According to the Bubblepedia The SPAC Bubble — Blank Check Companies and the Retail Speculation Frenzy entry, blank check companies raised an extraordinary $246 billion across 861 vehicles in just two years — 248 SPACs raising $83 billion in 2020, followed by a single-year record of 613 SPACs raising $163 billion in 2021. The median return two years after merger completion fell between negative 60% and negative 80%. Understanding who was buying at each stage of that cycle illuminates not just a historical episode, but a durable template for how speculative manias distribute losses.
The SPAC structure was not a democratisation of private equity. It was a mechanism for transferring institutional-grade risk onto retail balance sheets while concentrating institutional-grade profits among sponsors — a distinction that became unmistakable only after the collapse.
The Sponsor Class: First In, First Out
The participant composition of the SPAC boom was stratified with unusual clarity. At the apex sat the sponsor class — typically experienced financiers, former executives, and, increasingly, celebrities ranging from professional athletes to entertainment figures. The promote structure granted sponsors roughly 20% of post-merger equity for an upfront investment representing only 2–3% of the SPAC's total size. This was not a secret arrangement buried in footnotes; it was disclosed in every prospectus. Yet the asymmetry it created was profound: sponsors could profit substantially even from deals that destroyed most of the public shareholders' capital.
The celebrity dimension deserves particular scrutiny. By late 2020 and into 2021, the SPAC prospectus had become a vehicle for name recognition rather than financial expertise. When a prominent public figure attached their name to a blank check company, retail interest surged regardless of the sponsor's track record in identifying, valuing, or integrating acquisition targets. The celebrity SPAC was, in structural terms, a leveraged bet on brand recognition — and brand recognition, as history repeatedly demonstrates, is a poor substitute for due diligence.
Institutional Arbitrageurs: The Quiet Exits
The second tier of participants understood the structure precisely because they had helped design it. Institutional investors — hedge funds specialising in SPAC arbitrage, in particular — bought into IPOs not for the eventual merger target but for the embedded optionality. The redemption right, which allowed pre-merger shareholders to withdraw their capital plus accrued interest if they rejected a proposed deal, functioned as a near-riskless floor. Sophisticated players could hold units, collect the Treasury-bill equivalent return in the trust, and redeem before a merger they found unattractive.
This created a structural paradox at the heart of the SPAC model. The investors best equipped to evaluate the merits of a proposed acquisition — institutional funds with analytical resources — had every incentive to exit before the merger closed. The investors least equipped to evaluate it — retail participants drawn in by celebrity names and the narrative of democratised access — were the ones left holding post-merger equity. By the time Nikola (NKLA), Lordstown Motors, Clover Health, and WeWork's second attempt at public markets became household names for the wrong reasons, the arbitrageurs had largely moved on.
Retail Investors: Pandemic Liquidity Meets Narrative Finance
The retail cohort that fuelled the SPAC mania of 2021 was shaped by a specific historical moment. Zero interest rates eliminated the opportunity cost of speculation. Pandemic-era stimulus provided capital to a new generation of brokerage account holders. Commission-free trading platforms reduced friction to near zero. And social media — Reddit forums, financial Twitter, Discord servers — provided the narrative infrastructure that transformed obscure shell companies into objects of genuine excitement.
For the macro context this retail surge inhabited, it is worth situating the SPAC frenzy within the broader 2020–2021 environment: a period in which meme stocks, non-fungible tokens, and speculative cryptocurrencies were simultaneously capturing the same demographic. The SPAC was, in this sense, the most institutionally respectable face of a broader retail speculation wave — it wore a suit and filed with the SEC, which lent it a credibility that pure meme assets lacked.
Retail buyers typically entered after the IPO, purchasing SPAC shares in secondary markets at premiums to the trust value — sometimes substantial premiums — based on rumour or announcement of a prospective target. This meant they had already surrendered the redemption floor that protected earlier institutional holders. They were buying a story, not a security with a capital-preservation backstop.
Historical Parallels: The South Sea Company's Subscriber Lists
The participant composition of the SPAC bubble rhymes with earlier episodes in which the structural benefits of a financial innovation accrued to insiders while risks were distributed to latecomers. The South Sea Bubble of 1720 — documented in the Bubblepedia comparison of the South Sea Bubble and the SPAC boom — exhibited a similar hierarchy: original subscribers and company directors who sold at peak valuations, followed by a broadening public who purchased shares on credit at prices that implied perpetual expansion of a trading monopoly that barely functioned.
In both cases, the mechanism of loss was not primarily fraud in the legal sense — though fraud was present in both episodes — but structural misalignment. Those who designed the vehicle extracted value through mechanisms that were disclosed but not widely understood. Those who arrived late, attracted by price momentum and social proof, absorbed the correction.
The dot-com parallel is also instructive. Pre-IPO allocations in 1999 and 2000 went overwhelmingly to institutional clients of underwriting banks; retail investors bought in the aftermarket at multiples those institutions had already locked in profits from. The SPAC structure simply made this dynamic more explicit and more legally defensible — the promote was in the prospectus, not a side arrangement.
The Regulatory Aftermath and Its Lessons
The SEC's enforcement actions of 2022–2023, which targeted multiple SPAC sponsors and target companies for fraud, addressed the most egregious cases. But the structural problem — sponsor economics that reward deal completion over deal quality — was not a bug that bad actors introduced. It was a feature of the vehicle itself. Sponsors faced a binary outcome: complete an acquisition within the two-year window or liquidate and return capital with minimal compensation. This created systematic pressure to do deals, even poor ones, rather than return money to investors.
The SPAC index fell more than 75% from its peak by the end of 2022. That figure, drawn from the Bubblepedia encyclopedia entry, masks a distribution: sponsors and early institutional arbitrageurs largely preserved capital or profited; retail investors who bought post-announcement at premiums to trust value bore the overwhelming share of those losses.
Current market conditions — featuring new financial products that promise retail participants access to previously institutional-only asset classes, often with complex fee structures and celebrity or influencer marketing — carry the same structural DNA. The specific instrument changes; the participant hierarchy does not. Evaluating any such product requires asking not what the narrative promises, but who profits if the narrative proves wrong. Bubblepedia's current bubble risk indicators track several asset classes where this question remains uncomfortably relevant.