SRB CORP - Stock Holdings in 13F Filings (SEC)

Updated on March 15, 2026.

Based on 13F Filings filed with the SEC on February 13, 2026, for the 2025 Q4 period, SRB CORP held in its portfolio 23 assets valued at $1,821,787,217 (i.e. $1.82B).

The most valuable assets in the portfolio included: MICROSOFT ORD ($335.11M), SAFETY INSURANCE GROUP ORD ($143.53M), and SEL SECTOR:TECH SPDR ($122.87M).

The chart below shows the top 10 valuable assets, and the table below shows the top 23 valuable assets.

You can see similar for other investment managers.

Related Topics: SEC Topic List.

Data Source: SEC.

Top Valuable Stocks in SRB CORP Portfolio

MICROSOFT ORD

SAFETY INSURANCE GROUP ORD

SEL SECTOR:TECH SPDR

RENAISSANCERE ORD

GE AEROSPACE ORD

AMAZON COM ORD

SEL SCTR:COMS SS SPDR

SEL SECTOR:HC SS SPDR

WALMART ORD

INTEL ORD

SRB CORP - Stock Holdings in 13F Filings (SEC)

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Name of Issuer	No. of Shares	Value ($)	Class
MICROSOFT ORD	692923	335111422	COM
SAFETY INSURANCE GROUP ORD	1842284	143532346	COM
SEL SECTOR:TECH SPDR	853424	122867453	STATE STREET TEC
RENAISSANCERE ORD	420089	118112223	COM
GE AEROSPACE ORD	369895	113938757	COM NEW
AMAZON COM ORD	460450	106281069	COM
SEL SCTR:COMS SS SPDR	800774	94267115	STATE STREET COM
SEL SECTOR:HC SS SPDR	556818	86195426	STATE STREET HEA
WALMART ORD	727050	81007911	COM
INTEL ORD	2185098	80630117	COM
SEL SECTOR:MAT SS SPDR	1729580	78436453	STATE STREET MAT
ALPHABET CL A ORD	234211	73308043	CAP STK CL A
WW GRAINGER ORD	68199	68816201	COM
TOYOTA MOTOR ADR REP 10 ORD	298092	63809574	ADS
MERCK & CO ORD	473365	49826400	COM
CVS HEALTH ORD	526855	41811213	COM
PROCTER & GAMBLE ORD	265635	38068152	COM
SHERWIN WILLIAMS ORD	112070	36314042	COM
COMCAST CL A ORD	1096685	32779914	CL A
RELIANCE ORD	98231	28375989	COM
SEL SCTR:C D SS SPDR IN	154540	18453622	STATE STREET CON
SEL SECTOR:IND SS SPDR	33621	5215290	STATE STREET IND
SEL SECTOR:C SSS SPDR I	59584	4628485	STATE STREET CON