No longer trading
Acquired by XOMA Royalty Corporation
The acquisition closed on February 9, 2026 (SEC 8-K 2.01). Its last closing price was on February 6, 2026. It has left the AI-ranked universe. The score and rank below are its final ones, from July 1, 2026. Source: SEC 8-K 2.01
Final 13F Pro quality score
Final rank #2,631 of 2,856 · as of July 1, 2026
Rankings refresh quarterly once 80% of peers have filed. Next update: ~Nov 14, 2026.
Reported revenue, net income and operating margin by fiscal year, from Generation Bio Co.'s annual filings on SEC EDGAR.
| Period | Form | Revenue | Net income | Op. marginOperating margin |
|---|---|---|---|---|
| FY 2024 | 10-K | $19.9M | $-131.7M | — |
| FY 2023 | 10-K | $5.9M | $-126.6M | — |
Officers, directors and 10% owners with a Form 4 filed in the last 24 months, most recent first. From SEC EDGAR.
Acquired by XOMA Royalty Corporation: Generation Bio Co. (GBIO) no longer trades and has left 13F Pro's AI-ranked universe. The acquisition closed on February 9, 2026 (SEC 8-K 2.01). Its last closing price was on February 6, 2026. It has left the AI-ranked universe. The score and rank below are its final ones, from July 1, 2026. Generation Bio Co. (GBIO) stock profile, AI quality score, and SEC EDGAR financial data, a Healthcare sector company. 13F Pro tracks GBIO using direct SEC EDGAR data and AI-powered research tools. Based on the latest XBRL financial filings (Q3 2025), Generation Bio Co. reports quarterly revenue of $1.6M, net income of $-5.5M, free cash flow of $-52.7M. GBIO trades on the Nasdaq exchange and files with the SEC under CIK 1733294. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate GBIO daily and publish AI-generated analysis with cited SEC sources. The platform aggregates historical XBRL financial facts, 10-Q and 10-K filings, insider Form 4 transactions, and institutional 13-F holdings for Generation Bio Co. directly from SEC EDGAR.
Financials through the period ended SEC EDGAR: CIK 1733294 →