Stocks/Funds/CIK 1801265

Madison Avenue Partners, LP

long-term holder
Quarterly 13F filings · Latest period 2026-03-31 · CIK 1801265
Assets
$2.25B
+91.4% YoY
Holdings
26
Lifetime alpha vs market
+11.42% annual
Average hold time
1.6 yr
median 1.0 yr

Quarterly history

Cum return +135% vs S&P +52% · α +82% lifetimeAUM $2.3B · peak $2.3BFlow $-428M (-18%)2019-122020-122021-122022-122023-122024-122025-122026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
-13.45%
trims when stocks drop
when a holding falls −10%+
Middle response
-0.29%
baseline attrition
Rally response
-12.57%
trims into rallies
when a holding rises +10%+

Top positions · 26

Ticker$ value% portYoYHold time
SNDKSandisk Corporation$393M17.4%+1234.5%1.0 yr
GHCGraham Holdings Company$260M11.5%+10.9%6.3 yr
CPNGCoupang, Inc.$177M7.8%-13.9%0.3 yr
MICCThe Magnum Ice Cream Com$171M7.6%0.5 yr
MKLMarkel Corporation$168M7.5%+2.4%1.3 yr
TBPHTheravance Biopharma, In$154M6.8%+81.7%4.8 yr
ICLRICON Public Limited Comp$142M6.3%-36.8%0.3 yr
INDVIndivior Pharmaceuticals$132M5.8%0.5 yr
SOLVSolventum Corporation$122M5.4%-14.1%2.0 yr
MOHMolina Healthcare, Inc.$84M3.7%-59.5%0.5 yr
GLPGGalapagos N.V.$74M3.3%+19.4%1.0 yr
BTIBritish American Tobacco$66M2.9%+47.5%0.8 yr
GMEDGlobus Medical, Inc.$62M2.7%+17.7%1.8 yr
STGWStagwell Inc.$50M2.2%+4.0%4.8 yr
$50M2.2%1.5 yr

Portfolio composition (YoY)

Industry mix
Hardware, Equipment & Parts17.4%$393M
Education & Training Services11.5%-8.5pp$260M
Biotechnology10.4%-1.2pp$235M
Specialty Retail7.8%$177M
Packaged Foods7.6%$171M
Insurance - Property & Casualty7.5%-7.0pp$168M
Medical - Diagnostics & Research6.3%$142M
Drug Manufacturers - Specialty & Generic5.8%$132M
Medical - Care Facilities5.4%-12.8pp$122M
Tobacco3.9%$87M
Country
US62.1%-24.3pp
KR7.8%
NL7.6%
KY6.8%-0.4pp
IE6.3%
BE3.3%
Unknown3.1%-3.2pp
GB2.9%
Top 5: 51.9% · Top 10: 80.0% · Top 25: 100.0%

Winners

TickerPrev $PnLYoY %
TBPH$85M+0.07B81.7%
GHC$236M+0.03B10.9%
MKL$171M+0.00B2.4%
STGW$43M+0.00B4.0%
SN$1M+0.00B27.0%

Losers

TickerPrev $PnLYoY %
SOLV$214M-0.03B-14.1%
MAGN$61M-0.03B-47.6%
WLY$98M-0.01B-12.0%
FSP$5M-0.00B-61.4%

Top buys this quarter · 9

CPNG Coupang, Inc.new+$177M
ICLR ICON Public Limited Companynew+$142M
MICC The Magnum Ice Cream Company N+$75M
PRMB Primo Brands Corporationnew+$25M
DNOW Dnow Inc.new+$16M
GLPG Galapagos N.V.+$8M
PAR PAR Technology Corporationnew+$6M
+$0M
+$0M

Top sells this quarter · 13

SNDK Sandisk Corporation$340M
SOLS Solstice Advanced Materials Inexit$212M
GMED Globus Medical, Inc.$164M
UNF UniFirst Corporationexit$76M
INDV Indivior Pharmaceuticals Inc$60M
WLY John Wiley & Sons, Inc.$18M
SOLV Solventum Corporation$7M
BTI British American Tobacco p.l.c$6M
WK Workiva Inc.exit$4M
KROS Keros Therapeutics, Inc.$2M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$2.25B26+78.90%+17.59%+61.31%-0.43B
2025-12-31$2.33B23+59.13%+17.72%+41.41%+0.22B
2025-09-30$1.68B20+22.69%+17.52%+5.17%-0.21B
2025-06-30$1.50B26+14.90%+14.94%-0.04%+0.34B
2025-03-31$1.18B22+14.52%+8.30%+6.21%+0.21B
2024-12-31$944M15+16.48%+24.89%-8.41%-0.10B
2024-09-30$1.08B25+43.87%+36.04%+7.83%+0.15B
2024-06-30$792M20+18.85%+24.49%-5.65%+0.19B
2024-03-31$620M18+24.32%+29.62%-5.31%-0.12B
2023-12-31$708M19+18.52%+26.18%-7.66%-0.14B
2023-09-30$705M20+6.80%+21.57%-14.77%+0.26B
2023-06-30$458M19+10.66%+19.42%-8.76%-0.02B
2023-03-31$465M18-7.91%-7.82%-0.09%-0.10B
2022-12-31$565M22+7.97%+7.56%+0.41%+0.06B
2022-09-30$466M18+0.85%-4.93%+5.78%-0.03B
2022-06-30$489M16-14.89%-16.11%+1.22%+0.03B