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Gagnon Securities’s QuidelOrtho QDEL Stock Holding History

Gagnon Securities’s Portfolio QDEL Stock Details QDEL Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$18M Buy
1,030,371
+627,046
+155% +$8.28M 3.48% 7
2026
Q1 		$6.63M Buy
403,325
+244,148
+153% +$6M 1.53% 22
2025
Q4 		$4.55M Buy
159,177
+36,678
+30% +$994K 0.93% 31
2025
Q3 		$3.61M Buy
122,499
+49,622
+68% +$1.36M 0.72% 37
2025
Q2 		$2.1M Sell
72,877
-18,257
-20% -$540K 0.43% 37
2025
Q1 		$3.19M Buy
91,134
+74
+0.1% +$3.02K 0.7% 36
2024
Q4 		$4.06M Buy
91,060
+28,431
+45% +$1.16M 0.82% 34
2024
Q3 		$2.86M Sell
62,629
-112,123
-64% -$4.54M 0.57% 36
2024
Q2 		$5.81M Sell
174,752
-49,245
-22% -$2.01M 1.31% 28
2024
Q1 		$10.7M Buy
223,997
+126,289
+129% +$7.36M 2.54% 15
2023
Q4 		$7.2M Sell
97,708
-6,816
-7% -$461K 1.73% 23
2023
Q3 		$7.63M Buy
104,524
+752
+0.7% +$60.1K 1.91% 22
2023
Q2 		$8.6M Buy
103,772
+213
+0.2% +$18.6K 1.79% 24
2023
Q1 		$9.23M Buy
103,559
+3,285
+3% +$286K 1.94% 23
2022
Q4 		$8.59M Sell
100,274
-12,266
-11% -$1.04M 1.9% 21
2022
Q3 		$8.04M Buy
112,540
+3,112
+3% +$278K 1.77% 24
2022
Q2 		$10.6M Sell
109,428
-3,136
-3% -$320K 2.23% 20
2022
Q1 		$12.7M Buy
112,564
+9,443
+9% +$1.01M 2.06% 17
2021
Q4 		$13.9M Buy
103,121
+2,496
+2% +$347K 2.09% 19
2021
Q3 		$14.2M Buy
100,625
+26,872
+36% +$3.61M 2.11% 19
2021
Q2 		$9.45M Buy
73,753
+57,333
+349% +$6.75M 1.34% 28
2021
Q1 		$2.1M Sell
16,420
-42,516
-72% -$7.85M 0.32% 49
2020
Q4 		$10.6M Buy
58,936
+1,211
+2% +$269K 1.69% 23
2020
Q3 		$12.7M Sell
57,725
-2,522
-4% -$563K 2.7% 13
2020
Q2 		$13.5M Sell
60,247
-7,339
-11% -$1.15M 3.26% 10
2020
Q1 		$6.61M Sell
67,586
-70,569
-51% -$5.71M 2.25% 16
2019
Q4 		$10.4M Sell
138,155
-2,014
-1% -$130K 2.27% 18
2019
Q3 		$8.6M Sell
140,169
-193
-0.1% -$11.6K 2.03% 20
2019
Q2 		$8.33M Buy
140,362
+23,723
+20% +$1.42M 1.8% 24
2019
Q1 		$7.64M Sell
116,639
-3,396
-3% -$205K 1.66% 25
2018
Q4 		$5.86M Buy
120,035
+90,466
+306% +$5.4M 1.56% 25
2018
Q3 		$1.93M Sell
29,569
-714
-2% -$49.9K 0.44% 37
2018
Q2 		$2.01M Buy
30,283
+243
+0.8% +$14.7K 0.58% 34
2018
Q1 		$1.56M Buy
30,040
+2,353
+8% +$110K 0.55% 34
2017
Q4 		$1.2M Buy
+27,687
New +$1.13M 0.43% 37

Other funds holding QDEL

PMG
Private Management Group Irvine, California $3.8B AUM 23.19% 1-Year Est. Return
SC
Skylands Capital Milwaukee, Wisconsin $814M AUM 32.37% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $204B AUM 27.99% 1-Year Est. Return
GA
Gagnon Advisors New York $157M AUM 36.77% 1-Year Est. Return
YIH
Y-Intercept (HK) Hong Kong $5.05B AUM 17.89% 1-Year Est. Return
MNBTD
Moody National Bank Trust Division Galveston, Texas $1.21B AUM 38.93% 1-Year Est. Return
New York State Teachers Retirement System (NYSTRS)
New York State Teachers Retirement System (NYSTRS) Albany, New York $54.2B AUM 43.77% 1-Year Est. Return
WCM
Wedge Capital Management Charlotte, North Carolina $6.06B AUM 47.24% 1-Year Est. Return
CWP
Curated Wealth Partners El Segundo, California $774M AUM 5.71% 1-Year Est. Return
Citigroup
Citigroup New York $303B AUM 53.02% 1-Year Est. Return

Gagnon Securities's QDEL Position: Q2 2026 in Review

Gagnon Securities increased its QuidelOrtho (QDEL) stake by 155% in Q2 2026, buying an estimated $8.28M and bringing the position to 1,030,371 shares worth $18M. The position accounts for 3.48% of the portfolio, ranked #7.

Gagnon Securities first reported a position in QDEL in Q4 2017 and has held it in 35 quarters since. 72 funds tracked by Wall St. Rank hold QDEL as of Q2 2026.

  • Gagnon Securities held 1,030,371 shares of QuidelOrtho worth $18M as of Q2 2026.
  • Gagnon Securities bought 627,046 QuidelOrtho shares in Q2 2026, an estimated $8.28M.
  • QuidelOrtho made up 3.48% of Gagnon Securities's portfolio in Q2 2026, its #7 holding.
  • Gagnon Securities first reported a position in QuidelOrtho in Q4 2017 and has held it in 35 quarters since.
  • 72 funds tracked by Wall St. Rank held QuidelOrtho as of Q2 2026.

Based on Gagnon Securities's 13F filing for Q2 2026, filed 5 Aug 2026.