| $385M | ||
| $350M | ||
| $215M | ||
| $100M | ||
| $88M | ||
| $62M |
Buys | $1,247,850 | 8 | 89 |
Sells | $111,965 | 1 | 11 |
| Blaser Brian J. | President and CEO | 2 | $750,238 | 0 | $0 | $750,238 |
| Strobeck Matthew | director | 1 | $239,586 | 0 | $0 | $239,586 |
| Busky Joseph M. | Chief Financial Officer | 2 | $204,047 | 0 | $0 | $204,047 |
| POLAN MARY LAKE PH D | director | 1 | $22,430 | 0 | $0 | $22,430 |
| RHOADS ANN D | director | 1 | $21,206 | 0 | $0 | $21,206 |
| Wilkins Joseph D Jr. | director | 1 | $10,343 | 0 | $0 | $10,343 |
| WIDDER KENNETH J | director | 0 | $0 | 1 | $111,965 | $-111,965 |
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 tests that measure target chemicals in bodily fluids for the evaluation of health and the clinical management of patients; immunoassay laboratory instruments and tests, which measure proteins as they act as antigens in the spread of disease, antibodies in the immune response spurred by disease, or markers of proper organ function and health; testing products to detect and monitor disease progression across a spectrum of therapeutic areas; and specialized diagnostic solutions. The Transfusion Medicine business unit offers immunohematology instruments and tests used for blood typing to ensure patient-donor compatibility in blood transfusions; and donor screening instruments and tests used for blood and plasma screening for infectious diseases. The Point-of-Care business unit provides tests to provide rapid results across a continuum of point-of-care settings. The Molecular Diagnostics business unit offers polymerase chain reaction thermocyclers; and analyzers and amplification systems. The company sells its products directly to end users through a direct sales force; and through a network of distributors for professional use in physician offices, hospitals, clinical laboratories, reference laboratories, urgent care clinics, universities, retail clinics, pharmacies, wellness screening centers, blood banks, and donor centers, as well as for individual, non-professional, and over-the-counter use. It operates in North America, Europe, the Middle East, Africa, China, and internationally. The company was founded in 1979 and is headquartered in San Diego, California.
Over the last 12 months, insiders at QuidelOrtho Corporation have bought $1.25M and sold $111,965 worth of QuidelOrtho Corporation stock.
On average, over the past 5 years, insiders at QuidelOrtho Corporation have bought $532,464 and sold $112.49M worth of stock each year.
Highest buying activity among insiders over the last 12 months: Blaser Brian J. (President and CEO) — $750,238. Strobeck Matthew (director) — $239,586. Busky Joseph M. (Chief Financial Officer) — $204,047.
The last purchase of 3,370 shares for transaction amount of $79,742 was made by Busky Joseph M. (Chief Financial Officer) on 2026‑02‑13.
