Marshall Wace’s Alphatec Holdings ATEC Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2025
Q2
$9.61M Sell
865,979
-854,819
-50% -$9.49M 0.01% 776
2025
Q1
$17.4M Sell
1,720,798
-52,448
-3% -$532K 0.02% 510
2024
Q4
$16.3M Buy
1,773,246
+1,032,070
+139% +$9.47M 0.02% 561
2024
Q3
$4.12M Sell
741,176
-358,516
-33% -$1.99M 0.01% 989
2024
Q2
$11.5M Buy
1,099,692
+339,832
+45% +$3.55M 0.02% 614
2024
Q1
$10.5M Buy
759,860
+407,418
+116% +$5.62M 0.02% 646
2023
Q4
$5.33M Sell
352,442
-69,182
-16% -$1.05M 0.01% 741
2023
Q3
$5.47M Sell
421,624
-220,917
-34% -$2.87M 0.01% 757
2023
Q2
$11.6M Buy
642,541
+453,291
+240% +$8.15M 0.02% 584
2023
Q1
$2.95M Buy
+189,250
New +$2.95M 0.01% 1023
2022
Q3
Sell
-202,554
Closed -$1.33M 2539
2022
Q2
$1.33M Buy
202,554
+129,494
+177% +$847K ﹤0.01% 1755
2022
Q1
$841K Sell
73,060
-217,611
-75% -$2.5M ﹤0.01% 1907
2021
Q4
$3.32M Buy
+290,671
New +$3.32M 0.01% 1409
2021
Q3
Sell
-178,204
Closed -$2.73M 2385
2021
Q2
$2.73M Sell
178,204
-135,856
-43% -$2.08M 0.01% 1000
2021
Q1
$4.96M Buy
314,060
+22,176
+8% +$350K 0.02% 764
2020
Q4
$4.24M Buy
+291,884
New +$4.24M 0.02% 578