Who owns Tradeweb Markets Inc.?
Institutional ownership of TW from SEC Form 13F filings across 349 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
349
13F holders
$7.26B
value, 2026 filers
43.1%
of shares outstanding (91.7M sh)
34
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of TW's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | PRICE T ROWE ASSOCIATES INC /MD/ | 16.4M | $1.6M | 0.2% | 7.7% | +9.6% |
| 2 | BlackRock, Inc. | 6.9M | $685.9M | 0.0% | 3.2% | +0.8% |
| 3 | WELLINGTON MANAGEMENT GROUP LLP | 6.2M | $618.3M | 0.1% | 2.9% | -17.3% |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | 6.1M | $603.7M | 0.0% | 2.8% | +8.0% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 5.2M | $522.1M | 0.0% | 2.5% | -49.5% |
| 6 | Carmignac GestionNEW | 3.9M | $386.4M | 5.0% | 1.8% | new |
| 7 | Capital World Investors | 2.3M | $230.6M | 0.0% | 1.1% | +5.2% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 2.1M | $209.2M | 0.0% | 1% | -0.7% |
| 9 | NORDEA INVESTMENT MANAGEMENT AB | 1.7M | $165.1M | 0.1% | 0.8% | +2.4% |
| 10 | MORGAN STANLEY | 1.7M | $167.9M | 0.0% | 0.8% | -1.1% |
| 11 | BESSEMER GROUP INC | 1.6M | $159,854 | 0.2% | 0.8% | -1.4% |
| 12 | NORGES BANKNEW | 1.5M | $153.9M | 0.0% | 0.7% | new |
| 13 | MILLENNIUM MANAGEMENT LLC | 1.4M | $142.3M | 0.1% | 0.7% | -27.5% |
| 14 | CITADEL ADVISORS LLC | 1.4M | $139.4M | 0.0% | 0.7% | +99.8% |
| 15 | MARSHALL WACE, LLP | 1.3M | $127.8M | 0.1% | 0.6% | +239.9% |
| 16 | FRANKLIN RESOURCES INC | 1.2M | $116.3M | 0.0% | 0.5% | -14.1% |
| 17 | Artisan Partners Limited Partnership | 1.2M | $114.8M | 0.2% | 0.5% | +117.0% |
| 18 | D. E. Shaw & Co., Inc. | 1.1M | $111.7M | 0.1% | 0.5% | +191.5% |
| 19 | Sixth Street Partners Management Company, L.P.NEW | 1.1M | $105.4M | 18.2% | 0.5% | new |
| 20 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.1M | $105.4M | 0.0% | 0.5% | +6.9% |
| 21 | BANK OF AMERICA CORP /DE/ | 1.0M | $100.5M | 0.0% | 0.5% | +22.3% |
| 22 | AMERICAN CENTURY COMPANIES INC | 938,665 | $93.5M | 0.0% | 0.4% | -2.1% |
| 23 | Capital International Investors | 931,495 | $92.8M | 0.0% | 0.4% | +0.2% |
| 24 | Qube Research & Technologies Ltd | 828,654 | $82.6M | 0.1% | 0.4% | +251.2% |
| 25 | TWO SIGMA INVESTMENTS, LP | 821,500 | $81.9M | 0.1% | 0.4% | +172.7% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.