Birchview Capital’s Alphatec Holdings ATEC Stock Holding History

Birchview Capital’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	–	Sell	-18,058	Closed	-$380K	–	74
2025 Q4	$380K	Sell	18,058 -14,942	-45%	-$277K	0.22%	55
2025 Q3	$480K	Hold	33,000	–	–	0.36%	50
2025 Q2	$366K	Hold	33,000	–	–	0.36%	47
2025 Q1	$335K	Sell	33,000 -25,000	-43%	-$268K	0.29%	41
2024 Q4	$532K	Sell	58,000 -140,000	-71%	-$1.12M	0.43%	30
2024 Q3	$1.1M	Buy	198,000 +110,000	+125%	+$844K	0.95%	23
2024 Q2	$920K	Hold	88,000	–	–	0.85%	23
2024 Q1	$1.21M	Hold	88,000	–	–	0.99%	23
2023 Q4	$1.33M	Buy	88,000 +8,000	+10%	+$95.6K	1.04%	22
2023 Q3	$1.04M	Hold	80,000	–	–	0.88%	21
2023 Q2	$1.44M	Hold	80,000	–	–	1.08%	18
2023 Q1	$1.25M	Sell	80,000 -10,000	-11%	-$141K	0.98%	17
2022 Q4	$1.11M	Buy	90,000 +80,000	+800%	+$806K	0.79%	20
2022 Q3	$87K	Buy	+10,000	New	+$79.1K	0.06%	54

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

Birchview Capital's ATEC Position: Q1 2026 in Review

Birchview Capital sold out of Alphatec Holdings (ATEC) in Q1 2026, closing a stake of 18,058 shares — an estimated $380K sold.

Birchview Capital first reported a position in ATEC in Q3 2022 and held it in 14 quarters. The position peaked at $1.44M in Q2 2023. 285 funds tracked by Wall St. Rank hold ATEC as of Q1 2026.

Birchview Capital reported no remaining Alphatec Holdings position as of Q1 2026 after selling out during the quarter.
Birchview Capital sold 18,058 Alphatec Holdings shares in Q1 2026, an estimated $380K.
Birchview Capital first reported a position in Alphatec Holdings in Q3 2022 and held it in 14 quarters.
Birchview Capital's Alphatec Holdings position peaked at $1.44M in Q2 2023.
285 funds tracked by Wall St. Rank held Alphatec Holdings as of Q1 2026.

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