Who owns Tradeweb Markets Inc-Class A (TW)?
244 US mutual funds and ETFs from 133 fund families reported a position in TW for the quarter ending 2026-06-30. Against their own report a quarter earlier, 93 raised shares, 16 opened a new position, 79 cut and 15 sold out.
Largest fund families
| Fund family | Funds | Share of fund-held shares |
|---|---|---|
| Vanguard Index Funds | 6 | 39.3% |
| T. Rowe Price Mid-Cap Growth Fund, Inc. | 1 | 6.5% |
| T. Rowe Price Equity Funds, Inc. | 3 | 6.4% |
| Ishares Trust | 9 | 5.2% |
| T. Rowe Price U.S. Large-Cap Core Fund, Inc. | 1 | 4.5% |
| Bridge Builder Trust | 5 | 3.9% |
Tracked managers holding TW
None of the managers Prior Moves tracks on 13F reports TW in its latest filing.
Source: SEC Form N-PORT, which funds file about 60 days after quarter end, and the latest 13F filings. Share counts, not trades: a change can reflect fund inflows or outflows rather than a decision about TW. A record of holdings, not a forecast and not investment advice. See all owner pages or the forecast board for the names our model ranks.
Our model ranks every tracked manager’s likely next buys from 13F filings. Request the dataset sample with a work email.
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