Ticker · CUSIP 219798105

QDEL

QUIDELORTHO CORP
···Share
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.
12132024Q12025Q4

SEC event timeline

17 events
  1. −169,010 shares · 2025Q4
    13F
  2. +19,197 shares · 2025Q4
    13F
  3. −209,733 shares · 2025Q4
    13F
  4. +384,939 shares · 2025Q4
    13F
  5. +2,781 shares · 2025Q4
    13F
  6. −198,436 shares · 2025Q4
    13F
  7. −8,528 shares · 2025Q4
    13F
  8. +46,241 shares · 2025Q4
    13F
  9. +9,300 shares · 2025Q4
    13F
  10. +371,194 shares · 2025Q3
    13F
  11. −1,468,178 shares · 2025Q3
    13F
  12. −1,572,740 shares · 2025Q3
    13F
  13. +68,311 shares · 2025Q3
    13F
  14. +2,945 shares · 2025Q3
    13F
  15. −321,646 shares · 2025Q3
    13F
  16. +25,137 shares · 2024Q3
    13F
  17. +4,160 shares · 2025Q3
    13F

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
Added to3
Exited1

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined 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
#ManagerSharesValue
1D.E. Shaw & Co.557.6K$16M
2Steve Cohen
Point72
384.9K$11M
3Mario Gabelli
GAMCO
237.2K$7M
4Izzy Englander
Millennium Mgmt
161.5K$5M
5D.E. Shaw & Co.76.2K$2M
6Lee Ainslie
Maverick Capital
59.8K$2M
7Norges Bank
Norway SWF
46.2K$1M
8AQR Capital Management46.1K$1M
9Ken Griffin
Citadel Advisors
38.6K$1M
10Ken Griffin
Citadel Advisors
14.8K$423K
11D.E. Shaw & Co.10.1K$288K
12T. Rowe Price62.4K$2K

Recent moves

20 transactions
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