ACGL — ARCH CAPITAL GROUP LTD - US
Public company
InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.
Sourced from SEC EDGAR public filings
Why are billionaires buying ACGL?
Built from public SEC filings and public economic data. Not a recommendation.
Why? — Evidence & Confidence ▾
Of 1 tracked investors who changed their ACGL position last quarter, 1 bought and 0 sold (100% buy-side). Macro conditions are mixed for this sector (Macro Tailwind 52/100 in a Squeeze regime). 1 congressional purchase, 0 sales disclosed in the last 6 months.
- +1 tracked investor added or increased positions last quarter (Paul Tudor Jones)
- +1 tracked investors reported holding ACGL at their latest filing
- −13F data is disclosed up to 45 days after quarter end — positions may have changed since
- · 13F disclosure lag (up to 45 days)
- · Tracked investors are a sample, not the whole market
- · Sector regime fit is a historical average, not a guarantee
Every InvestorLens score shows its evidence — including what argues against it. Model conviction-v1 · generated 8/5/2026.
About ARCH CAPITAL GROUP LTD - US (ACGL)
ARCH CAPITAL GROUP LTD - US (ACGL) appears in the most recent 13F filings of 1 tracked institutional investor. The largest disclosed position is held by Paul Tudor Jones (Tudor Investment Corp), valued at $11M. Across recent filings, tracked investors recorded 2 new positions, 0 increased, 0 reduced, and 0 exited. All data sourced from SEC 13F filings.
Based on recent institutional activity in ACGL
How many top investors track ACGL
Only 1 tracked investor report this position.
ACGL Ownership Composition
How ARCH CAPITAL GROUP LTD - US is held across tracked investor types, based on reported 13F positions.
- Other100.0%
Tracked investors reporting ACGL
- Paul Tudor JonesMar 31, 2026Tudor Investment CorpShares78.3KValue$7.5M% Portfolio0.01%
Recent activity
- $10.5MFeb 17, 2026
- $7.5MMay 15, 2026
Frequently asked questions
- How many institutional investors hold ACGL?
- 1 tracked institutional investor disclosed a position in ACGL (ARCH CAPITAL GROUP LTD - US) in their most recent 13F filing.
- Who is the largest institutional holder of ACGL?
- Paul Tudor Jones, Tudor Investment Corp, holds the largest disclosed position in ACGL, valued at $11M.
- Did institutional ownership of ACGL increase or decrease?
- Across recent 13F filings, tracked investors recorded 2 new positions, 0 increased, 0 reduced, and 0 fully exited ACGL.
- Where does this ACGL ownership data come from?
- SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.