Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in TW held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | WELLINGTON MANAGEMENT GROUP LLP | 7.5M | $882.9M | -19.7% | 3.521% | 0.16% |
| 2 | BlackRock, Inc. | 6.8M | $803.5M | -0.2% | 3.204% | 0.01% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 5.6M | $660.1M | — | 2.632% | 0.03% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 5.2M | $610.7M | — | 2.436% | 0.02% |
| 5 | AQR CAPITAL MANAGEMENT LLC | 2.9M | $340.8M | +56.1% | 1.359% | 0.16% |
| 6 | Linonia Partnership LP | 2.8M | $328.4M | — | 1.310% | 6.10% |
| 7 | STATE STREET CORP | 2.7M | $323.0M | +1.5% | 1.288% | 0.01% |
| 8 | Grantham, Mayo, Van Otterloo & Co. LLC | 2.7M | $311.9M | +5.2% | 1.244% | 0.80% |
| 9 | CANTILLON CAPITAL MANAGEMENT LLC | 2.4M | $278.5M | -11.9% | 1.111% | 1.85% |
| 10 | Capital World Investors | 2.2M | $258.7M | +5.9% | 1.032% | 0.04% |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | 2.1M | $248.7M | +2.0% | 0.995% | 0.02% |
| 12 | MILLENNIUM MANAGEMENT LLC | 2.0M | $231.6M | +434.6% | 0.924% | 0.15% |
| 13 | UBS Group AG | 1.9M | $226.9M | +104.0% | 0.905% | 0.03% |
| 14 | MORGAN STANLEY | 1.7M | $200.5M | -0.6% | 0.799% | 0.01% |
| 15 | NORDEA INVESTMENT MANAGEMENT AB | 1.6M | $194.4M | +1.7% | 0.774% | 0.18% |
| 16 | Ninety One UK Ltd | 1.6M | $187.1M | -1.9% | 0.746% | 0.43% |
| 17 | Champlain Investment Partners, LLC | 1.5M | $172.9M | +20.8% | 0.690% | 2.19% |
| 18 | FRANKLIN RESOURCES INC | 1.4M | $159.8M | -37.4% | 0.637% | 0.04% |
| 19 | JUPITER ASSET MANAGEMENT LTD | 1.1M | $130.9M | — | 0.532% | 0.70% |
| 20 | HARDING LOEVNER LP | 1.1M | $127.7M | -3.2% | 0.509% | 1.31% |
| 21 | KENSICO CAPITAL MANAGEMENT CORP | 1.0M | $118.6M | +38.4% | 0.473% | 2.42% |
| 22 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 989K | $116.4M | +6.1% | 0.464% | 0.02% |
| 23 | AMERICAN CENTURY COMPANIES INC | 959K | $112.9M | -32.0% | 0.450% | 0.06% |
| 24 | Capital International Investors | 929K | $109.4M | -26.2% | 0.436% | 0.03% |
| 25 | BANK OF AMERICA CORP /DE/ | 825K | $97.0M | +40.8% | 0.387% | 0.01% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in TW — a direct measure of their conviction.
Filings activity in TW during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 569 | +5.0% | 49.68% | +2.87 pp | $10.71B | +6.1% |
| Q4 2025 | 542 | +2.5% | 46.81% | 2.06 pp | $10.09B | 4.2% |
| Q3 2025 | 529 | 6.2% | 48.87% | 19.18 pp | $10.54B | 28% |
| Q2 2025 | 564 | +5.2% | 68.05% | 101.19 pp | $14.67B | 60% |
| Q1 2025 | 536 | +4.5% | 169.24% | +110.14 pp | $36.50B | +186% |
| Q4 2024 | 513 | +17% | 59.10% | +5.17 pp | $12.74B | +9.6% |
| Q3 2024 | 437 | +2.1% | 53.93% | +7.32 pp | $11.63B | +16% |
| Q2 2024 | 428 | — | 46.61% | — | $10.05B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying TW stock.
Based on Q1 2026 13F filings, institutional ownership of Tradeweb Markets Inc. stands at 49.7%, held across 569 reporting institutions.
WELLINGTON MANAGEMENT GROUP LLP is the largest reported institutional holder of TW, with approximately 7,504,175 shares worth $0.88B as of Q1 2026.
Yes — 1 widely-followed marquee investor appear among the top 25 institutional holders of TW, including MILLENNIUM MANAGEMENT LLC.
Our composite Smart Money Score for TW is 65 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
101 institutions opened new positions in TW during Q1 2026, while 74 fully exited. 351 added to existing positions and 111 trimmed.
TW institutional ownership rose by 2.87 percentage points quarter-over-quarter, with a net change of +27 holders.
The top 10 institutions account for 44.8% of all reported 13F value in TW, and the top 25 account for 67.5%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Tradeweb Markets Inc. (TW) Institutional Ownership