Stocks/Funds/CIK 1496228

SRB Corp

long-term holderconcentrated
Quarterly 13F filings · Latest period 2026-03-31 · CIK 1496228
Assets
$1.63B
+6.2% YoY
Holdings
23
Lifetime alpha vs market
-4.81% annual
Average hold time
5.2 yr
median 4.8 yr

Quarterly history

Cum return +25% vs S&P +52% · α -27% lifetimeAUM $1.6B · peak $1.9BFlow $-104M (-6%)2016-062017-122019-062020-122022-062023-122025-062026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
-2.57%
trims when stocks drop
when a holding falls −10%+
Middle response
-3.71%
baseline attrition
Rally response
-8.54%
trims into rallies
when a holding rises +10%+

Top positions · 23

Ticker$ value% portYoYHold time
MSFTMicrosoft Corporation$213M13.1%-0.6%10.5 yr
SAFTSafety Insurance Group, $130M8.0%-3.4%10.5 yr
RNRRenaissanceRe Holdings L$115M7.1%+24.6%4.8 yr
XLKState Street Technology $113M7.0%1.3 yr
INTCIntel Corporation$95M5.8%+94.3%10.3 yr
AMZNAmazon.com, Inc.$94M5.8%+9.5%2.5 yr
XLCState Street Communicati$89M5.5%1.5 yr
XLBState Street Materials S$86M5.3%1.5 yr
GEGE Aerospace$85M5.2%+42.5%4.8 yr
XLVState Street Health Care$82M5.0%1.5 yr
WMTWalmart Inc.$77M4.7%+42.8%5.8 yr
GWWW.W. Grainger, Inc.$73M4.5%+11.4%7.3 yr
GOOGLAlphabet Inc.$66M4.1%4.5 yr
TMToyota Motor Corporation$60M3.7%+18.6%4.8 yr
MRKMerck & Co., Inc.$56M3.4%+38.9%10.5 yr

Portfolio composition (YoY)

Industry mix
Asset Management24.4%+6.8pp$397M
Software - Infrastructure13.1%-3.9pp$213M
Insurance - Property & Casualty8.0%-1.5pp$130M
Insurance - Reinsurance7.1%+0.5pp$115M
Semiconductors5.8%+2.6pp$95M
Specialty Retail5.8%-0.3pp$94M
Aerospace & Defense5.2%+0.2pp$85M
Discount Stores4.7%+0.3pp$77M
Industrial - Distribution4.5%-0.1pp$73M
Internet Content & Information4.1%+1.7pp$66M
Country
US89.2%-0.7pp
BM7.1%+0.5pp
JP3.7%+0.3pp
Top 5: 41.0% · Top 10: 67.7% · Top 25: 100.0%

Winners

TickerPrev $PnLYoY %
INTC$50M+0.05B94.3%
MRK$112M+0.04B38.9%
GE$77M+0.03B42.5%
WMT$67M+0.03B42.8%
RNR$101M+0.02B24.6%

Losers

TickerPrev $PnLYoY %
PG$48M-0.01B-12.9%
SAFT$145M-0.00B-3.4%
SHW$39M-0.00B-7.4%
MSFT$260M-0.00B-0.6%

Top buys this quarter · 0

No buys this quarter

Top sells this quarter · 15

MSFT Microsoft Corporation$43M
GE GE Aerospace$20M
WMT Walmart Inc.$13M
RNR RenaissanceRe Holdings Ltd.$9M
PG The Procter & Gamble Company$5M
SAFT Safety Insurance Group, Inc.$3M
AMZN Amazon.com, Inc.$2M
INTC Intel Corporation$81M
CVS CVS Health Corporation$1M
GWW W.W. Grainger, Inc.$69M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$1.63B23+13.62%+17.59%-3.97%-0.10B
2025-12-31$1.82B23+16.50%+17.72%-1.22%+0.02B
2025-09-30$1.74B23+8.73%+17.52%-8.78%+0.00B
2025-06-30$1.67B23+6.93%+14.94%-8.01%-0.03B
2025-03-31$1.53B23-7.75%+8.30%-16.06%-0.17B
2024-12-31$1.74B23+6.03%+24.89%-18.85%+0.02B
2024-09-30$1.78B18+24.46%+36.04%-11.57%+0.05B
2024-06-30$1.69B19+18.28%+24.49%-6.21%-0.03B
2024-03-31$1.81B75+31.04%+29.62%+1.42%-0.09B
2023-12-31$1.69B90+21.98%+26.18%-4.19%-0.18B
2023-09-30$1.65B95+17.83%+21.57%-3.74%-0.01B
2023-06-30$1.70B97+9.03%+19.42%-10.39%+0.03B
2023-03-31$1.59B113-9.01%-7.82%-1.19%-0.06B
2022-12-31$1.58B94+9.56%+7.56%+2.00%+0.01B
2022-09-30$1.43B98-9.68%-4.93%-4.75%+0.04B
2022-06-30$1.54B64-11.87%-16.11%+4.24%-0.04B