Skip to main content
The Roaring 20s and 1929 Crash

Investment Trusts and Speculation in the 1920s

Pomegra Learn

How Did Investment Trusts Amplify 1920s Speculation?

Investment trusts were one of the 1920s' most significant financial innovations—and one of the most dangerous. By pooling small investors' capital into professionally managed portfolios, they democratized stock market participation in ways that would take another generation to fully develop through mutual funds. But many 1920s investment trusts added a structural feature that transformed them from useful financial intermediaries into leverage amplifiers: they issued their own debt and preferred stock against a portfolio of stocks, creating leverage ratios that multiplied losses when markets declined. Trusts that invested in other trusts created chains of leverage that, when markets fell, amplified the decline through each layer of the chain. Understanding investment trust structure is essential to understanding why the 1929 crash was so severe.

Quick definition: Investment trusts in the 1920s were pooled investment vehicles that sold shares to the public and invested in portfolios of stocks—similar in concept to modern mutual funds, but many trusts were highly leveraged (borrowing against their stock portfolios to amplify returns) and some invested in other trusts, creating interconnected leverage chains that amplified the 1929 crash through each layer.

Key takeaways​

  • Investment trusts grew from a handful in the early 1920s to over 750 by 1929, with total assets estimated at several billion dollars.
  • Many trusts issued bonds and preferred stock against their stock portfolios, creating leverage that amplified both gains and losses.
  • The Goldman Sachs Trading Corporation, launched in December 1928, was one of the most prominent and leveraged trusts; it lost approximately 90 percent of its value in the crash.
  • Some trusts invested in other trusts, creating chains of leverage that amplified the decline through multiple layers.
  • The investment trust structure illustrated a general principle: financial innovations that pool risk and provide access during booms often create systemic fragility that amplifies crises.
  • The Investment Company Act of 1940 directly addressed investment trust structural failures by prohibiting excessive leverage and requiring diversification.

The investment trust structure​

A basic investment trust issued common shares to the public and invested the proceeds in a diversified portfolio of stocks. In this simple form, the trust was broadly similar to a modern closed-end mutual fund—a pooled investment vehicle with professional management.

The leveraged version—which was common by the late 1920s—added a capital structure that amplified returns. A leveraged trust might fund its stock portfolio with:

  • 30 percent bonds (paying fixed interest)
  • 20 percent preferred stock (paying fixed dividends)
  • 50 percent common shares (receiving residual returns)

If the stock portfolio returned 10 percent, the bondholders and preferred shareholders received their fixed payments, and the common shareholders—who provided only 50 percent of the capital—received a disproportionate share of the gains. Leverage amplified their returns.

The same leverage worked in reverse: if the stock portfolio declined 25 percent, the fixed obligations to bondholders and preferred shareholders remained unchanged, and the common shareholders bore the full brunt of the decline—potentially losing all of their investment even before the portfolio had fallen to zero.

Trust of trusts: multiplied leverage​

Some investment trusts invested not in individual stocks but in other investment trusts. This created chains of leverage that multiplied the amplification. A trust that was itself leveraged 2:1, investing in other trusts that were leveraged 2:1, had effectively 4:1 leverage on the underlying stocks. When stocks declined, each layer of the chain amplified the loss through its own leverage.

The most extreme cases involved multiple layers: a trust investing in trusts that themselves invested in trusts. The leverage multiplication through these chains could reach extraordinary ratios, converting modest stock declines into near-total losses for the outermost layer's investors.

John Kenneth Galbraith's analysis in "The Great Crash 1929" documented these chains in detail, noting that they created a structure where the ultimate investors' capital was exposed to losses far larger than the underlying stock decline would imply from a simple leveraged portfolio.

Goldman Sachs Trading Corporation​

Among the most famous investment trusts of the era was the Goldman Sachs Trading Corporation, launched in December 1928 just months before the crash. Goldman Sachs (the investment bank) created the trust, offered shares to the public, and then used the proceeds partly to buy shares of other trusts, including one it had itself helped create (Shenandoah Corporation, which in turn created Blue Ridge Corporation).

