SC
Srb CORP
Quality / disciplined sizingLong-term holder
Total reported value
$1.6B
Reporting period: 2026-03-31 · Number of holdings: 44
SRB CORP disclosed 44 holdings in its latest 13F filing for the period ending 2026-03-31, with total reported value of $1.6B and a quarterly turnover rate of 15.1%.
Personality snowflake
- Concentration
- 24.73
- Portfolio Stability
- 15.09
- Momentum/Contrarian
- 50
- Sector conviction
- 47.38
- Diversification
- 46
- Sizing Uniformity
- 93.36
Recent moves
Trim MSFT
-16.9% -$122.1M
Add INTC
-1.8% $14.1M
Trim GE
-18.6% -$28.5M
Add XLB
0.0% $8.0M
Add GWW
-2.0% $4.1M
Add MRK
-2.1% $5.9M
Holdings Map
New buyAddUnchangedTrim
Top 10 holdings by weight
Full holdings list this quarter
Showing top 23 holdings (of 44 total)
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | MSFT | Microsoft CORP | Stock-Tech | 13.09% | -5.31% | -16.94% | |
| 2 | SAFT | Safety Insurance Group INC | Stock-Other | 8.01% | +0.13% | -2.59% | |
| 3 | RNR | RenaissanceRe Holdings Ltd. | Stock-Financials | 7.09% | +0.61% | -7.52% | |
| 4 | XLK | Ss Technology Select Sector | ETF-Tech | 6.97% | +0.23% | — | |
| 5 | INTC | Intel CORP | Stock-Tech | 5.82% | +1.39% | -1.77% | |
| 6 | AMZN | Amazon.com INC | Stock-Consumer Disc | 5.76% | -0.07% | -2.18% | |
| 7 | XLC | Ss Comm Select Sector Spdr | ETF-Other | 5.45% | +0.28% | — | |
| 8 | XLB | Ss Materials Select Sector | ETF-Other | 5.31% | +1.00% | — | |
| 9 | GE | General Electric | Stock-Industrials | 5.24% | -1.01% | -18.65% | |
| 10 | XLV | Ss Health Care Select Sector | ETF-Other | 5.01% | +0.28% | — | |
| 11 | WMT | Walmart INC | Stock-Consumer Staples | 4.74% | +0.29% | -14.64% | |
| 12 | GWW | Ww Grainger INC | Stock-Industrials | 4.48% | +0.70% | -1.96% | |
| 13 | GOOGL | Alphabet Inc-cl A | Stock-Comm Services | 4.06% | +0.04% | -1.80% | |
| 14 | TM | Toyota Motor CORP -spon Adr | Stock-Consumer Disc | 3.69% | +0.19% | -2.11% | |
| 15 | MRK | Merck & Co. INC. | Stock-Healthcare | 3.42% | +0.68% | -2.13% | |
| 16 | CVS | Cvs Health CORP | Stock-Healthcare | 2.23% | -0.07% | -3.96% | |
| 17 | SHW | Sherwin-williams Co/the | Stock-Materials | 2.17% | +0.18% | -1.81% | |
| 18 | PG | Procter & Gamble Co/the | Stock-Consumer Staples | 2.07% | -0.02% | -12.31% | |
| 19 | CMCSA | Comcast Corp-class A | Stock-Comm Services | 1.93% | +0.13% | — | |
| 20 | RS | Reliance INC | Stock-Materials | 1.79% | +0.23% | -2.30% | |
| 21 | XLY | Ss Consumer Disc Select Sect | ETF-Other | 1.03% | +0.02% | — | |
| 22 | XLI | Ss Industrial Select Sector | ETF-Other | 0.33% | +0.04% | — | |
| 23 | XLP | Ss Consumer Staples Sel Sect | ETF-Other | 0.30% | +0.05% | — |
Reported value over time
Sector allocation
Sector allocation over time
Quarterly history
| Period | Holdings | Total value | Stability | Top holdings |
|---|---|---|---|---|
| 2026-03-31 | 44 | $1.6B | 15 | |
| 2025-12-31 | 44 | $1.8B | 8 | |
| 2025-09-30 | 44 | $1.7B | 26 | |
| 2025-06-30 | 44 | $1.7B | 0 | |
| 2025-03-31 | 43 | $1.5B | 100 | |
| 2024-12-31 | 40 | $1.7B | 0 | |
| 2024-09-30 | 36 | $1.8B | 0 | |
| 2024-06-30 | 38 | $1.7B | 0 | |
| 2024-03-31 | 149 | $1.8B | 0 | |
| 2023-12-31 | 179 | $1.7B | 0 | |
| 2023-09-30 | 188 | $1.7B | 0 | |
| 2023-06-30 | 192 | $1.7B | 0 | |
| 2023-03-31 | 226 | $1.6B | 0 | |
| 2022-12-31 | 187 | $1.6B | 0 | |
| 2022-09-30 | 194 | $1.4B | 0 | |
| 2022-06-30 | 213 | $1.5B | 0 | |
| 2022-03-31 | 233 | $1.8B | 0 | |
| 2021-12-31 | 235 | $1.9B | 0 | |
| 2021-09-30 | 191 | $1.7B | 0 | |
| 2021-06-30 | 161 | $1.5B | 100 | |
| 2021-03-31 | 179 | $1.5B | 25 | |
| 2020-12-31 | 315 | $1.4B | 48 | |
| 2020-09-30 | 288 | $1.2B | 13 | |
| 2020-06-30 | 284 | $1.2B | 18 | |
| 2020-03-31 | 336 | $1.1B | 17 | |
| 2019-12-31 | 291 | $1.2B | 14 | |
| 2019-09-30 | 317 | $1.1B | 12 | |
| 2019-06-30 | 335 | $1.1B | 14 | |
| 2019-03-31 | 237 | $1.1B | 18 | |
| 2018-12-31 | 293 | $943.5M | 20 | |
| 2018-09-30 | 329 | $1.0B | 13 | |
| 2018-06-30 | 339 | $911.7M | 21 | |
