Company Analysis

QuidelOrtho Corporation (QDEL)

Nasdaq: QDEL · In Vitro & In Vivo Diagnostic Substances · San Diego, CA · filing with the SEC since 2022
Grade4.8
◀ Past 5.8● Present 5.0▶ Future 3.6

Who owns QuidelOrtho Corporation

As filed with the SEC
Holders of 5% or more
7
Blackrock, Inc. holds 14.8% of Common Stock, as its SCHEDULE 13G/A filed Jul 17, 2025 says.
Directors and officers
19
report now, of 29 people on the record since 2020. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 7 named at left.
Holders of 5% or moreshare of the class, as filed
Blackrock, Inc.
SCHEDULE 13G/A · filed Jul 17, 2025 · Common Stock · 12.5% in Feb 5, 2025
14.8%
Newtyn Management, LLC
SCHEDULE 13G/A · filed Aug 14, 2026 · Common Stock · 7.8% in May 6, 2026
9.7%
Vanguard Portfolio Management
6%
Fmr LLC
SCHEDULE 13G/A · filed Oct 7, 2026 · COMMON STOCK · 11.5% in May 7, 2026
5.8%
Rubric Capital Management LP
SCHEDULE 13G/A · filed Feb 13, 2026 · Common Stock, par value $0.001 per share · 6.86% in Jul 9, 2025
5.56%
Vanguard Capital Management
5.24%
Invesco LTD
SCHEDULE 13G · filed Aug 13, 2026 · Common Stock · 4.6% in May 6, 2026
5.1%
Neuberger Berman Group LLC
SCHEDULE 13G/A · filed Aug 5, 2026 · Common · reported falling below 5%, from 5.2% in Jul 8, 2026
under 5%
T. Rowe Price Investment Management, Inc.
SCHEDULE 13G/A · filed Aug 14, 2026 · COMMON STOCK · reported falling below 5%, from 8.3% in Apr 8, 2026
under 5%
The Vanguard Group
SCHEDULE 13G/A · filed Mar 27, 2026 · Common Stock · reported falling below 5%, from 11.5% in Jul 29, 2025
under 5%
What QDEL reports owning in othersstakes of 5% or more, and other ties

77 subsidiaries in 39 countries, from the list filed with the 10-K filed Feb 19, 2026.

Insider tradesForm 4
1sales
9purchases
0sales on a scheduled plan
1people selling
$100,000sold, in dollars
$1.3Mbought, in dollars
Open-market trades on Form 4 from Oct 19, 2025 to Oct 19, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
23242526
2026 runs to Oct 19, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window7 of 38 on the roster
PersonRole as filedSalesSoldOn a planBuysBought
Widder Kenneth Jdirector1$100,00000$0
Busky Joseph MChief Financial Officer0$003$300,000
Blaser Brian J.President and CEO0$002$800,000
Polan Mary Lake Ph Ddirector0$001$0
Rhoads Ann Ddirector0$001$0
Wilkins Joseph D Jr.director0$001$0
Strobeck Matthewdirector0$001$200,000
SI Assistanton QDEL · research, not advice