The resulting chain—Goldman Sachs Trading Corporation owning Shenandoah, which owned Blue Ridge—provided the maximum leverage to Goldman Sachs Trading Corporation's outside investors in the underlying stocks. When the crash came, the outside investors lost most or all of their investment; Goldman Sachs as a firm survived but its reputation suffered from having promoted the Trust near the market's peak.

The Investment Company Act of 1940​

The investment trust catastrophe of 1929 was a direct cause of the Investment Company Act of 1940, which regulated investment companies (the modern term for investment trusts and mutual funds) by requiring:

  • Diversification requirements preventing over-concentration
  • Limitations on leverage (registered investment companies generally cannot issue senior securities)
  • Fiduciary requirements for management
  • Disclosure requirements enabling investors to understand the fund's strategy and risks

These requirements directly addressed the structural failures of 1920s investment trusts: excessive leverage, undisclosed strategies, conflicts between management interests and investor interests, and the chain-of-trusts leverage amplification that had created catastrophic losses.

Real-world examples​

The 1920s investment trust experience has modern parallels in the complex structured finance instruments of the 2000s—particularly Collateralized Debt Obligations squared (CDO-squared), which were instruments that invested in other CDOs. Like trusts-investing-in-trusts, CDO-squareds created chains of leverage that amplified losses through multiple layers, contributing to the 2008 financial crisis's severity.

Leveraged ETFs—exchange-traded funds that use derivatives to provide 2x or 3x the daily return of an index—are the modern successors of leveraged investment trusts in providing amplified exposure to market movements. Unlike 1920s trusts, leveraged ETFs are transparent about their leverage and reset daily, preventing the accumulated leverage amplification that made trust chains so dangerous.

Common mistakes​

Treating all investment trusts as fraudulent. The basic investment trust concept—pooled, professionally managed investment—was legitimate and valuable. The problem was the leverage and the chains of trusts, not the pooled investment concept itself.

Assuming the Investment Company Act fully solved the problem. The Act addressed the specific failure modes of 1920s investment trusts. But complex structured finance has repeatedly found ways to create leverage and interconnection outside regulated investment company structures—the off-balance-sheet vehicles of the 2000s being the most dramatic example.

Ignoring the role of investor demand for leverage. Investment trusts were leveraged because investors demanded leveraged exposure to a rising market. The innovation was supplied partly because it was demanded. Understanding investor incentives—not merely product design—is necessary for understanding why dangerous products are created.

FAQ​

Did individual investment trust investors understand the leverage?​

Many did not—disclosure requirements were minimal in the 1920s, and the marketing of investment trusts emphasized the professional management and diversification benefits without clearly explaining the leverage risks. This information asymmetry was one reason the Investment Company Act of 1940 required extensive disclosure.

Are any 1920s investment trusts still operating today?​

Some investment companies with roots in the 1920s or earlier have survived and evolved into modern mutual funds or closed-end funds. The basic organizational form has proven durable; the specific leveraged trust structure that caused the most damage has not.

Were all Goldman Sachs investors who held the Trading Corporation's shares ruined?​

Investors who held Goldman Sachs Trading Corporation through the crash suffered massive losses—the Trust's value fell approximately 90 percent. Some investors had sold earlier and preserved more of their investment; those who held through the crash experienced near-total loss.

Summary​

Investment trusts were the 1920s' most important financial innovation—democratizing equity investment through pooled, professionally managed portfolios—but many were structured with leverage ratios that amplified losses in declining markets, and some created chains of trusts-investing-in-trusts that multiplied the amplification through each layer. The Goldman Sachs Trading Corporation's near-total collapse became the era's most prominent example of how leverage chains convert moderate market declines into catastrophic investor losses. The Investment Company Act of 1940 directly addressed these structural failures through leverage restrictions and disclosure requirements, establishing the regulatory framework under which modern mutual funds and ETFs operate.

Next​

→ Black Thursday: Anatomy of a Crash Day