Teradata Corporation (TDC) ownership: Top institutional holder: VANGUARD GROUP INC ($394.31M). Insider activity: Net Seller (3 buys, 17 sells). 6 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| VANGUARD GROUP INC | 12953545.00 | $394.31M | 2025-12-31 |
| BlackRock, Inc. | 12551116.00 | $321.69M | 2026-03-31 |
| Lynrock Lake LP | 9354676.00 | $239.76M | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 9206973.00 | $235.97M | 2026-03-31 |
| AMERIPRISE FINANCIAL INC | 4156928.00 | $106.54M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4019405.00 | $103.02M | 2026-03-31 |
| LSV ASSET MANAGEMENT | 3425835.00 | $87.80M | 2026-03-31 |
| STATE STREET CORP | 3340707.00 | $85.62M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-06-15 | |
| Sell | null | 2026-06-15 | |
| Sell | null | 2026-06-08 | |
| Sell | null | 2026-06-01 | |
| Sell | null | 2026-06-01 | |
| Sell | null | 2026-05-22 | |
| Sell | null | 2026-05-22 | |
| Sell | null | 2026-05-19 |
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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.