FactSet Research Systems Inc
Ownership
Ownership Structure
Who owns FactSet Research Systems Inc (FDS)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 99.7% of the shares are freely tradable; institutional investors hold 109.4%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BAMCO Inc | 10.56 | 3,756,587 | +30.0 | 03/31/2026 |
| BlackRock Inc | 7.95 | 2,825,823 | -6.8 | 03/31/2026 |
| Vanguard Capital Management, LLC | 6.77 | 2,408,636 | +0.0 | 03/31/2026 |
| State Street Corp | 5.34 | 1,898,401 | -0.1 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 5.08 | 1,806,692 | +0.0 | 03/31/2026 |
| Loomis, Sayles & Company LP | 4.05 | 1,439,274 | -2.6 | 06/30/2026 |
| Ninety One UK Limited | 3.34 | 1,189,240 | -0.5 | 06/30/2026 |
| Geode Capital Management, LLC | 3.21 | 1,142,335 | +7.9 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Baron Partners Retail | 6.04 | 2,149,040 | +14.6 | 06/30/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 3.26 | 1,160,305 | +0.3 | 07/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: September 17, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.