Company: CLM
Filing Date: 2025-04-21
Form Type: 424B3
Source: 0001398344-25-007380
Chunk: 0

Company: Cornerstone Strategic Investment Fund, Inc.
Filing Date: 2025-04-21
Form: 424B3
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<div align='center'>Cornerstone Strategic Investment Fund, Inc.

252,756,986 Rights for 84,252,329 Shares of

Common Stock</div>

Cornerstone Strategic Investment Fund, Inc. (the
“Fund”) is issuing non-transferable rights (“Rights”) to its holders of record of shares of common stock (“Common
Stock”) (such holders hereinafter referred to as “Stockholders” and the shares of Common Stock, the “Shares”)
which Rights will allow Stockholders to subscribe for new Shares (the “Offering”). For every three (3) Rights a Stockholder
receives, such Stockholder will be entitled to buy one (1) new Share. Each Stockholder will receive one Right for each outstanding Share
it owns on April 21, 2025 (the “Record Date”). Fractional Shares will not be issued upon the exercise of the Rights. Accordingly,
the number of Rights to be issued to a Stockholder on the Record Date will be rounded up to the nearest whole number of Rights evenly
divisible by three. Stockholders on the Record Date may purchase Shares not acquired by other Stockholders in this Rights offering, subject
to certain limitations discussed in this Prospectus. Additionally, if there are not enough unsubscribed Shares to honor all additional
subscription requests, the Fund may, in its sole discretion, issue additional Shares up to 100% of the Shares available in the Offering
to honor additional subscription requests. See “The Offering” below.

The Rights are non-transferable, and may not be
purchased or sold. Rights will expire without residual value at the Expiration Date (defined below). The Rights will not be listed
for trading on the NYSE American LLC (“NYSE American”), and there will not be any market for trading Rights. The Shares
to be issued pursuant to the Offering will be listed for trading on the NYSE American, subject to the NYSE American being officially
notified of the issuance of those Shares. On April 17, 2025, the last reported net asset value (“NAV”) per Share was $5.90
and the last reported sales price per Share on the NYSE American was $6.92, which represents a 17.29% premium to the Fund’s
NAV per Share. The subscription price per Share (the “Subscription Price”) will be the greater of (i) 112% of NAV per
Share as calculated at the close of trading on the date of expiration of the