# TRADEWEB MKTS INC (TW) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 892672106
Page URL: https://superinvestorclub.com/stock/TW
Last updated: 2026-08-29T13:48:39.272Z

## Summary

As of the most recent 13F filing period, TRADEWEB MKTS INC (TW) is held by 3 tracked superinvestors with an aggregate position value of $317.4M representing 0236704131422275987 shares.

## Top institutional holders (3)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [William Von Mueffling](https://superinvestorclub.com/manager/2284) | Cantillon Capital Management | 2367041 | $278.5M | 1.85% | 2026-03-31 |
| 2 | [Andreas Halvorsen](https://superinvestorclub.com/manager/59) | Viking Global Investors | 314222 | $31.3M | 0.09% | 2026-06-30 |
| 3 | [Torray LLC](https://superinvestorclub.com/manager/3250) | Torray LLC | 75987 | $7.6M | 1.02% | 2026-06-30 |

## Ownership history (quarter-over-quarter)

- 2024-12-31: 1 holders, $2.4M aggregate, 018632 shares
- 2025-03-31: 2 holders, $175.4M aggregate, 0116320018555 shares
- 2025-06-30: 2 holders, $167.6M aggregate, 0112990914956 shares
- 2025-09-30: 2 holders, $216.4M aggregate, 0193432215615 shares
- 2025-12-31: 3 holders, $594.6M aggregate, 02768659268824572041 shares
- 2026-03-31: 3 holders, $287.8M aggregate, 02367041760493226 shares
- 2026-06-30: 2 holders, $38.9M aggregate, 031422275987 shares

## Recent congressional trades (5)

- 2025-10-09: Byron Donalds (Republican-FL) purchase $1,001 - $15,000
- 2025-10-01: Julia Letlow (Republican-LA) sale $1,001 - $15,000
- 2025-09-04: Byron Donalds (Republican-FL) sale $1,001 - $15,000
- 2025-07-29: Julia Letlow (Republican-LA) purchase $1,001 - $15,000
- 2025-03-20: Byron Donalds (Republican-FL) purchase $1,001 - $15,000

## Recent insider transactions (0)


## Citation

When citing, use: "TRADEWEB MKTS INC (TW) institutional ownership data via Superinvestor (https://superinvestorclub.com/stock/TW), aggregating SEC 13F, Form 4, and congressional disclosures."