CenterStar Asset Management’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
Q3
$443K Buy
42,900
+9,700
+29% +$92K 0.1% 144
2026
Q2
$287K Buy
+33,200
New +$302K 0.05% 192
2025
Q3
– Sell
-10,000
Closed -$111K – 286
2025
Q2
$111K Buy
+10,000
New +$115K 0.03% 190

Other funds holding ATEC

CenterStar Asset Management's ATEC Position: Q3 2026 in Review

CenterStar Asset Management sold out of Alphatec Holdings (ATEC) in Q3 2026, closing a stake of 19,010 shares — an estimated $180K sold.

CenterStar Asset Management first reported a position in ATEC in Q4 2024 and held it in 3 quarters. The position peaked at $164K in Q2 2026. 24 funds tracked by Wall St. Rank hold ATEC as of Q3 2026.

  • CenterStar Asset Management reported no remaining Alphatec Holdings position as of Q3 2026 after selling out during the quarter.
  • CenterStar Asset Management sold 19,010 Alphatec Holdings shares in Q3 2026, an estimated $180K.
  • CenterStar Asset Management first reported a position in Alphatec Holdings in Q4 2024 and held it in 3 quarters.
  • CenterStar Asset Management's Alphatec Holdings position peaked at $164K in Q2 2026.
  • 24 funds tracked by Wall St. Rank held Alphatec Holdings as of Q3 2026.

Based on CenterStar Asset Management's 13F filing for Q3 2026, filed 9 Oct 2026.