XTX Topco’s Kezar Life Sciences KZR Stock Holding History

XTX Topco’s Portfolio KZR Stock Details KZR Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$145K	Buy	+19,495	New	+$127K	﹤0.01%	2972
2024 Q4	–	Sell	-5,215	Closed	-$40.3K	–	2633
2024 Q3	$40.3K	Buy	5,215 +3,751	+256%	+$22.6K	﹤0.01%	1725
2024 Q2	$8.79K	Sell	1,464 -208	-12%	-$1.58K	﹤0.01%	1702
2024 Q1	$15.1K	Sell	1,672 -2,730	-62%	-$24.9K	﹤0.01%	1636
2023 Q4	$41.7K	Sell	4,402 -2,766	-39%	-$24.3K	0.01%	1261
2023 Q3	$85.3K	Sell	7,168 -2,296	-24%	-$40.7K	0.01%	1204
2023 Q2	$232K	Buy	+9,464	New	+$246K	0.04%	909
2022 Q4	–	Sell	-1,830	Closed	-$158K	–	1326
2022 Q3	$158K	Buy	+1,830	New	+$178K	0.04%	854

Other funds holding KZR

BCM

BML Capital Management Zionsville, Indiana $156M AUM 129.82% 1-Year Est. Return

SCM

Suvretta Capital Management New York $3.92B AUM 86.67% 1-Year Est. Return

TCM

Tang Capital Management San Diego, California $1.97B AUM 125.1% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Rangeley Capital New Canaan, Connecticut $103M AUM 77.32% 1-Year Est. Return

AAA

Affinity Asset Advisors New York $1.94B AUM 374.45% 1-Year Est. Return

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

PLC

Peapod Lane Capital Bedford Hills, New York $122M AUM 67.29% 1-Year Est. Return

XTX Topco's KZR Position: Q1 2026 in Review

XTX Topco opened a new position in Kezar Life Sciences (KZR) in Q1 2026: 19,495 shares worth $145K. The stake represents ﹤0.01% of the portfolio and ranks #2972 among its holdings. This is a return to the name: XTX Topco previously reported a position in KZR as recently as Q3 2024.

XTX Topco first reported a position in KZR in Q3 2022 and has held it in 8 quarters since. The position peaked at $232K in Q2 2023. 43 funds tracked by Wall St. Rank hold KZR as of Q1 2026.

XTX Topco held 19,495 shares of Kezar Life Sciences worth $145K as of Q1 2026.
Kezar Life Sciences was a new XTX Topco position in Q1 2026.
Kezar Life Sciences made up ﹤0.01% of XTX Topco's portfolio in Q1 2026, its #2972 holding.
XTX Topco first reported a position in Kezar Life Sciences in Q3 2022 and has held it in 8 quarters since.
XTX Topco's Kezar Life Sciences position peaked at $232K in Q2 2023.
43 funds tracked by Wall St. Rank held Kezar Life Sciences as of Q1 2026.

Based on XTX Topco's 13F filing for Q1 2026, filed 15 May 2026.