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
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 $5.72T AUM 30.48% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Royal Bank of Canada
Royal Bank of Canada Toronto, Ontario, Canada $570B AUM 27.57% 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
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
N
Nuveen Charlotte, North Carolina $369B AUM 31.66% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

Capstone Investment Advisors's ATEC Position: Q1 2026 in Review

Capstone Investment Advisors opened a new position in Alphatec Holdings (ATEC) in Q1 2026: 21,881 shares worth $238K. The stake represents ﹤0.01% of the portfolio and ranks #1464 among its holdings. This is a return to the name: Capstone Investment Advisors previously reported a position in ATEC as recently as Q3 2025.

Capstone Investment Advisors first reported a position in ATEC in Q2 2024 and has held it in 4 quarters since. The position peaked at $383K in Q3 2025. 285 funds tracked by Wall St. Rank hold ATEC as of Q1 2026.

  • Capstone Investment Advisors held 21,881 shares of Alphatec Holdings worth $238K as of Q1 2026.
  • Alphatec Holdings was a new Capstone Investment Advisors position in Q1 2026.
  • Alphatec Holdings made up ﹤0.01% of Capstone Investment Advisors's portfolio in Q1 2026, its #1464 holding.
  • Capstone Investment Advisors first reported a position in Alphatec Holdings in Q2 2024 and has held it in 4 quarters since.
  • Capstone Investment Advisors's Alphatec Holdings position peaked at $383K in Q3 2025.
  • 285 funds tracked by Wall St. Rank held Alphatec Holdings as of Q1 2026.

Based on Capstone Investment Advisors's 13F filing for Q1 2026, filed 15 May 2026.