Arrowstreet Capital’s QuidelOrtho QDEL Stock Holding History

Arrowstreet Capital’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	-45,569	Closed	-$1.31M	–	2076
2025 Q2	$1.31M	Buy	+45,569	New	+$1.35M	﹤0.01%	1553
2023 Q2	–	Sell	-69,378	Closed	-$6.18M	–	1438
2023 Q1	$6.18M	Sell	69,378 -61,460	-47%	-$5.35M	0.01%	647
2022 Q4	$11.2M	Sell	130,838 -18,621	-12%	-$1.58M	0.02%	503
2022 Q3	$10.7M	Buy	149,459 +56,449	+61%	+$5.05M	0.02%	511
2022 Q2	$9.04M	Buy	+93,010	New	+$9.48M	0.01%	504
2021 Q1	–	Sell	-397,071	Closed	-$71.3M	–	2473
2020 Q4	$71.3M	Sell	397,071 -36,061	-8%	-$8.01M	0.1%	181
2020 Q3	$95M	Buy	433,132 +370,231	+589%	+$82.6M	0.15%	120
2020 Q2	$14.1M	Buy	62,901 +46,801	+291%	+$7.33M	0.03%	638
2020 Q1	$1.57M	Buy	+16,100	New	+$1.3M	﹤0.01%	1146
2019 Q2	–	Sell	-22,500	Closed	-$1.47M	–	1649
2019 Q1	$1.47M	Buy	+22,500	New	+$1.36M	﹤0.01%	1197
2018 Q4	–	Sell	-5,100	Closed	-$332K	–	1472
2018 Q3	$332K	Sell	5,100 -7,982	-61%	-$558K	﹤0.01%	963
2018 Q2	$870K	Buy	+13,082	New	+$790K	﹤0.01%	830
2017 Q3	–	Sell	-96,520	Closed	-$2.62M	–	1205
2017 Q2	$2.62M	Buy	+96,520	New	+$2.39M	0.01%	596
2016 Q4	–	Sell	-35,430	Closed	-$783K	–	2347
2016 Q3	$783K	Buy	+35,430	New	+$756K	﹤0.01%	1130
2016 Q1	–	Sell	-10,617	Closed	-$225K	–	1485
2015 Q4	$225K	Buy	+10,617	New	+$216K	﹤0.01%	1287

Other funds holding QDEL

T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

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 Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Newtyn Management New York $801M AUM 23.14% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

Arrowstreet Capital's QDEL Position: Q3 2025 in Review

Arrowstreet Capital sold out of QuidelOrtho (QDEL) in Q3 2025, closing a stake of 45,569 shares — an estimated $1.31M sold.

Arrowstreet Capital first reported a position in QDEL in Q4 2015 and held it in 15 quarters. The position peaked at $95M in Q3 2020. 255 funds tracked by Wall St. Rank hold QDEL as of Q3 2025.

Arrowstreet Capital reported no remaining QuidelOrtho position as of Q3 2025 after selling out during the quarter.
Arrowstreet Capital sold 45,569 QuidelOrtho shares in Q3 2025, an estimated $1.31M.
Arrowstreet Capital first reported a position in QuidelOrtho in Q4 2015 and held it in 15 quarters.
Arrowstreet Capital's QuidelOrtho position peaked at $95M in Q3 2020.
255 funds tracked by Wall St. Rank held QuidelOrtho as of Q3 2025.

Based on Arrowstreet Capital's 13F filing for Q3 2025, filed 13 Nov 2025.