Next Century Growth Investors’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
$25.8M Sell
2,370,377
-47,921
-2% -$698K 1.87% 19
2025
Q4
$50.9M Buy
2,418,298
+138,915
+6% +$2.57M 3.53% 2
2025
Q3
$33.1M Buy
2,279,383
+218,648
+11% +$3.04M 2.42% 8
2025
Q2
$22.9M Buy
2,060,735
+382,057
+23% +$4.39M 1.77% 12
2025
Q1
$17M Buy
1,678,678
+696,585
+71% +$7.48M 1.51% 20
2024
Q4
$9.02M Buy
982,093
+23,061
+2% +$184K 0.68% 58
2024
Q3
$5.33M Sell
959,032
-635,281
-40% -$4.88M 0.43% 74
2024
Q2
$16.7M Buy
1,594,313
+9,388
+0.6% +$109K 1.38% 20
2024
Q1
$21.9M Sell
1,584,925
-390,144
-20% -$5.79M 1.9% 16
2023
Q4
$29.8M Buy
1,975,069
+41,242
+2% +$493K 2.9% 7
2023
Q3
$25.1M Buy
1,933,827
+148,553
+8% +$2.33M 2.73% 8
2023
Q2
$32.1M Sell
1,785,274
-323,183
-15% -$5.03M 3.09% 7
2023
Q1
$32.9M Sell
2,108,457
-211,706
-9% -$2.99M 3.62% 4
2022
Q4
$28.7M Buy
2,320,163
+403,644
+21% +$4.07M 3.44% 4
2022
Q3
$16.8M Buy
1,916,519
+243,684
+15% +$1.93M 2.04% 16
2022
Q2
$10.9M Sell
1,672,835
-454,640
-21% -$4.19M 1.43% 26
2022
Q1
$24.5M Buy
2,127,475
+165,325
+8% +$1.79M 2.44% 9
2021
Q4
$22.4M Buy
1,962,150
+151,853
+8% +$1.79M 2.02% 11
2021
Q3
$22.1M Buy
1,810,297
+248,610
+16% +$3.47M 1.91% 15
2021
Q2
$23.9M Sell
1,561,687
-205,221
-12% -$3.17M 1.87% 15
2021
Q1
$27.9M Buy
1,766,908
+78,039
+5% +$1.23M 2.13% 14
2020
Q4
$24.5M Buy
1,688,869
+1,087,868
+181% +$11.5M 2.07% 9
2020
Q3
$3.99M Buy
+601,001
New +$3.39M 0.42% 78
2020
Q2
Sell
-1,780,321
Closed -$6.14M 123
2020
Q1
$6.14M Sell
1,780,321
-1,075,075
-38% -$6.18M 1% 32
2019
Q4
$20.3M Buy
2,855,396
+300,065
+12% +$1.93M 2.64% 7
2019
Q3
$12.8M Buy
2,555,331
+1,339,968
+110% +$6.97M 2.06% 14
2019
Q2
$5.52M Buy
+1,215,363
New +$4.53M 0.69% 41

Other funds holding ATEC

Next Century Growth Investors's ATEC Position: Q1 2026 in Review

Next Century Growth Investors reduced its Alphatec Holdings (ATEC) stake by 2% in Q1 2026, selling an estimated $698K and leaving 2,370,377 shares worth $25.8M. The position accounts for 1.87% of the portfolio, ranked #19.

Next Century Growth Investors first reported a position in ATEC in Q2 2019 and has held it in 27 quarters since. The position peaked at $50.9M in Q4 2025. 285 funds tracked by Wall St. Rank hold ATEC as of Q1 2026.

  • Next Century Growth Investors held 2,370,377 shares of Alphatec Holdings worth $25.8M as of Q1 2026.
  • Next Century Growth Investors sold 47,921 Alphatec Holdings shares in Q1 2026, an estimated $698K.
  • Alphatec Holdings made up 1.87% of Next Century Growth Investors's portfolio in Q1 2026, its #19 holding.
  • Next Century Growth Investors first reported a position in Alphatec Holdings in Q2 2019 and has held it in 27 quarters since.
  • Next Century Growth Investors's Alphatec Holdings position peaked at $50.9M in Q4 2025.
  • 285 funds tracked by Wall St. Rank held Alphatec Holdings as of Q1 2026.

Based on Next Century Growth Investors's 13F filing for Q1 2026, filed 14 May 2026.