February 6, 2026

IPO & (Almost) Immediate Index Inclusion: Nasdaq-100 Proposes “Fast Entry”

No one likes waiting in line, especially (I assume) the world’s richest people. So I guess it shouldn’t come as a surprise that part of the planning for the SpaceX (plus xAI) IPO is figuring out how to accelerate entry into major stock indexes that otherwise have lengthy (sometimes longer than the lockup) waiting periods. Think amusement park fast passes, but this one is about avoiding rollercoaster-like post-IPO period stock price volatility by balancing supply and demand. The WSJ reports:

Advisers for the company . . . have reached out to major index providers . . . to discuss how SpaceX and this year’s other hot startups might join key indexes sooner than normal, according to people familiar with the matter.

Companies typically must wait several months or a year after their public debut before gaining inclusion in a major index such as the S&P 500 or the Nasdaq-100. Inclusion unlocks access to retail and institutional capital from funds, particularly those mimicking the performance of indexes that have to hold the companies in the index.

The traditional waiting period is intended to give the companies time to demonstrate that they are stable and liquid enough to handle extensive buying from index funds.

SpaceX hopes to skirt traditional rules in an effort to bring liquidity to its shareholders sooner as part of its planned IPO. SpaceX advisers have sought index policy changes that would fast-track its entry into major indexes for the company and benefit other highly-valued private companies, the people said.

Just earlier this week, Nasdaq posted a Nasdaq-100 Index Consultation seeking feedback from market participants on potential methodology changes, including a 15-trading-day “fast entry” for newly Nasdaq-listed large (top 40) companies.

Currently, new constituents may only be added to the index at the time of the Annual Reconstitution, as a replacement for a deleted index member, or as the result of a spinoff event. As a result, large companies that are newly listed on an eligible exchange (either by way of an initial public offering (IPO) or by transferring from an ineligible exchange) often aren’t added to the index in a timely manner. Requiring the removal of an existing security before adding new index members delays the timely inclusion of large companies that investors would reasonably expect to be added sooner.

To alleviate this situation, Nasdaq proposes to incorporate a “Fast Entry” rule. Under this rule, a new Nasdaq listed company will be evaluated for index inclusion. If its entire market capitalization ranks within the top 40 current constituents in the index, it will be announced as a “Fast Entry” addition to the index with at least five trading days’ notice and would be added to the index after fifteen trading days. The company will be exempt from seasoning and liquidity requirements, and its inclusion will not require the removal of another security. Instead, the constituent count will be increased until the next Annual Reconstitution, consistent with the treatment of spin-offs.

This consultation will remain open for comment until COB on February 27. I’m sure people smarter than me will weigh in on what this means for the broader market and Main Street investors’ 401(k)s, but I take this as another sign that the oncoming IPO wave will be an interesting ride.

Meredith Ervine 

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