Aaron Cowen’s Kezar Life Sciences KZR Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q2 | – | Sell |
-716,759
| Closed | -$5.32M | – | 101 |
|
|
2026
Q1 | $5.32M | Hold |
716,759
| – | – | 0.14% | 59 |
|
|
2025
Q4 | $4.51M | Hold |
716,759
| – | – | 0.09% | 69 |
|
|
2025
Q3 | $2.8M | Hold |
716,759
| – | – | 0.07% | 72 |
|
|
2025
Q2 | $3.28M | Hold |
716,759
| – | – | 0.1% | 68 |
|
|
2025
Q1 | $3.5M | Hold |
716,759
| – | – | 0.13% | 68 |
|
|
2024
Q4 | $4.82M | Hold |
716,759
| – | – | 0.16% | 65 |
|
|
2024
Q3 | $5.54M | Hold |
716,759
| – | – | 0.18% | 62 |
|
|
2024
Q2 | $4.3M | Hold |
716,759
| – | – | 0.16% | 56 |
|
|
2024
Q1 | $6.46M | Hold |
716,759
| – | – | 0.24% | 60 |
|
|
2023
Q4 | $6.79M | Hold |
716,759
| – | – | 0.31% | 50 |
|
|
2023
Q3 | $8.53M | Hold |
716,759
| – | – | 0.46% | 47 |
|
|
2023
Q2 | $17.6M | Buy |
716,759
+28,000
| +4% | +$729K | 0.94% | 40 |
|
|
2023
Q1 | $21.6M | Buy |
688,759
+338,333
| +97% | +$19.6M | 0.91% | 37 |
|
|
2022
Q4 | $24.7M | Buy |
350,426
+22,874
| +7% | +$1.7M | 1.04% | 35 |
|
|
2022
Q3 | $28.2M | Sell |
327,552
-113,678
| -26% | -$11M | 1.17% | 33 |
|
|
2022
Q2 | $36.5M | Buy |
441,230
+300,234
| +213% | +$26.5M | 1.39% | 30 |
|
|
2022
Q1 | $23.4M | Hold |
140,996
| – | – | 0.72% | 45 |
|
|
2021
Q4 | $23.6M | Hold |
140,996
| – | – | 0.46% | 46 |
|
|
2021
Q3 | $12.2M | Hold |
140,996
| – | – | 0.21% | 58 |
|
|
2021
Q2 | $7.66M | Hold |
140,996
| – | – | 0.11% | 84 |
|
|
2021
Q1 | $8.4M | Hold |
140,996
| – | – | 0.12% | 78 |
|
|
2020
Q4 | $7.36M | Buy |
140,996
+85,406
| +154% | +$4.75M | 0.11% | 69 |
|
|
2020
Q3 | $2.69M | Hold |
55,590
| – | – | 0.05% | 76 |
|
|
2020
Q2 | $2.88M | Buy |
55,590
+46,600
| +518% | +$2.35M | 0.06% | 64 |
|
|
2020
Q1 | $392K | Buy |
+8,990
| New | +$366K | 0.01% | 64 |
|
Aaron Cowen's KZR Position: Q2 2026 in Review
Aaron Cowen sold out of Kezar Life Sciences (KZR) in Q2 2026, closing a stake of 716,759 shares — an estimated $5.32M sold.
Aaron Cowen first reported a position in KZR in Q1 2020 and held it in 25 quarters. The position peaked at $36.5M in Q2 2022. 0 funds tracked by Wall St. Rank hold KZR as of Q2 2026.
- Aaron Cowen reported no remaining Kezar Life Sciences position as of Q2 2026 after selling out during the quarter.
- Aaron Cowen sold 716,759 Kezar Life Sciences shares in Q2 2026, an estimated $5.32M.
- Aaron Cowen first reported a position in Kezar Life Sciences in Q1 2020 and held it in 25 quarters.
- Aaron Cowen's Kezar Life Sciences position peaked at $36.5M in Q2 2022.
- 0 funds tracked by Wall St. Rank held Kezar Life Sciences as of Q2 2026.
Based on Suvretta Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.