SRB Corp.
In its 13F for Q3 2024 (holdings as of September 30, 2024, filed November 14, 2024), SRB Corp. reported 18 stock positions worth $1.8 billion. Its top holding was Microsoft (MSFT) at 18.1% of the portfolio, followed by Safety Insurance (SAFT, 8.4%) and Merck (MRK, 8.3%). Compared with Q2 2024, it sold out of 1, added to 8 and reduced 2. The biggest buy was Sherwin-Williams (SHW, shares +15%) and the biggest sale Merck (MRK, shares −2%).
- Most Recent 13F
- Q2 2026
- Location
- BOSTON, MA
- CIK
- 0001496228
- Portfolio Value
- $1.8B (Q3 2024)
- SEC Filing
- 0000904454-24-000609 ↗ filed Nov 14, 2024
Holdings Value
Holdings 18 stocks · $1.8B
| MSFT Microsoft Corp. | 18.06% | 748,727 | $322.2M | No change |
| SAFT Safety Insurance Group Inc. | 8.45% | 1,842,284 | $150.7M | No change |
| MRK Merck & Co. Inc. | 8.26% | 1,297,433 | $147.3M | Reduce -2.3% |
| RNR Renaissancere Holdings Ltd. | 6.78% | 443,851 | $120.9M | Reduce -1.6% |
| INTC Intel Corp. | 5.78% | 4,398,974 | $103.2M | Add +29.3% |
| SHW The Sherwin-Williams Co. | 5.42% | 253,460 | $96.7M | Add +15.2% |
| AMZN Amazon.com Inc. | 5.12% | 490,272 | $91.4M | Add +13.0% |
| CMCSA Comcast Corp. Class A | 4.71% | 2,009,847 | $84.0M | Add +17.2% |
| VGT Vanguard Info Tech ETF | 4.39% | 133,650 | $78.4M | Add +4.8% |
| GWW WW Grainger Inc. filed as GRAINGER W W INC | 4.19% | 72,018 | $74.8M | Add +12.8% |
| GE General Electric filed as GE AEROSPACE | 4.19% | 396,579 | $74.8M | No change |
| CVS CVS Health Corp. | 3.99% | 1,131,646 | $71.2M | No change |
| GOOGL Alphabet Inc. Class A | 3.98% | 428,093 | $71.0M | No change |
| TM Toyota Motor Corp. -Spon ADR | 3.91% | 390,948 | $69.8M | Add +24.9% |
| RS Reliance Inc. | 3.81% | 235,075 | $68.0M | Add +2.7% |
| WMT Walmart Inc. | 3.47% | 767,502 | $62.0M | No change |
| BRK.B Berkshire Hathaway Inc. Class B | 2.76% | 106,799 | $49.2M | No change |
| PG The Procter & Gamble Co. | 2.73% | 280,762 | $48.6M | No change |
Portfolio Sells Q2 2024 → Q3 2024
Portfolio Buys Q2 2024 → Q3 2024
| SHW The Sherwin-Williams Co. | Add +15.2% | 5.42% | +1.53 |
| GWW WW Grainger Inc. | Add +12.8% | 4.19% | +0.78 |
| CMCSA Comcast Corp. Class A | Add +17.2% | 4.71% | +0.73 |
| AMZN Amazon.com Inc. | Add +13.0% | 5.12% | +0.15 |
| TM Toyota Motor Corp. -Spon ADR | Add +24.9% | 3.91% | +0.11 |
| VGT Vanguard Info Tech ETF | Add +4.8% | 4.39% | +0.03 |
| RS Reliance Inc. | Add +2.7% | 3.81% | −0.06 |
| INTC Intel Corp. | Add +29.3% | 5.78% | −0.46 |
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 23 | $1.9B | XLK, MSFT, INTC, SAFT, RNR |
| Q1 2026 | 23 | $1.6B | MSFT, SAFT, RNR, XLK, INTC |
| Q4 2025 | 23 | $1.8B | MSFT, SAFT, XLK, RNR, GE |
| Q3 2025 | 23 | $1.7B | MSFT, SAFT, XLK, GE, RNR |
| Q2 2025 | 23 | $1.7B | MSFT, SAFT, AMZN, RNR, GE |
| Q1 2025 | 23 | $1.5B | MSFT, SAFT, MRK, XLK, RNR |
| Q4 2024 | 23 | $1.7B | MSFT, VGT, SAFT, MRK, RNR |
| Q3 2024 | 18 | $1.8B | MSFT, SAFT, MRK, RNR, INTC |
| Q2 2024 | 19 | $1.7B | MSFT, MRK, SAFT, INTC, RNR |
| Q1 2024 | 75 | $1.8B | MSFT, MRK, SAFT, INTC, RNR |