Tradeweb Markets Inc.
US ˙ NasdaqGS ˙ US8926721064

SecurityTW / Tradeweb Markets Inc.
InstitutionAmalgamated Bank
Latest Disclosed Ownership6,007 shares
Latest Disclosed Value $ 707
Amalgamated Bank reports 3.55% decrease in ownership of TW / Tradeweb Markets Inc.

On May 8, 2026 - Amalgamated Bank filed a 13F-HR form disclosing ownership of 6,007 shares of Tradeweb Markets Inc. (US:TW) valued at $706,784 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 5, 2026 disclosing 6,228 shares of Tradeweb Markets Inc.. The current value of the position is $604,244 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)
2026-05-08 2026-03-31 13F TRADEWEB MARKETS INC CL-A COM 892672106 6,007 -221 -3.55 1 0.0054
2026-02-05 2025-12-31 13F TRADEWEB MARKETS INC CL-A COM 892672106 6,228 -1,648 -20.92 1 0.0048
2025-10-29 2025-09-30 13F TRADEWEB MARKETS INC CL-A COM 892672106 7,876 -156 -1.94 1 -100.00 0.0062
2025-08-04 2025-06-30 13F TRADEWEB MARKETS INC CL-A COM 892672106 8,032 -89 -1.10 1 0.00 0.0091
2025-04-25 2025-03-31 13F TRADEWEB MARKETS INC CL-A COM 892672106 8,121 -71 -0.87 1 0.00 0.0103
2025-02-04 2024-12-31 13F TRADEWEB MARKETS INC CL-A COM 892672106 8,192 -423 -4.91 1 0.00 0.0088
2024-10-30 2024-09-30 13F TRADEWEB MARKETS INC CL-A COM 892672106 8,615 1,615 23.07 1 0.0088
2024-08-12 2024-06-30 13F TRADEWEB MARKETS INC CL-A COM 892672106 7,000 153 2.23 1 0.0063
2024-04-23 2024-03-31 13F TRADEWEB MARKETS INC CL-A COM 892672106 6,847 -8,440 -55.21 1 -100.00 0.0061
2024-02-06 2023-12-31 13F TRADEWEB MARKETS INC CL-A COM 892672106 15,287 2,793 22.35 1 0.00 0.0111
2023-11-08 2023-09-30 13F TRADEWEB MARKETS INC CL-A COM 892672106 12,494 1,226 10.88 1 0.0085
2023-08-11 2023-06-30 13F TRADEWEB MARKETS INC CL-A COM 892672106 11,268 -546 -4.62 1 0.0062
2023-05-02 2023-03-31 13F TRADEWEB MARKETS INC CL-A COM 892672106 11,814 294 2.55 1 0.0080
2023-02-10 2022-12-31 13F TRADEWEB MARKETS INC CL-A COM 892672106 11,520 15 0.13 1 -100.00 0.0067
2022-11-09 2022-09-30 13F TRADEWEB MARKETS INC CL-A COM 892672106 11,505 15 0.13 649 -17.22 0.0063
2022-08-15 2022-06-30 13F TRADEWEB MARKETS INC CL-A COM 892672106 11,490 1,034 9.89 784 -14.69 0.0073
2022-08-25 2022-03-31 13F/A-1 TRADEWEB MARKETS INC CL-A COM 892672106 10,456 -615 -5.56 919 -17.13 0.0071
2022-06-30 2022-03-31 13F TRADEWEB MARKETS INC CL-A COM 892672106 10,456 -615 919 0.0073
2022-02-15 2021-12-31 13F/A-1 TRADEWEB MARKETS INC CL-A COM 892672106 11,071 -33 -0.30 1,109 23.63 0.0082
2022-02-15 2021-12-31 13F TRADEWEB MARKETS INC CL-A COM 892672106 11,071 -33 1,109 0.0082
2021-10-29 2021-09-30 13F TRADEWEB MARKETS INC CL-A COM 892672106 11,104 -1,007 -8.31 897 -12.40 0.0076
2021-08-16 2021-06-30 13F TRADEWEB MARKETS INC CL-A COM 892672106 12,111 7,982 193.32 1,024 234.64 0.0082
2021-05-13 2021-03-31 13F TRADEWEB MARKETS INC CL-A COM 892672106 4,129 -138 -3.23 306 15.04 0.0115
2021-02-12 2020-12-31 13F TRADEWEB MARKETS INC CL-A COM 892672106 4,267 -65 -1.50 266 5.98 0.0101
2020-10-30 2020-09-30 13F TRADEWEB MARKETS INC CL-A COM 892672106 4,332 24 0.56 251 0.40 0.0109
2020-08-10 2020-06-30 13F TRADEWEB MARKETS INC CL-A COM 892672106 4,308 4,308 250 0.0116
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.