Ticker · CUSIP 15117B202
Holders (tracked)
11
Combined shares
14,500,979
Combined value
$393.85M
Last close
$34.55
Quarter
2025Q4
Price · 1Y$34.55+16.25 (+88.80%)H $34.55 · L $18.30 · Avg Vol 1.0M
Tracked holders · last 8 quarters
Flat over the last 8 quarters.
Price is +27.2% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
17 events
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−264,231 shares · 2025Q4Position
- D.E. Shaw & Co. trimmed2026-02-17−121,008 shares · 2025Q4Position
- Two Sigma Investments added2026-02-17+59,132 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) added2026-02-17+237,510 shares · 2025Q4Position
- Steve Cohen (Point72) trimmed2026-02-17−2,135,585 shares · 2025Q4Position
- T. Rowe Price trimmed2026-02-17−342,813 shares · 2025Q4Position
- Wellington Management added2026-02-17+2,279,605 shares · 2025Q4Position
- Renaissance Technologies trimmed2026-02-12−76,100 shares · 2025Q4Position
- Ken Fisher (Fisher Asset Mgmt) added2026-02-09+10,001 shares · 2025Q4Position
- Two Sigma Investments trimmed2025-11-14−7,332 shares · 2025Q3Position
- Izzy Englander (Millennium Mgmt) added2025-11-14+497,968 shares · 2025Q3Position
- Steve Cohen (Point72) added2025-11-14+1,092,221 shares · 2025Q3Position
- T. Rowe Price trimmed2025-11-14−1,435,302 shares · 2025Q3Position
- Wellington Management added2025-11-14+567,677 shares · 2025Q3Position
- D.E. Shaw & Co. trimmed2025-11-14−388,325 shares · 2025Q3Position
- Renaissance Technologies added2025-11-13+13,200 shares · 2025Q3Position
- Ken Fisher (Fisher Asset Mgmt) added2025-11-12+104,949 shares · 2025Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of CLDX…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
| Investor | First in | Cost basis | Return | Position value today |
|---|---|---|---|---|
| Izzy Englander (Millennium Mgmt) | 2020Q2 | $23.98 | +44.1% | $41.9M |
| Steve Cohen (Point72) | 2021Q1 | $25.32 | +36.5% | $60.8M |
| Ken Fisher (Fisher Asset Mgmt) | 2022Q3 | $26.33 | +31.2% | $32.4M |
| Ken Griffin (Citadel Advisors) | 2019Q1 | $26.72 | +29.3% | $622K |
| Ken Griffin (Citadel Advisors) | 2019Q1 | $26.72 | +29.3% | $622K |
| Ken Griffin (Citadel Advisors) | 2019Q1 | $26.72 | +29.3% | $622K |
| Two Sigma Investments | 2019Q2 | $27.07 | +27.6% | $4.6M |
| Renaissance Technologies | 2019Q1 | $27.10 | +27.5% | $4.1M |
| D.E. Shaw & Co. | 2019Q1 | $30.83 | +12.1% | $4.7M |
| Wellington Management | 2020Q4 | $32.87 | +5.1% | $279.2M |
| T. Rowe Price | 2020Q4 | $36.19 | -4.5% | $70.5M |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions0
—
Added to4
- Wellington Management+2,279,605$61.9M
- Izzy Englander (Millennium Mgmt)+237,510$6.5M
- Two Sigma Investments+59,132$1.6M
- Ken Fisher (Fisher Asset Mgmt)+10,001$272K
Trimmed5
- Steve Cohen (Point72)−2,135,585$58.0M
- Ken Griffin (Citadel Advisors)−264,231$7.2M
- D.E. Shaw & Co.−121,008$3.3M
- Renaissance Technologies−76,100$2.1M
- T. Rowe Price−342,813$9K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 11 | $385.9M |
| 2022Q2 | 13 | $2.81B |
| 2022Q3 | 12 | $249.6M |
| 2022Q4 | 12 | $454.0M |
| 2023Q1 | 12 | $354.5M |
| 2023Q2 | 13 | $348.5M |
| 2023Q3 | 10 | $148.7M |
| 2023Q4 | 9 | $283.2M |
| 2024Q1 | 13 | $736.4M |
| 2024Q2 | 12 | $714.0M |
| 2024Q3 | 13 | $549.1M |
| 2024Q4 | 12 | $205.8M |
| 2025Q1 | 12 | $308.2M |
| 2025Q2 | 11 | $295.5M |
| 2025Q3 | 11 | $385.3M |
| 2025Q4 | 11 | $393.8M |
Who owns CLDX
11 super-investors · 2025Q4
Tracked stake
14.50M
shares
Combined value
$394M
% of shares outstanding
—
shares-out unknown
Quarter action mix
Added4Trim7
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Wellington Management | 8.08M | $219M |
| 2 | T. Rowe Price | 2.04M | $55M |
| 3 | Steve Cohen Point72 | 1.76M | $48M |
| 4 | Izzy Englander Millennium Mgmt | 1.21M | $33M |
| 5 | Ken Fisher Fisher Asset Mgmt | 937.2K | $25M |
| 6 | D.E. Shaw & Co. | 136.3K | $4M |
| 7 | Two Sigma Investments | 132.5K | $4M |
| 8 | Renaissance Technologies | 118.5K | $3M |
| 9 | Ken Griffin Citadel Advisors | 55.1K | $1M |
| 10 | Ken Griffin Citadel Advisors | 18.0K | $489K |
| 11 | Ken Griffin Citadel Advisors | 13.0K | $353K |
Recent moves
20 transactions
- −264,231 · 2025Q4
- +59,132 · 2025Q4
- +2,279,605 · 2025Q4
- TRIMD.E. Shaw & Co.−121,008 · 2025Q4
- +237,510 · 2025Q4
- −2,135,585 · 2025Q4
- TRIMT. Rowe Price−342,813 · 2025Q4
- −76,100 · 2025Q4
- +10,001 · 2025Q4
- +1,092,221 · 2025Q3
- −7,332 · 2025Q3
- +567,677 · 2025Q3
- TRIMD.E. Shaw & Co.−388,325 · 2025Q3
- +497,968 · 2025Q3
- TRIMT. Rowe Price−1,435,302 · 2025Q3
- +13,200 · 2025Q3
- +104,949 · 2025Q3
- +180,546 · 2025Q2
- +239,496 · 2025Q2
- +77,295 · 2025Q2
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