SPAC vs IPO: Two Paths to Going Public
SPAC vs IPO Comparison
| Factor | Traditional IPO | SPAC |
|---|---|---|
| Process | SEC filing → roadshow → pricing → listing | SPAC IPOs first → finds target → merges (de-SPAC) |
| Timeline | 6–12 months | 3–6 months (for the merger) |
| Cost to Company | 7% underwriting fee + legal/accounting | Lower upfront, but sponsor takes 20% (“promote”) |
| Regulatory Scrutiny | Full SEC review of S-1 filing | Less stringent initial review |
| Pricing Certainty | Set during bookbuilding — subject to market conditions | Negotiated valuation with SPAC sponsor |
| Forward Projections | Not allowed in S-1 | Allowed in SPAC presentations |
| Dilution Risk | Moderate — underwriter overallotment | High — sponsor promote + warrants + redemptions |
| Historical Performance | Mixed — average IPO outperforms short-term | Poor — majority of SPACs underperform post-merger |
How a Traditional IPO Works
A company hires investment banks as underwriters, files an S-1 registration with the SEC, conducts a roadshow to pitch institutional investors, prices shares based on demand, and begins trading on a stock exchange. The process is rigorous, expensive, and takes 6–12 months — but it comes with thorough due diligence and typically strong first-day demand.
How a SPAC Works
A SPAC is a shell company that raises capital through its own IPO (usually at $10/share) and places the funds in trust. The SPAC sponsor then has 18–24 months to identify a private company to acquire. When the merger (de-SPAC) occurs, the target becomes public. Shareholders who don’t like the target can redeem their shares at the original $10 trust value.
The catch: SPAC sponsors receive a 20% equity stake (the “promote”) essentially for free, heavily diluting other shareholders. Warrant exercise creates additional dilution. Research shows that the average SPAC has significantly underperformed the broader market post-merger.
Key Takeaways
- Traditional IPOs are more heavily regulated, more expensive, and take longer — but have better average performance.
- SPACs offer faster access to public markets but carry significant dilution from sponsor promote and warrants.
- SPACs can make forward projections in presentations; IPO S-1 filings cannot — creating potential for overpromising.
- The average SPAC has underperformed post-merger — investor caution is warranted.
- SPAC activity peaked in 2020–2021 and has cooled significantly as regulatory scrutiny increased.
Frequently Asked Questions
Are SPACs a good investment?
On average, no. Studies show most SPACs underperform the S&P 500 after completing their merger. However, individual SPACs can succeed — it depends entirely on the quality of the target company and the deal terms.
Why would a company choose a SPAC over an IPO?
Speed, pricing certainty, and the ability to share forward projections. Companies that might struggle in a traditional IPO (pre-revenue, high-risk sectors) sometimes prefer the SPAC route because they can negotiate the valuation directly rather than relying on market demand.
What happens if a SPAC doesn’t find a target?
If the SPAC doesn’t complete a merger within its deadline (typically 18–24 months), it liquidates and returns the trust funds to shareholders at approximately $10/share.
Can retail investors participate in IPOs?
Historically, IPO allocations went primarily to institutional investors. Some brokers (Fidelity, Schwab, Robinhood) now offer IPO access to retail clients, but allocations are limited and often go to accounts with larger balances.
What is the SPAC sponsor promote?
The promote is the ~20% equity stake that SPAC founders (sponsors) receive for organizing the vehicle. This dilution is borne by other shareholders and is one of the main reasons SPACs tend to underperform — it’s essentially a built-in fee.