Marshall Wace
QDEL icon

Marshall Wace’s QuidelOrtho QDEL Stock Holding History

Marshall Wace’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 		$3.02M Buy
172,500
+40,667
+31% +$537K ﹤0.01% 1622
2026
Q1 		$2.17M Buy
+131,833
New +$3.24M ﹤0.01% 1738
2025
Q2 		– Sell
-6,011
Closed -$210K – 3074
2025
Q1 		$210K Sell
6,011
-234,281
-97% -$9.56M ﹤0.01% 2387
2024
Q4 		$10.7M Buy
240,292
+229,707
+2,170% +$9.4M 0.01% 775
2024
Q3 		$483K Sell
10,585
-133,000
-93% -$5.38M ﹤0.01% 1927
2024
Q2 		$4.77M Buy
143,585
+99,755
+228% +$4.08M 0.01% 1007
2024
Q1 		$2.1M Buy
+43,830
New +$2.56M ﹤0.01% 1343
2023
Q3 		– Sell
-19,123
Closed -$1.58M – 2588
2023
Q2 		$1.58M Buy
+19,123
New +$1.67M ﹤0.01% 1518
2023
Q1 		– Sell
-3,300
Closed -$283K – 3024
2022
Q4 		$283K Buy
+3,300
New +$280K ﹤0.01% 2588
2022
Q3 		– Sell
-2,505
Closed -$243K – 3709
2022
Q2 		$243K Buy
+2,505
New +$255K ﹤0.01% 3097
2021
Q4 		– Sell
-45,025
Closed -$6.36M – 4207
2021
Q3 		$6.36M Buy
45,025
+28,223
+168% +$3.79M 0.03% 810
2021
Q2 		$2.15M Buy
+16,802
New +$1.98M 0.01% 1377
2021
Q1 		– Sell
-34,376
Closed -$6.18M – 2788
2020
Q4 		$6.18M Buy
34,376
+33,119
+2,635% +$7.36M 0.03% 496
2020
Q3 		$276K Buy
+1,257
New +$281K ﹤0.01% 1382
2020
Q2 		– Sell
-12,209
Closed -$1.19M – 1869
2020
Q1 		$1.19M Sell
12,209
-11,875
-49% -$961K 0.01% 761
2019
Q4 		$1.81M Sell
24,084
-116,692
-83% -$7.54M 0.01% 840
2019
Q3 		$8.64M Sell
140,776
-151,733
-52% -$9.13M 0.07% 336
2019
Q2 		$17.4M Sell
292,509
-19,211
-6% -$1.15M 0.14% 155
2019
Q1 		$20.4M Sell
311,720
-64,714
-17% -$3.91M 0.19% 122
2018
Q4 		$18.4M Buy
+376,434
New +$22.5M 0.19% 125
2016
Q1 		– Sell
-41,642
Closed -$883K – 1162
2015
Q4 		$883K Buy
+41,642
New +$846K 0.01% 732

Other funds holding QDEL

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
NM
Newtyn Management New York $801M AUM 23.14% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Neuberger Berman Group
Neuberger Berman Group New York $150B AUM 40.08% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
RCMNY
Rubric Capital Management (New York) New York $10.9B AUM 70.31% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Marshall Wace's QDEL Position: Q2 2026 in Review

Marshall Wace increased its QuidelOrtho (QDEL) stake by 31% in Q2 2026, buying an estimated $537K and bringing the position to 172,500 shares worth $3.02M. The position accounts for ﹤0.01% of the portfolio, ranked #1622.

Marshall Wace first reported a position in QDEL in Q4 2015 and has held it in 21 quarters since. The position peaked at $20.4M in Q1 2019. 245 funds tracked by Wall St. Rank hold QDEL as of Q2 2026.

  • Marshall Wace held 172,500 shares of QuidelOrtho worth $3.02M as of Q2 2026.
  • Marshall Wace bought 40,667 QuidelOrtho shares in Q2 2026, an estimated $537K.
  • QuidelOrtho made up ﹤0.01% of Marshall Wace's portfolio in Q2 2026, its #1622 holding.
  • Marshall Wace first reported a position in QuidelOrtho in Q4 2015 and has held it in 21 quarters since.
  • Marshall Wace's QuidelOrtho position peaked at $20.4M in Q1 2019.
  • 245 funds tracked by Wall St. Rank held QuidelOrtho as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.