Ticker · CUSIP 49372L209
Holders (tracked)
2
Combined shares
142,597
Combined value
$896.9K
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
-2 vs previous quarter over the last 6.
SEC event timeline
6 events
- Ken Griffin (Citadel Advisors) exited2026-02-17−18,221 shares · 2025Q413F
- Two Sigma Investments trimmed2026-02-17−12,370 shares · 2025Q413F
- Renaissance Technologies added2026-02-12+15,400 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) exited2025-11-14−25,677 shares · 2025Q313F
- Two Sigma Investments trimmed2025-11-14−1,201 shares · 2025Q313F
- Renaissance Technologies added2025-11-13+28,601 shares · 2025Q313F
Insider activity
No insider transactions in the last 30 days.
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions0
—
Added to1
- Renaissance Technologies+15,400$97K
Trimmed1
- Two Sigma Investments−12,370$78K
Exited1
- Ken Griffin (Citadel Advisors)−18,221$71K
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2024Q3 | 1 | $65 |
| 2024Q4 | 6 | $1.4M |
| 2025Q1 | 3 | $726K |
| 2025Q2 | 3 | $631K |
| 2025Q3 | 4 | $677K |
| 2025Q4 | 2 | $897K |
Who owns KZR
2 super-investors · 2025Q4
Tracked stake
142.6K
shares
Combined value
$897K
% of shares outstanding
—
shares-out unknown
Quarter action mix
Added1Trim1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Renaissance Technologies | 131.3K | $826K |
| 2 | Two Sigma Investments | 11.3K | $71K |
Recent moves
17 transactions
- −12,370 · 2025Q4
- −18,221 · 2025Q4
- +15,400 · 2025Q4
- −1,201 · 2025Q3
- −25,677 · 2025Q3
- +28,601 · 2025Q3
- −6,987 · 2025Q2
- −5,703 · 2025Q2
- +1,700 · 2025Q2
- −30,113 · 2025Q1
- −11,957 · 2025Q1
- −2,101 · 2025Q1
- +43,337 · 2024Q4
- +61,983 · 2024Q4
- SOLDT. Rowe Price−83,600 · 2024Q4
- +87,685 · 2024Q4
- +83,600 · 2024Q3
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