Stocks/Funds/CIK 104889

Graham Holdings Co

long-term holderconcentrated
Quarterly 13F filings · Latest period 2026-03-31 · CIK 104889
Assets
$967M
+7.3% YoY
Holdings
6
Lifetime alpha vs market
-0.58% annual
Average hold time
3.8 yr
median 4.5 yr

Quarterly history

Cum return +49% vs S&P +52% · α -4% lifetimeAUM $967M · peak $1.1BFlow $-13M (-1%)2021-122022-092023-062024-032024-122025-092026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
+5.63%
adds when stocks drop
when a holding falls −10%+
Middle response
-2.23%
baseline attrition
Rally response
-2.46%
trims into rallies
when a holding rises +10%+

Top positions · 6

Ticker$ value% portYoYHold time
BRK-ABerkshire Hathaway Inc.$303M31.3%4.5 yr
GOOGAlphabet Inc.$282M29.2%+84.3%4.5 yr
BRK-BBerkshire Hathaway Inc.$231M23.9%4.5 yr
MKLMarkel Corporation$106M11.0%+2.4%4.5 yr
PUBMPubMatic, Inc.$28M2.9%-10.5%4.0 yr
CABOCable One, Inc.$17M1.7%-65.7%0.8 yr

Portfolio composition (YoY)

Industry mix
Insurance - Diversified55.2%-10.7pp$534M
Internet Content & Information29.2%+9.5pp$282M
Insurance - Property & Casualty11.0%-0.5pp$106M
Software - Application2.9%+0.0pp$28M
Telecommunications Services1.7%$17M
Country
US100.0%+0.0pp
Top 5: 98.3% · Top 10: 100.0% · Top 25: 100.0%

Winners

TickerPrev $PnLYoY %
GOOG$177M+0.15B84.3%
MKL$104M+0.00B2.4%
PUBM$26M-0.00B-10.5%

Losers

TickerPrev $PnLYoY %
PUBM$26M-0.00B-10.5%

Top buys this quarter · 1

PUBM PubMatic, Inc.+$5M

Top sells this quarter · 1

GOOG Alphabet Inc.$44M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$967M6+43.18%+17.59%+25.59%-0.01B
2025-12-31$1.08B6+38.24%+17.72%+20.52%-0.11B
2025-09-30$999M6+29.23%+17.52%+11.71%-0.05B
2025-06-30$890M5+0.49%+14.94%-14.45%-0.13B
2025-03-31$901M5-1.47%+8.30%-9.77%+0.16B
2024-12-31$852M5+26.23%+24.89%+1.34%-0.07B
2024-09-30$825M5+20.53%+36.04%-15.51%+0.08B
2024-06-30$813M5+35.26%+24.49%+10.76%-0.07B
2024-03-31$794M5+41.03%+29.62%+11.41%+0.02B
2023-12-31$690M5+35.77%+26.18%+9.59%-0.02B
2023-09-30$666M5+22.06%+21.57%+0.50%+0.00B
2023-06-30$649M5-2.49%+19.42%-21.92%-0.05B
2023-03-31$604M5-25.28%-7.82%-17.46%-0.05B
2022-12-31$610M6-4.53%+7.56%-12.09%+0.04B
2022-09-30$597M6-18.18%-4.93%-13.26%+0.07B
2022-06-30$649M6-11.27%-16.11%+4.84%-0.06B