Data from public SEC 13F & STOCK Act filings, delayed up to ~45 days, partial holdings only — for research, not investment advice.
TW
TRADEWEB MARKETS INC-CLASS AData as of 2026 Q1 (03-31) · 13F snapshot
Summary
TRADEWEB MARKETS INC-CLASS A (TW) is held by 9 tracked hedge-fund managers, a combined reported value of ~$741.52M; the largest are Andreas Halvorsen, Izzy Englander, Ken Griffin. This quarter: 1 new, 3 added, 1 trimmed, 2 closed. 8 members of Congress have disclosed STOCK Act trades. Data as of 2026 Q1, from public SEC 13F filings, delayed up to ~45 days.
Attention · HighThis quarter · Mixed
Gurus holding9
Congress trades8
Price$101.19vs quarter-end-14.00%
Sectors0
This quarter's moves
Top holderAndreas HalvorsenNew1
Added3
Trimmed / sold3
Value $297.74M0.8% of portfolio2,768,6592025 Q4
Value $4.72M— of portfolio40,1002026 Q1
Value $4.22M— of portfolio35,9002026 Q1
Value $1.30M— of portfolio16,2002023 Q3
Value $1.28M— of portfolio16,0002023 Q3
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Andreas Halvorsen | $297.74M | 0.8% | New |
| Ken GriffinCALL | $4.72M | — | — |
| Ken GriffinPUT | $4.22M | — | — |
| Izzy EnglanderPUT | $1.30M | — | — |
| Izzy EnglanderCALL | $1.28M | — | — |