SRB Corp
13F Reported Value
ⓘ$1.6B
Holdings
23
Latest Filing
2026-03-31
Filing Quarter
Q1 2026
Portfolio Overview
SRB Corp disclosed 23 positions worth $1.6B in its Form 13F-HR for Q1 2026, led by $MSFT (MICROSOFT CORP) at 13.1% of the equity portfolio, followed by $SAFT and $RNR. The portfolio is most concentrated in Technology (28.2% of disclosed assets). All figures are sourced directly from SRB Corp’s Form 13F-HR filing with the SEC under CIK 1496228.
AI Fund Analysis
DiversifyingSector Allocation
AUM History
Top Equity Holdings by Value
Quarterly Activity — Q1 2026
Click any card to unlockTop Holdings
- 83.7#15
Quality
$213.1M575,549 sh - 61.9#778
Quality
$130.4M1,794,655 sh - —
Quality
$115.5M388,478 sh SELECT SECTOR SPDR TR
—Quality
$113.4M853,424 sh- 41.5
Quality
$94.7M2,146,415 sh - 74.6
Quality
$93.8M450,434 sh SELECT SECTOR SPDR TR
—Quality
$88.8M800,774 shSELECT SECTOR SPDR TR
—Quality
$86.4M1,729,580 sh- 74.8
Quality
$85.4M300,911 sh SELECT SECTOR SPDR TR
—Quality
$81.6M556,818 sh
| Company | Quality | Value | Shares |
|---|---|---|---|
 MICROSOFT CORP$MSFT | 83.7#15 | $213.1M | 575,549 |
 SAFETY INSURANCE GROUP INC$SAFT | 61.9#778 | $130.4M | 1,794,655 |
 RENAISSANCERE HOLDINGS LTD$RNR | — | $115.5M | 388,478 |
| SELECT SECTOR SPDR TR | — | $113.4M | 853,424 |
 INTEL CORP$INTC | 41.5 | $94.7M | 2,146,415 |
 AMAZON COM INC$AMZN | 74.6 | $93.8M | 450,434 |
| SELECT SECTOR SPDR TR | — | $88.8M | 800,774 |
| SELECT SECTOR SPDR TR | — | $86.4M | 1,729,580 |
 GENERAL ELECTRIC CO$GE | 74.8 | $85.4M | 300,911 |
| SELECT SECTOR SPDR TR | — | $81.6M | 556,818 |
Unlock AI quality scores for every holding
32-signal composite ranking on each of SRB Corp's 23 positions.
Showing top 10 of 23 holdings.
Sector Allocation
Technology
$459.3M
Other
$397.4M
Consumer Discretionary
$308.3M
Financials
$245.8M
Healthcare
$92.1M
Industrials
$60.1M
Consumer Staples
$33.6M
Communication Services
$31.5M
Full Holdings — SRB Corp (Q1 2026)
All 23 disclosed positions from the latest Form 13F-HR, with quarter-over-quarter share changes and 13F Pro quality scores. Sourced from SEC EDGAR.
| # | Ticker | Company | Value | Weight | QoQ | Quality |
|---|---|---|---|---|---|---|
| 1 | $MSFT | MICROSOFT CORP | $213.1M | 13.1% | -17% | 83.7 |
| 2 | $SAFT | SAFETY INSURANCE GROUP INC | $130.4M | 8.0% | -3% | 61.9 |
| 3 | $RNR | RENAISSANCERE HOLDINGS LTD | $115.5M | 7.1% | -8% | — |
| 4 | — | SELECT SECTOR SPDR TR | $113.4M | 7.0% | +0% | — |
| 5 | $INTC | INTEL CORP | $94.7M | 5.8% | -2% | 41.5 |
| 6 | $AMZN | AMAZON COM INC | $93.8M | 5.8% | -2% | 74.6 |
| 7 | — | SELECT SECTOR SPDR TR | $88.8M | 5.5% | +0% | — |
| 8 | — | SELECT SECTOR SPDR TR | $86.4M | 5.3% | +0% | — |
| 9 | $GE | GENERAL ELECTRIC CO | $85.4M | 5.2% | -19% | 74.8 |
| 10 | — | SELECT SECTOR SPDR TR | $81.6M | 5.0% | +0% | — |
| 11 |  $WMT | Walmart Inc. | $77.1M | 4.7% | -15% | 63.2 |
| 12 |  $GWW | W.W. GRAINGER, INC. | $72.9M | 4.5% | -2% | 69.5 |
| 13 |  $GOOG | Alphabet Inc. | $66.1M | 4.1% | -2% | 80.2 |
| 14 |  $TM | TOYOTA MOTOR CORP/ | $60.1M | 3.7% | -2% | — |
| 15 |  $MRK | Merck & Co., Inc. | $55.7M | 3.4% | -2% | 70.9 |
| 16 |  $CVS | CVS HEALTH Corp | $36.3M | 2.2% | -4% | 51.3 |
| 17 |  $SHW | SHERWIN WILLIAMS CO | $35.3M | 2.2% | -2% | 65.3 |
| 18 |  $PG | PROCTER & GAMBLE Co | $33.6M | 2.1% | -12% | 72.9 |
| 19 |  $CCZ | COMCAST CORP | $31.5M | 1.9% | +0% | 70.4 |
| 20 |  $RS | RELIANCE, INC. | $29.2M | 1.8% | -2% | 55.4 |
| 21 | — | SELECT SECTOR SPDR TR | $16.8M | 1.0% | +0% | — |
| 22 | — | SELECT SECTOR SPDR TR | $5.4M | 0.3% | +0% | — |
| 23 | — | SELECT SECTOR SPDR TR | $4.9M | 0.3% | +0% | — |
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