| 2018-03-31 | 177 | $790.8M | 16 | |
| 2017-12-31 | 186 | $778.4M | 21 | |
| 2017-09-30 | 190 | $757.2M | 13 | |
| 2017-06-30 | 184 | $697.5M | 9 | |
| 2017-03-31 | 184 | $705.3M | 9 | |
| 2016-12-31 | 182 | $720.6M | 8 | |
| 2016-09-30 | 186 | $684.5M | 9 | |
| 2016-06-30 | 194 | $653.1M | 11 | |
| 2016-03-31 | 185 | $635.1M | 7 | |
| 2015-12-31 | 157 | $616.3M | 21 | |
| 2015-09-30 | 176 | $728.2M | 8 | |
| 2015-06-30 | 198 | $754.7M | 10 | |
| 2015-03-31 | 178 | $714.4M | 14 | |
| 2014-12-31 | 196 | $703.1M | 16 | |
| 2014-09-30 | 200 | $688.9M | 10 | |
| 2014-06-30 | 25 | $626.7M | 8 | |
| 2014-03-31 | 25 | $610.4M | 37 | |
| 2013-12-31 | 20 | $438.1M | 10 | |
| 2013-09-30 | 21 | $434.6M | 5 | |
| 2013-06-30 | 21 | $432.9M | — |
Holding changes this quarter
Srb CORP's most significant position changes for 2026-03-31: Trim: Microsoft CORP (MSFT) — shares -16.94%; Trim: Intel CORP (INTC) — shares -1.77%; Trim: General Electric (GE) — shares -18.65%; Trim: Ww Grainger INC (GWW) — shares -1.96%; Trim: Merck & Co. INC. (MRK) — shares -2.13%.
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | INTC | Intel CORP | +1.4% | -1.77% | Trim |
| 2 | XLB | Ss Materials Select Sector | +1% | — | Unchanged |
| 3 | GWW | Ww Grainger INC | +0.7% | -1.96% | Trim |
| 4 | MRK | Merck & Co. INC. | +0.7% | -2.13% | Trim |
| 5 | RNR | RenaissanceRe Holdings Ltd. | +0.6% | -7.52% | Trim |
| 6 | WMT | Walmart INC | +0.3% | -14.64% | Trim |
| 7 | XLC | Ss Comm Select Sector Spdr | +0.3% | — | Unchanged |
| 8 | XLV | Ss Health Care Select Sector | +0.3% | — | Unchanged |
| 9 | XLK | Ss Technology Select Sector | +0.2% | — | Unchanged |
| 10 | RS | Reliance INC | +0.2% | -2.30% | Trim |
| 11 | TM | Toyota Motor CORP -spon Adr | +0.2% | -2.11% | Trim |
| 12 | SHW | Sherwin-williams Co/the | +0.2% | -1.81% | Trim |
| 13 | SAFT | Safety Insurance Group INC | +0.1% | -2.59% | Trim |
| 14 | CMCSA | Comcast Corp-class A | +0.1% | — | Unchanged |
| 15 | XLP | Ss Consumer Staples Sel Sect | +0.1% | — | Unchanged |
| 16 | GOOGL | Alphabet Inc-cl A | 0% | -1.80% | Trim |
| 17 | XLI | Ss Industrial Select Sector | 0% | — | Unchanged |
| 18 | XLY | Ss Consumer Disc Select Sect | 0% | — | Unchanged |
| 19 | PG | Procter & Gamble Co/the | 0% | -12.31% | Trim |
| 20 | AMZN | Amazon.com INC | -0.1% | -2.18% | Trim |
| 21 | CVS | Cvs Health CORP | -0.1% | -3.96% | Trim |
| 22 | GE | General Electric | -1% | -18.65% | Trim |
| 23 | MSFT | Microsoft CORP | -5.3% | -16.94% | Trim |
FAQ
What is Srb CORP and what type of investor is it?
Srb CORP is a investment manager that files SEC Form 13F quarterly, disclosing its U.S. public equity holdings to regulators. As of the most recent reporting period (2026-03-31), the firm manages a tracked equity portfolio valued at approximately $1.6B, spread across 44 disclosed positions.
What are Srb CORP's largest equity positions?
Based on the latest 13F filing, Srb CORP's top holdings by market value are:
1. Microsoft CORP (MSFT) — $213.1M (13.1%)
2. Safety Insurance Group INC (SAFT) — $130.4M (8.0%)
3. RenaissanceRe Holdings Ltd. (RNR) — $115.5M (7.1%)
4. Ss Technology Select Sector (XLK) — $113.4M (7.0%)
5. Intel CORP (INTC) — $94.7M (5.8%)
What changes did Srb CORP make in its most recent portfolio filing?
In the latest quarter, Srb CORP took a more defensive posture — trimming 15 positions and completely exiting 0 holdings. The largest of these moves: Trim: Microsoft CORP (MSFT) — shares -16.94%; Trim: Intel CORP (INTC) — shares -1.77%; Trim: General Electric (GE) — shares -18.65%; Trim: Ww Grainger INC (GWW) — shares -1.96%; Trim: Merck & Co. INC. (MRK) — shares -2.13%
What sectors does Srb CORP focus on?
Srb CORP is concentrated in the following sectors based on its current disclosed equity portfolio:
• Information Technology: 28.0%
• Industrials: 14.4%
• Consumer Discretionary: 14.0%
• Financials: 10.5%
• Consumer Staples: 10.1%
• Communication Services: 8.9%