American Century Companies’s Qiagen QGEN Stock Holding History

American Century Companies’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 Q2	$1.71M	Sell	43,733 -79,346	-64%	-$2.95M	﹤0.01%	2257
2026 Q1	$4.93M	Sell	123,079 -57,656	-32%	-$2.73M	﹤0.01%	1787
2025 Q4	$8.13M	Buy	180,735 +118,571	+191%	+$5.48M	﹤0.01%	1546
2025 Q3	$2.78M	Sell	62,164 -414,870	-87%	-$19.9M	﹤0.01%	1945
2025 Q2	$22.9M	Buy	477,034 +444,433	+1,363%	+$19.3M	0.01%	1024
2025 Q1	$1.31M	Buy	32,601 +181	+0.6%	+$7.61K	﹤0.01%	2146
2024 Q4	$1.48M	Hold	32,420	–	–	﹤0.01%	2114
2024 Q3	$1.52M	Buy	32,420 +1,402	+5%	+$63.9K	﹤0.01%	2071
2024 Q2	$1.31M	Buy	31,018 +7,904	+34%	+$347K	﹤0.01%	2065
2024 Q1	$1.02M	Buy	23,114 +5,152	+29%	+$235K	﹤0.01%	2142
2023 Q4	$827K	Sell	17,962 -426	-2%	-$18.1K	﹤0.01%	2156
2023 Q3	$790K	Sell	18,388 -36,359	-66%	-$1.7M	﹤0.01%	2083
2023 Q2	$2.61M	Buy	54,747 +4,796	+10%	+$231K	﹤0.01%	1557
2023 Q1	$2.42M	Buy	49,951 +4,437	+10%	+$226K	﹤0.01%	1545
2022 Q4	$2.41M	Buy	45,514 +20,663	+83%	+$1.02M	﹤0.01%	1493
2022 Q3	$1.09M	Buy	24,851 +7,527	+43%	+$372K	﹤0.01%	1662
2022 Q2	$867K	Buy	+17,324	New	+$845K	﹤0.01%	1710
2019 Q3	–	Sell	-937,335	Closed	-$40.3M	–	1296
2019 Q2	$40.3M	Sell	937,335 -2,509	-0.3%	-$104K	0.04%	401
2019 Q1	$40.5M	Buy	939,844 +1,025	+0.1%	+$41.2K	0.04%	391
2018 Q4	$34.3M	Buy	938,819 +495,357	+112%	+$18.4M	0.04%	393
2018 Q3	$17.8M	Buy	+443,462	New	+$17.7M	0.02%	524

Other funds holding QGEN

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

Principal Financial Group Des Moines, Iowa $204B AUM 27.99% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

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

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

EARNEST Partners Atlanta, Georgia $27.7B AUM 52.44% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Norges Bank Oslo, Norway $1T AUM

Millennium Management New York $276B AUM 44.8% 1-Year Est. Return

American Century Companies's QGEN Position: Q2 2026 in Review

American Century Companies reduced its Qiagen (QGEN) stake by 64% in Q2 2026, selling an estimated $2.95M and leaving 43,733 shares worth $1.71M. The position accounts for ﹤0.01% of the portfolio, ranked #2257.

American Century Companies first reported a position in QGEN in Q3 2018 and has held it in 21 quarters since. The position peaked at $40.5M in Q1 2019. 336 funds tracked by Wall St. Rank hold QGEN as of Q2 2026.

American Century Companies held 43,733 shares of Qiagen worth $1.71M as of Q2 2026.
American Century Companies sold 79,346 Qiagen shares in Q2 2026, an estimated $2.95M.
Qiagen made up ﹤0.01% of American Century Companies's portfolio in Q2 2026, its #2257 holding.
American Century Companies first reported a position in Qiagen in Q3 2018 and has held it in 21 quarters since.
American Century Companies's Qiagen position peaked at $40.5M in Q1 2019.
336 funds tracked by Wall St. Rank held Qiagen as of Q2 2026.

Based on American Century Companies's 13F filing for Q2 2026, filed 12 Aug 2026.