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Jim Simons's Merck & Co., Inc. (MRK) position

Not anymore: Jim Simons fully exited MRK in Q3 2025. The position peaked at $617M in Q2 2022.
View full portfolio →
Value at exit
$11M
Shares at exit
140K
Est. average buy price (i)
$115.39
est. since Q1 2021
Quarter-end price
$79.16

Estimated trade prices

Average price in quarters with purchases
$88.37
Average prices in quarters with sales
  • Q2 2025: $79.49 (82K shares sold)
  • Q1 2025: $93.37 (1.2M shares sold)
  • Q2 2024: $128.81 (195K shares sold)
  • Q4 2023: $103.80 (248K shares sold)
  • Q3 2023: $107.78 (601K shares sold)
  • Q2 2023: $113.54 (1.7M shares sold)
  • Q4 2022: $102.22 (2.9M shares sold)
  • Q3 2022: $89.27 (2.2M shares sold)
  • Q4 2021: $79.65 (1.3M shares sold)

MRK price vs Simons's position

Dates
$50$100$15020222023202420252026Added 740K shares (97.5%) · Q3 2021. Average closing price $76.05 · Price range $71.68–$78.83740KsharespurchasedSold 1.3M shares (87.7%) · Q4 2021. Average closing price $79.65 · Price range $72.28–$90.541.3MsharessoldAdded 4.9M shares (over 1,000%) · Q1 2022. Average closing price $78.84 · Price range $73.51–$82.404.9MsharespurchasedAdded 1.7M shares (32.6%) · Q2 2022. Average closing price $88.65 · Price range $83.49–$94.641.7MsharespurchasedSold 2.2M shares (32.5%) · Q3 2022. Average closing price $89.27 · Price range $84.53–$94.962.2MsharessoldSold 2.9M shares (63.2%) · Q4 2022. Average closing price $102.22 · Price range $87.44–$112.122.9MsharessoldAdded 969K shares (57.7%) · Q1 2023. Average closing price $107.97 · Price range $102.94–$114.84969KsharespurchasedSold 1.7M shares (63.5%) · Q2 2023. Average closing price $113.54 · Price range $108.61–$118.381.7MsharessoldSold 601K shares (62.0%) · Q3 2023. Average closing price $107.78 · Price range $102.95–$114.33601KsharessoldSold 248K shares (67.4%) · Q4 2023. Average closing price $103.80 · Price range $100.18–$109.02248KsharessoldAdded 80K shares (67.1%) · Q1 2024. Average closing price $123.26 · Price range $113.24–$131.9580KsharespurchasedSold 195K shares (97.5%) · Q2 2024. Average closing price $128.81 · Price range $123.80–$132.96195KsharessoldAdded 1.1M shares (over 1,000%) · Q3 2024. Average closing price $118.80 · Price range $111.15–$128.971.1MsharespurchasedAdded 296K shares (27.2%) · Q4 2024. Average closing price $103.09 · Price range $96.31–$114.74296KsharespurchasedSold 1.2M shares (84.0%) · Q1 2025. Average closing price $93.37 · Price range $83.01–$101.021.2MsharessoldSold 82K shares (36.9%) · Q2 2025. Average closing price $79.49 · Price range $73.47–$87.1282Ksharessold← Earlier —1 purchase
Average closing price · filing quarter
$79.49
Price range · filing quarter
$73.47 – $87.12

Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q3 2025 Exited −140K −$12M −100.0% 0 Nov 13, 2025
Q2 2025 Reduced −82K −$6.5M −36.9% 140K Aug 13, 2025
Q1 2025 Reduced −1.2M −$108M −84.0% 222K May 14, 2025
Q4 2024 Added +296K +$30M +27.2% 1.4M Feb 13, 2025
Q3 2024 Added +1.1M +$128M +21,993.1% 1.1M Nov 13, 2024
Q2 2024 Reduced −195K −$25M −97.5% 5K Aug 9, 2024
Q1 2024 Added +80K +$9.9M +67.1% 200K May 13, 2024
Q4 2023 Reduced −248K −$26M −67.4% 120K Feb 13, 2024
Q3 2023 Reduced −601K −$65M −62.0% 368K Nov 14, 2023
Q2 2023 Reduced −1.7M −$191M −63.5% 968K Aug 11, 2023
Q1 2023 Added +969K +$105M +57.7% 2.6M May 12, 2023
Q4 2022 Reduced −2.9M −$295M −63.2% 1.7M Feb 13, 2023
Q3 2022 Reduced −2.2M −$196M −32.5% 4.6M Nov 14, 2022
Q2 2022 Added +1.7M +$148M +32.6% 6.8M Aug 12, 2022
Q1 2022 Added +4.9M +$388M +2,671.4% 5.1M May 13, 2022
Q4 2021 Reduced −1.3M −$105M −87.7% 184K Feb 11, 2022
Q3 2021 Added +740K +$56M +97.5% 1.5M Nov 12, 2021
Q2 2021 Added +251K +$19M +49.5% 759K Aug 13, 2021
Q1 2021 First covered 507K May 13, 2021
Data through Q3 2025 · filed Nov 13, 2025
19 grouped rows from 19 quarters

More Simons positions

Common questions

Does Jim Simons own MRK?

Not currently. Jim Simons fully exited MRK in Q3 2025, and the complete history is above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Jim Simons buy MRK?

Jim Simons held MRK since at least Q1 2021, when this filing coverage begins; the opening snapshot is not a disclosed purchase. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

Did Jim Simons sell MRK?

Yes. Jim Simons reduced and then fully exited MRK by Q3 2025; the reductions are in the table above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How many shares of MRK does Jim Simons own?

None as of the latest filing: Jim Simons has exited MRK. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

What price did Jim Simons pay for MRK?

Jim Simons began building the MRK position before our 13F history starts, so an exact average buy price cannot be estimated without understating it. 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.