Simplex Trading
KZR

Simplex Trading’s Kezar Life Sciences KZR Stock Holding History

Simplex Trading’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
2025
Q3 		– Sell
-43
Closed – – 9570
2025
Q2 		$0 Buy
+43
New +$184 ﹤0.01% 9240
2025
Q1 		– Sell
-400
Closed -$2.43K – 9109
2024
Q4 		$2K Buy
400
+21
+6% +$156 ﹤0.01% 8025
2024
Q3 		$2K Hold
379
– – ﹤0.01% 8026
2024
Q2 		$2K Buy
379
+286
+308% +$2.17K ﹤0.01% 8297
2024
Q1 		$0 Sell
93
-250
-73% -$2.28K ﹤0.01% 9376
2023
Q4 		$3K Sell
343
-1,054
-75% -$9.26K ﹤0.01% 8104
2023
Q3 		$16K Buy
1,397
+1,071
+329% +$19K ﹤0.01% 6820
2023
Q2 		$7K Sell
326
-419
-56% -$10.9K ﹤0.01% 7687
2023
Q1 		$23K Buy
+745
New +$43.1K ﹤0.01% 6781
2022
Q4 		– Sell
-970
Closed -$71.9K – 9833
2022
Q3 		$83K Sell
970
-1,659
-63% -$161K ﹤0.01% 5773
2022
Q2 		$217K Buy
2,629
+2,117
+413% +$187K ﹤0.01% 4503
2022
Q1 		$85K Sell
512
-1,039
-67% -$149K ﹤0.01% 6379
2021
Q4 		$259K Buy
+1,551
New +$175K ﹤0.01% 4792
2021
Q2 		– Sell
-41
Closed -$2.33K – 10388
2021
Q1 		$2K Sell
41
-37
-47% -$2.16K ﹤0.01% 8462
2020
Q4 		$4K Buy
78
+31
+66% +$1.72K ﹤0.01% 7791
2020
Q3 		$2K Sell
47
-46
-49% -$2.2K ﹤0.01% 7429
2020
Q2 		$4K Buy
+93
New +$4.69K ﹤0.01% 7055

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
RC
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
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 $122M AUM 67.29% 1-Year Est. Return

Simplex Trading's KZR Position: Q3 2025 in Review

Simplex Trading sold out of Kezar Life Sciences (KZR) in Q3 2025, closing a stake of 43 shares.

Simplex Trading first reported a position in KZR in Q2 2020 and held it in 17 quarters. The position peaked at $259K in Q4 2021. 39 funds tracked by Wall St. Rank hold KZR as of Q3 2025.

  • Simplex Trading reported no remaining Kezar Life Sciences position as of Q3 2025 after selling out during the quarter.
  • Simplex Trading sold 43 Kezar Life Sciences shares in Q3 2025.
  • Simplex Trading first reported a position in Kezar Life Sciences in Q2 2020 and held it in 17 quarters.
  • Simplex Trading's Kezar Life Sciences position peaked at $259K in Q4 2021.
  • 39 funds tracked by Wall St. Rank held Kezar Life Sciences as of Q3 2025.

Based on Simplex Trading's 13F filing for Q3 2025, filed 12 Nov 2025.