healthcare Inc 0.1
View All
Holdings by Sector ($B)
3.02.41.81.20.60.02019202120242027
Type Form D Funds Date Sold AUM
HF Madison Avenue International LP [2018-11-01] 565.8 M 3,930.8 M
Filed 2025-09-19 (D/A) · Exemption 506(b), 3(c), 3(c)(1) · Minimum $100,000 · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
AUM Breakdown Accounts AUM ($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 3.9
(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 3.9
By Discretionary
Discretionary 3 3.9
Non-Discretionary 0 0.0
Total 3 3.9
By Non-United States Persons
Non-United States Persons 0.1
United States Persons 3.9
Total 3 3.9
Form D Directors Role # Filings # Firms 2011 - 2026
Geoff Ruddick Director 256 66
Cary Marr Director 115 33
Glenn Kennedy Director 35 12
Eli Samaha Executive Officer 2 2
EDGAR Form CIK 2011 - 2026
13F-HR [0001801265]
SC 13D [0001801265]
SC 13G [0001801265]
Form 13D/13G Filer Form 13D/13G Subject Filed
Madison Avenue Partners LP Lakefront Biotherapeutics NV [2026-06-23]
Madison Avenue Partners LP Staar Surgical Co [2026-04-20]
Madison Avenue Partners LP Apartment Investment & Management Co [2026-03-04]
Madison Avenue Partners LP Veradigm Inc [2026-01-29]
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]
View All
Firm Profile (Form ADV)
ServesInstitutional
Fund TypesHedge Fund
LEI549300LG5WXI9IJ4IC34
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