PDT Partners’s Alphatec Holdings ATEC Stock Holding History

PDT Partners’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	$3.35M	Sell	387,592 -13,300	-3%	-$121K	0.18%	180
2026 Q1	$4.36M	Hold	400,892	–	–	0.26%	127
2025 Q4	$8.43M	Hold	400,892	–	–	0.55%	39
2025 Q3	$5.83M	Hold	400,892	–	–	0.37%	74
2025 Q2	$4.45M	Buy	400,892 +288,820	+258%	+$3.32M	0.25%	135
2025 Q1	$1.14M	Buy	+112,072	New	+$1.2M	0.08%	370
2021 Q3	–	Sell	-80,603	Closed	-$1.24M	–	770
2021 Q2	$1.24M	Buy	80,603 +36,411	+82%	+$562K	0.08%	336
2021 Q1	$698K	Buy	+44,192	New	+$696K	0.05%	440

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

PDT Partners's ATEC Position: Q2 2026 in Review

PDT Partners reduced its Alphatec Holdings (ATEC) stake by 3.3% in Q2 2026, selling an estimated $121K and leaving 387,592 shares worth $3.35M. The position accounts for 0.18% of the portfolio, ranked #180.

PDT Partners first reported a position in ATEC in Q1 2021 and has held it in 8 quarters since. The position peaked at $8.43M in Q4 2025. 267 funds tracked by Wall St. Rank hold ATEC as of Q2 2026.

PDT Partners held 387,592 shares of Alphatec Holdings worth $3.35M as of Q2 2026.
PDT Partners sold 13,300 Alphatec Holdings shares in Q2 2026, an estimated $121K.
Alphatec Holdings made up 0.18% of PDT Partners's portfolio in Q2 2026, its #180 holding.
PDT Partners first reported a position in Alphatec Holdings in Q1 2021 and has held it in 8 quarters since.
PDT Partners's Alphatec Holdings position peaked at $8.43M in Q4 2025.
267 funds tracked by Wall St. Rank held Alphatec Holdings as of Q2 2026.

Based on PDT Partners's 13F filing for Q2 2026, filed 14 Aug 2026.