Filed: 2/14/2025ACC: 0000904454-25-000128
📋 What this filing means
SRB CORP filed this quarterly 13F‑HR report disclosing 23 equity positions with a total reported market value of $1.74B. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
23
Positions
$1.74B
Total AUM (reported)
11.34M
Total Shares
Allocation by class
COM$1.21B69.2%
INF TECH ETF$169.64M9.7%
CAP STK CL A$81.04M4.6%
ADS$77.58M4.4%
CL A$75.43M4.3%
COM NEW$66.15M3.8%
CL B NEW$48.41M2.8%
Portfolio Concentration
Top 3$637.04M36.5%
4–10$667.75M38.3%
11–25$438.97M25.2%
Top 3 weight
36.5%
Top 10 weight
74.8%
Voting Authority Distribution
Total shares with voting rights: 11.34M
Sole
Full voting authority
11.34M
shares
% of voting shares100.0%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
0.00
shares
% of voting shares0.0%
Investment Discretion (by position count)
Sole0
Shared0
Other23
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings23
Rows:
MICROSOFT ORD
DFNDShares748.73K
TypeSH
Market value$315.59M
18.10%
Sole
748.73K
Shared
0.00
None
0.00
VANGUARD INFOTCH IDX ETF
DFNDShares272.83K
TypeSH
Market value$169.64M
9.73%
Sole
272.83K
Shared
0.00
None
0.00
SAFETY INSURANCE GROUP ORD
DFNDShares1.84M
TypeSH
Market value$151.80M
8.71%
Sole
1.84M
Shared
0.00
None
0.00
MERCK & CO ORD
DFNDShares1.30M
TypeSH
Market value$129.07M
7.40%
Sole
1.30M
Shared
0.00
None
0.00
RENAISSANCERE ORD
DFNDShares443.85K
TypeSH
Market value$110.43M
6.33%
Sole
443.85K
Shared
0.00
None
0.00
AMAZON COM ORD
DFNDShares490.27K
TypeSH
Market value$107.56M
6.17%
Sole
490.27K
Shared
0.00
None
0.00
SHERWIN WILLIAMS ORD
DFNDShares253.46K
TypeSH
Market value$86.16M
4.94%
Sole
253.46K
Shared
0.00
None
0.00
ALPHABET CL A ORD
DFNDShares428.09K
TypeSH
Market value$81.04M
4.65%
Sole
428.09K
Shared
0.00
None
0.00
TOYOTA MOTOR ADR REP 10 ORD
DFNDShares398.66K
TypeSH
Market value$77.58M
4.45%
Sole
398.66K
Shared
0.00
None
0.00
WW GRAINGER ORD
DFNDShares72.02K
TypeSH
Market value$75.91M
4.35%
Sole
72.02K
Shared
0.00
None
0.00
COMCAST CL A ORD
DFNDShares2.01M
TypeSH
Market value$75.43M
4.33%
Sole
2.01M
Shared
0.00
None
0.00
WALMART ORD
DFNDShares767.50K
TypeSH
Market value$69.34M
3.98%
Sole
767.50K
Shared
0.00
None
0.00
GE AEROSPACE ORD
DFNDShares396.58K
TypeSH
Market value$66.15M
3.79%
Sole
396.58K
Shared
0.00
None
0.00
RELIANCE ORD
DFNDShares235.07K
TypeSH
Market value$63.30M
3.63%
Sole
235.07K
Shared
0.00
None
0.00
CVS HEALTH ORD
DFNDShares1.13M
TypeSH
Market value$50.80M
2.91%
Sole
1.13M
Shared
0.00
None
0.00
BERKSHIRE HATHAWAY CL B ORD
DFNDShares106.80K
TypeSH
Market value$48.41M
2.78%
Sole
106.80K
Shared
0.00
None
0.00
PROCTER & GAMBLE ORD
DFNDShares280.76K
TypeSH
Market value$47.07M
2.70%
Sole
280.76K
Shared
0.00
None
0.00
