David Shaw’s QuidelOrtho QDEL Stock Holding History

David Shaw’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	–	Sell	-12,000	Closed	-$197K	–	5144
2026 Q1	$197K	Buy	12,000 +1,900	+19%	+$46.7K	﹤0.01%	4212
2025 Q4	$288K	Sell	10,100 -42,800	-81%	-$1.16M	﹤0.01%	4174
2025 Q3	$1.56M	Buy	+52,900	New	+$1.45M	﹤0.01%	3160
2023 Q1	–	Sell	-22,900	Closed	-$1.96M	–	4778
2022 Q4	$1.96M	Hold	22,900	–	–	﹤0.01%	2956
2022 Q3	$1.64M	Hold	22,900	–	–	﹤0.01%	3175
2022 Q2	$2.23M	Hold	22,900	–	–	﹤0.01%	2973
2022 Q1	$2.58M	Hold	22,900	–	–	﹤0.01%	3050
2021 Q4	$3.09M	Sell	22,900 -10,000	-30%	-$1.39M	﹤0.01%	2922
2021 Q3	$4.64M	Sell	32,900 -15,000	-31%	-$2.02M	﹤0.01%	2170
2021 Q2	$6.14M	Buy	47,900 +2,400	+5%	+$283K	0.01%	1878
2021 Q1	$5.82M	Buy	+45,500	New	+$8.4M	0.01%	1737
2014 Q2	–	Sell	-30,000	Closed	-$819K	–	4469
2014 Q1	$819K	Buy	+30,000	New	+$875K	﹤0.01%	3205

Other funds holding QDEL

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

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

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

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Neuberger Berman Group New York $150B AUM 40.08% 1-Year Est. Return

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

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 Malvern, Pennsylvania $4.68T AUM

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

David Shaw's QDEL Position: Q2 2026 in Review

David Shaw reduced its QuidelOrtho (QDEL) stake by 1.6% in Q2 2026, selling an estimated $59K and leaving 270,233 shares worth $4.73M. The position accounts for ﹤0.01% of the portfolio, ranked #2454.

David Shaw first reported a position in QDEL in Q2 2013 and has held it in 43 quarters since. The position peaked at $77M in Q4 2024. 244 funds tracked by Wall St. Rank hold QDEL as of Q2 2026.

David Shaw held 270,233 shares of QuidelOrtho worth $4.73M as of Q2 2026.
David Shaw sold 4,466 QuidelOrtho shares in Q2 2026, an estimated $59K.
QuidelOrtho made up ﹤0.01% of David Shaw's portfolio in Q2 2026, its #2454 holding.
David Shaw first reported a position in QuidelOrtho in Q2 2013 and has held it in 43 quarters since.
David Shaw's QuidelOrtho position peaked at $77M in Q4 2024.
244 funds tracked by Wall St. Rank held QuidelOrtho as of Q2 2026.

Based on D.E. Shaw & Co's 13F filing for Q2 2026, filed 14 Aug 2026.