Millennium 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
2025
Q1
Sell
-100,000
Closed -$918K 5831
2024
Q4
$918K Buy
+100,000
New +$798K ﹤0.01% 4274
2023
Q4
Sell
-70,000
Closed -$908K 6068
2023
Q3
$908K Buy
+70,000
New +$1.1M ﹤0.01% 4250
2022
Q2
Sell
-200,000
Closed -$2.3M 6949
2022
Q1
$2.3M Buy
+200,000
New +$2.16M ﹤0.01% 3747
2021
Q4
Sell
-800,000
Closed -$9.75M 6755
2021
Q3
$9.75M Buy
+800,000
New +$11.2M 0.01% 2082

Other funds holding ATEC

Millennium Management's ATEC Position: Q1 2026 in Review

Millennium Management increased its Alphatec Holdings (ATEC) stake by 26% in Q1 2026, buying an estimated $8.5M and bringing the position to 2,809,545 shares worth $30.6M. The position accounts for 0.01% of the portfolio, ranked #1212.

Millennium Management first reported a position in ATEC in Q2 2014 and has held it in 37 quarters since. The position peaked at $74.1M in Q3 2023. 285 funds tracked by Wall St. Rank hold ATEC as of Q1 2026.

  • Millennium Management held 2,809,545 shares of Alphatec Holdings worth $30.6M as of Q1 2026.
  • Millennium Management bought 583,618 Alphatec Holdings shares in Q1 2026, an estimated $8.5M.
  • Alphatec Holdings made up 0.01% of Millennium Management's portfolio in Q1 2026, its #1212 holding.
  • Millennium Management first reported a position in Alphatec Holdings in Q2 2014 and has held it in 37 quarters since.
  • Millennium Management's Alphatec Holdings position peaked at $74.1M in Q3 2023.
  • 285 funds tracked by Wall St. Rank held Alphatec Holdings as of Q1 2026.

Based on Millennium Management's 13F filing for Q1 2026, filed 15 May 2026.