Rubric Capital Management (New York)’s QuidelOrtho QDEL Stock Holding History

Rubric Capital Management (New York)’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	$54.3M	Sell	3,306,281 -470,876	-12%	-$11.6M	0.58%	38
2025 Q4	$108M	Sell	3,777,157 -860,581	-19%	-$23.3M	1.29%	18
2025 Q3	$137M	Hold	4,637,738	–	–	1.54%	15
2025 Q2	$134M	Sell	4,637,738 -1,502,262	-24%	-$44.4M	2.02%	14
2025 Q1	$215M	Buy	6,140,000 +590,000	+11%	+$24.1M	3.85%	5
2024 Q4	$247M	Buy	5,550,000 +1,350,000	+32%	+$55.2M	3.17%	7
2024 Q3	$192M	Buy	4,200,000 +554,410	+15%	+$22.4M	3.12%	7
2024 Q2	$121M	Buy	3,645,590 +1,245,590	+52%	+$51M	3.18%	8
2024 Q1	$115M	Buy	2,400,000 +1,419,937	+145%	+$82.8M	3.4%	7
2023 Q4	$72.2M	Buy	980,063 +683,637	+231%	+$46.2M	1.5%	10
2023 Q3	$21.7M	Buy	+296,426	New	+$23.7M	0.81%	33

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

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

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Rubric Capital Management (New York)'s QDEL Position: Q1 2026 in Review

Rubric Capital Management (New York) reduced its QuidelOrtho (QDEL) stake by 12% in Q1 2026, selling an estimated $11.6M and leaving 3,306,281 shares worth $54.3M. The position accounts for 0.58% of the portfolio, ranked #38.

Rubric Capital Management (New York) first reported a position in QDEL in Q3 2023 and has held it in 11 quarters since. The position peaked at $247M in Q4 2024. 238 funds tracked by Wall St. Rank hold QDEL as of Q1 2026.

Rubric Capital Management (New York) held 3,306,281 shares of QuidelOrtho worth $54.3M as of Q1 2026.
Rubric Capital Management (New York) sold 470,876 QuidelOrtho shares in Q1 2026, an estimated $11.6M.
QuidelOrtho made up 0.58% of Rubric Capital Management (New York)'s portfolio in Q1 2026, its #38 holding.
Rubric Capital Management (New York) first reported a position in QuidelOrtho in Q3 2023 and has held it in 11 quarters since.
Rubric Capital Management (New York)'s QuidelOrtho position peaked at $247M in Q4 2024.
238 funds tracked by Wall St. Rank held QuidelOrtho as of Q1 2026.

Based on Rubric Capital Management (New York)'s 13F filing for Q1 2026, filed 15 May 2026.