TSS
ATEC icon

Two Sigma Securities’s Alphatec Holdings ATEC Stock Holding History

Two Sigma Securities’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 		$177K Sell
20,428
-14,131
-41% -$129K 0.02% 1203
2026
Q1 		$376K Buy
+34,559
New +$503K 0.04% 622
2016
Q1 		– Sell
-1,609
Closed -$6K – 303
2015
Q4 		$6K Buy
1,609
+238
+17% +$804 0.01% 238
2015
Q3 		$5K Buy
+1,371
New +$13.9K 0.01% 203

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

Two Sigma Securities's ATEC Position: Q2 2026 in Review

Two Sigma Securities reduced its Alphatec Holdings (ATEC) stake by 41% in Q2 2026, selling an estimated $129K and leaving 20,428 shares worth $177K. The position accounts for 0.02% of the portfolio, ranked #1203.

Two Sigma Securities first reported a position in ATEC in Q3 2015 and has held it in 4 quarters since. The position peaked at $376K in Q1 2026. 267 funds tracked by Wall St. Rank hold ATEC as of Q2 2026.

  • Two Sigma Securities held 20,428 shares of Alphatec Holdings worth $177K as of Q2 2026.
  • Two Sigma Securities sold 14,131 Alphatec Holdings shares in Q2 2026, an estimated $129K.
  • Alphatec Holdings made up 0.02% of Two Sigma Securities's portfolio in Q2 2026, its #1203 holding.
  • Two Sigma Securities first reported a position in Alphatec Holdings in Q3 2015 and has held it in 4 quarters since.
  • Two Sigma Securities's Alphatec Holdings position peaked at $376K in Q1 2026.
  • 267 funds tracked by Wall St. Rank held Alphatec Holdings as of Q2 2026.

Based on Two Sigma Securities's 13F filing for Q2 2026, filed 14 Aug 2026.