Ticker · CUSIP 219798105
Holders (tracked)
12
Combined shares
1,695,468
Combined value
$46.64M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
SEC event timeline
17 events
- Ken Griffin (Citadel Advisors) exited2026-02-17−169,010 shares · 2025Q413F
- D.E. Shaw & Co. added2026-02-17+19,197 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−209,733 shares · 2025Q413F
- Steve Cohen (Point72) opened position2026-02-17+384,939 shares · 2025Q413F
- T. Rowe Price added2026-02-17+2,781 shares · 2025Q413F
- AQR Capital Management trimmed2026-02-17−198,436 shares · 2025Q413F
- Lee Ainslie (Maverick Capital) trimmed2026-02-13−8,528 shares · 2025Q413F
- Norges Bank (Norway SWF) opened position2026-02-10+46,241 shares · 2025Q413F
- Mario Gabelli (GAMCO) added2026-02-05+9,300 shares · 2025Q413F
- +371,194 shares · 2025Q313F
- D.E. Shaw & Co. trimmed2025-11-14−1,468,178 shares · 2025Q313F
- AQR Capital Management trimmed2025-11-14−1,572,740 shares · 2025Q313F
- +68,311 shares · 2025Q313F
- T. Rowe Price added2025-11-14+2,945 shares · 2025Q313F
- Norges Bank (Norway SWF) exited2025-11-13−321,646 shares · 2025Q313F
- Norges Bank (Norway SWF) added2025-11-12+25,137 shares · 2024Q313F
- Mario Gabelli (GAMCO) added2025-11-12+4,160 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 positions2
- Steve Cohen (Point72)+384,939$11.0M
- Norges Bank (Norway SWF)+46,241$1.3M
Added to3
- D.E. Shaw & Co.+19,197$548K
- Mario Gabelli (GAMCO)+9,300$266K
- T. Rowe Price+2,781$79
Trimmed3
- Izzy Englander (Millennium Mgmt)−209,733$6.0M
- AQR Capital Management−198,436$5.7M
- Lee Ainslie (Maverick Capital)−8,528$244K
Exited1
- Ken Griffin (Citadel Advisors)−169,010$5.0M
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q2 | 19 | $50.87B |
| 2022Q3 | 18 | $38.4M |
| 2022Q4 | 20 | $629.2M |
| 2023Q1 | 16 | $631.3M |
| 2023Q2 | 15 | $597.0M |
| 2023Q3 | 14 | $495.9M |
| 2023Q4 | 16 | $459.2M |
| 2024Q1 | 13 | $386.6M |
| 2024Q2 | 16 | $337.0M |
| 2024Q3 | 15 | $305.6M |
| 2024Q4 | 14 | $249.5M |
| 2025Q1 | 9 | $177.5M |
| 2025Q2 | 8 | $137.2M |
| 2025Q3 | 11 | $53.2M |
| 2025Q4 | 12 | $46.6M |
Who owns QDEL
12 super-investors · 2025Q4
Tracked stake
1.70M
shares
Combined value
$47M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New2Added5Trim3Sold2
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | D.E. Shaw & Co. | 557.6K | $16M |
| 2 | Steve Cohen Point72 | 384.9K | $11M |
| 3 | Mario Gabelli GAMCO | 237.2K | $7M |
| 4 | Izzy Englander Millennium Mgmt | 161.5K | $5M |
| 5 | D.E. Shaw & Co. | 76.2K | $2M |
| 6 | Lee Ainslie Maverick Capital | 59.8K | $2M |
| 7 | Norges Bank Norway SWF | 46.2K | $1M |
| 8 | AQR Capital Management | 46.1K | $1M |
| 9 | Ken Griffin Citadel Advisors | 38.6K | $1M |
| 10 | Ken Griffin Citadel Advisors | 14.8K | $423K |
| 11 | D.E. Shaw & Co. | 10.1K | $288K |
| 12 | T. Rowe Price | 62.4K | $2K |
Recent moves
20 transactions
- +384,939 · 2025Q4
- −169,010 · 2025Q4
- −209,733 · 2025Q4
- −198,436 · 2025Q4
- +19,197 · 2025Q4
- +2,781 · 2025Q4
- −8,528 · 2025Q4
- +46,241 · 2025Q4
- +9,300 · 2025Q4
- +2,945 · 2025Q3
- TRIMD.E. Shaw & Co.−1,468,178 · 2025Q3
- +68,311 · 2025Q3
- −1,572,740 · 2025Q3
- +371,194 · 2025Q3
- −321,646 · 2025Q3
- +25,137 · 2024Q3
- +4,160 · 2025Q3
- −20,978 · 2025Q2
- +663,566 · 2025Q2
- +10,009 · 2025Q2
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