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Madison Avenue Partners, LP

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13F filer, CIK 1801265, NEW YORK, NY

Madison Avenue Partners, LP reported $944,370,369 across 15 holdings for the quarter ended 2024-12-31, in a 13F-HR filed 2025-02-14. Its ten largest share positions make up 96.36% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001801265-25-000002

Period
2024-12-31
Reported value
$944M
Holdings
15
Top 10 weight
96.36%
New
2
Sold out
12

Largest buys vs the previous quarter

SecurityShares changeApprox. value
ACHCnew+1,925,327$76.3M
MAGNnew+3,406,293$61.9M
EDRadded+1,667,398$52.2M
INVXadded+662,009$9.25M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
LBRDKexited-1,696,584-$131M
GMEDexited-1,137,050-$81.3M
QDELexited-1,033,382-$47.1M
DCOexited-363,729-$23.9M
NWSAexited-428,040-$11.4M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q4 2024

Share positions as resolved from 13F-HR 0001801265-25-000002, largest first. % of portfolio is the value over $944,370,369, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
GHCGRAHAM HLDGS COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 235,271 shares; 2024Q4: 235,271 shares 235,271$205M21.72%0Timeline
SOLVSOLVENTUM CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 2,827,672 shares; 2024Q4: 2,827,672 shares 2,827,672$187M19.78%0Timeline
WLYWILEY JOHN & SONS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 2,290,206 shares; 2024Q4: 2,096,793 shares 2,096,793$91.7M9.7%-193,413Timeline
TBPHTHERAVANCE BIOPHARMA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 9,511,150 shares; 2024Q4: 9,511,150 shares 9,511,150$89.5M9.48%0Timeline
ACHCACADIA HEALTHCARE COMPANY INQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 1,925,327 shares 1,925,327$76.3M8.08%newTimeline
EDRENDEAVOR GROUP HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 730,260 shares; 2024Q4: 2,397,658 shares 2,397,658$75M7.94%+1,667,398Timeline
MAGNMAGNERA CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 3,406,293 shares 3,406,293$61.9M6.55%newTimeline
STGWSTAGWELL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 7,147,662 shares; 2024Q4: 7,147,662 shares 7,147,662$47M4.98%0Timeline
INDIVIOR PLCINDIVIOR PLCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 3,960,772 shares; 2024Q4: 3,673,426 shares 3,673,426$45.7M4.84%-287,346
NNINELNET INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 290,213 shares; 2024Q4: 290,213 shares 290,213$31M3.28%0Timeline
INVXINNOVEX INTERNATIONAL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,024,467 shares; 2024Q4: 1,686,476 shares 1,686,476$23.6M2.49%+662,009Timeline
FSPFRANKLIN STR PPTYS CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 3,291,443 shares; 2024Q4: 2,733,418 shares 2,733,418$5M0.53%-558,025Timeline
OVIDOVID THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 4,116,773 shares; 2024Q4: 3,722,627 shares 3,722,627$3.48M0.37%-394,146Timeline
2SEVENTY BIO INC COMMON STO…2SEVENTY BIO INC COMMON STOCKQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 2,563,222 shares; 2024Q4: 579,895 shares 579,895$1.7M0.18%-1,983,327
SNSHARKNINJA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 6,152 shares; 2024Q4: 6,152 shares 6,152$599K0.06%0Timeline

Sold out in Q4 2024

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
LBRDKLIBERTY BROADBAND CORP1,696,584$131Mshares
GMEDGLOBUS MED INC1,137,050$81.3Mshares
QDELQUIDELORTHO CORP1,033,382$47.1Mshares
DCODUCOMMUN INC DEL363,729$23.9Mshares
NWSANEWS CORP NEW428,040$11.4Mshares
AMTMAMENTUM HOLDINGS INC383,218$11.1Mshares
REVANCE THERAPEUTICS INCREVANCE THERAPEUTICS INC1,353,321$7.02Mshares
ModivCare IncModivCare Inc261,511$3.73Mshares
NWSNEWS CORP NEW52,534$1.47Mshares
CEETHE CENTRAL AND EASTERN EU I79,400$851Kshares
TALKTALKSPACE INC257,238$538Kshares
ZIMVIE INCZIMVIE INC1,771$28.1Kshares

How Q4 2024 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001801265-25-000002 base2025-02-14acceptance time not in the bulk data set