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Gagnon Securities LLC

SEC CIK
0001125725
Latest filing
Aug 4, 2026

QDEL holding history

QuidelOrtho Corp in every 13F filed by Gagnon Securities LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

QDEL overviewAll 13F holders of QDELFull Q2 2026 holdings

Shares (Q2 2026)
1,030,371
Value
$18.0M
% of portfolio
3.5%
Quarters held
22
Since Q1 2021
Holdings of QDEL by Gagnon Securities LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20261,030,371$18.0M3.5%+627,046+155.5%AddedHolders
Q1 2026403,325$6.63M1.5%+244,148+153.4%AddedHolders
Q4 2025159,177$4.55M0.9%+36,678+29.9%AddedHolders
Q3 2025122,499$3.61M0.7%+49,622+68.1%AddedHolders
Q2 202572,877$2.10M0.4%−18,257−20.0%ReducedHolders
Q1 202591,134$3.19M0.7%+74+0.1%AddedHolders
Q4 202491,060$4.06M0.8%+28,431+45.4%AddedHolders
Q3 202462,629$2.86M0.6%−112,123−64.2%ReducedHolders
Q2 2024174,752$5.81M1.3%−49,245−22.0%ReducedHolders
Q1 2024223,997$10.7M2.5%+126,289+129.3%AddedHolders
Q4 202397,708$7.20M1.7%−6,816−6.5%ReducedHolders
Q3 2023104,524$7.63M1.9%+752+0.7%AddedHolders
Q2 2023103,772$8.60M1.8%+213+0.2%AddedHolders
Q1 2023103,559$9.23M1.9%+3,285+3.3%AddedHolders
Q4 2022100,274$8.59M1.9%−12,266−10.9%ReducedHolders
Q3 2022112,540$8.04M1.8%+3,112+2.8%AddedHolders
Q2 2022109,428$10.6M2.2%−3,136−2.8%ReducedHolders
Q1 2022112,564$12.7M2.1%+9,443+9.2%AddedHolders
Q4 2021103,121$13.9M2.1%+2,496+2.5%AddedHolders
Q3 2021100,625$14.2M2.1%+26,872+36.4%AddedHolders
Q2 202173,753$9.45M1.3%+57,333+349.2%AddedHolders
Q1 202116,420$2.10M0.3%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.