A detailed history of Thompson Siegel & Walmsley LLC transactions in Quidel Ortho Corp stock. As of the latest transaction made, Thompson Siegel & Walmsley LLC holds 409,242 shares of QDEL stock, worth $8.73 Million. This represents 0.19% of its overall portfolio holdings.

Number of Shares
409,242
Previous 370,896 10.34%
Holding current value
$8.73 Million
Previous $10.7 Million 12.75%
% of portfolio
0.19%
Previous 0.18%

Shares

6 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2025

Nov 12, 2025

BUY
$22.81 - $31.57 $874,672 - $1.21 Million
38,346 Added 10.34%
409,242 $12.1 Million
Q2 2025

Aug 06, 2025

BUY
$24.46 - $37.42 $1.13 Million - $1.72 Million
46,039 Added 14.17%
370,896 $10.7 Million
Q1 2025

May 09, 2025

SELL
$34.78 - $47.61 $452,244 - $619,072
-13,003 Reduced 3.85%
324,857 $11.4 Million
Q4 2024

Feb 10, 2025

BUY
$36.18 - $44.84 $3.09 Million - $3.83 Million
85,405 Added 33.83%
337,860 $15.1 Million
Q3 2024

Nov 12, 2024

SELL
$29.96 - $46.4 $459,796 - $712,100
-15,347 Reduced 5.73%
252,455 $11.5 Million
Q2 2024

Aug 08, 2024

BUY
$32.9 - $47.0 $8.81 Million - $12.6 Million
267,802 New
267,802 $8.9 Million

Others Institutions Holding QDEL

About QuidelOrtho Corp


  • Ticker QDEL
  • Exchange NASDAQ
  • Sector Healthcare
  • Industry Medical Instruments & Supplies
  • Shares Outstandng 66,952,900
  • Market Cap $1.43B
  • Description
  • QuidelOrtho Corporation focuses on the development and manufacture of diagnostic testing technologies across the continuum of healthcare testing needs. The company operates through Labs, Transfusion Medicine, Point-of-Care, and Molecular Diagnostics business units. The Labs business unit provides clinical chemistry laboratory instruments and tes...
More about QDEL
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