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
-400
Closed -$1K – 9571
2025
Q2 		$1K Hold
400
– – ﹤0.01% 8347
2025
Q1 		$1K Sell
400
-200
-33% -$1.21K ﹤0.01% 8236
2024
Q4 		$4K Buy
+600
New +$4.47K ﹤0.01% 7754
2024
Q1 		– Sell
-600
Closed -$5K – 9377
2023
Q4 		$5K Sell
600
-1,580
-72% -$13.9K ﹤0.01% 7867
2023
Q3 		$25K Buy
2,180
+1,270
+140% +$22.5K ﹤0.01% 6426
2023
Q2 		$22K Sell
910
-210
-19% -$5.47K ﹤0.01% 6674
2023
Q1 		$35K Buy
1,120
+820
+273% +$47.4K ﹤0.01% 6328
2022
Q4 		$21K Sell
300
-7,690
-96% -$570K ﹤0.01% 6829
2022
Q3 		$687K Sell
7,990
-3,040
-28% -$295K ﹤0.01% 3097
2022
Q2 		$912K Buy
11,030
+740
+7% +$65.3K ﹤0.01% 2726
2022
Q1 		$1.71M Buy
10,290
+8,630
+520% +$1.24M ﹤0.01% 2271
2021
Q4 		$277K Buy
1,660
+1,460
+730% +$165K ﹤0.01% 4688
2021
Q3 		$10K Hold
200
– – ﹤0.01% 8920
2021
Q2 		$10K Buy
200
+198
+9,900% +$11.2K ﹤0.01% 9091
2021
Q1 		$11K Buy
+2
New +$117 ﹤0.01% 7842
2020
Q3 		– Sell
-3
Closed -$15K – 8137
2020
Q2 		$15K Buy
+3
New +$151 ﹤0.01% 6414

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.