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Mitsui Sumitomo Insurance’s W.R. Berkley WRB Stock Holding History

Mitsui Sumitomo Insurance’s Portfolio WRB Stock Details WRB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$4.15B Hold
58,780,450
– – 100% 1
2026
Q1 		$3.9B Buy
58,780,450
+8,253,939
+16% +$568M 100% 1
2025
Q4 		$3.54B Buy
+50,526,511
New +$3.72B 100% 1

Other funds holding WRB

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Kayne Anderson Rudnick Investment Management
Kayne Anderson Rudnick Investment Management Los Angeles, California $32.2B AUM 10.98% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Mitsui Sumitomo Insurance's WRB Position: Q2 2026 in Review

Mitsui Sumitomo Insurance held its W.R. Berkley (WRB) position steady in Q2 2026 at 58,780,450 shares worth $4.15B. The position accounts for 100% of the portfolio, ranked #1.

Mitsui Sumitomo Insurance first reported a position in WRB in Q4 2025 and has held it in 3 quarters since. 949 funds tracked by Wall St. Rank hold WRB as of Q2 2026.

  • Mitsui Sumitomo Insurance held 58,780,450 shares of W.R. Berkley worth $4.15B as of Q2 2026.
  • Mitsui Sumitomo Insurance left its W.R. Berkley share count unchanged in Q2 2026.
  • W.R. Berkley made up 100% of Mitsui Sumitomo Insurance's portfolio in Q2 2026, its #1 holding.
  • Mitsui Sumitomo Insurance first reported a position in W.R. Berkley in Q4 2025 and has held it in 3 quarters since.
  • 949 funds tracked by Wall St. Rank held W.R. Berkley as of Q2 2026.

Based on Mitsui Sumitomo Insurance's 13F filing for Q2 2026, filed 13 Aug 2026.