XTX Topco’s Alphatec Holdings ATEC Stock Holding History

XTX Topco’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	$1.48M	Sell	171,149 -62,593	-27%	-$570K	0.02%	1420
2026 Q1	$2.54M	Buy	233,742 +182,916	+360%	+$2.66M	0.04%	667
2025 Q4	$1.07M	Sell	50,826 -38,612	-43%	-$715K	0.03%	983
2025 Q3	$1.3M	Buy	+89,438	New	+$1.24M	0.07%	422
2025 Q1	–	Sell	-26,746	Closed	-$246K	–	2398
2024 Q4	$246K	Buy	26,746 +14,368	+116%	+$115K	0.02%	1385
2024 Q3	$68.8K	Buy	+12,378	New	+$95K	0.01%	1653
2024 Q1	–	Sell	-36,532	Closed	-$552K	–	1825
2023 Q4	$552K	Buy	+36,532	New	+$437K	0.12%	200
2023 Q1	–	Sell	-17,085	Closed	-$211K	–	1263
2022 Q4	$211K	Buy	+17,085	New	+$172K	0.04%	809
2022 Q1	–	Sell	-11,392	Closed	-$130K	–	670
2021 Q4	$130K	Buy	+11,392	New	+$135K	0.07%	426

Other funds holding ATEC

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Braidwell Stamford, Connecticut $2.7B AUM 88.53% 1-Year Est. Return

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

BNP Paribas Asset Management Paris, France $99.8B AUM 45.22% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Jacobs Levy Equity Management Florham Park, New Jersey $27.8B AUM 46.46% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Royal Bank of Canada Toronto, Ontario, Canada $672B AUM 33.48% 1-Year Est. Return

Nuveen Charlotte, North Carolina $419B AUM 43.02% 1-Year Est. Return

XTX Topco's ATEC Position: Q2 2026 in Review

XTX Topco reduced its Alphatec Holdings (ATEC) stake by 27% in Q2 2026, selling an estimated $570K and leaving 171,149 shares worth $1.48M. The position accounts for 0.02% of the portfolio, ranked #1420.

XTX Topco first reported a position in ATEC in Q4 2021 and has held it in 9 quarters since. The position peaked at $2.54M in Q1 2026. 267 funds tracked by Wall St. Rank hold ATEC as of Q2 2026.

XTX Topco held 171,149 shares of Alphatec Holdings worth $1.48M as of Q2 2026.
XTX Topco sold 62,593 Alphatec Holdings shares in Q2 2026, an estimated $570K.
Alphatec Holdings made up 0.02% of XTX Topco's portfolio in Q2 2026, its #1420 holding.
XTX Topco first reported a position in Alphatec Holdings in Q4 2021 and has held it in 9 quarters since.
XTX Topco's Alphatec Holdings position peaked at $2.54M in Q1 2026.
267 funds tracked by Wall St. Rank held Alphatec Holdings as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.