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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
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
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

PDT Partners's ATEC Position: Q1 2026 in Review

PDT Partners held its Alphatec Holdings (ATEC) position steady in Q1 2026 at 400,892 shares worth $4.36M. The position accounts for 0.26% of the portfolio, ranked #127.

PDT Partners first reported a position in ATEC in Q1 2021 and has held it in 7 quarters since. The position peaked at $8.43M in Q4 2025. 285 funds tracked by Wall St. Rank hold ATEC as of Q1 2026.

  • PDT Partners held 400,892 shares of Alphatec Holdings worth $4.36M as of Q1 2026.
  • PDT Partners left its Alphatec Holdings share count unchanged in Q1 2026.
  • Alphatec Holdings made up 0.26% of PDT Partners's portfolio in Q1 2026, its #127 holding.
  • PDT Partners first reported a position in Alphatec Holdings in Q1 2021 and has held it in 7 quarters since.
  • PDT Partners's Alphatec Holdings position peaked at $8.43M in Q4 2025.
  • 285 funds tracked by Wall St. Rank held Alphatec Holdings as of Q1 2026.

Based on PDT Partners's 13F filing for Q1 2026, filed 15 May 2026.