Dimensional Fund Advisors
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Dimensional Fund Advisors’s Alphatec Holdings ATEC Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2022
Q2
Sell
-12,199
Closed -$140K 3464
2022
Q1
$140K Sell
12,199
-16,260
-57% -$187K ﹤0.01% 3354
2021
Q4
$325K Sell
28,459
-325,908
-92% -$3.72M ﹤0.01% 3258
2021
Q3
$4.32M Buy
+354,367
New +$4.32M ﹤0.01% 2625
2020
Q2
Sell
-85,943
Closed -$297K 3340
2020
Q1
$297K Sell
85,943
-4,593
-5% -$15.9K ﹤0.01% 3150
2019
Q4
$642K Hold
90,536
﹤0.01% 3093
2019
Q3
$454K Hold
90,536
﹤0.01% 3160
2019
Q2
$411K Sell
90,536
-5,126
-5% -$23.3K ﹤0.01% 3224
2019
Q1
$254K Hold
95,662
﹤0.01% 3275
2018
Q4
$219K Buy
95,662
+7,705
+9% +$17.6K ﹤0.01% 3274
2018
Q3
$296K Buy
87,957
+59,266
+207% +$199K ﹤0.01% 3253
2018
Q2
$85K Buy
+28,691
New +$85K ﹤0.01% 3310
2016
Q2
Sell
-12,653
Closed -$3K 3293
2016
Q1
$3K Sell
12,653
-343,424
-96% -$81.4K ﹤0.01% 3299
2015
Q4
$107K Sell
356,077
-1,182,630
-77% -$355K ﹤0.01% 3263
2015
Q3
$508K Sell
1,538,707
-45,722
-3% -$15.1K ﹤0.01% 3112
2015
Q2
$2.19M Sell
1,584,429
-24,653
-2% -$34K ﹤0.01% 2834
2015
Q1
$2.33M Sell
1,609,082
-101,232
-6% -$147K ﹤0.01% 2785
2014
Q4
$2.41M Sell
1,710,314
-66,011
-4% -$93.1K ﹤0.01% 2789
2014
Q3
$3.02M Sell
1,776,325
-95,453
-5% -$162K ﹤0.01% 2715
2014
Q2
$3.05M Sell
1,871,778
-57,841
-3% -$94.3K ﹤0.01% 2733
2014
Q1
$2.9M Sell
1,929,619
-44,265
-2% -$66.4K ﹤0.01% 2745
2013
Q4
$3.97M Sell
1,973,884
-17,290
-0.9% -$34.8K ﹤0.01% 2646
2013
Q3
$3.92M Buy
1,991,174
+15,981
+0.8% +$31.5K ﹤0.01% 2643
2013
Q2
$4.05M Buy
+1,975,193
New +$4.05M ﹤0.01% 2575