How to check bundled wallets on Solana, and why you can't copy one

Bundled wallets on Solana are wallets that buy a token together at its launch, so that one operator looks like a crowd of early buyers. Most bundle checkers answer one question: was this token bundled? This guide answers the one a copy trader has: is this wallet a bundler, and can I copy it?

We read a real pump.fun launch on chain on 29 September 2026 [1]. A bundle checker that reads only the creation block calls it clean: that block held nothing but the creator's own buy. One block later, five wallets took 31 percent of the supply. Then, 69 seconds after the launch, the biggest of them split its tokens across four wallets. Three of those four then showed up among the token's five most profitable traders [2].

What is a bundled wallet on Solana?

A bundled wallet buys a token in the same block as its creation. It is one of a group of wallets run by one operator. The group usually goes through a Jito bundle: up to five transactions that run in order, all of them or none [3]. The creation goes first, the buys follow, and nobody outside can buy in between.

The point is to hold a large share of the supply at the lowest price while looking like many independent buyers. Spread over many fresh wallets, one position looks like organic demand. Later, those wallets sell into the buyers the launch attracted.

How do you check if a token launch was bundled?

Open the token's creation transaction and read its block. Every wallet that bought in that block bought before anyone outside could see the token. Add up their share of the supply, then check whether they still hold it.

By hand, on an explorer such as Solscan:

1. Open the token and find its first transaction, the creation. Note its slot, the number of the block it landed in.
2. List the buys in that slot and in the next two.
3. For each buyer, divide the tokens it received by the supply at launch.
4. Check which of those wallets have sold and which still hold.

This is what a bundle checker automates. It is the right first check, and it has a blind spot.

Why can a bundle checker say a bundled token is clean?

Because it reads one block. A launch can leave the creation block clean and do the same thing one block later, about 270 milliseconds after.

The launch we read shows it. The token 7McW7LN6cF9mNTYZn6nVeku9igTTbvLg5m5r4RMfpump was created on 18 September 2026 at 20:43:24 UTC, in slot 448194741, with a supply of one billion tokens [1].

The creation block held one buy, inside the creation transaction itself: the creator, G1EjXbfKVyhpQ7rTqrqubnyX4VtQcR4kbiG66suc9rvL, took 49,650,836 tokens, 5.0 percent of the supply. The next block held five buys:

By the usual definition the creation block is clean. The next block holds just over 31 percent of the supply in five wallets. A checker that stops at the creation block sees none of it.

How do you check if a wallet is a bundler?

Check four points on the wallet itself: when it bought, who funded it, where its tokens went, and what it does on other launches.

• When it bought. Compare the slot of its first buy with the slot of the creation. A block lasts about 270 milliseconds, so a buy in the same block or the next one was not made by a person reacting to the launch.
• Who funded it. Read its first incoming SOL, then the funder's own. A funder shared with the creator or with other early buyers ties them together. Our guide on what Funded by means on Solscan shows how to read it.
• Where its tokens went. The check most people skip. A bundler often moves tokens to other wallets right after buying, so the supply sits in more hands than the holder list suggests.
• What it does elsewhere. A wallet that lands in the first blocks of launch after launch is a sniper or a bundler by trade. On an Ocinct scan card this shows as the bundler or sniper tag.

Here is the biggest buyer of that next block, 5RXY95aP399Jm25qbmLVSpAd6KofszNpDPoi5A2S8QW7, checked the same way [1]:

• When: it bought 160,859,956 tokens for 6.84 SOL in the block right after the creation.
• Who funded it: J5uqyy5BvQLhkos17rrHXe5qcWbYtyUCyPAugb4KXtZ6 sent it 25.1 SOL on 17 September at 21:00 UTC, the day before the launch.
• Where its tokens went: 69 seconds after the creation, in a single block, it sent 130,557,286 tokens to four wallets.

Look at the third line: the wallet that funded 5RXY95aP got part of its tokens back a minute after the launch. Three of these four wallets, 2gEJywHF, FSjEyw4C and J5uqyy5B, are among the token's five most profitable traders, each with $0 bought [2]. They did not buy. They were paid out.

Four of the token's five best traders are one operation: one wallet buys, then hands the supply to three others, one of which had funded it.

Do bundled wallets share the same funder?

Sometimes. On this launch the link was not a common funder: it ran the other way, from a wallet that received tokens to the buyer it had funded. The other early buyers had funders of their own, where we could read them [1]:

• CLExEFEbGAkfgyrM4fMRQ8eYBCu9SYqeG5PLSw7EhZJ6 funded AJufZXkN with 2 SOL on 17 September.
• is6MTRHEgyFLNTfYcuV4QBWLjrZBfmhVNYR6ccgr8KV funded 8hoWx52Q with 10 SOL the same day.
• CSsPQkGiCgaL9naLDxwTELYgkB1FHURUw9EyNuELFj7o funded C7FyjpSc with 2 SOL on 16 September.
• 5g7yNHyGLJ7fiQ9SN9mf47opDnMjc585kqXWt6d7aBWs funded the creator with 1.77 SOL, three minutes and 43 seconds before the launch.
• FjJiYpUc has too long a history for its first funding to be read from the public RPC.

A separate funder does not clear a wallet. AJufZXkN bought 10 percent of the supply in the same block as 5RXY95aP. It appears in 5,915 transactions between 17 and 29 September, the pace of a bot. Its funder is not 5RXY95aP's, and 5RXY95aP sent it no tokens, so nothing we read ties it to this group. It is a sniper racing into the first blocks, and just as impossible to copy.

The lesson: check shared funders and token transfers between early wallets. On this launch, the transfer gave the group away.

Can you copy trade a bundler wallet?

No. Its edge is being in the first block, before anyone can see the token, and a copy lands after it by construction. Its record also counts tokens it handed to its own wallets, so it is not a record of trades you can follow. When the group sells, it sells to the buyers who came after it, and a copy trader is one of them: you become its exit liquidity.

That is why the bundler tag removes 20 points from the Ocinct score [4]. So do the sniper, rat trader, dev team and sandwich bot tags, up to 40 in total.

How do you avoid buying into a bundled launch?

Check the first blocks, not only the creation block, then check the wallets that won.

• Add up what the first two or three blocks bought. A large share in a handful of wallets is a group, whatever a checker says about the creation block.
• Before you trust a token's top traders, group them by funder and look for transfers between them. Token traders groups the 100 most profitable traders of a token by the wallet that funded them.
• Look for top traders with $0 bought. Tokens that arrived by transfer are a payout, not a trade.
• Scan a wallet before you copy it. The bundler and sniper tags are on the card, with the funder on Pro and Elite. For the groups behind them, read wallets that move together.

Questions

Sources

[1] Read on chain on 29 September 2026 through the public Solana RPC, one transaction per fact: creation of the token, buy of 5RXY95aP, funding of 5RXY95aP by J5uqyy5B, and the transfers to 2gEJywHF, FSjEyw4C, J5uqyy5B and 2QiAfzSH.

[2] Ocinct Token traders, run on 18 September 2026 on the same token, the table in our guide to insider wallets: https://www.ocinct.com/guides/how-to-find-insider-wallets-on-solana

[3] Jito documentation, What are bundles: https://docs.jito.wtf/lowlatencytxnsend/#what-are-bundles

[4] Ocinct score method, risk tags and their penalty: https://www.ocinct.com/how-it-works