XTX Topco’s QuidelOrtho QDEL Stock Holding History

XTX Topco’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 Q1	$2.66M	Buy	+161,643	New	+$3.97M	0.05%	636
2024 Q3	–	Sell	-17,136	Closed	-$569K	–	2499
2024 Q2	$569K	Buy	+17,136	New	+$701K	0.05%	595
2024 Q1	–	Sell	-6,970	Closed	-$514K	–	2228
2023 Q4	$514K	Buy	+6,970	New	+$471K	0.11%	239
2022 Q4	–	Sell	-5,182	Closed	-$370K	–	1439
2022 Q3	$370K	Buy	+5,182	New	+$464K	0.09%	376
2021 Q2	–	Sell	-1,854	Closed	-$237K	–	1039
2021 Q1	$237K	Buy	+1,854	New	+$342K	0.12%	408

Other funds holding QDEL

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return

Newtyn Management New York $936M AUM 27.23% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

RCMNY

Rubric Capital Management (New York) New York $9.44B AUM 68.42% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return

XTX Topco's QDEL Position: Q1 2026 in Review

XTX Topco opened a new position in QuidelOrtho (QDEL) in Q1 2026: 161,643 shares worth $2.66M. The stake represents 0.05% of the portfolio and ranks #636 among its holdings. This is a return to the name: XTX Topco previously reported a position in QDEL as recently as Q2 2024.

XTX Topco first reported a position in QDEL in Q1 2021 and has held it in 5 quarters since. 237 funds tracked by Wall St. Rank hold QDEL as of Q1 2026.

XTX Topco held 161,643 shares of QuidelOrtho worth $2.66M as of Q1 2026.
QuidelOrtho was a new XTX Topco position in Q1 2026.
QuidelOrtho made up 0.05% of XTX Topco's portfolio in Q1 2026, its #636 holding.
XTX Topco first reported a position in QuidelOrtho in Q1 2021 and has held it in 5 quarters since.
237 funds tracked by Wall St. Rank held QuidelOrtho as of Q1 2026.

Based on XTX Topco's 13F filing for Q1 2026, filed 15 May 2026.