SCHEDULE: Brown Advisory Discloses 5.79% Stake in SI-BONE

Brown Advisory and its affiliates have reported a 5.79% beneficial ownership stake in SI-BONE, Inc. common stock as of December 31, 2025.

Summary

• Brown Advisory Inc. and its affiliated entities collectively hold 2,513,268 shares of SI-BONE, Inc. common stock.
• This represents a 5.79% beneficial ownership stake in the company.
• The filing was made by Brown Advisory Inc. as a parent holding company, along with its subsidiaries Brown Investment Advisory & Trust Co., Brown Advisory LLC, Signature Financial Management, Inc., and Brown Advisory Ltd.
• The securities were acquired and are held in the ordinary course of business, not for the purpose of changing or influencing control of SI-BONE, Inc.

Sentiment

Score: 7

Explanation: StockSavvy.ai views this as a moderately positive signal, as a reputable investment firm like Brown Advisory maintaining a significant stake suggests confidence in SI-BONE's long-term value, albeit as a passive investment.

Positives

• Significant institutional investment by Brown Advisory, indicating confidence in SI-BONE.
• The investment is held in the ordinary course of business, suggesting a long-term, passive investment strategy.

Future Outlook

NA

Industry Context

StockSavvy.ai notes that institutional ownership by firms like Brown Advisory can signal market confidence in a company's long-term prospects within its sector, particularly for medical device companies like SI-BONE, Inc.

Stakeholder Impact

• Shareholders: Increased institutional ownership may lend credibility and stability to the stock, potentially attracting other investors.

Key Dates

Recommendation

While the disclosure of a significant institutional stake by Brown Advisory is a positive indicator of investor confidence, a Schedule 13G filing primarily reports passive ownership and does not provide sufficient operational or financial details to warrant a 'buy' or 'sell' recommendation. Investors should 'hold' and await further fundamental analysis or company-specific news.

Keywords

SI-BONE Inc., Brown Advisory, Beneficial Ownership, Schedule 13G, Institutional Investor, Common Stock, Investment Adviser, Medical Devices