DoorDash's $17B Instacart Bid Pays 14x for a $1.2B Ad Ledger Growing at Half Walmart's Rate

DoorDash is in advanced talks to acquire Instacart parent Maplebear in a deal that could value the grocery platform at about $17 billion, according to a Wall Street Journal report published Oct 26, 2026 and confirmed the same day by Reuters and Bloomberg. Reuters reported the deal could be finalized as soon as Wednesday, Oct 28. Instacart has been running a sale process with an investment bank since at least Oct 23, and preliminary talks earlier included Uber. The market's verdict came within hours: Instacart rose about 8% and DoorDash fell around 6%. The $17 billion is a press-reported ceiling, not an agreed price.

Per order, the grocery basket is a better business than the restaurant order, and the reason is the ticket rather than the pricing. Instacart earned $3.47 of adjusted EBITDA on each of its 90.3 million second-quarter orders; DoorDash earned $0.94 on 970 million orders. Instacart keeps a smaller share of each order — 10.1% of gross transaction value against DoorDash's 13.5% of Marketplace GOV — but on a $114.63 basket versus roughly $34, the grocery order produces $11.55 of revenue against $4.59 for a restaurant order.

What the basket does not come with is growth. Instacart's orders rose 9% in the quarter while DoorDash's rose 27%, so the grocery business grows at a third of the rate of the restaurant business Instacart is being folded into. CEO Chris Rogers names affordability as the number-one reason shoppers churn and the number-one barrier to adoption, and the platform's fix is to push retailers into price parity, which Instacart says makes online sales grow 10 percentage points faster than at mark-up retailers. Both companies are fighting the same problem: a 7.2% transaction take rate on a weekly grocery bill is a harder political problem than a delivery fee on a $34 dinner.

The margin in this deal is 28% of Instacart's revenue, and it is not growing fast enough to fix the growth problem. Advertising and other revenue was $297 million in the second quarter, up 16%, equal to 2.9% of gross transaction value and $3.29 per order. Its share of revenue has been pinned at roughly 28% for two years — 28.5% in fiscal 2025, when advertising and other revenue reached $1,065 million of $3,742 million, and 28.0% a year before the latest quarter — which makes it a stable annuity rather than an inflection.

That is why DoorDash wants it. DoorDash paid $1.2 billion for SevenRooms in 2025 and is now selling advertisers an in-store inventory dashboard through its Brand Center, while Instacart is shipping grocers and CPG brands a real-time digital view of grocery shelves. Two companies are building the same asset — first-party shelf data sold back to the brands that fund the commerce — from opposite ends of the market. A combination consolidates first-party shelf data and the ad budgets behind it into one owner, which is exactly why the ad business, not the vans, is where the regulatory fight will happen.

The awkward fact is that the ad ledger is the slowest-growing ad business among the companies most exposed to this deal. It grew 16% in the second quarter of 2026. Walmart's global advertising business grew 38% in its most recent quarter, with Walmart Connect up 43% in the US excluding VIZIO. Uber's advertising business is growing roughly 50% and has passed a $2.5 billion annualized revenue run-rate, more than twice the $1.19 billion annualized pace of Instacart's advertising and other revenue. If the ad ledger is the prize, the buyer is paying 13.7 times annualized ad revenue for a business compounding at 16%.

Strip out the reported headline and the arithmetic splits cleanly. $16.3 billion of enterprise value after Instacart's $723 million net cash buys an annualized transaction business at 5.5x revenue, an annualized advertising business at 13.7x revenue, and the whole thing at 13.0x annualized adjusted EBITDA of $1.25 billion. A buyer who believes the ad ledger is the asset and marks a 16% grower with one-year contracts at 10x arrives at $11.9 billion of value and concludes the delivery basket comes for free; at 14x, the ad line alone eats the entire price.

The two EPS lines point in opposite directions, and that is the tell. On trailing GAAP earnings the deal is accretive by 27% because DoorDash's trailing profit is compressed by stock compensation and acquisition amortization, which is why its 88x trailing P/E is an artifact rather than a signal. On the forward numbers the market actually trades DoorDash on, the deal is 12% dilutive before a single synergy: Instacart trades at 23.6x forward against DoorDash's 25.0x, so a 30% premium paid in stock hands Instacart holders 18.9% of a company for cash flow growing 14% against DoorDash's 36%.

The 2021 file is the most useful precedent, and it is not encouraging. DoorDash and Instacart talked about a $40-$50 billion combination in 2021 and walked away when antitrust objections surfaced. The overlap today is smaller in dollars and larger in kind: the deal would put the biggest online grocery book — Instacart, about $41 billion of annualized GTV against Uber's $15 billion of annualized grocery and retail bookings — inside the same owner as a restaurant marketplace that already sells the same CPG advertisers shelf data. Instacart's 2024 restaurant-delivery partnership with Uber, and Uber's use of Carrot Ads for sponsored grocery placements, show the ad-technology layer is already shared across rivals. Regulators will be looking at the ad and data assets, not the vans.

The retailer side of the ledger is where the durable value sits, and it is not in the headline number. Instacart works with more than 2,200 retail banners across nearly 100,000 stores, and in September 2026 it added Dollar General to a same-day, no-mark-up rollout starting at about 7,000 stores and expected to reach roughly 20,000 locations this autumn. Kroger is already pairing Instacart delivery with prescriptions. Retailers that move to price parity see online sales grow 10 percentage points faster on Instacart's data, which is why a deeper-pocketed owner with an ad business should make those economics better and why grocers should be negotiating hard before the antitrust clock starts.

Two downstream facts explain why DoorDash wants this and why the price is hard. Roughly 75% of DoorDash's US grocery and retail orders came from DashPass members in the second quarter, and the Instacart membership already waives delivery fees on grocery orders over $10 and restaurant orders over $25, so the two baskets sit inside one subscription. The commercial prize is not 90 million grocery orders; it is one subscription a consumer uses for the weeknight dinner and the Saturday shop, plus a place to sell the brands' ad budget.

The other upstream is the shopper and the other downstream is labor: Instacart runs on independent shoppers rather than a company fleet, and DoorDash runs on dashers. Neither owns the vehicle or the store, which is why this platform can be assembled without buying inventory. That asset-light structure is precisely what makes the ad ledger the durable thing in the deal. The basket is rented from retailers and the delivery is rented from contractors, and the margin on both is competed away whenever a promotion lands. Selling advertising against first-party basket data to brands that cannot buy the same data anywhere else is the one line that survives a price war.

Over one to three years the test is simple and observable: does advertising and other revenue accelerate above 20% and cross 30% of revenue in the combined company, and does the grocery basket hold a take rate near 7.2% of GTV once a DoorDash sales force starts selling retailers subscriptions? The ledger has to accelerate above 20% for the 2026 multiple to look cheap. The milestones to watch are the regulatory decision, the third- and fourth-quarter ad growth prints, the share count after the preferred conversion, and whether DoorDash's merchant platform actually shows up in Instacart's enterprise pipeline.

So the bid buys a basket that earns 3.7 times the profit per order of a restaurant order but grows at a third of the rate, and an ad ledger that is 28% of revenue, 2.9% of GTV and the only line with a moat — renewed every twelve months, compounding at 16% against Walmart's 38% and Uber's roughly 50%. A price of about $17 billion is roughly what a buyer who believes that thesis should pay for the ad line alone, which is why the market's 6% drop in DoorDash on Oct 26 reads as a verdict on the price rather than on the strategy.