Ranked by reported Q2 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 | BlackRock, Inc. | 6.9M | $685.9M | +0.8% | 3.233% | 0.01% |
| 2 | WELLINGTON MANAGEMENT GROUP LLP | 6.2M | $618.3M | -17.3% | 2.914% | 0.11% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 6.1M | $603.7M | +8.0% | 2.845% | 0.03% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 5.2M | $522.1M | +0.9% | 2.461% | 0.01% |
| 5 | Carmignac Gestion | 3.9M | $386.4M | — | 1.821% | 5.01% |
| 6 | STATE STREET CORP | 2.8M | $279.8M | +2.3% | 1.319% | 0.00% |
| 7 | AQR CAPITAL MANAGEMENT LLC | 2.8M | $272.4M | -3.7% | 1.310% | 0.09% |
| 8 | Grantham, Mayo, Van Otterloo & Co. LLC | 2.7M | $265.4M | +0.5% | 1.251% | 0.60% |
| 9 | Capital World Investors | 2.3M | $230.6M | +5.2% | 1.087% | 0.03% |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | 2.1M | $209.2M | -0.7% | 0.989% | 0.01% |
| 11 | MORGAN STANLEY | 1.7M | $167.9M | -1.1% | 0.792% | 0.01% |
| 12 | NORDEA INVESTMENT MANAGEMENT AB | 1.7M | $165.1M | +2.4% | 0.793% | 0.13% |
| 13 | NORGES BANK | 1.5M | $153.9M | — | 0.726% | 0.02% |
| 14 | MILLENNIUM MANAGEMENT LLC | 1.4M | $142.3M | -27.5% | 0.671% | 0.05% |
| 15 | CITADEL ADVISORS LLC | 1.4M | $141.9M | +83.5% | 0.669% | 0.01% |
| 16 | Ninety One UK Ltd | 1.3M | $133.8M | -15.6% | 0.631% | 0.30% |
| 17 | MARSHALL WACE, LLP | 1.3M | $127.8M | +239.9% | 0.603% | 0.10% |
| 18 | FRANKLIN RESOURCES INC | 1.2M | $116.3M | -14.1% | 0.548% | 0.03% |
| 19 | Artisan Partners Limited Partnership | 1.2M | $114.8M | +117.0% | 0.541% | 0.18% |
| 20 | D. E. Shaw & Co., Inc. | 1.1M | $111.7M | +191.5% | 0.527% | 0.05% |
| 21 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.1M | $105.4M | +6.9% | 0.497% | 0.01% |
| 22 | JUPITER ASSET MANAGEMENT LTD | 1.1M | $105.2M | +1.4% | 0.540% | 0.52% |
| 23 | BANK OF AMERICA CORP /DE/ | 1.0M | $100.5M | +22.3% | 0.474% | 0.01% |
| 24 | KENSICO CAPITAL MANAGEMENT CORP | 1.0M | $100.1M | -0.3% | 0.472% | 1.72% |
| 25 | AMERICAN CENTURY COMPANIES INC | 939K | $93.5M | -2.1% | 0.441% | 0.04% |
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 Q2 2026, grouped by how each filer changed its position.
Institutions that opened a new TW position in Q2 2026
Institutions that fully closed their TW position in Q2 2026
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 |
|---|---|---|---|---|---|---|
| Q2 2026 | 566 | 2.1% | 54.96% | +1.63 pp | $9.42B | 15% |
| Q1 2026 | 578 | +6.1% | 53.33% | 0.64 pp | $11.04B | +9.3% |
| Q4 2025 | 545 | +2.3% | 53.97% | +0.55 pp | $10.10B | 4.2% |
| Q3 2025 | 533 | 5.5% | 53.42% | 0.70 pp | $10.55B | 28% |
| Q2 2025 | 564 | +5.2% | 54.12% | 60.23 pp | $14.67B | 60% |
| Q1 2025 | 536 | +4.5% | 114.35% | +61.47 pp | $36.50B | +186% |
| Q4 2024 | 513 | +17% | 52.88% | 0.11 pp | $12.74B | +9.6% |
| Q3 2024 | 437 | — | 52.99% | — | $11.63B | — |
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 Q2 2026 13F filings, institutional ownership of Tradeweb Markets Inc. stands at 55.0%, held across 566 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of TW, with approximately 6,882,278 shares worth $0.69B as of Q2 2026.
Yes — 2 widely-followed marquee investors appear among the top 25 institutional holders of TW, including MILLENNIUM MANAGEMENT LLC, CITADEL ADVISORS LLC.
Our composite Smart Money Score for TW is 59 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
63 institutions opened new positions in TW during Q2 2026, while 84 fully exited. 119 added to existing positions and 365 trimmed.
TW institutional ownership rose by 1.63 percentage points quarter-over-quarter, with a net change of -12 holders.
The top 10 institutions account for 43.3% of all reported 13F value in TW, and the top 25 account for 63.2%.
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