13F Filings History of SRB CORP

13F snapshot Latest parsed holdings, value, and filing-period context. 1 signal
Form 13F summary
  • SRB CORP Form 13F history summarizes parsed U.S.-listed equity disclosures for this manager.
  • Form 13F is generally due within 45 days after each calendar quarter ends.
  • SRB CORP reported 23 equity holdings with a total reported market value of $1,859,294,349 for Q2 2026. Top reported holdings included XLK, MSFT, INTC, SAFT, and RNR.
Manager Names, identifiers, and filing context for this profile. 2 identity fields
Manager signature
Frederick C. Childs - Vice President
Manager location
Boston, MA

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Holdings Value

Form 13F evidence

Quarterly portfolio filings

SEC-reported 13F quarters for this filer, ordered by the latest accepted filing.

Latest quarter
Q2 2026
Latest value
$1,859,294,349
Quarter delta
+$231,090,786
Accepted
14 Aug 2026, 13:13
Rows shown
1-25 of 51
Quarter Holdings SEC-reported value Bought Sold Net Top Holdings Form Type Accepted by SEC
Q2 2026 23 $1,859,294,349 +$153,070,994 -$278,677,124 -$125,606,130 XLK, MSFT, INTC, SAFT, RNR 13F-HR 14 Aug 2026, 13:13
Q1 2026 23 $1,628,203,563 $0 -$105,639,525 -$105,639,525 MSFT, SAFT, RNR, XLK, INTC 13F-HR 14 May 2026, 16:40
Q4 2025 23 $1,821,787,217 +$116,310,855 $0 +$116,310,855 MSFT, SAFT, XLK, RNR, GE 13F-HR 13 Feb 2026, 15:28
Q3 2025 23 $1,744,680,818 +$21,545,097 -$27,093,663 -$5,548,566 MSFT, SAFT, XLK, GE, RNR 13F-HR 14 Nov 2025, 10:05
Q2 2025 23 $1,666,796,524 +$88,328,890 -$112,474,736 -$24,145,846 MSFT, SAFT, AMZN, RNR, GE 13F-HR 14 Aug 2025, 10:26
Q1 2025 23 $1,533,166,485 +$301,699,902 -$457,090,409 -$155,390,507 MSFT, SAFT, MRK, XLK, RNR 13F-HR 13 May 2025, 19:38
Q4 2024 23 $1,743,759,075 +$106,515,014 -$103,199,930 +$3,315,084 MSFT, VGT, SAFT, MRK, RNR 13F-HR 14 Feb 2025, 08:45
Q3 2024 18 $1,784,024,523 +$86,765,288 -$22,355,020 +$64,410,268 MSFT, SAFT, MRK, RNR, INTC 13F-HR 14 Nov 2024, 14:58
Q2 2024 19 $1,687,273,330 +$203,953,025 -$228,803,492 -$24,850,467 MSFT, MRK, SAFT, INTC, RNR 13F-HR 14 Aug 2024, 13:53
Q1 2024 75 $1,805,800,012 +$46,322,158 -$102,701,702 -$56,379,544 MSFT, MRK, SAFT, INTC, RNR 13F-HR 14 May 2024, 12:26
Q4 2023 90 $1,692,787,596 +$515,915,308 -$683,899,816 -$167,984,508 MSFT, MRK, SAFT, INTC, CVS 13F-HR 14 Feb 2024, 11:41
Q3 2023 95 $1,651,115,664 +$12,156,498 -$12,430,966 -$274,468 MSFT, MRK, CVS, PG, SAFT 13F-HR 14 Nov 2023, 09:55
Q2 2023 97 $1,703,908,894 +$47,368,586 -$10,890,761 +$36,477,825 MSFT, MRK, CVS, PG, SAFT 13F-HR 14 Aug 2023, 11:39
Q1 2023 113 $1,588,745,105 +$12,883,391 -$35,337,027 -$22,453,636 MSFT, MRK, CVS, PG, SAFT 13F-HR 15 May 2023, 11:38
Q4 2022 94 $1,576,417,000 +$20,218,907 -$9,912,669 +$10,306,238 MSFT, MRK, CVS, PG, SAFT 13F-HR 14 Feb 2023, 12:36
Q3 2022 98 $1,433,589,000 +$108,221,185 -$61,321,351 +$46,899,834 MSFT, CVS, MRK, SAFT, PG 13F-HR 14 Nov 2022, 09:59
Q2 2022 64 $1,543,109,000 +$16,643,327 -$82,202,740 -$65,559,413 MSFT, CVS, MRK, SAFT, PG 13F-HR 12 Aug 2022, 12:18
Q1 2022 117 $1,798,330,000 +$138,719,022 -$179,989,952 -$41,270,930 MSFT, CVS, SAFT, MRK, PG 13F-HR 13 May 2022, 09:12
Q4 2021 118 $1,916,135,000 +$238,358,911 -$132,755,124 +$105,603,787 MSFT, CVS, PG, SAFT, MRK 13F-HR 14 Feb 2022, 10:20
Q3 2021 96 $1,662,105,000 +$252,582,229 -$168,397,113 +$84,185,116 MSFT, CVS, RDSB, MRK, SAFT 13F-HR 12 Nov 2021, 09:47
Q2 2021 81 $1,541,751,000 +$231,460,166 -$196,061,743 +$35,398,423 MSFT, CVS, MRK, RDSB, SAFT 13F-HR 13 Aug 2021, 10:22
Q1 2021 90 $1,464,550,000 +$173,851,651 -$166,833,323 +$7,018,328 MSFT, CVS, INTC, VOO, MRK 13F-HR 14 May 2021, 09:49
Q4 2020 158 $1,358,695,000 +$335,649,093 -$238,385,310 +$97,263,783 MSFT, INTC, VOO, MRK, CVS 13F-HR 12 Feb 2021, 09:49
Q3 2020 145 $1,195,248,000 +$38,561,700 -$24,295,953 +$14,265,747 MSFT, INTC, MRK, CVS, SAFT 13F-HR 13 Nov 2020, 09:51
Q2 2020 143 $1,222,623,000 +$33,533,036 -$16,580,383 +$16,952,653 MSFT, INTC, MRK, CVS, SAFT 13F-HR 14 Aug 2020, 10:01
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