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Jim Simons's Tradeweb Markets Inc. (TW) position

Yes: as of Q1 2026, Jim Simons holds 409K shares of TW worth $48M (0.1% of the disclosed portfolio). Last quarter the position was reduced by 31.0%. First disclosed Q3 2021.
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Current value
$48M
Shares held
409K
% of portfolio
0.1%
Est. average buy price (i)
$107.03
Quarter-end price
$117.66

Estimated trade prices

Average price in quarters with purchases
$101.25
Average prices in quarters with sales
  • Q1 2026: $114.46 (184K shares sold)
  • Q4 2025: $107.35 (1.1M shares sold)
  • Q3 2025: $128.54 (103K shares sold)
  • Q2 2025: $139.53 (60K shares sold)
  • Q2 2023: $70.83 (50K shares sold)
  • Q1 2023: $72.42 (55K shares sold)
  • Q4 2022: $58.78 (264K shares sold)

TW price vs Simons's position

1Y 3Y 5Y MAX
Dates
$50$100$150202420252026Added 110K shares (71.4%) · Q3 2023. Average closing price $79.71 · Price range $65.60–$86.60110KsharespurchasedAdded 395K shares (149.1%) · Q4 2023. Average closing price $89.28 · Price range $79.82–$96.90395KsharespurchasedAdded 164K shares (24.8%) · Q1 2024. Average closing price $100.53 · Price range $88.97–$107.21164KsharespurchasedAdded 254K shares (30.8%) · Q2 2024. Average closing price $105.67 · Price range $99.75–$113.32254KsharespurchasedAdded 103K shares (9.5%) · Q3 2024. Average closing price $113.31 · Price range $104.25–$123.67103KsharespurchasedAdded 223K shares (18.9%) · Q4 2024. Average closing price $131.89 · Price range $124.85–$136.32223KsharespurchasedAdded 406K shares (28.9%) · Q1 2025. Average closing price $132.91 · Price range $123.42–$148.46406KsharespurchasedSold 60K shares (3.3%) · Q2 2025. Average closing price $139.53 · Price range $125.37–$149.0260KsharessoldSold 103K shares (5.9%) · Q3 2025. Average closing price $128.54 · Price range $110.50–$146.12103KsharessoldSold 1.1M shares (64.0%) · Q4 2025. Average closing price $107.35 · Price range $103.46–$110.951.1MsharessoldSold 184K shares (31.0%) · Q1 2026. Average closing price $114.46 · Price range $99.48–$126.57184Ksharessold← Earlier —5 purchases, 3 sells
Average closing price · filing quarter
$114.46
Price range · filing quarter
$99.48 – $126.57
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Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Reduced −184K −$21M −31.0% 409K May 14, 2026
Q4 2025 Reduced −1.1M −$113M −64.0% 593K Feb 12, 2026
Q3 2025 Reduced −103K −$13M −5.9% 1.6M Nov 13, 2025
Q2 2025 Reduced −60K −$8.3M −3.3% 1.7M Aug 13, 2025
Q1 2025 Added +406K +$54M +28.9% 1.8M May 14, 2025
Q4 2024 Added +223K +$29M +18.9% 1.4M Feb 13, 2025
Q3 2024 Added +103K +$12M +9.5% 1.2M Nov 13, 2024
Q2 2024 Added +254K +$27M +30.8% 1.1M Aug 9, 2024
Q1 2024 Added +164K +$16M +24.8% 823K May 13, 2024
Q4 2023 Added +395K +$35M +149.1% 660K Feb 13, 2024
Q3 2023 Added +110K +$8.8M +71.4% 265K Nov 14, 2023
Q2 2023 Reduced −50K −$3.5M −24.5% 154K Aug 11, 2023
Q1 2023 Reduced −55K −$4.0M −21.2% 205K May 12, 2023
Q4 2022 Reduced −264K −$16M −50.4% 260K Feb 13, 2023
Q3 2022 Added +251K +$17M +91.8% 524K Nov 14, 2022
Q2 2022 Added +191K +$14M +231.8% 273K Aug 12, 2022
Q1 2022 Added +51K +$4.4M +164.6% 82K May 13, 2022
Q4 2021 Added +28K +$2.6M +1,096.2% 31K Feb 11, 2022
Q3 2021 New +3K +$224K – 3K Nov 12, 2021
Data through Q1 2026 · filed May 14, 2026
19 grouped rows from 19 quarters

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Common questions

Does Jim Simons own TW?

Yes. As of Q1 2026, Jim Simons disclosed 409K shares of TW, worth $48M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Jim Simons buy TW?

Jim Simons first disclosed a TW position in Q3 2021; every quarterly buy and sell since is in the table above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

Did Jim Simons sell TW?

The quarter-by-quarter table above shows each sale and reduction Jim Simons disclosed in TW. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How many shares of TW does Jim Simons own?

Jim Simons disclosed 409K shares of TW as of Q1 2026. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

What price did Jim Simons pay for TW?

Jim Simons's estimated average buy price for TW is $107.03, from quarter-average prices weighted by the shares added each quarter. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How are the estimated trade prices calculated?

13F filings disclose quarter-end holdings, not trade dates or execution prices. These estimates use each covered quarter's average market price; the add average excludes the opening position and quarters without price data. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.