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Harbor Advisors’s Arch Capital ACGL Stock Holding History

Harbor Advisors’s Portfolio ACGL Stock Details ACGL Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.12M Hold
11,500
– – 0.14% 78
2026
Q1 		$1.1M Hold
11,500
– – 0.16% 70
2025
Q4 		$1.1M Hold
11,500
– – 0.17% 68
2025
Q3 		$1.04M Hold
11,500
– – 0.16% 74
2025
Q2 		$1.05M Hold
11,500
– – 0.17% 68
2025
Q1 		$1.11M Hold
11,500
– – 0.19% 63
2024
Q4 		$1.06M Hold
11,500
– – 0.17% 66
2024
Q3 		$1.29M Hold
11,500
– – 0.22% 57
2024
Q2 		$1.16M Hold
11,500
– – 0.21% 56
2024
Q1 		$1.06M Hold
11,500
– – 0.2% 63
2023
Q4 		$854K Buy
11,500
+2,500
+28% +$204K 0.16% 74
2023
Q3 		$717K Buy
+9,000
New +$700K 0.15% 76

Other funds holding ACGL

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Artisan Partners
Artisan Partners Milwaukee, Wisconsin $63.1B AUM 35.51% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
BAMCO Inc
BAMCO Inc New York $66.6B AUM 7.35% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
WCM Investment Management
WCM Investment Management Laguna Beach, California $55.2B AUM 57.07% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Harbor Advisors's ACGL Position: Q2 2026 in Review

Harbor Advisors held its Arch Capital (ACGL) position steady in Q2 2026 at 11,500 shares worth $1.12M. The position accounts for 0.14% of the portfolio, ranked #78.

Harbor Advisors first reported a position in ACGL in Q3 2023 and has held it in 12 quarters since. The position peaked at $1.29M in Q3 2024. 906 funds tracked by Wall St. Rank hold ACGL as of Q2 2026.

  • Harbor Advisors held 11,500 shares of Arch Capital worth $1.12M as of Q2 2026.
  • Harbor Advisors left its Arch Capital share count unchanged in Q2 2026.
  • Arch Capital made up 0.14% of Harbor Advisors's portfolio in Q2 2026, its #78 holding.
  • Harbor Advisors first reported a position in Arch Capital in Q3 2023 and has held it in 12 quarters since.
  • Harbor Advisors's Arch Capital position peaked at $1.29M in Q3 2024.
  • 906 funds tracked by Wall St. Rank held Arch Capital as of Q2 2026.

Based on Harbor Advisors's 13F filing for Q2 2026, filed 28 Jul 2026.