Kroger receives more bad news with market share
Numerator's report shows Costco overtaking Kroger as the second-largest U.S. grocery retailer by spending share. Amazon + Whole Foods gained the most CPG share, while Kroger plans a $5B investment to lower prices. Walmart leads with 20.8% of CPG spending, with gains among younger shoppers.
How this was made

The 30-second read
Why it matters
The shift in market share highlights competitive pressure on traditional grocers, with potential stock price implications for the listed retailers.
Market read
New market‑share data could prompt short‑term trading moves in grocery stocks, especially Kroger and Costco.
What to watch
The data does not capture online grocery growth or private‑label dynamics that could alter competitive balance.
Background
Numerator's quarterly Retailer Market Share update provides the latest percentages of consumer spending across major grocery and CPG retailers.
Ticker impact
Kroger's grocery market share fell to 8.2% as Costco overtook it, indicating losing competitive ground.
likely downside as investors price in weaker market position
Share loss to a stronger competitor suggests reduced revenue growth prospects.
Costco's grocery share rose to 8.4%, making it the second‑largest grocery retailer, gaining on Kroger.
potential upside as market share gains reinforce growth outlook
Improved share indicates stronger competitive positioning.
Walmart maintained the top CPG share at 20.8% and grocery share at 20.3%, with gains among younger shoppers.
little immediate impact, but stable share may support current price levels
No material change in overall share; only demographic shift.
Amazon + Whole Foods captured 8.1% of CPG spending, closing in on Costco's share.
potential modest upside as investors note growing CPG footprint
Incremental share gain but no dramatic shift.
Albertsons' grocery share slipped to 4.5%, trailing Kroger and Costco.
likely downside as market share erosion continues
Share decline suggests competitive challenges.
Market effects
Retail grocery sector shows shifting competitive dynamics, favoring big‑box and membership models.
West region sees stronger Costco gains, potentially boosting related logistics and supply‑chain stocks.
U.S. grocery market share trends influence consumer‑spending outlook for broader consumer‑goods sector.
Counterpoint
Kroger's $5 billion price‑cut plan could win back price‑sensitive shoppers, offsetting short‑term share loss.
Key entities
- CompanyKroger
U.S. grocery retailer losing share to Costco.
- CompanyCostco
Gaining share and overtaking Kroger.
- CompanyWalmart
Maintains top position in CPG and grocery spending.
- CompanyAmazon
Closing in on Costco's CPG share.
- CompanyAlbertsons
Losing share in grocery segment.