SEL SECTOR:C DSC SPDR
DFNDShares17.69K
TypeSH
Market value$3.97M
0.23%
Sole
17.69K
Shared
0.00
None
0.00
SEL SECTOR:COMM SVC SPDR
DFNDShares34.94K
TypeSH
Market value$3.38M
0.19%
Sole
34.94K
Shared
0.00
None
0.00
SEL SECTOR:H CARE SPDR
DFNDShares24.43K
TypeSH
Market value$3.36M
0.19%
Sole
24.43K
Shared
0.00
None
0.00
SEL SECTOR:MATRLS SPDR
DFNDShares35.49K
TypeSH
Market value$2.99M
0.17%
Sole
35.49K
Shared
0.00
None
0.00
SEL SECTOR:INDUST SPDR
DFNDShares20.58K
TypeSH
Market value$2.71M
0.16%
Sole
20.58K
Shared
0.00
None
0.00
SEL SECTOR:C STP SPDR
DFNDShares26.27K
TypeSH
Market value$2.06M
0.12%
Sole
26.27K
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
MICROSOFT ORDDFND | COM | 748.73K | SH | $315.59M 18.10% | 748.73K | 0.00 | 0.00 |
VANGUARD INFOTCH IDX ETFDFND | INF TECH ETF | 272.83K | SH | $169.64M 9.73% | 272.83K | 0.00 | 0.00 |
SAFETY INSURANCE GROUP ORDDFND | COM | 1.84M | SH | $151.80M 8.71% | 1.84M | 0.00 | 0.00 |
MERCK & CO ORDDFND | COM | 1.30M | SH | $129.07M 7.40% | 1.30M | 0.00 | 0.00 |
RENAISSANCERE ORDDFND | COM | 443.85K | SH | $110.43M 6.33% | 443.85K | 0.00 | 0.00 |
AMAZON COM ORDDFND | COM | 490.27K | SH | $107.56M 6.17% | 490.27K | 0.00 | 0.00 |
SHERWIN WILLIAMS ORDDFND | COM | 253.46K | SH | $86.16M 4.94% | 253.46K | 0.00 | 0.00 |
ALPHABET CL A ORDDFND | CAP STK CL A | 428.09K | SH | $81.04M 4.65% | 428.09K | 0.00 | 0.00 |
TOYOTA MOTOR ADR REP 10 ORDDFND | ADS | 398.66K | SH | $77.58M 4.45% | 398.66K | 0.00 | 0.00 |
WW GRAINGER ORDDFND | COM | 72.02K | SH | $75.91M 4.35% | 72.02K | 0.00 | 0.00 |
COMCAST CL A ORDDFND | CL A | 2.01M | SH | $75.43M 4.33% | 2.01M | 0.00 | 0.00 |
WALMART ORDDFND | COM | 767.50K | SH | $69.34M 3.98% | 767.50K | 0.00 | 0.00 |
GE AEROSPACE ORDDFND | COM NEW | 396.58K | SH | $66.15M 3.79% | 396.58K | 0.00 | 0.00 |
RELIANCE ORDDFND | COM | 235.07K | SH | $63.30M 3.63% | 235.07K | 0.00 | 0.00 |
CVS HEALTH ORDDFND | COM | 1.13M | SH | $50.80M 2.91% | 1.13M | 0.00 | 0.00 |
BERKSHIRE HATHAWAY CL B ORDDFND | CL B NEW | 106.80K | SH | $48.41M 2.78% | 106.80K | 0.00 | 0.00 |
PROCTER & GAMBLE ORDDFND | COM | 280.76K | SH | $47.07M 2.70% | 280.76K | 0.00 | 0.00 |
SEL SECTOR:C DSC SPDRDFND | SBI CONS DISCR | 17.69K | SH | $3.97M 0.23% | 17.69K | 0.00 | 0.00 |
SEL SECTOR:COMM SVC SPDRDFND | COMMUNICATION | 34.94K | SH | $3.38M 0.19% | 34.94K | 0.00 | 0.00 |
SEL SECTOR:H CARE SPDRDFND | SBI HEALTHCARE | 24.43K | SH | $3.36M 0.19% | 24.43K | 0.00 | 0.00 |
SEL SECTOR:MATRLS SPDRDFND | SBI MATERIALS | 35.49K | SH | $2.99M 0.17% | 35.49K | 0.00 | 0.00 |
SEL SECTOR:INDUST SPDRDFND | INDL | 20.58K | SH | $2.71M 0.16% | 20.58K | 0.00 | 0.00 |
SEL SECTOR:C STP SPDRDFND | SBI CONS STPLS | 26.27K | SH | $2.06M 0.12% | 26.27K | 0.00 | 0.00 |