PEAK6
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PEAK6’s Alphatec Holdings ATEC Stock Holding History

PEAK6’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
-4,700
Closed -$68.3K – 2833
2025
Q3 		$68.3K Sell
4,700
-100
-2% -$1.39K ﹤0.01% 2656
2025
Q2 		$53.3K Buy
+4,800
New +$55.1K ﹤0.01% 2695

Other funds holding ATEC

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
B
Braidwell Stamford, Connecticut $2.7B AUM 88.53% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
BNP Paribas Asset Management
BNP Paribas Asset Management Paris, France $99.8B AUM 45.22% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Jacobs Levy Equity Management
Jacobs Levy Equity Management Florham Park, New Jersey $27.8B AUM 46.46% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Royal Bank of Canada
Royal Bank of Canada Toronto, Ontario, Canada $672B AUM 33.48% 1-Year Est. Return
Nuveen
Nuveen Charlotte, North Carolina $419B AUM 43.02% 1-Year Est. Return

PEAK6's ATEC Position: Q1 2026 in Review

PEAK6 sold out of Alphatec Holdings (ATEC) in Q1 2026, closing a stake of 25,043 shares — an estimated $365K sold.

PEAK6 first reported a position in ATEC in Q4 2024 and held it in 4 quarters. The position peaked at $527K in Q4 2025. 285 funds tracked by Wall St. Rank hold ATEC as of Q1 2026.

  • PEAK6 reported no remaining Alphatec Holdings position as of Q1 2026 after selling out during the quarter.
  • PEAK6 sold 25,043 Alphatec Holdings shares in Q1 2026, an estimated $365K.
  • PEAK6 first reported a position in Alphatec Holdings in Q4 2024 and held it in 4 quarters.
  • PEAK6's Alphatec Holdings position peaked at $527K in Q4 2025.
  • 285 funds tracked by Wall St. Rank held Alphatec Holdings as of Q1 2026.

Based on PEAK6's 13F filing for Q1 2026, filed 14 May 2026.