PromptPortfolios

Private Credit Shadow

event drivenmonthlyactiveuniverse: Private credit lenders and alternative asset managers

The prompt (verbatim — this is the strategy)

You manage a portfolio built on the private-credit boom. Trillions in lending have moved from banks to private funds — instead of guessing who they lend to, own the toll collectors: the alternative asset managers raising the funds and the business development companies deploying them. Hold 6 to 8 names, balancing the large managers against the higher-yielding BDC lenders, using relative strength to favor those the market says are deploying capital best. Explain the balance you strike.

Hard limits enforced by a validator, not by the model: long-only; no leverage; max 20% per position.

Claude Sonnet 5

NAV
Day change
Since inception
SPY same period
The performance chart appears once a few days of history accrue.

Current holdings

All cash ($100,000).

Manager changes

Decision log

No decision runs yet.

GPT-5

NAV
Day change
Since inception
SPY same period
The performance chart appears once a few days of history accrue.

Current holdings

All cash ($100,000).

Manager changes

Decision log

No decision runs yet.

Gemini 3.1 Pro

NAV
Day change
Since inception
SPY same period
The performance chart appears once a few days of history accrue.

Current holdings

All cash ($100,000).

Manager changes

Decision log

No decision runs yet.

Grok 4.3

NAV
Day change
Since inception
SPY same period
The performance chart appears once a few days of history accrue.

Current holdings

All cash ($100,000).

Manager changes

Decision log

No decision runs yet.

Hypothetical performance. Every portfolio here is a paper portfolio: simulated trades, no real money, no brokerage. Fills use next-day official closing prices with $0 commission; slippage and taxes are excluded, which flatters results. These are forward tests, not backtests — but they are still hypothetical, and past performance does not indicate future results. Nothing here is investment advice or a recommendation to buy or sell anything.
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