XTX Topco’s W.R. Berkley WRB Stock Holding History

XTX Topco’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	$648K	Buy	+9,193	New	+$616K	0.01%	2206
2026 Q1	–	Sell	-5,535	Closed	-$388K	–	4462
2025 Q4	$388K	Sell	5,535 -8,920	-62%	-$657K	0.01%	1838
2025 Q3	$1.11M	Buy	+14,455	New	+$1.03M	0.06%	509
2025 Q1	–	Sell	-4,973	Closed	-$291K	–	3200
2024 Q4	$291K	Sell	4,973 -99	-2%	-$5.93K	0.02%	1244
2024 Q3	$288K	Buy	+5,072	New	+$285K	0.02%	1216
2023 Q3	–	Sell	-12,405	Closed	-$493K	–	2061
2023 Q2	$493K	Buy	12,405 +4,054	+49%	+$159K	0.09%	376
2023 Q1	$347K	Buy	8,351 +2,583	+45%	+$116K	0.07%	538
2022 Q4	$279K	Sell	5,768 -8,934	-61%	-$431K	0.06%	630
2022 Q3	$633K	Buy	+14,702	New	+$638K	0.16%	155

Other funds holding WRB

MSI

Mitsui Sumitomo Insurance Tokyo, Japan $4.15B AUM

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Kayne Anderson Rudnick Investment Management Los Angeles, California $32.2B AUM 10.98% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

California State Teachers Retirement System (CalSTRS) West Sacramento, California $782B AUM 28.39% 1-Year Est. Return

XTX Topco's WRB Position: Q2 2026 in Review

XTX Topco opened a new position in W.R. Berkley (WRB) in Q2 2026: 9,193 shares worth $648K. The stake represents 0.01% of the portfolio and ranks #2206 among its holdings. This is a return to the name: XTX Topco previously reported a position in WRB as recently as Q4 2025.

XTX Topco first reported a position in WRB in Q3 2022 and has held it in 9 quarters since. The position peaked at $1.11M in Q3 2025. 948 funds tracked by Wall St. Rank hold WRB as of Q2 2026.

XTX Topco held 9,193 shares of W.R. Berkley worth $648K as of Q2 2026.
W.R. Berkley was a new XTX Topco position in Q2 2026.
W.R. Berkley made up 0.01% of XTX Topco's portfolio in Q2 2026, its #2206 holding.
XTX Topco first reported a position in W.R. Berkley in Q3 2022 and has held it in 9 quarters since.
XTX Topco's W.R. Berkley position peaked at $1.11M in Q3 2025.
948 funds tracked by Wall St. Rank held W.R. Berkley as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.