Ticker · CUSIP 14888U101
Holders (tracked)
10
Combined shares
5,209,451
Combined value
$104.13M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
-2 vs previous quarter over the last 8.
SEC event timeline
17 events
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−89,425 shares · 2025Q413F
- D.E. Shaw & Co. trimmed2026-02-17−94,341 shares · 2025Q413F
- T. Rowe Price added2026-02-17+5,106 shares · 2025Q413F
- Wellington Management trimmed2026-02-17−3,066 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−185,535 shares · 2025Q413F
- AQR Capital Management trimmed2026-02-17−33,401 shares · 2025Q413F
- Renaissance Technologies trimmed2026-02-12−894,753 shares · 2025Q413F
- Ken Fisher (Fisher Asset Mgmt) trimmed2026-02-09−305 shares · 2025Q413F
- −76,088 shares · 2025Q313F
- Wellington Management added2025-11-14+6,619 shares · 2025Q313F
- AQR Capital Management trimmed2025-11-14−61,370 shares · 2025Q313F
- D.E. Shaw & Co. added2025-11-14+31,149 shares · 2025Q313F
- Izzy Englander (Millennium Mgmt) added2025-11-14+749,052 shares · 2025Q313F
- T. Rowe Price added2025-11-14+7,977 shares · 2025Q313F
- Renaissance Technologies added2025-11-13+293,314 shares · 2025Q313F
- Norges Bank (Norway SWF) exited2025-11-13−13,766 shares · 2025Q313F
- Norges Bank (Norway SWF) opened position2025-11-12+91,770 shares · 2024Q313F
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
- T. Rowe Price+5,106$119
Trimmed7
- Renaissance Technologies−894,753$20.9M
- Izzy Englander (Millennium Mgmt)−185,535$4.3M
- D.E. Shaw & Co.−94,341$2.2M
- Ken Griffin (Citadel Advisors)−89,425$2.1M
- AQR Capital Management−33,401$780K
- Wellington Management−3,066$72K
- Ken Fisher (Fisher Asset Mgmt)−305$7K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 10 | $100.8M |
| 2022Q2 | 11 | $96.6M |
| 2022Q3 | 13 | $11.7M |
| 2022Q4 | 13 | $372.4M |
| 2023Q1 | 13 | $310.8M |
| 2023Q2 | 11 | $236.2M |
| 2023Q3 | 11 | $201.0M |
| 2023Q4 | 10 | $294.5M |
| 2024Q1 | 11 | $318.0M |
| 2024Q2 | 10 | $353.4M |
| 2024Q3 | 11 | $79.4M |
| 2024Q4 | 11 | $92.3M |
| 2025Q1 | 11 | $114.3M |
| 2025Q2 | 11 | $101.0M |
| 2025Q3 | 12 | $116.7M |
| 2025Q4 | 10 | $104.1M |
Who owns CPRX
10 super-investors · 2025Q4
Tracked stake
5.21M
shares
Combined value
$104M
% of shares outstanding
—
shares-out unknown
Quarter action mix
Added1Trim9
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Renaissance Technologies | 2.65M | $62M |
| 2 | Izzy Englander Millennium Mgmt | 993.6K | $23M |
| 3 | Ken Griffin Citadel Advisors | 308.5K | $7M |
| 4 | AQR Capital Management | 303.7K | $7M |
| 5 | Ken Fisher Fisher Asset Mgmt | 82.8K | $2M |
| 6 | Wellington Management | 49.9K | $1M |
| 7 | Ken Griffin Citadel Advisors | 49.7K | $1M |
| 8 | Ken Griffin Citadel Advisors | 11.6K | $271K |
| 9 | D.E. Shaw & Co. | 10.8K | $252K |
| 10 | T. Rowe Price | 748.8K | $17K |
Recent moves
20 transactions
- −33,401 · 2025Q4
- −89,425 · 2025Q4
- −3,066 · 2025Q4
- −185,535 · 2025Q4
- TRIMD.E. Shaw & Co.−94,341 · 2025Q4
- +5,106 · 2025Q4
- −894,753 · 2025Q4
- −305 · 2025Q4
- −76,088 · 2025Q3
- +31,149 · 2025Q3
- +7,977 · 2025Q3
- +749,052 · 2025Q3
- −61,370 · 2025Q3
- +6,619 · 2025Q3
- −13,766 · 2025Q3
- +293,314 · 2025Q3
- +91,770 · 2024Q3
- TRIMD.E. Shaw & Co.−26,423 · 2025Q2
- −2,088 · 2025Q2
- +126,597 · 2025Q2
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