Welcome to our dedicated page for Sei Invts 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.
SEI Investments Company (NASDAQ: SEIC) files a range of documents with the U.S. Securities and Exchange Commission that provide detail on its operations as a global provider of financial technology, operations, and asset management services. This SEC filings page brings together SEI’s Forms 10-K and 10-Q when available, along with current reports on Form 8-K and other disclosures, to help investors understand the company’s financial condition, governance, and significant corporate events.
Recent Form 8-K filings illustrate the types of information SEI reports. One 8-K dated December 17, 2025 discloses the resignation of the company’s founder, who established SEI in 1968 and served as chief executive officer for more than 50 years, from the Board and officer roles, and notes his appointment as non-voting Chairman Emeritus. The same filing reports a semi-annual dividend declaration. Other 8-Ks describe the Board’s approval of an increase in the stock repurchase program, the announcement of quarterly financial and operating results, and the furnishing of Investor Day and earnings presentations.
Filings also document strategic transactions, such as the June 30, 2025 8-K reporting the close of Aquiline Capital Partners’ acquisition of SEI’s Family Office Services business. These disclosures help investors track how SEI adjusts its business mix while continuing to focus on financial technology, operations, and asset management services. Together with annual and quarterly reports, they provide context on SEI’s segments, assets under management, administration and advice, and its relationships with financial institutions, asset managers, asset owners, and financial advisors as described in public materials.
On Stock Titan, SEIC filings are updated from the SEC’s EDGAR system, and AI-powered summaries can assist in highlighting key points from lengthy documents. Users can quickly identify items such as dividend and share repurchase authorizations, leadership and governance changes, and strategic transactions. Access to Form 4 insider transaction reports, along with 10-K and 10-Q filings when available, allows investors to review executive and director trading activity and to study SEI’s detailed financial statements, risk factors, and management discussions with additional AI-generated explanations.
SEI Investments officer Mark Andrew Warner reported an exercise-and-sale transaction in company stock. On April 28, 2026, he exercised options to acquire 4,000 shares of common stock at $48.47 per share, then sold 4,000 shares in an open-market trade at $91.16 per share. After these transactions, he directly held 921 shares of SEI Investments common stock. The options involved were originally received as employment compensation, indicating this activity stems from equity-based pay rather than a new grant.
SEI Investments Co reports beneficial ownership of 6,138,027 shares. Vanguard Portfolio Management filed a Schedule 13G reporting 6,138,027 shares of SEI common stock, representing 5.02% of the class as of 03/31/2026. The filing states Vanguard Portfolio Management LLC and affiliated divisions exercise dispositive power over these shares and that 12,384 shares are subject to sole voting power. The filing is signed by Ashley Grim on 04/29/2026.
SEI Investments Co. reported the planned sale of 4,000 shares of Common Stock under a broker-facilitated, cashless employee stock option exercise.
The filing lists the proposed sale date as 04/28/2026 and notes a prior sale of 4,000 shares on 02/25/2026 for $326,964.00.
SEI Investments Company reported higher quarterly results, with total revenues of $622.2 million for the three months ended March 31, 2026, up from $551.3 million a year earlier. Asset management, administration and distribution fees were $498.0 million, and information processing and software servicing fees were $124.2 million.
Income from operations rose to $189.5 million, leading to net income of $176.8 million, compared with $151.5 million in the prior-year quarter. Diluted earnings per share increased to $1.40 from $1.17, while basic earnings per share were $1.43, up from $1.20.
Operating cash flow strengthened to $221.6 million. SEI continued returning capital to shareholders, spending $208.3 million to repurchase 2.554 million shares and paying dividends of $63.7 million. The company also advanced its Stratos Wealth Holdings strategy, acquiring additional equity method investee interests for total preliminary consideration of $130.5 million, which increased goodwill and identifiable intangibles on the balance sheet.
SEI Investments officer Philip McCabe reported selling 15,000 shares of common stock in an open-market transaction. The shares were sold at a weighted average price of $91.82 per share, with individual sale prices ranging from $91.50 to $92.15.
After the sale, McCabe directly holds 54,884.45 shares of SEI Investments common stock. He also indirectly holds 2,738.9939 shares through the company's Employee Stock Purchase Plan, reflecting the acquisition of 297.3305 shares since his most recent prior Form 4 filing.
SEI Investments Company officer Sanjay Sharma reported option exercises and share sales in the company’s common stock. On April 23, 2026, he exercised options to acquire a total of 25,000 shares at an exercise price of $49.63 per share.
On the same date, he sold 25,000 shares in open-market transactions, including 1,559 shares at $90.73 per share and 23,441 shares at $90.08 per share, with footnotes noting weighted-average prices over specified ranges. Following these transactions, he held 39,828.992 shares directly.
The filing also shows 2,653.7771 shares held indirectly through an Employee Stock Purchase Plan, reflecting an acquisition of 284.5759 shares since his most recent prior Form 4.
SEI Investments executive vice president Michael Peterson reported an option exercise paired with a same‑day stock sale. He exercised options to acquire 10,000 shares of common stock at $48.47 per share, then sold 10,000 shares in an open‑market transaction at $90.00 per share.
Following these transactions, Peterson holds 20,148 SEI Investments common shares directly and 362.2978 shares indirectly through an Employee Stock Purchase Plan. The indirect balance reflects the acquisition of 91.5124 shares through the plan since his most recent Form 4 filing.
Morgan Stanley Smith Barney LLC Executive Financial Services submitted a notice under Form 144 to sell 20,000 shares of Common Stock. The filing lists two tranches from Previously Exercised Options: 8,000 and 12,000 shares. Shares outstanding were 122,248,132 as of 04/23/2026.