Jane Street
KZR

Jane Street’s Kezar Life Sciences KZR Stock Holding History

Jane Street’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
2023
Q1 		– Sell
-1,440
Closed -$101K – 9514
2022
Q4 		$101K Sell
1,440
-9,010
-86% -$668K ﹤0.01% 8084
2022
Q3 		$900K Buy
10,450
+1,830
+21% +$178K ﹤0.01% 5595
2022
Q2 		$713K Buy
8,620
+5,860
+212% +$517K ﹤0.01% 6092
2022
Q1 		$459K Buy
2,760
+1,060
+62% +$152K ﹤0.01% 7648
2021
Q4 		$284K Buy
+1,700
New +$192K ﹤0.01% 8265

Other funds holding KZR

BCM
BML Capital Management Zionsville, Indiana $176M AUM 123.21% 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
RC
Rangeley Capital New Canaan, Connecticut $103M AUM 77.36% 1-Year Est. Return
AAA
Affinity Asset Advisors New York $1.94B AUM 374.45% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
PLC
Peapod Lane Capital Bedford Hills, New York $148M AUM 89.92% 1-Year Est. Return

Jane Street's KZR Position: Q1 2026 in Review

Jane Street opened a new position in Kezar Life Sciences (KZR) in Q1 2026: 21,367 shares worth $159K. The stake represents ﹤0.01% of the portfolio and ranks #10342 among its holdings. This is a return to the name: Jane Street previously reported a position in KZR as recently as Q3 2024.

Jane Street first reported a position in KZR in Q2 2020 and has held it in 13 quarters since. The position peaked at $1.49M in Q1 2022. 43 funds tracked by Wall St. Rank hold KZR as of Q1 2026.

  • Jane Street held 21,367 shares of Kezar Life Sciences worth $159K as of Q1 2026.
  • Kezar Life Sciences was a new Jane Street position in Q1 2026.
  • Kezar Life Sciences made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #10342 holding.
  • Jane Street first reported a position in Kezar Life Sciences in Q2 2020 and has held it in 13 quarters since.
  • Jane Street's Kezar Life Sciences position peaked at $1.49M in Q1 2022.
  • 43 funds tracked by Wall St. Rank held Kezar Life Sciences as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.