SRB Corp.
In its 13F for Q4 2024 (holdings as of December 31, 2024, filed February 14, 2025), SRB Corp. reported 23 stock positions worth $1.7 billion. Its top holding was Microsoft (MSFT) at 18.1% of the portfolio, followed by Vanguard Info Tech ETF (VGT, 9.7%) and Safety Insurance (SAFT, 8.7%). Compared with Q3 2024, it opened 6 new positions, sold out of 1 and added to 2. The biggest buy was Vanguard Info Tech ETF (VGT, shares +104%) and the biggest sale an exit from Intel (INTC).
- Most Recent 13F
- Q2 2026
- Location
- BOSTON, MA
- CIK
- 0001496228
- Portfolio Value
- $1.7B (Q4 2024)
- SEC Filing
- 0000904454-25-000128 ↗ filed Feb 14, 2025
Holdings Value
Holdings 23 stocks · $1.7B
| MSFT Microsoft Corp. | 18.10% | 748,727 | $315.6M | No change |
| VGT Vanguard Info Tech ETF | 9.73% | 272,826 | $169.6M | Add +104.1% |
| SAFT Safety Insurance Group Inc. | 8.71% | 1,842,284 | $151.8M | No change |
| MRK Merck & Co. Inc. | 7.40% | 1,297,433 | $129.1M | No change |
| RNR Renaissancere Holdings Ltd. | 6.33% | 443,851 | $110.4M | No change |
| AMZN Amazon.com Inc. | 6.17% | 490,272 | $107.6M | No change |
| SHW The Sherwin-Williams Co. | 4.94% | 253,460 | $86.2M | No change |
| GOOGL Alphabet Inc. Class A | 4.65% | 428,093 | $81.0M | No change |
| TM Toyota Motor Corp. -Spon ADR | 4.45% | 398,656 | $77.6M | Add +2.0% |
| GWW WW Grainger Inc. filed as GRAINGER W W INC | 4.35% | 72,018 | $75.9M | No change |
| CMCSA Comcast Corp. Class A | 4.33% | 2,009,847 | $75.4M | No change |
| WMT Walmart Inc. | 3.98% | 767,502 | $69.3M | No change |
| GE General Electric filed as GE AEROSPACE | 3.79% | 396,579 | $66.1M | No change |
| RS Reliance Inc. | 3.63% | 235,075 | $63.3M | No change |
| CVS CVS Health Corp. | 2.91% | 1,131,646 | $50.8M | No change |
| BRK.B Berkshire Hathaway Inc. Class B | 2.78% | 106,799 | $48.4M | No change |
| PG The Procter & Gamble Co. | 2.70% | 280,762 | $47.1M | No change |
| XLY SS Consumer Disc Select Sect | 0.23% | 17,692 | $4.0M | New |
| XLC SS Comm Select Sector SPDR | 0.19% | 34,940 | $3.4M | New |
| XLV SS Health Care Select Sector | 0.19% | 24,429 | $3.4M | New |
| XLB SS Materials Select Sector | 0.17% | 35,489 | $3.0M | New |
| XLI SS Industrial Select Sector | 0.16% | 20,584 | $2.7M | New |
| XLP SS Consumer Staples Sel Sect | 0.12% | 26,265 | $2.1M | New |
Portfolio Sells Q3 2024 → Q4 2024
| INTC Intel Corp. | Sold out | 0.00% | −5.78 |
Portfolio Buys Q3 2024 → Q4 2024
| VGT Vanguard Info Tech ETF | Add +104.1% | 9.73% | +5.33 |
| TM Toyota Motor Corp. -Spon ADR | Add +2.0% | 4.45% | +0.54 |
| XLY SS Consumer Disc Select Sect | New | 0.23% | +0.23 |
| XLC SS Comm Select Sector SPDR | New | 0.19% | +0.19 |
| XLV SS Health Care Select Sector | New | 0.19% | +0.19 |
| XLB SS Materials Select Sector | New | 0.17% | +0.17 |
| XLI SS Industrial Select Sector | New | 0.16% | +0.16 |
| XLP SS Consumer Staples Sel Sect | New | 0.12% | +0.12 |
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 |