Tradeweb Markets Inc. (TW) ownership: Top institutional holder: VANGUARD GROUP INC ($1.29B). Insider activity: Net Seller (2 buys, 18 sells). 7 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| VANGUARD GROUP INC | 11955735.00 | $1.29B | 2025-12-31 |
| WELLINGTON MANAGEMENT GROUP LLP | 7504175.00 | $882.94M | 2026-03-31 |
| BlackRock, Inc. | 6828834.00 | $803.48M | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 5609871.00 | $660.06M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 5190795.00 | $610.75M | 2026-03-31 |
| T. Rowe Price Investment Management, Inc. | 3398763.00 | $399.90M | 2026-03-31 |
| AQR CAPITAL MANAGEMENT LLC | 2896209.00 | $340.77M | 2026-03-31 |
| Linonia Partnership LP | 2791246.00 | $328.42M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-05-26 | |
| Sell | null | 2026-05-19 | |
| Sell | null | 2026-05-19 | |
| Sell | null | 2026-05-19 | |
| Sell | null | 2026-05-19 | |
| Sell | null | 2026-05-19 | |
| Sell | null | 2026-05-19 | |
| 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.