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Winton Group’s QuidelOrtho QDEL Stock Holding History

Winton Group’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
2025
Q3 		– Sell
-8,187
Closed -$236K – 978
2025
Q2 		$236K Sell
8,187
-190,059
-96% -$5.62M 0.01% 725
2025
Q1 		$6.93M Buy
198,246
+28,285
+17% +$1.15M 0.42% 37
2024
Q4 		$7.57M Buy
169,961
+32,222
+23% +$1.32M 0.5% 38
2024
Q3 		$6.28M Sell
137,739
-2,807
-2% -$114K 0.44% 41
2024
Q2 		$4.67M Buy
+140,546
New +$5.75M 0.32% 63
2022
Q2 		– Sell
-25,324
Closed -$2.85M – 1058
2022
Q1 		$2.85M Buy
25,324
+9,471
+60% +$1.01M 0.15% 153
2021
Q4 		$2.14M Buy
15,853
+2,878
+22% +$401K 0.13% 208
2021
Q3 		$1.83M Sell
12,975
-934
-7% -$126K 0.1% 223
2021
Q2 		$1.78M Buy
13,909
+7,474
+116% +$880K 0.1% 229
2021
Q1 		$823K Buy
6,435
+3,880
+152% +$716K 0.05% 577
2020
Q4 		$459K Buy
+2,555
New +$568K 0.03% 833
2020
Q3 		– Sell
-7,621
Closed -$1.71M – 1584
2020
Q2 		$1.71M Sell
7,621
-8,107
-52% -$1.27M 0.04% 723
2020
Q1 		$1.54M Sell
15,728
-19,831
-56% -$1.6M 0.04% 648
2019
Q4 		$2.67M Buy
+35,559
New +$2.3M 0.04% 698
2019
Q3 		– Sell
-10,592
Closed -$628K – 1650
2019
Q2 		$628K Buy
10,592
+4,537
+75% +$272K 0.01% 575
2019
Q1 		$396K Sell
6,055
-3,055
-34% -$185K 0.01% 682
2018
Q4 		$445K Sell
9,110
-784
-8% -$46.8K 0.01% 528
2018
Q3 		$645K Buy
9,894
+314
+3% +$21.9K 0.01% 532
2018
Q2 		$637K Sell
9,580
-1,520
-14% -$91.8K 0.02% 553
2018
Q1 		$575K Buy
+11,100
New +$517K 0.02% 708

Other funds holding QDEL

T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
RCMNY
Rubric Capital Management (New York) New York $10.9B AUM 70.31% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
NM
Newtyn Management New York $801M AUM 23.14% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

Winton Group's QDEL Position: Q3 2025 in Review

Winton Group sold out of QuidelOrtho (QDEL) in Q3 2025, closing a stake of 8,187 shares — an estimated $236K sold.

Winton Group first reported a position in QDEL in Q1 2018 and held it in 20 quarters. The position peaked at $7.57M in Q4 2024. 255 funds tracked by Wall St. Rank hold QDEL as of Q3 2025.

  • Winton Group reported no remaining QuidelOrtho position as of Q3 2025 after selling out during the quarter.
  • Winton Group sold 8,187 QuidelOrtho shares in Q3 2025, an estimated $236K.
  • Winton Group first reported a position in QuidelOrtho in Q1 2018 and held it in 20 quarters.
  • Winton Group's QuidelOrtho position peaked at $7.57M in Q4 2024.
  • 255 funds tracked by Wall St. Rank held QuidelOrtho as of Q3 2025.

Based on Winton Group's 13F filing for Q3 2025, filed 13 Nov 2025.