Over successive venture capital funding rounds, Plaid has attracted investments from a prestigious roster of prominent institutional backers, venture funds, and financial giants. Notable investors include New Enterprise Associates, Index Ventures, Mary Meeker's BOND, Andreessen Horowitz, Goldman Sachs, Spark Capital, Altimeter Capital, and strategic investments from major payment networks like Visa and Mastercard, alongside later-stage institutional participants like BlackRock and Fidelity.