Boothbay Fund Management’s QuidelOrtho QDEL Stock Holding History

Boothbay Fund Management’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	$1.57M	Buy	+89,763	New	+$1.19M	0.02%	849
2025 Q1	–	Sell	-120,589	Closed	-$5.37M	–	1706
2024 Q4	$5.37M	Buy	120,589 +82,513	+217%	+$3.38M	0.13%	227
2024 Q3	$1.74M	Buy	+38,076	New	+$1.54M	0.04%	568
2024 Q2	–	Sell	-6,435	Closed	-$308K	–	1800
2024 Q1	$308K	Buy	+6,435	New	+$375K	0.01%	1181
2022 Q3	–	Sell	-61,036	Closed	-$5.93M	–	2538
2022 Q2	$5.93M	Buy	61,036 +36,536	+149%	+$3.72M	0.16%	137
2022 Q1	$2.75M	Buy	24,500 +22,508	+1,130%	+$2.4M	0.06%	437
2021 Q4	$269K	Buy	+1,992	New	+$277K	0.01%	1316
2021 Q3	–	Sell	-1,652	Closed	-$212K	–	2128
2021 Q2	$212K	Buy	+1,652	New	+$194K	0.01%	1488
2021 Q1	–	Sell	-2,721	Closed	-$489K	–	1746
2020 Q4	$489K	Buy	+2,721	New	+$605K	0.02%	752
2016 Q1	–	Sell	-12,959	Closed	-$275K	–	726
2015 Q4	$275K	Buy	+12,959	New	+$263K	0.12%	301

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 $3.38T AUM 44.17% 1-Year Est. Return

Boothbay Fund Management's QDEL Position: Q2 2026 in Review

Boothbay Fund Management opened a new position in QuidelOrtho (QDEL) in Q2 2026: 89,763 shares worth $1.57M. The stake represents 0.02% of the portfolio and ranks #849 among its holdings. This is a return to the name: Boothbay Fund Management previously reported a position in QDEL as recently as Q4 2024.

Boothbay Fund Management first reported a position in QDEL in Q4 2015 and has held it in 10 quarters since. The position peaked at $5.93M in Q2 2022. 245 funds tracked by Wall St. Rank hold QDEL as of Q2 2026.

Boothbay Fund Management held 89,763 shares of QuidelOrtho worth $1.57M as of Q2 2026.
QuidelOrtho was a new Boothbay Fund Management position in Q2 2026.
QuidelOrtho made up 0.02% of Boothbay Fund Management's portfolio in Q2 2026, its #849 holding.
Boothbay Fund Management first reported a position in QuidelOrtho in Q4 2015 and has held it in 10 quarters since.
Boothbay Fund Management's QuidelOrtho position peaked at $5.93M in Q2 2022.
245 funds tracked by Wall St. Rank held QuidelOrtho as of Q2 2026.

Based on Boothbay Fund Management's 13F filing for Q2 2026, filed 14 Aug 2026.