13F Insight
DOSSIER · 13F-HR · Q1 2026

SRB CORP

$1.6B in tracked AUM across 44 positions as of Q1 2026.

SC
CIK 0001496228 · last filed Mar 31, 2026
Total AUM
$1.6B
as of Q1 2026
Holdings
44
—
positions
Whale Score
64
64
tracked
Activity
—
no data
changes this Q
AI Analysis · Q1 2026

SRB CORP filed its latest 13F-HR for Q1 2026. See the latest holdings and position changes below.

Quarter at a glance — Q1 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q1 2026.

#HoldingValueSharesWeight
01
MSFT
MICROSOFT CORP
$213M576K13.1%02
SAFT
SAFETY INS GROUP INC
$130M1.8M8.0%03
G7496G103
RENAISSANCERE HLDGS LTD
$115M388K7.1%04
XLK
SELECT SECTOR SPDR TR
$113M853K7.0%05
INTC
INTEL CORP
$95M2.1M5.8%06
AMZN
AMAZON COM INC
$94M450K5.8%07
XLC
SELECT SECTOR SPDR TR
$89M801K5.5%08
XLB
SELECT SECTOR SPDR TR
$86M1.7M5.3%09
GE
GE AEROSPACE
$85M301K5.2%10
XLV
SELECT SECTOR SPDR TR
$82M557K5.0%

Filing history

2026Q1Mar 31
$1.6B▼ 10.6%
44 positionsView →2025Q4Dec 31
$1.8B▲ 4.4%
44 positionsView →2025Q3Sep 30
$1.7B▲ 4.7%
44 positionsView →2025Q2Jun 30
$1.7B▲ 8.7%
44 positionsLocked2025Q1Mar 31
$1.5B▼ 12.1%
43 positionsLocked2024Q4Dec 31
$1.7B▼ 2.3%
40 positionsLocked2024Q3Sep 30
$1.8B▲ 5.7%
36 positionsLocked2024Q2Jun 30
$1.7B▼ 6.6%
38 positionsLocked2024Q1Mar 31
$1.8B▲ 6.7%
149 positionsLocked2023Q4Dec 31
$1.7B▲ 2.5%
179 positionsLocked2023Q3Sep 30
$1.7B▼ 3.1%
188 positionsLocked2023Q2Jun 30
$1.7B▲ 7.2%
192 positionsLocked
Showing 12 of 51