Depending upon your situation, tolerance for KYC record keeping, etc.,

You can try this. Say you have 3 or 4 lots of UTXOs all from a single KYC source. And all are long term cap gains consolidations is DCA or even single lot bulk purchases.

Perform your own “PayJoin” mixing.

Assuming they start from a common wallet but different addresses.

3 or 4 inputs -> 3 or 4 outputs of which none of the UTXO input or output have a common size with any other input or output.