Ticker · CUSIP 48576U205
Holders (tracked)
7
Combined shares
368,024
Combined value
$2.63M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
+3 vs previous quarter over the last 4.
SEC event timeline
6 events
- +31,709 shares · 2025Q413F
- Two Sigma Investments opened position2026-02-17+148,793 shares · 2025Q413F
- +12,922 shares · 2025Q413F
- Renaissance Technologies trimmed2026-02-12−4,800 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) exited2025-11-14−31,847 shares · 2025Q313F
- Renaissance Technologies trimmed2025-11-13−1,100 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 positions3
- Two Sigma Investments+148,793$1.1M
- Ken Griffin (Citadel Advisors)+31,709$233K
- Paul Tudor Jones (Tudor Investment)+12,922$95K
Added to0
—
Trimmed1
- Renaissance Technologies−4,800$35K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2025Q1 | 5 | $1.3M |
| 2025Q2 | 5 | $1.4M |
| 2025Q3 | 4 | $1.0M |
| 2025Q4 | 7 | $2.6M |
Who owns KPTI
7 super-investors · 2025Q4
Tracked stake
368.0K
shares
Combined value
$3M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New5Trim1Held1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Two Sigma Investments | 148.8K | $1M |
| 2 | Ken Griffin Citadel Advisors | 71.3K | $525K |
| 3 | Renaissance Technologies | 59.9K | $441K |
| 4 | Ken Griffin Citadel Advisors | 32.5K | $239K |
| 5 | Ken Griffin Citadel Advisors | 31.7K | $233K |
| 6 | Paul Tudor Jones Tudor Investment | 12.9K | $95K |
| 7 | T. Rowe Price | 10.9K | $81 |
Recent moves
11 transactions
- +148,793 · 2025Q4
- +12,922 · 2025Q4
- +31,709 · 2025Q4
- −4,800 · 2025Q4
- −31,847 · 2025Q3
- −1,100 · 2025Q3
- +10,886 · 2025Q2
- −23,520 · 2025Q2
- +4,600 · 2025Q2
- +55,367 · 2025Q1
- +61,214 · 2025Q1
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