| 2026-02-13 | Blaser Brian J. | President and CEO | 10,540 0.0154% | $23.59 | $248,661 | -10.85% | ||
| 2026-02-13 | Strobeck Matthew | director | 10,000 0.015% | $23.96 | $239,586 | -10.85% | ||
| 2026-02-13 | Busky Joseph M. | Chief Financial Officer | 3,370 0.0049% | $23.66 | $79,742 | -10.85% | ||
| 2025-12-10 | RHOADS ANN D | director | 750 0.0011% | $28.27 | $21,206 | -0.78% | ||
| 2025-11-26 | Wilkins Joseph D Jr. | director | 370 0.0006% | $27.95 | $10,343 | +2.87% | ||
| 2025-11-25 | Sale | WIDDER KENNETH J | director | 4,026 0.0068% | $27.81 | $111,965 | +0.18% | |
| 2025-11-24 | Busky Joseph M. | Chief Financial Officer | 4,770 0.0075% | $26.06 | $124,305 | +5.87% | ||
| 2025-11-21 | POLAN MARY LAKE PH D | director | 1,000 0.0014% | $22.43 | $22,430 | +15.46% | ||
| 2025-11-19 | Blaser Brian J. | President and CEO | 23,500 0.0352% | $21.34 | $501,577 | +33.66% | ||
| 2024-12-11 | Blaser Brian J. | President and CEO | 6,033 0.009% | $41.42 | $249,878 | -30.01% | ||
| 2024-11-21 | Sale | Carlyle Group Inc. | 10 percent owner | 8.26M 11.5456% | $35.31 | $291.7M | -21.44% | |
| 2024-08-09 | Sale | Carlyle Group Inc. | 10 percent owner | 74,134 0.11% | $41.53 | $3.08M | -6.17% | |
| 2024-08-08 | Sale | Carlyle Group Inc. | 10 percent owner | 106,705 0.1577% | $41.07 | $4.38M | -5.63% | |
| 2024-08-07 | Sale | Carlyle Group Inc. | 10 percent owner | 78,180 0.1173% | $39.94 | $3.12M | -1.25% | |
| 2024-08-06 | Sale | Carlyle Group Inc. | 10 percent owner | 86,972 0.1299% | $40.23 | $3.5M | -1.88% | |
| 2024-08-05 | Sale | Carlyle Group Inc. | 10 percent owner | 118,172 0.1748% | $40.37 | $4.77M | -2.56% | |
| 2024-08-02 | Sale | Carlyle Group Inc. | 10 percent owner | 169,467 0.2536% | $42.10 | $7.13M | -5.62% | |
| 2024-08-01 | Sale | Carlyle Group Inc. | 10 percent owner | 234,935 0.3468% | $41.52 | $9.75M | -5.57% | |
| 2024-07-31 | Sale | Carlyle Group Inc. | 10 percent owner | 164,877 0.242% | $39.11 | $6.45M | +1.11% | |
| 2024-07-30 | Sale | Carlyle Group Inc. | 10 percent owner | 150,590 0.2247% | $39.74 | $5.99M | -0.14% |
| Blaser Brian J. | President and CEO | 40073 0.0589% | $707,288.45 | 3 | 0 | <0.0001% |
| WIDDER KENNETH J | director | 37061 0.0544% | $654,126.65 | 0 | 1 | |
| Strobeck Matthew | director | 27775 0.0408% | $490,228.75 | 3 | 0 | <0.0001% |
| RHOADS ANN D | director | 15021 0.0221% | $265,120.65 | 1 | 0 | |
| POLAN MARY LAKE PH D | director | 12640 0.0186% | $223,096.00 | 2 | 20 | +14.34% |
| Wilkins Joseph D Jr. | director | 11876 0.0174% | $209,611.40 | 1 | 0 | |
| Busky Joseph M. | Chief Financial Officer | 10290 0.0151% | $181,618.50 | 3 | 0 | <0.0001% |
| SCHULER JACK W | 3414053 5.0146% | $60.26M | 16 | 7 | +11.82% | |
| BRYANT DOUGLAS C | President & CEO | 495807 0.7283% | $8.75M | 17 | 77 | +4.66% |
| Mason Caren L | President and CEO | 199952 0.2937% | $3.53M | 0 | 3 | |
| LANDERS PAUL E | Sr. VP - Finance | 91455 0.1343% | $1.61M | 0 | 4 | |
