O'Shaughnessy Asset Management’s Qiagen QGEN Stock Holding History

O'Shaughnessy Asset Management’s Portfolio QGEN Stock Details QGEN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-5,372	Closed	-$242K	–	2793
2025 Q4	$242K	Buy	+5,372	New	+$248K	﹤0.01%	1893
2021 Q4	–	Sell	-613	Closed	-$34K	–	2190
2021 Q3	$34K	Buy	613 +264	+76%	+$14.7K	﹤0.01%	1788
2021 Q2	$18K	Sell	349 -591	-63%	-$30.5K	﹤0.01%	1869
2021 Q1	$49K	Sell	940 -218	-19%	-$12K	﹤0.01%	1407
2020 Q4	$65K	Buy	1,158 +53	+5%	+$2.83K	﹤0.01%	1190
2020 Q3	$61K	Buy	1,105 +383	+53%	+$19.9K	﹤0.01%	1040
2020 Q2	$33K	Buy	722 +565	+360%	+$25.3K	﹤0.01%	1071
2020 Q1	$7K	Buy	+157	New	+$6.13K	﹤0.01%	1048
2019 Q4	–	Sell	-680	Closed	-$24K	–	1888
2019 Q3	$24K	Sell	680 -15	-2%	-$577	﹤0.01%	765
2019 Q2	$30K	Hold	695	–	–	﹤0.01%	752
2019 Q1	$30K	Buy	+695	New	+$28K	﹤0.01%	748

Other funds holding QGEN

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Deutsche Bank Frankfurt Am Main Ge, Germany $303B AUM 30.15% 1-Year Est. Return

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

Amundi Paris, France $367B AUM 31.23% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

EARNEST Partners Atlanta, Georgia $24.3B AUM 34.41% 1-Year Est. Return

Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

O'Shaughnessy Asset Management's QGEN Position: Q1 2026 in Review

O'Shaughnessy Asset Management sold out of Qiagen (QGEN) in Q1 2026, closing a stake of 5,372 shares — an estimated $242K sold.

O'Shaughnessy Asset Management first reported a position in QGEN in Q1 2019 and held it in 11 quarters. The position peaked at $242K in Q4 2025. 343 funds tracked by Wall St. Rank hold QGEN as of Q1 2026.

O'Shaughnessy Asset Management reported no remaining Qiagen position as of Q1 2026 after selling out during the quarter.
O'Shaughnessy Asset Management sold 5,372 Qiagen shares in Q1 2026, an estimated $242K.
O'Shaughnessy Asset Management first reported a position in Qiagen in Q1 2019 and held it in 11 quarters.
O'Shaughnessy Asset Management's Qiagen position peaked at $242K in Q4 2025.
343 funds tracked by Wall St. Rank held Qiagen as of Q1 2026.

Based on O'Shaughnessy Asset Management's 13F filing for Q1 2026, filed 13 May 2026.