Marshall Wace’s Qiagen QGEN Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $31.6M | Buy |
789,998
+483,767
| +158% | +$22.9M | 0.03% | 537 |
|
|
2025
Q4 | $14M | Sell |
306,231
-564,623
| -65% | -$26.1M | 0.01% | 753 |
|
|
2025
Q3 | $38.6M | Sell |
870,854
-161,395
| -16% | -$7.72M | 0.04% | 402 |
|
|
2025
Q2 | $49.6M | Sell |
1,032,249
-75,596
| -7% | -$3.29M | 0.06% | 296 |
|
|
2025
Q1 | $44M | Sell |
1,107,845
-281,402
| -20% | -$11.8M | 0.06% | 308 |
|
|
2024
Q4 | $63.7M | Buy |
1,389,247
+805,669
| +138% | +$36.1M | 0.08% | 235 |
|
|
2024
Q3 | $27.1M | Buy |
583,578
+329,446
| +130% | +$15M | 0.03% | 421 |
|
|
2024
Q2 | $10.8M | Sell |
254,132
-201,863
| -44% | -$8.85M | 0.01% | 700 |
|
|
2024
Q1 | $20.1M | Sell |
455,995
-285,726
| -39% | -$13M | 0.03% | 510 |
|
|
2023
Q4 | $34.2M | Sell |
741,721
-1,367,230
| -65% | -$58.2M | 0.06% | 324 |
|
|
2023
Q3 | $90.6M | Sell |
2,108,951
-393,714
| -16% | -$18.4M | 0.18% | 108 |
|
|
2023
Q2 | $119M | Buy |
2,502,665
+492,407
| +24% | +$23.7M | 0.23% | 83 |
|
|
2023
Q1 | $97.1M | Sell |
2,010,258
-77,235
| -4% | -$3.93M | 0.21% | 107 |
|
|
2022
Q4 | $111M | Sell |
2,087,493
-130,232
| -6% | -$6.42M | 0.25% | 82 |
|
|
2022
Q3 | $98.9M | Buy |
2,217,725
+135,652
| +7% | +$6.7M | 0.22% | 88 |
|
|
2022
Q2 | $103M | Buy |
2,082,073
+283,834
| +16% | +$13.8M | 0.21% | 101 |
|
|
2022
Q1 | $94.4M | Buy |
1,798,239
+960,398
| +115% | +$49.6M | 0.18% | 114 |
|
|
2021
Q4 | $49.5M | Buy |
837,841
+619,499
| +284% | +$35.5M | 0.09% | 214 |
|
|
2021
Q3 | $12M | Sell |
218,342
-84,632
| -28% | -$4.71M | 0.05% | 458 |
|
|
2021
Q2 | $15.5M | Buy |
302,974
+141,612
| +88% | +$7.31M | 0.07% | 309 |
|
|
2021
Q1 | $8.3M | Sell |
161,362
-311,897
| -66% | -$17.1M | 0.04% | 550 |
|
|
2020
Q4 | $26.1M | Sell |
473,259
-409,893
| -46% | -$21.9M | 0.14% | 144 |
|
|
2020
Q3 | $48.7M | Buy |
883,152
+477,675
| +118% | +$24.8M | 0.31% | 66 |
|
|
2020
Q2 | $18.5M | Buy |
405,477
+222,623
| +122% | +$9.96M | 0.13% | 163 |
|
|
2020
Q1 | $7.81M | Sell |
182,854
-52,586
| -22% | -$2.05M | 0.08% | 261 |
|
|
2019
Q4 | $8.5M | Sell |
235,440
-998,041
| -81% | -$37.1M | 0.06% | 348 |
|
|
2019
Q3 | $42.9M | Buy |
1,233,481
+486,771
| +65% | +$18.7M | 0.34% | 61 |
|
|
2019
Q2 | $32.2M | Buy |
746,710
+364,618
| +95% | +$15.1M | 0.26% | 75 |
|
|
2019
Q1 | $16.5M | Buy |
+382,092
| New | +$15.4M | 0.15% | 162 |
|
|
2018
Q4 | – | Sell |
-103,831
| Closed | -$4.17M | – | 1766 |
|
|
2018
Q3 | $4.17M | Sell |
103,831
-311,812
| -75% | -$12.5M | 0.04% | 500 |
|
|
2018
Q2 | $16.1M | Sell |
415,643
-134,797
| -24% | -$4.96M | 0.24% | 121 |
|
|
2018
Q1 | $18.8M | Sell |
550,440
-817,374
| -60% | -$28.7M | 0.78% | 34 |
|
|
2017
Q4 | $45.6M | Buy |
+1,367,814
| New | +$47.1M | 1.92% | 12 |
|
Other funds holding QGEN
VCM
Marshall Wace's QGEN Position: Q1 2026 in Review
Marshall Wace increased its Qiagen (QGEN) stake by 158% in Q1 2026, buying an estimated $22.9M and bringing the position to 789,998 shares worth $31.6M. The position accounts for 0.03% of the portfolio, ranked #537.
Marshall Wace first reported a position in QGEN in Q4 2017 and has held it in 33 quarters since. The position peaked at $119M in Q2 2023. 344 funds tracked by Wall St. Rank hold QGEN as of Q1 2026.
- Marshall Wace held 789,998 shares of Qiagen worth $31.6M as of Q1 2026.
- Marshall Wace bought 483,767 Qiagen shares in Q1 2026, an estimated $22.9M.
- Qiagen made up 0.03% of Marshall Wace's portfolio in Q1 2026, its #537 holding.
- Marshall Wace first reported a position in Qiagen in Q4 2017 and has held it in 33 quarters since.
- Marshall Wace's Qiagen position peaked at $119M in Q2 2023.
- 344 funds tracked by Wall St. Rank held Qiagen as of Q1 2026.
Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.