
Arch Capital Group Ltd.· ACGL
- Price
- $98.71
- Day
- +0.69%
- Mkt Cap
- $34.49B
- 52W Range
- $82.45 – $107.09
- Volume
- 1.00M
- Beta
- 0.29

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Insider activity, institutional flows, and fund ownership.
Insider trading analysis comparing the latest quarter against the stock's own historical baseline.
Bullish Signal
Insider buying in Q2 2026
Meaningful: 1 purchase totaling $498.7K (5.3K shares)
2 sales totaling $93.3K (5.0K shares)
Share volume is 3x+ above the historical average, unusually strong
Buying is rare, only seen in 2 of 7 quarters
Institutional ownership analysis with position momentum, 13F share flow, and ownership percentage trends.
Neutral
Mixed institutional activity in Q2 2026
87.2% institutional ownership
Balanced activity: 529 adding vs 493 reducing
13F shares decreased by 1.3%, a modest change
ETF and mutual fund activity breakdown showing buying vs selling funds, top fund holders, and detailed holdings.
Bullish Signal
Funds accumulating in Q2 2026
95 ETFs and mutual funds reporting
22 buying vs 16 selling (balanced)