SEC 13F Intelligence

Managers / Q1 2026

Madison Avenue Partners, LP

CIK 0001801265 · 150 EAST 58TH STREET, 14TH FLOOR, NEW YORK, NY, 10155 · 212-702-8644

Reported Value
$2.3B
Q1 2026
Positions
27
Filings on Record
27
2019–present window
Filed
May 15, 2026
original filing

Summary

Madison Avenue Partners, Lp reported $2.3B in U.S.-listed holdings across 27 positions for Q1 2026.

Its largest position, SNDK, represents 17.1% of the portfolio.

Compared with Q4 2025, the fund opened 7 new positions and exited 3.

Reported Value by Quarter

13F Reported Value
Q4 ’19: $116MQ4 ’19Q1 ’20: $202MQ2 ’20: $254MQ3 ’20: $279MQ4 ’20: $275MQ4 ’20Q1 ’21: $326MQ2 ’21: $335MQ3 ’21: $451MQ4 ’21: $462MQ4 ’21Q1 ’22: $535.6BQ2 ’22: $489MQ3 ’22: $466MQ4 ’22: $564.5BQ4 ’22Q1 ’23: $465MQ2 ’23: $458MQ3 ’23: $705MQ4 ’23: $708MQ4 ’23Q1 ’24: $620MQ2 ’24: $792MQ3 ’24: $1.1BQ4 ’24: $944MQ4 ’24Q1 ’25: $1.2BQ2 ’25: $1.5BQ3 ’25: $1.7BQ4 ’25: $2.3BQ4 ’25Q1 ’26: $2.3Bfilingsflow.com

Portfolio Composition

By security type

Composition data arrives with ticker enrichment.

Quarter-over-Quarter Changes full breakdown →

Holdings — Q1 2026

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#IssuerClass% PortfolioValueShares

Filing History

QuarterReported ValuePositionsFiledTypeLinks
Q1 2026$2.3B27May 15, 202613F-HRchanges · EDGAR ↗
Q4 2025$2.3B23Feb 17, 202613F-HRchanges · EDGAR ↗
Q3 2025$1.7B20Nov 14, 202513F-HRchanges · EDGAR ↗
Q2 2025$1.5B26Aug 14, 202513F-HRchanges · EDGAR ↗
Q1 2025$1.2B22May 15, 202513F-HRchanges · EDGAR ↗
Q4 2024$944M15Feb 14, 202513F-HRchanges · EDGAR ↗
Q3 2024$1.1B25Nov 14, 202413F-HRchanges · EDGAR ↗
Q2 2024$792M20Aug 14, 202413F-HRchanges · EDGAR ↗
Q1 2024$620M18May 15, 202413F-HRchanges · EDGAR ↗
Q4 2023$708M19Feb 16, 202413F-HRchanges · EDGAR ↗
Q3 2023$705M20Nov 14, 202313F-HRchanges · EDGAR ↗
Q2 2023$458M19Aug 14, 202313F-HRchanges · EDGAR ↗
Q1 2023$465M18May 15, 202313F-HRchanges · EDGAR ↗
Q4 2022$564.5B22Feb 14, 202313F-HRchanges · EDGAR ↗
Q3 2022$466M18Nov 14, 202213F-HRchanges · EDGAR ↗
Q2 2022$489M16Aug 15, 202213F-HRchanges · EDGAR ↗
Q1 2022$535.6B18May 16, 202213F-HRchanges · EDGAR ↗
Q4 2021$462M16Feb 14, 202213F-HRchanges · EDGAR ↗
Q3 2021$451M17Nov 15, 202113F-HRchanges · EDGAR ↗
Q2 2021$335M14Aug 16, 202113F-HRchanges · EDGAR ↗
Q1 2021$326M14May 17, 202113F-HRchanges · EDGAR ↗
Q4 2020$275M12Feb 12, 202113F-HRchanges · EDGAR ↗
Q3 2020$279M16Nov 16, 202013F-HRchanges · EDGAR ↗
Q2 2020$254M18Aug 14, 202013F-HRchanges · EDGAR ↗
Q1 2020$202M18May 22, 2020RESTATEMENTchanges · EDGAR ↗
Q4 2019$116M15Feb 14, 202013F-HRchanges · EDGAR ↗

13F filings are due up to 45 days after quarter end, so holdings shown here lag the fund’s current book. Source: original SEC filing on EDGAR ↗.