Fastly, Inc. (FSLY) ownership: Top institutional holder: BlackRock, Inc. ($361.47M). Insider activity: Net Seller (0 buys, 20 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock, Inc. | 12438640.00 | $361.47M | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 11017485.00 | $320.17M | 2026-03-31 |
| FMR LLC | 8636789.00 | $250.99M | 2026-03-31 |
| Legal & General Group Plc | 8059757.00 | $234.22M | 2026-03-31 |
| FIRST TRUST ADVISORS LP | 7031952.00 | $204.35M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 5997103.00 | $174.28M | 2026-03-31 |
| VANGUARD GROUP INC | 16976906.00 | $172.82M | 2025-12-31 |
| TWO SIGMA INVESTMENTS, LP | 5614247.00 | $163.15M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-06-16 | |
| Sell | null | 2026-06-03 | |
| Sell | null | 2026-06-03 | |
| Sell | null | 2026-06-03 | |
| Sell | null | 2026-06-03 | |
| Sell | null | 2026-06-03 | |
| Sell | null | 2026-06-03 | |
| Sell | null | 2026-06-03 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.