State Street(R) SPDR(R) Portfolio S&P 400(TM) Mid Cap ETF is a ETF series of SPDR SERIES TRUST (series S000006986). Net assets $15.6B as of 2026-03-31. Index fund.
Showing 15 of 200 holdings by value.
| Holding | Ticker | Value | % of fund |
|---|---|---|---|
| State Street Global Advisors | — | $370.1M | 236.84% |
| TechnipFMC PLC | — | $136.6M | 87.43% |
| Casey's General Stores Inc | — | $131.8M | 84.36% |
| United Therapeutics Corp | — | $124.7M | 79.82% |
| Curtiss-Wright Corp | — | $122.7M | 78.52% |
| Flex Ltd | — | $117.6M | 75.25% |
| XPO Inc | — | $111.3M | 71.26% |
| Woodward Inc | — | $104.3M | 66.71% |
| Royal Gold Inc | — | $100.7M | 64.46% |
| US Foods Holding Corp | — | $99.4M | 63.58% |
| Burlington Stores Inc | — | $98.8M | 63.25% |
| ATI Inc | — | $96.6M | 61.79% |
| MasTec Inc | — | $96.4M | 61.70% |
| Carpenter Technology Corp | — | $95.9M | 61.38% |
| nVent Electric PLC | — | $93.2M | 59.67% |
| Report date | Net assets |
|---|---|
| 2026-03-31 | $15.6B |
| 2025-12-31 | $15.0B |
| 2025-09-30 | $14.4B |
| 2025-06-30 | $13.2B |
| 2025-03-31 | $12.1B |
| 2024-12-31 | $12.1B |
| 2024-09-30 | $11.3B |
| 2024-06-30 | $10.1B |