Thurston Springer Miller Herd & Titak’s QuidelOrtho QDEL Stock Holding History

Thurston Springer Miller Herd & Titak’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
2025 Q3	–	Sell	-1	Closed	-$28	–	1168
2025 Q2	$28	Buy	+1	New	+$30	﹤0.01%	1631
2025 Q1	–	Sell	-5	Closed	-$222	–	1740
2024 Q4	$222	Hold	5	–	–	﹤0.01%	1295
2024 Q3	$228	Hold	5	–	–	﹤0.01%	1501
2024 Q2	$166	Buy	+5	New	+$205	﹤0.01%	1496

Other funds holding QDEL

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

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

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

RCMNY

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

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

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

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

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

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

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

Thurston Springer Miller Herd & Titak's QDEL Position: Q3 2025 in Review

Thurston Springer Miller Herd & Titak sold out of QuidelOrtho (QDEL) in Q3 2025, closing a stake of 1 share — an estimated $28 sold.

Thurston Springer Miller Herd & Titak first reported a position in QDEL in Q2 2024 and held it in 4 quarters. The position peaked at $228 in Q3 2024. 254 funds tracked by Wall St. Rank hold QDEL as of Q3 2025.

Thurston Springer Miller Herd & Titak reported no remaining QuidelOrtho position as of Q3 2025 after selling out during the quarter.
Thurston Springer Miller Herd & Titak sold 1 QuidelOrtho share in Q3 2025, an estimated $28.
Thurston Springer Miller Herd & Titak first reported a position in QuidelOrtho in Q2 2024 and held it in 4 quarters.
Thurston Springer Miller Herd & Titak's QuidelOrtho position peaked at $228 in Q3 2024.
254 funds tracked by Wall St. Rank held QuidelOrtho as of Q3 2025.

Based on Thurston Springer Miller Herd & Titak's 13F filing for Q3 2025, filed 7 Oct 2025.