SRB CORP
CIK 0001496228 · BOSTON, MA · Quarter end: 2026-06-30 · Filed on: 2026-08-14 · Open the SEC source ↗
Portfolio Value (AUM)Total value of the fund's US stock portfolio reported to the SEC.
$1.86B
2026 Q2
Positions
23
Top-10 ConcentrationHow much of the portfolio sits in the 10 largest holdings. High = concentrated bets.
70.3%
Est. Net Flow (Q)
—
2026 Q2
Top Holdings
XLK
SELECT SECTOR SPDR TR
12.3%
MSFT
MICROSOFT CORP
11.4%
INTC
INTEL CORP
8.0%
SAFT
SAFETY INS GROUP INC
7.2%
RNR
RENAISSANCERE HLDGS LTD
6.6%
AMZN
AMAZON COM INC
5.8%
GWW
WW GRAINGER INC
4.9%
XLV
SELECT SECTOR SPDR TR
4.8%
New / Increased
No prior quarter data
Reduced / Exited
No prior quarter data
Read the 2026-Q2 quarterly report · 13F Filing Calendar
13F data shows quarter-end positions, is delayed by up to 45 days and covers only long positions in US-listed securities; short positions, most derivatives and non-US assets are not reported.