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Semanteon Capital Management’s Alphatec Holdings ATEC Stock Holding History

Semanteon Capital Management’s Portfolio ATEC Stock Details ATEC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-38,490
Closed -$560K – 25
2025
Q3 		$560K Buy
38,490
+27,866
+262% +$388K 0.7% 85
2025
Q2 		$118K Sell
10,624
-91,698
-90% -$1.05M 0.18% 95
2025
Q1 		$1.04M Buy
102,322
+69,458
+211% +$746K 0.56% 73
2024
Q4 		$302K Buy
+32,864
New +$262K 0.16% 189

Other funds holding ATEC

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
Royal Bank of Canada
Royal Bank of Canada Toronto, Ontario, Canada $570B AUM 27.57% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Deutsche Bank
Deutsche Bank Frankfurt Am Main Ge, Germany $303B AUM 30.15% 1-Year Est. Return
BNP Paribas Asset Management
BNP Paribas Asset Management Paris, France $86.1B AUM 29.11% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
N
Nuveen Charlotte, North Carolina $369B AUM 31.66% 1-Year Est. Return
DCM
Driehaus Capital Management Chicago, Illinois $13.6B AUM 173.98% 1-Year Est. Return

Semanteon Capital Management's ATEC Position: Q4 2025 in Review

Semanteon Capital Management sold out of Alphatec Holdings (ATEC) in Q4 2025, closing a stake of 38,490 shares — an estimated $560K sold.

Semanteon Capital Management first reported a position in ATEC in Q4 2024 and held it in 4 quarters. The position peaked at $1.04M in Q1 2025. 283 funds tracked by Wall St. Rank hold ATEC as of Q4 2025.

  • Semanteon Capital Management reported no remaining Alphatec Holdings position as of Q4 2025 after selling out during the quarter.
  • Semanteon Capital Management sold 38,490 Alphatec Holdings shares in Q4 2025, an estimated $560K.
  • Semanteon Capital Management first reported a position in Alphatec Holdings in Q4 2024 and held it in 4 quarters.
  • Semanteon Capital Management's Alphatec Holdings position peaked at $1.04M in Q1 2025.
  • 283 funds tracked by Wall St. Rank held Alphatec Holdings as of Q4 2025.

Based on Semanteon Capital Management's 13F filing for Q4 2025, filed 10 Feb 2026.