Capstone Investment Advisors
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Capstone Investment Advisors’s Alphatec Holdings ATEC Stock Holding History

Capstone Investment Advisors’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
2026
Q2 		– Sell
-21,881
Closed -$238K – 1664
2026
Q1 		$238K Buy
+21,881
New +$319K ﹤0.01% 1464
2025
Q4 		– Sell
-26,340
Closed -$383K – 1590
2025
Q3 		$383K Buy
+26,340
New +$367K ﹤0.01% 1537
2024
Q4 		– Sell
-32,070
Closed -$178K – 1836
2024
Q3 		$178K Buy
32,070
+17,070
+114% +$131K ﹤0.01% 1612
2024
Q2 		$157K Buy
+15,000
New +$175K ﹤0.01% 1817

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 $3.38T AUM 44.17% 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

Capstone Investment Advisors's ATEC Position: Q2 2026 in Review

Capstone Investment Advisors sold out of Alphatec Holdings (ATEC) in Q2 2026, closing a stake of 21,881 shares — an estimated $238K sold.

Capstone Investment Advisors first reported a position in ATEC in Q2 2024 and held it in 4 quarters. The position peaked at $383K in Q3 2025. 267 funds tracked by Wall St. Rank hold ATEC as of Q2 2026.

  • Capstone Investment Advisors reported no remaining Alphatec Holdings position as of Q2 2026 after selling out during the quarter.
  • Capstone Investment Advisors sold 21,881 Alphatec Holdings shares in Q2 2026, an estimated $238K.
  • Capstone Investment Advisors first reported a position in Alphatec Holdings in Q2 2024 and held it in 4 quarters.
  • Capstone Investment Advisors's Alphatec Holdings position peaked at $383K in Q3 2025.
  • 267 funds tracked by Wall St. Rank held Alphatec Holdings as of Q2 2026.

Based on Capstone Investment Advisors's 13F filing for Q2 2026, filed 17 Aug 2026.