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| Keyboard |
| SRB Corporation
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|---|---|
| CRD # | 161163 |
| SEC # | 801-73734 |
| CIK # | 0001496228 |
| AUM | 4,821.1 M (2026-03-30) |
| Employees | 4 (50% Investors, 0% Brokers) |
| Fees | |
| Minimum | |
| Phone | 857-205-1697 |
| Address | 695 Atlantic Avenue Boston, MA 02111-2623 |
| Source | [IAPD] [EDGAR] |
| Total AUM ($B) |
|---|
| Fees and Compensation — Form ADV Part 2A (3/30/2026) [Brochure] |
|---|
Item 5 – Fees and Compensation
A. SRB’s Fee Schedule is as follows:
If the client’s portfolio is invested only in fixed-income securities, the annual fee will be 0.35%,
calculated and paid quarterly in arrears, on the basis of the total value of the client’s portfolio as of
the last business day of the immediately preceding calendar quarter.
If no more than 25% of the client’s portfolio is invested in equities and/or real estate, the annual
fee will be 0.50%, calculated and paid quarterly in arrears, on the basis of the total value of the
client’s portfolio as of the last business day of the immediately preceding calendar quarter.
If more than 25% of the client’s portfolio is invested in equities and/or real estate, the annual fee
will be 0.65%, calculated and paid quarterly in arrears, on the basis of the total value of the client’s
portfolio as of the last business day of the immediately preceding calendar quarter.
B. Fee Payment Method – SRB invoices its clients each quarter for payment of its fees; SRB does not
deduct its fees from client portfolios.
C. Other Fees and Expenses
Custody – the fee of the custodian of client assets managed by SRB is included in SRB’s fee; there
is no additional cost to the client for custodial services.
Fixed Income Manager – the fee of a registered investment adviser that manages portfolios of fixed-
income securities is included in SRB’s fee; there is no additional cost to the client for this service.
Investment Accounting Systems – half of the cost of investment accounting systems is included in
SRB’s fee; the other half is an additional cost paid directly by the client. SRB’s staff includes
accountants who provide investment accounting services; the cost of such services is included in
SRB’s fee.
Marketable Equity and Fixed Income Securities Trading – transaction costs for trading securities,
such as brokerage commissions, are deducted directly from the client’s portfolio. Please refer to |
| Account Minimums and Types of Clients — Form ADV Part 2A (3/30/2026) [Brochure] |
|---|
Item 7 – Types of Clients SRB’s clients are property/casualty insurance companies and companies related to them. SRB’s clients do not include individuals, trusts, investment companies, or pension plans. |
| Sector | Form 13F Holdings | Value ($M) | |
|---|---|---|---|
| Microsoft Corp | 213.1 | ||
| Safety Insurance Group Inc | 130.4 | ||
| Renaissancere Holdings Ltd | 115.5 | ||
| Intel Corp | 94.7 | ||
| Amazon Com Inc | 93.8 | ||
| General Electric Co | 85.4 | ||
| Wal Mart Stores Inc | 77.1 | ||
| Grainger W W Inc | 72.9 | ||
| Alphabet Inc | 66.1 | ||
| Toyota Motor Corp/ | 60.1 | ||
| View All | |||
| Holdings by Sector ($M) |
|---|
| AUM Breakdown | Accounts | AUM ($B) |
|---|---|---|
| By Client Type | ||
| (a) Individuals (other than high net worth individuals) | 0 | 0.0 |
| (b) Individuals (high net worth individuals) | 0 | 0.0 |
