Why BTIG Downgraded OneStream (OS) After Its $24-Per-Share Buyout Agreement

OneStream, Inc. (NASDAQ:OS) is one of the best rising AI stocks to buy now. On March 6, 2026, BTIG downgraded OneStream to Neutral from Buy without a price target after the company agreed to be acquired (by PE firm Hg Capital) for $24 per share, with the transaction expected to close in the first half of 2026. The analyst said the pending takeover was the reason for the downgrade, not a change in the company’s underlying operating performance. For context, OneStream reported fourth-quarter 2025 revenue o ...