Terminal · Institutions

Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.

SRB CORP 13F Holdings -- Portfolio & Top Positions (2026-03-31)

SRB CORP (CIK 1496228) reported $1.63B across 23 reported positions in its SEC 13F filing for 2026-03-31. Largest positions: MSFT ($213.1M, 13.09%), SAFT ($130.4M, 8.01%), RNR ($115.5M, 7.09%), XLK ($113.4M, 6.97%), INTC ($94.7M, 5.82%). Source: SEC Form 13F.

RankTickerCompanyValue% PortfolioSharesAction
1MSFTMICROSOFT CORP$213.1M13.09%575,549Trimmed
2SAFTSAFETY INS GROUP INC$130.4M8.01%1.8MTrimmed
3RNRRENAISSANCERE HLDGS LTD$115.5M7.09%388,478Trimmed
4XLKSELECT SECTOR SPDR TR$113.4M6.97%853,424Hold
5INTCINTEL CORP$94.7M5.82%2.1MTrimmed
6AMZNAMAZON COM INC$93.8M5.76%450,434Trimmed
7XLCSELECT SECTOR SPDR TR$88.8M5.45%800,774Hold
8XLBSELECT SECTOR SPDR TR$86.4M5.31%1.7MHold
9GEGE AEROSPACE$85.4M5.24%300,911Trimmed
10XLVSELECT SECTOR SPDR TR$81.6M5.01%556,818Hold
11WMTWALMART INC$77.1M4.74%620,579Trimmed
12GWWWW GRAINGER INC$72.9M4.48%66,861Trimmed
13GOOGLALPHABET INC$66.1M4.06%229,991Trimmed
14TMTOYOTA MOTOR CORP$60.1M3.69%291,815Trimmed
15MRKMERCK & CO INC$55.7M3.42%463,298Trimmed
16CVSCVS HEALTH CORP$36.3M2.23%506,016Trimmed
17SHWSHERWIN WILLIAMS CO$35.3M2.17%110,041Trimmed
18PGPROCTER & GAMBLE CO$33.6M2.07%232,924Trimmed
19CMCSACOMCAST CORP NEW$31.5M1.93%1.1MHold
20RSRELIANCE INC$29.2M1.79%95,976Trimmed
21XLYSELECT SECTOR SPDR TR$16.8M1.03%154,540Hold
22XLISELECT SECTOR SPDR TR$5.4M0.33%33,621Hold
23XLPSELECT SECTOR SPDR TR$4.9M0.30%59,584Hold

Source: SEC Form 13F filings · as of 2026-03-31