Ticker · CUSIP 18482P103
Holders (tracked)
8
Combined shares
488,579
Combined value
$13.93M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
SEC event timeline
13 events
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−54,016 shares · 2025Q413F
- D.E. Shaw & Co. added2026-02-17+645 shares · 2025Q413F
- Two Sigma Investments exited2026-02-17−11,416 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) added2026-02-17+3,635 shares · 2025Q413F
- T. Rowe Price added2026-02-17+635 shares · 2025Q413F
- +80,507 shares · 2025Q413F
- Renaissance Technologies added2026-02-12+38,126 shares · 2025Q413F
- −57,939 shares · 2025Q313F
- Two Sigma Investments added2025-11-14+2,155 shares · 2025Q313F
- T. Rowe Price added2025-11-14+651 shares · 2025Q313F
- D.E. Shaw & Co. added2025-11-14+4,914 shares · 2025Q313F
- Izzy Englander (Millennium Mgmt) added2025-11-14+19,440 shares · 2025Q313F
- Renaissance Technologies added2025-11-13+12,374 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 positions1
- Paul Tudor Jones (Tudor Investment)+80,507$2.3M
Added to4
- Renaissance Technologies+38,126$1.1M
- Izzy Englander (Millennium Mgmt)+3,635$106K
- D.E. Shaw & Co.+645$19K
- T. Rowe Price+635$19
Trimmed1
- Ken Griffin (Citadel Advisors)−54,016$1.6M
Exited1
- Two Sigma Investments−11,416$392K
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 8 | $1.69B |
| 2022Q2 | 8 | $871.1M |
| 2022Q3 | 13 | $3.9M |
| 2022Q4 | 11 | $200.1M |
| 2023Q1 | 10 | $106.6M |
| 2023Q2 | 8 | $104.3M |
| 2023Q3 | 7 | $66.1M |
| 2023Q4 | 7 | $39.6M |
| 2024Q1 | 8 | $47.6M |
| 2024Q2 | 7 | $52.6M |
| 2024Q3 | 5 | $5.5M |
| 2024Q4 | 9 | $9.5M |
| 2025Q1 | 8 | $12.0M |
| 2025Q2 | 9 | $26.5M |
| 2025Q3 | 7 | $14.3M |
| 2025Q4 | 8 | $13.9M |
Who owns CLFD
8 super-investors · 2025Q4
Tracked stake
488.6K
shares
Combined value
$14M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Added4Trim3
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | D.E. Shaw & Co. | 135.4K | $4M |
| 2 | Renaissance Technologies | 101.7K | $3M |
| 3 | Paul Tudor Jones Tudor Investment | 80.5K | $2M |
| 4 | Ken Griffin Citadel Advisors | 61.6K | $2M |
| 5 | Ken Griffin Citadel Advisors | 43.0K | $1M |
| 6 | Izzy Englander Millennium Mgmt | 41.8K | $1M |
| 7 | Ken Griffin Citadel Advisors | 13.9K | $405K |
| 8 | T. Rowe Price | 10.6K | $310 |
Recent moves
20 transactions
- +80,507 · 2025Q4
- +3,635 · 2025Q4
- +635 · 2025Q4
- −54,016 · 2025Q4
- +645 · 2025Q4
- −11,416 · 2025Q4
- +38,126 · 2025Q4
- −57,939 · 2025Q3
- +19,440 · 2025Q3
- +4,914 · 2025Q3
- +2,155 · 2025Q3
- +651 · 2025Q3
- +12,374 · 2025Q3
- +18,756 · 2025Q2
- −7,049 · 2025Q2
- +1,276 · 2025Q2
- +19,576 · 2025Q2
- +309 · 2025Q2
- +57,939 · 2025Q2
- −4,800 · 2025Q2
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