The gap between a fund subscription and an IRA wire clearing is longer than most fund managers price in, and that gap has real cost.
A fund closes on a rolling basis, the manager wants your commitment confirmed in five days, and your custodian needs a direction of investment letter reviewed, countersigned, and processed before the wire goes. Standard custodian processing runs seven to fifteen business days for a new subscription, shorter if the account already holds a position with that sponsor and the entity paperwork is on file. Miss the closing tranche by a day and you either wait for the next one, which may price differently, or the manager passes you to a later close with different co-investors and sometimes a different fee tier. The capital sits earning nothing the whole time you are waiting, and that dead period stacks on top of the yield you already gave up during the sourcing phase. For a 60k IRA position in a fund paying 9 percent preferred, two weeks of dead cash is roughly 200 dollars gone before the first statement arrives. That sounds small until it repeats across three placements in a year.
The practical fix is to get the custodian's direction letter template and the fund's subscription documents in hand at the same time, fill both in parallel, and submit to the custodian the moment the manager confirms your allocation, not after you finish reading the PPM. Custodians who offer a checkbook LLC structure cut the wire lag to a day or two, but that structure carries its own setup cost and ongoing compliance, so it only pencils out if you are funding deals frequently enough to justify it.
What is your custodian's stated processing window for a first-time subscription to a new fund sponsor, and have you tested whether it matches what actually happens?