SRB Corporation

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SRB Corporation
CRD #161163
SEC #801-73734
CIK #0001496228
AUM 4,821.1 M (2026-03-30)
Employees 4 (50% Investors, 0% Brokers)
Phone857-205-1697
Address695 Atlantic Avenue
Boston, MA 02111-2623
Source [IAPD] [EDGAR]
Total AUM ($B)
5.04.03.02.01.00.02010201520212027
Sector Form 13F Holdings Value ($M)
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View All
Holdings by Sector ($M)
20001600120080040002011201620212027
AUM Breakdown Accounts AUM ($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$2.3B
Clients22
Form 3/4/5 Subject 2011 - 2026
Plymouth Rock Co Inc
SRB Corp
Safety Insurance Group Inc
Palisades Safety & Insurance Association
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
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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