Marshall Wace’s Alphatec Holdings ATEC Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$277K Buy
+25,463
New +$371K ﹤0.01% 2674
2025
Q4
Sell
-28,367
Closed -$412K 2940
2025
Q3
$412K Sell
28,367
-837,612
-97% -$11.7M ﹤0.01% 2299
2025
Q2
$9.61M Sell
865,979
-854,819
-50% -$9.82M 0.01% 855
2025
Q1
$17.4M Sell
1,720,798
-52,448
-3% -$563K 0.02% 551
2024
Q4
$16.3M Buy
1,773,246
+1,032,070
+139% +$8.24M 0.02% 607
2024
Q3
$4.12M Sell
741,176
-358,516
-33% -$2.75M 0.01% 1071
2024
Q2
$11.5M Buy
1,099,692
+339,832
+45% +$3.96M 0.02% 678
2024
Q1
$10.5M Buy
759,860
+407,418
+116% +$6.04M 0.02% 734
2023
Q4
$5.33M Sell
352,442
-69,182
-16% -$827K 0.01% 886
2023
Q3
$5.47M Sell
421,624
-220,917
-34% -$3.46M 0.01% 840
2023
Q2
$11.6M Buy
642,541
+453,291
+240% +$7.06M 0.02% 669
2023
Q1
$2.95M Buy
+189,250
New +$2.68M 0.01% 1252
2022
Q3
Sell
-202,554
Closed -$1.32M 3329
2022
Q2
$1.32M Buy
202,554
+129,494
+177% +$1.19M ﹤0.01% 2272
2022
Q1
$841K Sell
73,060
-217,611
-75% -$2.35M ﹤0.01% 2524
2021
Q4
$3.32M Buy
+290,671
New +$3.43M 0.01% 1694
2021
Q3
Sell
-178,204
Closed -$2.73M 3013
2021
Q2
$2.73M Sell
178,204
-135,856
-43% -$2.1M 0.01% 1219
2021
Q1
$4.96M Buy
314,060
+22,176
+8% +$349K 0.03% 845
2020
Q4
$4.24M Buy
+291,884
New +$3.08M 0.03% 630

Other funds holding ATEC