Tradeweb Markets Inc.
US ˙ NasdaqGS ˙ US8926721064

SecurityTW / Tradeweb Markets Inc.
InstitutionCerity Partners LLC
Latest Disclosed Ownership82,048 shares
Latest Disclosed Value $ 9,653,784
Cerity Partners LLC reports 87.06% increase in ownership of TW / Tradeweb Markets Inc.

On May 15, 2026 - Cerity Partners LLC filed a 13F-HR form disclosing ownership of 82,048 shares of Tradeweb Markets Inc. (US:TW) valued at $9,653,768 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 11, 2026 disclosing 43,863 shares of Tradeweb Markets Inc.. This represents a change in shares of 87.06% during the quarter. The current value of the position is $8,253,208 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-15 2026-03-31 13F TRADEWEB MKTS CL A 892672106 82,048 38,185 87.06 9,654 104.64 0.0068
2026-02-11 2025-12-31 13F TRADEWEB MKTS CL A 892672106 43,863 27,930 175.30 4,717 166.80 0.0069
2025-10-22 2025-09-30 13F TRADEWEB MKTS COM 892672106 15,933 7,927 99.01 1,768 50.85 0.0029
2025-08-13 2025-06-30 13F TRADEWEB MKTS Stock 892672106 8,006 443 5.86 1,172 4.46 0.0021
2025-04-30 2025-03-31 13F TRADEWEB MKTS Stock 892672106 7,563 783 11.55 1,123 30.62 0.0023
2025-02-13 2024-12-31 13F TRADEWEB MKTS Stock 892672106 6,780 2,019 42.41 859 46.09 0.0019
2024-11-12 2024-09-30 13F TRADEWEB MKTS Stock 892672106 4,761 444 10.28 589 28.67 0.0013
2024-08-13 2024-06-30 13F TRADEWEB MKTS Stock 892672106 4,317 -346 -7.42 458 -5.77 0.0012
2024-05-14 2024-03-31 13F TRADEWEB MKTS Stock 892672106 4,663 4,663 486 0.0013
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.