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Jim Simons's T-Mobile US, Inc. (TMUS) position

Yes: as of Q1 2026, Jim Simons holds 281K shares of TMUS worth $59M (0.1% of the disclosed portfolio). Last quarter the position was reduced by 74.1%. First disclosed Q3 2021.
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Current value
$59M
Shares held
281K
% of portfolio
0.1%
Est. average buy price (i)
$219.53
Quarter-end price
$210.03

Estimated trade prices

Average price in quarters with purchases
$188.83
Average prices in quarters with sales
  • Q1 2026: $205.43 (803K shares sold)
  • Q3 2025: $242.13 (186K shares sold)
  • Q2 2024: $167.70 (418K shares sold)

TMUS price vs Simons's position

1Y 3Y 5Y MAX
Dates
$100$150$200$250$30020222023202420252026New position of 655K shares · Q3 2021. Average closing price $139.28 · Price range $124.90–$149.41655KsharespurchasedNew position of 434K shares · Q1 2024. Average closing price $162.76 · Price range $160.41–$167.42434KsharespurchasedSold 418K shares (96.2%) · Q2 2024. Average closing price $167.70 · Price range $159.79–$180.69418KsharessoldNew position of 193K shares · Q1 2025. Average closing price $246.50 · Price range $211.30–$272.83193KsharespurchasedAdded 240K shares (124.5%) · Q2 2025. Average closing price $244.15 · Price range $220.99–$268.54240KsharespurchasedSold 186K shares (43.0%) · Q3 2025. Average closing price $242.13 · Price range $226.02–$259.60186KsharessoldAdded 837K shares (339.5%) · Q4 2025. Average closing price $211.97 · Price range $195.16–$233.26837KsharespurchasedSold 803K shares (74.1%) · Q1 2026. Average closing price $205.43 · Price range $183.60–$222.25803Ksharessold
Average closing price · filing quarter
$205.43
Price range · filing quarter
$183.60 – $222.25
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Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Reduced −803K −$165M −74.1% 281K May 14, 2026
Q4 2025 Added +837K +$177M +339.5% 1.1M Feb 12, 2026
Q3 2025 Reduced −186K −$45M −43.0% 247K Nov 13, 2025
Q2 2025 Added +240K +$59M +124.5% 433K Aug 13, 2025
Q1 2025 New +193K +$48M – 193K May 14, 2025
Q2 2024 Reduced −418K −$70M −96.2% 17K Aug 9, 2024
Q1 2024 New +434K +$71M – 434K May 13, 2024
Q3 2021 New +655K +$91M – 655K Nov 12, 2021
Data through Q1 2026 · filed May 14, 2026
8 grouped rows from 8 quarters

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Common questions

Does Jim Simons own TMUS?

Yes. As of Q1 2026, Jim Simons disclosed 281K shares of TMUS, worth $59M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Jim Simons buy TMUS?

Jim Simons first disclosed a TMUS 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 TMUS?

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

How many shares of TMUS does Jim Simons own?

Jim Simons disclosed 281K shares of TMUS 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 TMUS?

Jim Simons's estimated average buy price for TMUS is $219.53, 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.