Campbell & Co Investment Adviser’s QuidelOrtho QDEL Stock Holding History

Campbell & Co Investment Adviser’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	–	Sell	-77,189	Closed	-$2.2M	–	1359
2025 Q4	$2.2M	Buy	77,189 +53,622	+228%	+$1.45M	0.11%	304
2025 Q3	$694K	Buy	+23,567	New	+$644K	0.05%	576
2025 Q2	–	Sell	-29,061	Closed	-$1.02M	–	1410
2025 Q1	$1.02M	Buy	+29,061	New	+$1.19M	0.08%	421
2024 Q3	–	Sell	-31,555	Closed	-$1.05M	–	1286
2024 Q2	$1.05M	Buy	+31,555	New	+$1.29M	0.09%	345
2024 Q1	–	Sell	-8,154	Closed	-$601K	–	1325
2023 Q4	$601K	Buy	+8,154	New	+$551K	0.05%	628
2022 Q3	–	Sell	-12,235	Closed	-$1.19M	–	889
2022 Q2	$1.19M	Buy	12,235 +7,861	+180%	+$801K	0.32%	51
2022 Q1	$492K	Buy	+4,374	New	+$466K	0.13%	283
2018 Q4	–	Sell	-4,400	Closed	-$287K	–	472
2018 Q3	$287K	Sell	4,400 -100	-2%	-$6.99K	0.2%	239
2018 Q2	$299K	Sell	4,500 -6,895	-61%	-$417K	0.23%	195
2018 Q1	$590K	Buy	+11,395	New	+$530K	0.5%	33
2017 Q3	–	Sell	-14,220	Closed	-$386K	–	434
2017 Q2	$386K	Buy	+14,220	New	+$352K	0.36%	85

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

Campbell & Co Investment Adviser's QDEL Position: Q1 2026 in Review

Campbell & Co Investment Adviser sold out of QuidelOrtho (QDEL) in Q1 2026, closing a stake of 77,189 shares — an estimated $2.2M sold.

Campbell & Co Investment Adviser first reported a position in QDEL in Q2 2017 and held it in 11 quarters. The position peaked at $2.2M in Q4 2025. 238 funds tracked by Wall St. Rank hold QDEL as of Q1 2026.

Campbell & Co Investment Adviser reported no remaining QuidelOrtho position as of Q1 2026 after selling out during the quarter.
Campbell & Co Investment Adviser sold 77,189 QuidelOrtho shares in Q1 2026, an estimated $2.2M.
Campbell & Co Investment Adviser first reported a position in QuidelOrtho in Q2 2017 and held it in 11 quarters.
Campbell & Co Investment Adviser's QuidelOrtho position peaked at $2.2M in Q4 2025.
238 funds tracked by Wall St. Rank held QuidelOrtho as of Q1 2026.

Based on Campbell & Co Investment Adviser's 13F filing for Q1 2026, filed 15 May 2026.