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Finance · Stocks & IPOs

Largest IPO by market cap in 2026?

The favourite on Polymarket is SpaceX at 88%, followed by Anthropic at 11%.

Anthropic moved the most this week: 44% to 11% (−32.9 pts).

Open on the mapSee it on Polymarket

Chances now

New to this? How to read a market · What the odds mean

OutcomeChance24 hours7 daysTraded, 7 days
SpaceX88%+2.0 pts+32.0 pts$250k
Anthropic11%−2.2 pts−32.9 pts$154k

A price of 88% means traders pay $0.88 for a share that pays $1 if the outcome happens. It is the crowd's estimate, not a forecast by Nimb.

Key facts

Volume and open interest, explained · How markets resolve

Largest public holders

WalletHoldsValueUnrealised P&L
0xa5ef…2966SpaceX · No$220k−$220k
0xffbb…36e9SpaceX · No$88k−$73k
TheReturnOfDarthMaulSpaceX · Yes$59k+$2k
UnreasonableAwarenessSpaceX · No$57k−$47k
schizohedgehogSpaceX · Yes$52k+$7k
no1yetSpaceX · Yes$44k+$1k
occasionalAwarenessSpaceX · No$44k−$24k
BertapotamousSpaceX · Yes$44k+$17k

Wallets holding both sides of the same market are left out: their positions cancel and are not a bet. How to read holders.