| PAIZ MARK | Chief Operating Officer | 80864 0.1188% | $1.43M | 0 | 4 | |
| Foley Thomas James | Chief Technical Officer | 77964 0.1145% | $1.38M | 0 | 3 | |
| BUECHLER KENNETH F | director | 70288 0.1032% | $1.24M | 0 | 7 | |
| Brown Thomas D | director | 53958 0.0793% | $952,358.70 | 0 | 7 | |
| TAMERIUS JOHN | SVP, Strat & Ext Affairs | 23540 0.0346% | $415,481.00 | 1 | 16 | +19.46% |
| DE BRUIN ANDRE | director | 23300 0.0342% | $411,245.00 | 0 | 8 | |
| RADAK JOHN MATTHEW | Chief Financial Officer | 21836 0.0321% | $385,405.40 | 2 | 0 | +11.13% |
| PULIDO MARK | director | 21756 0.032% | $383,993.40 | 0 | 5 | |
| Russell Edward Keith | SVP, Business Development | 17190 0.0252% | $303,403.50 | 0 | 6 | |
| WATTLETON FAYE | director | 14930 0.0219% | $263,514.50 | 0 | 2 | |
| GLAZE THOMAS A | director | 14930 0.0219% | $263,514.50 | 0 | 9 | |
| Bujarski Robert Joseph | SVP, NA Comm Ops & Gen Counsel | 13383 0.0197% | $236,209.95 | 0 | 15 | |
| SLACIK CHARLES P | director | 11465 0.0168% | $202,357.25 | 0 | 4 | |
| Kroll Werner | SVP, R&D | 8119 0.0119% | $143,300.35 | 0 | 10 | |
| Abney Michael Donald Jr. | SVP - Distribution | 6634 0.0097% | $117,090.10 | 0 | 8 | |
| Michael Edward L. | director | 6434 0.0095% | $113,560.10 | 1 | 0 | <0.0001% |
| Ferenczy William J. | SVP, Cardio/Metabolic Unit | 5324 0.0078% | $93,968.60 | 0 | 2 | |
| Dammeyer Rodney F | director | 3906 0.0057% | $68,940.90 | 2 | 2 | +56.82% |
| STEWARD RANDALL J | Chief Financial Officer | 2848 0.0042% | $50,267.20 | 0 | 8 | |
| GIBSON KAREN | SVP, IS & Bus. Transformation | 759 0.0011% | $13,396.35 | 0 | 4 | |
| BORKAR RATAN S | SVP, Intl Comm Operations | 524 0.0008% | $9,248.60 | 0 | 12 | |
| McLeod Scot M | SVP - Operations | 0 0% | $0 | 2 | 1 | +1.94% |
| Carlyle Group Inc. | 10 percent owner | 0 0% | $0 | 0 | 42 |
| Increased Positions | 119 | +37.9% | 8M | +9.76% |
| Decreased Positions | 141 | -44.9% | 8M | -9.22% |
| New Positions | 35 | New | 1M | New |
| Sold Out Positions | 40 | Sold Out | 4M | Sold Out |
| Total Postitions | 292 | -7.01% | 82M | +0.53% |
| T. Rowe Price Investment Management, Inc. | $316,931.00 | 16.19% | 11.01M | -124,035 | -1.11% | 2025-09-30 |
| Blackrock, Inc. | $294,136.00 | 15.03% | 10.22M | -923 | <0.01% | 2025-09-30 |
| Vanguard Group Inc | $219,770.00 | 11.23% | 7.64M | -160,269 | -2.06% | 2025-09-30 |
| Rubric Capital Management Lp | $133,474.00 | 6.82% | 4.64M | 0 | 0% | 2025-09-30 |
| Fmr Llc | $129,399.00 | 6.61% | 4.5M | +2M | +71.91% | 2025-09-30 |
| Invesco Ltd. | $83,657.00 | 4.28% | 2.91M | +1M | +87.02% | 2025-09-30 |
| Dimensional Fund Advisors Lp | $82,295.00 | 4.21% | 2.86M | +350,636 | +13.98% | 2025-09-30 |
| Newtyn Management, Llc | $77,706.00 | 3.97% | 2.7M | +994,332 | +58.3% | 2025-09-30 |
| State Street Corp | $76,806.00 | 3.93% | 2.67M | -32,201 | -1.19% | 2025-09-30 |
| American Century Companies Inc | $60,886.00 | 3.11% | 2.12M | +199,909 | +10.44% | 2025-09-30 |