Braidwell’s Alphatec Holdings ATEC Stock Holding History

Braidwell’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	$23.6M	Buy	+2,172,725	New	+$31.6M	0.79%	51
2025 Q4	–	Sell	-1,514,604	Closed	-$22M	–	76
2025 Q3	$22M	Sell	1,514,604 -2,120,568	-58%	-$29.5M	0.65%	44
2025 Q2	$40.4M	Sell	3,635,172 -624,257	-15%	-$7.17M	1.38%	26
2025 Q1	$43.2M	Buy	4,259,429 +2,939	+0.1%	+$31.5K	1.52%	29
2024 Q4	$39.1M	Buy	4,256,490 +215,425	+5%	+$1.72M	1.16%	37
2024 Q3	$22.5M	Buy	4,041,065 +1,846,165	+84%	+$14.2M	0.64%	48
2024 Q2	$22.9M	Buy	+2,194,900	New	+$25.6M	0.72%	45
2023 Q3	–	Sell	-25,431	Closed	-$457K	–	87
2023 Q2	$457K	Buy	+25,431	New	+$396K	0.01%	81

Other funds holding ATEC

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

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 Toronto, Ontario, Canada $570B AUM 27.57% 1-Year Est. Return

BNP Paribas Asset Management Paris, France $86.1B AUM 29.11% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Nuveen Charlotte, North Carolina $369B AUM 31.66% 1-Year Est. Return

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

Braidwell's ATEC Position: Q1 2026 in Review

Braidwell opened a new position in Alphatec Holdings (ATEC) in Q1 2026: 2,172,725 shares worth $23.6M. The stake represents 0.79% of the portfolio and ranks #51 among its holdings. This is a return to the name: Braidwell previously reported a position in ATEC as recently as Q3 2025.

Braidwell first reported a position in ATEC in Q2 2023 and has held it in 8 quarters since. The position peaked at $43.2M in Q1 2025. 285 funds tracked by Wall St. Rank hold ATEC as of Q1 2026.

Braidwell held 2,172,725 shares of Alphatec Holdings worth $23.6M as of Q1 2026.
Alphatec Holdings was a new Braidwell position in Q1 2026.
Alphatec Holdings made up 0.79% of Braidwell's portfolio in Q1 2026, its #51 holding.
Braidwell first reported a position in Alphatec Holdings in Q2 2023 and has held it in 8 quarters since.
Braidwell's Alphatec Holdings position peaked at $43.2M in Q1 2025.
285 funds tracked by Wall St. Rank held Alphatec Holdings as of Q1 2026.

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