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Jim Simons's Arch Capital Group Ltd. (ACGL) position

Not anymore: Jim Simons fully exited ACGL in Q4 2025. The position peaked at $21M in Q3 2024.
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Value at exit
$12M
Shares at exit
136K
Est. average buy price (i)
$89.70
Quarter-end price
$90.27

Estimated trade prices

Average price in quarters with purchases
$77.66
Average prices in quarters with sales
  • Q4 2024: $100.95 (46K shares sold)
  • Q1 2022: $46.49 (246K shares sold)
  • Q4 2021: $42.43 (227K shares sold)

ACGL price vs Simons's position

Dates
$30$100$15020222023202420252026Added 56K shares (12.7%) · Q3 2021. Average closing price $39.61 · Price range $36.82–$42.1056KsharespurchasedSold 227K shares (45.7%) · Q4 2021. Average closing price $42.43 · Price range $38.18–$44.60227KsharessoldSold 246K shares (91.2%) · Q1 2022. Average closing price $46.49 · Price range $44.07–$48.56246KsharessoldAdded 41K shares (173.0%) · Q2 2022. Average closing price $46.36 · Price range $42.23–$49.9641KsharespurchasedNew position of 54K shares · Q4 2023. Average closing price $81.72 · Price range $73.42–$90.0054KsharespurchasedNew position of 41K shares · Q2 2024. Average closing price $97.24 · Price range $89.76–$103.3641KsharespurchasedAdded 142K shares (344.8%) · Q3 2024. Average closing price $104.00 · Price range $94.47–$114.22142KsharespurchasedSold 46K shares (25.1%) · Q4 2024. Average closing price $100.95 · Price range $88.71–$114.8646KsharessoldNew position of 136K shares · Q3 2025. Average closing price $89.70 · Price range $85.61–$94.22136Ksharespurchased← Earlier —1 purchase
Average closing price · filing quarter
$89.70
Price range · filing quarter
$85.61 – $94.22

Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q4 2025 Exited −136K −$12M −100.0% 0 Feb 12, 2026
Q3 2025 New +136K +$12M 136K Nov 13, 2025
Q4 2024 Reduced −46K −$4.7M −25.1% 138K Feb 13, 2025
Q3 2024 Added +142K +$15M +344.8% 184K Nov 13, 2024
Q2 2024 New +41K +$4.0M 41K Aug 9, 2024
Q4 2023 New +54K +$4.5M 54K Feb 13, 2024
Q2 2022 Added +41K +$1.9M +173.0% 65K Aug 12, 2022
Q1 2022 Reduced −246K −$11M −91.2% 24K May 13, 2022
Q4 2021 Reduced −227K −$9.6M −45.7% 270K Feb 11, 2022
Q3 2021 Added +56K +$2.2M +12.7% 496K Nov 12, 2021
Q2 2021 Added +79K +$3.1M +21.9% 440K Aug 13, 2021
Q1 2021 First covered 361K May 13, 2021
Data through Q4 2025 · filed Feb 12, 2026
12 grouped rows from 12 quarters

More Simons positions

Common questions

Does Jim Simons own ACGL?

Not currently. Jim Simons fully exited ACGL in Q4 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 ACGL?

Jim Simons held ACGL 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 ACGL?

Yes. Jim Simons reduced and then fully exited ACGL by Q4 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 ACGL does Jim Simons own?

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

What price did Jim Simons pay for ACGL?

Jim Simons's estimated average buy price for ACGL is $89.70, 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.