A white knight is a friendly acquirer that a target company invites to make a competing bid in order to escape an unwelcome hostile takeover. Faced with a raider it wishes to avoid, the target's board seeks out a more palatable buyer — the "white knight" — to acquire the company instead, usually on terms more favorable to shareholders, employees or the company's continued strategy.
Why a target seeks a white knight
When a board concludes that the company will likely be sold but objects to the hostile bidder — because the price is too low, the bidder would break up the company, or the combination is strategically or culturally wrong — finding a white knight changes the question from "can we stay independent?" to "who will own us?" The board uses the white knight to:
- Get a higher price. A second bidder creates an auction, and competition typically lifts the price for shareholders.
- Secure better terms. A friendly buyer may commit to retaining management and employees, preserving the business, or keeping headquarters and brand.
- Avoid the raider. It defeats a bid the board considers hostile or destructive.
How it plays out
Once a white knight emerges, the situation becomes a bidding contest between the hostile acquirer and the friendly one. The target's board can assist its preferred bidder with due-diligence access, a negotiated merger agreement, deal protections (a no-shop and break fee), and sometimes a lock-up option on key assets — though boards must be careful that such favoritism survives scrutiny of their fiduciary duties to get the best price for shareholders.
White knight vs white squire
A related, lighter-touch ally is the white squire: a friendly investor that buys a significant minority stake (not the whole company) to help the target stay independent — providing a block of supportive votes against the raider without a full acquisition. The white knight buys the company; the white squire takes a stake to help it resist.
Limits
The white-knight defense does not keep a company independent — it simply changes who acquires it. By the time a board is recruiting a white knight, the realistic outcome is a sale; the board is choosing the better of two acquirers rather than preserving the status quo. It also depends on a willing friendly bidder actually existing and being prepared to pay up — which is not guaranteed, especially for a large or troubled target. Where no white knight appears, boards fall back on structural defenses like the poison pill and staggered board.
See also
- Hostile takeover — An acquisition pursued against the wishes of the target company’s board.
- Poison pill — A defense that lets a target dilute a hostile bidder by issuing cheap shares to others.
- Crown-jewel defense — A tactic in which the target sells, spins or grants an option on its most valuable assets to a friendly party, making the company less attractive to a hostile acquirer.
- Tender offer — A public offer made directly to shareholders to buy their shares, usually at a premium.
- Proxy fight — A campaign by a hostile bidder or activist to win shareholder votes for board seats or transaction approval, usually as an alternative or complement to a tender offer.