SpaceX Joins Nasdaq-100 Monday: $4.3 Billion in Passive Inflows Expected for SPCX

SpaceX (NASDAQ: SPCX) will join the Nasdaq-100 index at the open on Monday, July 7, 2026, less than four weeks after its record-breaking IPO. Analysts estimate the index rebalancing will force approximately $4.3 billion in mandatory passive buying as ETFs and mutual funds tracking the benchmark are required to add SPCX to their portfolios, according to analysis covered by 24/7 Wall St.

Companies working on this

StartupHub profiles of the companies this article names, with funding and a one-liner from our database.

SpaceX

$800K

Designs, manufactures, and launches advanced rockets and spacecraft, aiming to make humanity multiplanetary.

General Dynamics

$65.0B

Global aerospace and defense company producing business jets, combat vehicles, submarines, and IT services.

Terafab

$55.0B

A planned semiconductor fabrication plant by Elon Musk's companies to produce advanced AI chips for terrestrial and space applications.

Blue Origin

$130.0B

Developing space infrastructure for data centers and beyond.

SPCX gained 2.83% to close at $162.00 on July 4-week trading, bringing its total advance to 20% above its $135 IPO price. Volume was 61.3 million shares. The stock's 52-week range runs from $135.00 at its June 12 listing to an intraday high of $225.64.

Why index inclusion matters for SPCX

The Nasdaq-100 tracks the 100 largest non-financial companies listed on the Nasdaq Stock Market by market cap. The Invesco QQQ Trust, the most widely traded ETF linked to the index, has more than $300 billion in assets under management. When a stock joins the index, every fund benchmarked to the NDX is legally required to own a proportional slice -- they cannot choose to opt out or phase in a position. That creates a concentrated, price-inelastic wave of buying on and immediately before the rebalance date.

Analysts at Benzinga estimated that passive inflows tied to the inclusion could reach approximately $4.3 billion in aggregate across all funds tracking the Nasdaq-100, based on SPCX's index weighting and total NDX-linked AUM.

SpaceX's IPO and business backdrop

SpaceX priced its IPO at $135 per share on June 12, 2026, raising $75 billion -- the largest U.S. public offering on record at the time, per CNBC. The stock opened its first day at $150 and closed at $161, a 19% gain above the offering price. The company was valued at $1.77 trillion at the IPO price; at $162 today, the implied market cap sits near $2.1 trillion.

Wedbush initiated coverage on SPCX with an Outperform rating and a $190 price target, describing SpaceX as a "major hyperscaler" with growing visibility into AI infrastructure contracts. The firm highlighted $27.8 billion in annual AI segment revenue tied to agreements with Anthropic, Alphabet, and Reflection AI as a key long-term growth driver beyond the core launch and Starlink businesses.

What investors are watching beyond July 7

After Monday's Nasdaq-100 rebalancing, near-term catalysts for SPCX include:

• Starlink subscriber growth: The company has not yet reported post-IPO subscriber figures. Analysts expect a quarterly disclosure cadence beginning with the first public earnings report.
• Starship launch cadence: Additional Starship test flights -- a prerequisite for the lunar Artemis mission and eventual Mars missions -- are a consistent source of investor attention.
• AI infrastructure contract updates: The $27.8 billion in annual AI contracts cited by Wedbush could expand as demand for satellite-connected computing grows.
• Lock-up expiration: Employee and early-investor lock-up periods from the June 12 IPO are expected to expire in approximately 150 to 180 days, a date to watch for potential additional share supply.

Consensus among eight of nine covering analysts is a Buy, with an average price target of $188.57.

See also: SpaceX Stock (SPCX): Full Hub -- Price, Valuation & How to Buy in 2026 | IPO Watch

Not investment advice.