S&P Dow Jones Indices announced on July 2, 2026 that Midera Food Processing Inc. and Centrus Energy will join the S&P SmallCap 600, triggering the passive-rebalancing flows that accompany any benchmark reconstitution. The confirmed displacement: Redwood Trust Inc. exits the index to make room for Midera Food Processing, with the change taking effect before trading opens on Wednesday, July 8.
The Confirmed Swap: Midera Food Processing for Redwood Trust
Midera Food Processing Inc., trading on the Nasdaq under the ticker MFP, will replace Redwood Trust Inc. (NYSE: RWT) in the S&P SmallCap 600. The effective date is the open of trading on July 8, 2026 — giving passive funds tracking the index roughly four trading sessions from the announcement date to position accordingly. Funds benchmarked to the SmallCap 600 will be required buyers of MFP and forced sellers of RWT at the index close prior to that date.
Centrus Energy Also Joins the SmallCap 600
The headline announcement pairs Midera Food Processing with Centrus Energy as a simultaneous addition to the S&P SmallCap 600. The source announcement references the S&P MidCap 400 in connection with the broader set of changes, though full details of the Centrus Energy transaction were not available at publication.
What Index Inclusion Means for Passive Flows
Additions to the S&P SmallCap 600 generate mechanical demand from funds that track the index — a universe that includes exchange-traded funds and institutional separate accounts benchmarked to the small-cap tier of the S&P composite. The buy-side implication is straightforward: between the announcement date of July 2 and the effective open of July 8, index-aware traders have a narrow window to front-run forced rebalancing demand for incoming constituents. Redwood Trust, the confirmed deletion, faces the mirror-image pressure.
No financial terms, valuations, or fund-flow dollar figures were disclosed in the S&P Dow Jones Indices announcement.