| (c) Banking or thrift institutions | 0 | 0.0 |
| (d) Investment companies | 0 | 0.0 |
| (e) Business development companies | 0 | 0.0 |
| (f) Pooled investment vehicles | 0 | 0.0 |
| (g) Pension and profit sharing plans | 0 | 0.0 |
| (h) Charitable organizations | 0 | 0.0 |
| (i) State or municipal government entities | 0 | 0.0 |
| (j) Other investment advisers | 0 | 0.0 |
| (k) Insurance companies | 20 | 4.6 |
| (l) Sovereign wealth funds and foreign official institutions | 0 | 0.0 |
| (m) Corporations or other businesses not listed above | 0 | 0.2 |
| (n) Other | 0 | 0.0 |
| Total | 22 | 4.8 |
| By Discretionary | ||
| Discretionary | 22 | 4.8 |
| Non-Discretionary | 0 | 0.0 |
| Total | 22 | 4.8 |
| By Non-United States Persons | ||
| Non-United States Persons | 0.0 | |
| United States Persons | 4.8 | |
| Total | 22 | 4.8 |
| EDGAR Form | CIK | 2011 - 2026 |
|---|---|---|
| 13F-HR | [0001496228] | |
| 3 | [0001496228] | |
| 4 | [0001496228] |
| Firm Profile (Form ADV) | |
|---|---|
| Discretionary AUM | $2.3B |
| Clients | 22 |
| Form 3/4/5 Subject | 2011 - 2026 |
|---|---|
| Plymouth Rock Co Inc | |
| SRB Corp | |
| Safety Insurance Group Inc | |
| Palisades Safety & Insurance Association |
| Insider Transaction (Form 3/4/5) | Date | Action | Shares | Price | Value ($) |
|---|---|---|---|---|---|
|
Safety Insurance Group Inc SAFT
Common Stock
|
2026-03-20 | Sell | 14,151 | $71.12 | 1,006,419 |
|
Safety Insurance Group Inc SAFT
Common Stock
|
2026-03-17 | Sell | 1,199 | $73.06 | 87,599 |
|
Safety Insurance Group Inc SAFT
Common Stock
|
2026-03-02 | Sell | 11,270 | $76.49 | 862,042 |
|
Safety Insurance Group Inc SAFT
Common Stock
|
2026-02-27 | Sell | 235 | $77.82 | 18,288 |
|
Safety Insurance Group Inc SAFT
Common Stock
|
2026-02-26 | Sell | 5,280 | $78.91 | 416,645 |
|
Safety Insurance Group Inc SAFT
Common Stock
|
2026-02-26 | Sell | 6,207 | $77.89 | 483,463 |
|
Safety Insurance Group Inc SAFT
Common Stock
|
2026-02-25 | Sell | 2,147 | $78.29 | 168,089 |
|
Safety Insurance Group Inc SAFT
Common Stock
|
2026-02-24 | Sell | 3,231 | $77.14 | 249,239 |
|
Safety Insurance Group Inc SAFT
Common Stock
|
2026-02-23 | Sell | 4,089 | $77.48 | 316,816 |
|
Safety Insurance Group Inc SAFT
Common Stock
|
2023-07-19 | Buy | 32,384 | $67.24 | 2,177,500 |
|
Safety Insurance Group Inc SAFT
Common Stock
|
2023-06-14 | Buy | 14,338 | $73.79 | 1,058,001 |
|
Safety Insurance Group Inc SAFT
Common Stock
|
2023-06-06 | Buy | 9,820 | $73.86 | 725,305 |
|
Safety Insurance Group Inc SAFT
Common Stock
|
2023-06-05 | Buy | 25,400 | $73.72 | 1,872,488 |
|
Safety Insurance Group Inc SAFT
Common Stock
|
2023-06-02 | Buy | 1,397 | $73.98 | 103,350 |
|
Safety Insurance Group Inc SAFT
Common Stock
|
2023-06-01 | Buy | 6,800 | $72.78 | 494,904 |
|
Safety Insurance Group Inc SAFT
Common Stock
|
2023-05-31 | Buy | 11,201 | $73.03 | 818,009 |
|
Safety Insurance Group Inc SAFT
Common Stock
|
2023-05-31 | Buy | 19,594 | $73.86 | 1,447,213 |
|
Safety Insurance Group Inc SAFT
Common Stock
|
2023-05-30 | Buy | 716 | $72.00 | 51,552 |
|
Safety Insurance Group Inc SAFT
Common Stock
|
2023-05-30 | Buy | 5,419 | $73.23 | 396,833 |
|
Safety Insurance Group Inc SAFT
Common Stock
|
2023-05-26 | Buy | 1,348 | $71.87 | 96,881 |
| showing 20 of 33 most recent transactions | |||||
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|
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