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CenterBook Partners’s Chubb CB Stock Holding History

CenterBook Partners’s Portfolio CB Stock Details CB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$448K Sell
1,315
-11,078
-89% -$3.61M 0.02% 538
2026
Q1 		$4.04M Buy
12,393
+9,673
+356% +$3.1M 0.22% 121
2025
Q4 		$849K Buy
+2,720
New +$795K 0.04% 401

Other funds holding CB

Berkshire Hathaway
Berkshire Hathaway Omaha, Nebraska $299B AUM 27.55% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
GQG Partners
GQG Partners Ft. Lauderdale, Florida $53.8B AUM 19.23% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

CenterBook Partners's CB Position: Q2 2026 in Review

CenterBook Partners reduced its Chubb (CB) stake by 89% in Q2 2026, selling an estimated $3.61M and leaving 1,315 shares worth $448K. The position accounts for 0.02% of the portfolio, ranked #538.

CenterBook Partners first reported a position in CB in Q4 2025 and has held it in 3 quarters since. The position peaked at $4.04M in Q1 2026. 2,155 funds tracked by Wall St. Rank hold CB as of Q2 2026.

  • CenterBook Partners held 1,315 shares of Chubb worth $448K as of Q2 2026.
  • CenterBook Partners sold 11,078 Chubb shares in Q2 2026, an estimated $3.61M.
  • Chubb made up 0.02% of CenterBook Partners's portfolio in Q2 2026, its #538 holding.
  • CenterBook Partners first reported a position in Chubb in Q4 2025 and has held it in 3 quarters since.
  • CenterBook Partners's Chubb position peaked at $4.04M in Q1 2026.
  • 2,155 funds tracked by Wall St. Rank held Chubb as of Q2 2026.

Based on CenterBook Partners's 13F filing for Q2 2026, filed 11 Aug 2026.