Jane Street
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Jane Street’s Alphatec Holdings ATEC Stock Holding History

Jane Street’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 		$680K Buy
78,600
+20,000
+34% +$182K ﹤0.01% 7346
2026
Q1 		$638K Buy
58,600
+39,900
+213% +$581K ﹤0.01% 7478
2025
Q4 		$393K Sell
18,700
-26,700
-59% -$494K ﹤0.01% 8227
2025
Q3 		$660K Buy
45,400
+3,400
+8% +$47.3K ﹤0.01% 7248
2025
Q2 		$466K Sell
42,000
-800
-2% -$9.19K ﹤0.01% 7055
2025
Q1 		$434K Sell
42,800
-91,000
-68% -$977K ﹤0.01% 7135
2024
Q4 		$1.23M Sell
133,800
-64,100
-32% -$512K ﹤0.01% 4993
2024
Q3 		$1.1M Buy
+197,900
New +$1.52M ﹤0.01% 5687
2024
Q2 		– Sell
-17,400
Closed -$240K – 9318
2024
Q1 		$240K Buy
17,400
+6,900
+66% +$102K ﹤0.01% 7909
2023
Q4 		$159K Buy
+10,500
New +$126K ﹤0.01% 8368
2023
Q3 		– Sell
-12,000
Closed -$216K – 8595
2023
Q2 		$216K Buy
+12,000
New +$187K ﹤0.01% 7596
2022
Q1 		– Sell
-14,700
Closed -$168K – 10242
2021
Q4 		$168K Sell
14,700
-2,300
-14% -$27.2K ﹤0.01% 8937
2021
Q3 		$207K Buy
+17,000
New +$237K ﹤0.01% 8783

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

Jane Street's ATEC Position: Q2 2026 in Review

Jane Street reduced its Alphatec Holdings (ATEC) stake by 97% in Q2 2026, selling an estimated $7.76M and leaving 26,385 shares worth $228K. The position accounts for ﹤0.01% of the portfolio, ranked #9816.

Jane Street first reported a position in ATEC in Q2 2019 and has held it in 20 quarters since. The position peaked at $12.1M in Q4 2025. 267 funds tracked by Wall St. Rank hold ATEC as of Q2 2026.

  • Jane Street held 26,385 shares of Alphatec Holdings worth $228K as of Q2 2026.
  • Jane Street sold 852,164 Alphatec Holdings shares in Q2 2026, an estimated $7.76M.
  • Alphatec Holdings made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #9816 holding.
  • Jane Street first reported a position in Alphatec Holdings in Q2 2019 and has held it in 20 quarters since.
  • Jane Street's Alphatec Holdings position peaked at $12.1M in Q4 2025.
  • 267 funds tracked by Wall St. Rank held Alphatec Holdings as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.