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Jim Simons's Merit Medical Systems, Inc. (MMSI) position

Yes: as of Q1 2026, Jim Simons holds 314K shares of MMSI worth $22M (0.0% of the disclosed portfolio). Last quarter the position was increased by 149.0%. First disclosed Q2 2021.
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Current value
$22M
Shares held
314K
% of portfolio
0.0%
Est. average buy price (i)
$81.72
Quarter-end price
$68.93

Estimated trade prices

Average price in quarters with purchases
$79.04
Average prices in quarters with sales
  • Q3 2025: $87.09 (96K shares sold)
  • Q3 2024: $91.50 (2K shares sold)
  • Q2 2024: $78.64 (18K shares sold)
  • Q3 2023: $71.96 (25K shares sold)
  • Q2 2023: $81.34 (8K shares sold)

MMSI price vs Simons's position

1Y 3Y 5Y MAX
Dates
$60$80$100$120202420252026Sold 25K shares (44.5%) · Q3 2023. Average closing price $71.96 · Price range $63.36–$84.7325KsharessoldNew position of 114K shares · Q1 2024. Average closing price $77.20 · Price range $71.86–$81.25114KsharespurchasedSold 18K shares (16.0%) · Q2 2024. Average closing price $78.64 · Price range $70.99–$85.9518KsharessoldSold 2K shares (2.2%) · Q3 2024. Average closing price $91.50 · Price range $84.12–$100.232KsharessoldAdded 15K shares (16.5%) · Q4 2024. Average closing price $99.66 · Price range $93.76–$105.5215KsharespurchasedAdded 58K shares (53.3%) · Q1 2025. Average closing price $103.16 · Price range $95.64–$110.2958KsharespurchasedAdded 4K shares (2.6%) · Q2 2025. Average closing price $94.75 · Price range $88.48–$107.044KsharespurchasedSold 96K shares (56.2%) · Q3 2025. Average closing price $87.09 · Price range $80.06–$96.0196KsharessoldAdded 51K shares (68.5%) · Q4 2025. Average closing price $85.11 · Price range $78.99–$89.3951KsharespurchasedAdded 188K shares (149.0%) · Q1 2026. Average closing price $78.11 · Price range $66.71–$93.18188Ksharespurchased← Earlier —4 purchases, 1 sell
Average closing price · filing quarter
$78.11
Price range · filing quarter
$66.71 – $93.18
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Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Added +188K +$15M +149.0% 314K May 14, 2026
Q4 2025 Added +51K +$4.4M +68.5% 126K Feb 12, 2026
Q3 2025 Reduced −96K −$8.4M −56.2% 75K Nov 13, 2025
Q2 2025 Added +4K +$407K +2.6% 171K Aug 13, 2025
Q1 2025 Added +58K +$6.0M +53.3% 167K May 14, 2025
Q4 2024 Added +15K +$1.5M +16.5% 109K Feb 13, 2025
Q3 2024 Reduced −2K −$192K −2.2% 93K Nov 13, 2024
Q2 2024 Reduced −18K −$1.4M −16.0% 95K Aug 9, 2024
Q1 2024 New +114K +$8.8M – 114K May 13, 2024
Q3 2023 Reduced −25K −$1.8M −44.5% 31K Nov 14, 2023
Q2 2023 Reduced −8K −$634K −12.3% 56K Aug 11, 2023
Q1 2023 New +64K +$4.5M – 64K May 12, 2023
Q2 2022 New +25K +$1.6M – 25K Aug 12, 2022
Q3 2021 Added +26K +$1.8M +114.9% 49K Nov 12, 2021
Q2 2021 New +23K +$1.4M – 23K Aug 13, 2021
Data through Q1 2026 · filed May 14, 2026
15 grouped rows from 15 quarters

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Common questions

Does Jim Simons own MMSI?

Yes. As of Q1 2026, Jim Simons disclosed 314K shares of MMSI, worth $22M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Jim Simons buy MMSI?

Jim Simons first disclosed a MMSI position in Q2 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 MMSI?

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

How many shares of MMSI does Jim Simons own?

Jim Simons disclosed 314K shares of MMSI 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 MMSI?

Jim Simons's estimated average buy price for MMSI is $81.72, 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.