Welcome to our dedicated page for SEI INVESTMENTS CO SEC filings (Ticker: SEIC), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
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Ryan Hicke, reporting person and identified as Chief Executive Officer and Director of SEI Investments Co (SEIC), reported Section 16 transactions dated 08/19/2025. The Form 4 shows two non-derivative acquisitions of 17,500 shares each at an acquisition price of $49.63 (two entries), followed by a sale of 35,000 shares at a weighted-average sale price of $88.30 (range noted $87.92–$88.89). After these transactions, the reporting person beneficially owned 171,259.77 shares directly and 14,687.089 shares indirectly through a 401(k) plan. The Form 4 indicates the acquired shares/options were received as employment compensation and that the reporting person will provide sale price detail upon request.
Form 144 filing shows a proposed sale of 35,000 shares to be executed on 08/19/2025 through Charles Schwab & Co., Inc. The aggregate market value is stated as $3,090,362 with 123,625,060 shares outstanding, and the sale is to occur on NASDAQ. The securities were acquired on 08/19/2025 via an employee stock option exercise from SEI INVESTMENTS CO, and the payment method is listed as a broker payment for a cashless exercise. No securities were reported sold in the prior three months and the filer attests there is no undisclosed material adverse information.
SEI Investments Company (SEIC) filed a 13F Combination Report for the quarter ended 06-30-2025 that aggregates holdings reported by its operating subsidiaries. The report lists 5,589 information-table entries with a total reported market value of $86,271,329,817. SEI explains it is a parent holding company that disclaims investment discretion and voting authority for the reported Section 13(f) securities, noting those powers reside with its operating subsidiaries and that certain subsidiaries and sub-advisers are reported for regulatory purposes. The filing also lists 4 other included managers by name.
Loomis, Sayles & Co., L.P. reports beneficial ownership of 8,886,767.60 shares of SEI Investments common stock, equal to 7.14% of the class. The filing shows sole voting power over 7,233,424 shares while reporting no sole or shared dispositive power to direct the sale of the shares. The filer identifies itself as an investment adviser organized in Delaware and states that clients may have rights to dividends or sale proceeds, with no single client holding more than 5% of the class. The filing includes the required certification of accuracy.
SEI Investments executive vice president Michael Peterson exercised options to purchase 7,089 shares of common stock at an exercise price of $61.81 per share and on the same date sold 7,089 shares at $88.55 per share. Following these transactions, he directly holds 13,500 shares of SEI Investments common stock.
Filing: Form 4 filed for Michael Peterson, Executive Vice President of SEI Investments Co (SEIC), reporting transactions dated 08/05/2025 and filing signed 08/06/2025.
Transactions: On 08/05/2025 Mr. Peterson acquired 684 common shares (code M) at an exercise/conversion price of $61.81 and disposed of 684 common shares (code S) at a weighted-average sale price of $88.69 (range $88.50–$88.94). Following the transactions he beneficially owned 13,500 common shares (direct).
Derivatives: The Form reports an option to purchase common stock with conversion/exercise price $61.81 tied to the 684 shares and shows 7,089 derivative securities beneficially owned following the reported transactions. Explanation states the derivative securities were received as employment compensation.
SEI Investments Co insider Mark Andrew Warner reported an option exercise and share sale. On July 29, 2025 he exercised stock options covering 5,000 shares of common stock at an exercise price of $49.63 per share and sold 5,000 shares at $88.75 per share. After these transactions he holds 1,300 shares of SEI Investments common stock directly.