Cisco Systems, Inc. (CSCO) ownership: Top institutional holder: VANGUARD GROUP INC ($30.73B). Insider activity: Net Seller (0 buys, 20 sells). 10 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| VANGUARD GROUP INC | 398943293.00 | $30.73B | 2025-12-31 |
| BlackRock, Inc. | 365209875.00 | $28.34B | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 243780205.00 | $18.91B | 2026-03-31 |
| STATE STREET CORP | 193593697.00 | $15.02B | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 117849671.00 | $9.14B | 2026-03-31 |
| GEODE CAPITAL MANAGEMENT, LLC | 102134942.00 | $7.91B | 2026-03-31 |
| MORGAN STANLEY | 77731032.00 | $6.03B | 2026-03-31 |
| FMR LLC | 67385563.00 | $5.23B | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-07-10 | |
| Sell | null | 2026-06-16 | |
| Sell | null | 2026-06-16 | |
| Sell | null | 2026-06-15 | |
| Sell | null | 2026-06-15 | |
| Sell | null | 2026-06-15 | |
| Sell | null | 2026-06-10 | |
| Sell | null | 2026-06-10 |
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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.