Aigen Investment Management’s Alphatec Holdings ATEC Stock Holding History

Aigen Investment Management’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
2025 Q4	–	Sell	-13,672	Closed	-$199K	–	590
2025 Q3	$199K	Buy	+13,672	New	+$190K	0.03%	685
2024 Q3	–	Sell	-24,475	Closed	-$256K	–	723
2024 Q2	$256K	Buy	+24,475	New	+$285K	0.05%	535
2023 Q4	–	Sell	-12,294	Closed	-$159K	–	792
2023 Q3	$159K	Sell	12,294 -58,119	-83%	-$910K	0.03%	708
2023 Q2	$1.27M	Buy	70,413 +44,273	+169%	+$690K	0.19%	151
2023 Q1	$408K	Buy	26,140 +2,571	+11%	+$36.3K	0.06%	357
2022 Q4	$291K	Buy	+23,569	New	+$238K	0.04%	366

Other funds holding ATEC

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

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

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

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

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Deutsche Bank Frankfurt Am Main Ge, Germany $344B AUM 42.99% 1-Year Est. Return

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

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

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

Driehaus Capital Management Chicago, Illinois $17.3B AUM 211.34% 1-Year Est. Return

Aigen Investment Management's ATEC Position: Q4 2025 in Review

Aigen Investment Management sold out of Alphatec Holdings (ATEC) in Q4 2025, closing a stake of 13,672 shares — an estimated $199K sold.

Aigen Investment Management first reported a position in ATEC in Q4 2022 and held it in 6 quarters. The position peaked at $1.27M in Q2 2023. 284 funds tracked by Wall St. Rank hold ATEC as of Q4 2025.

Aigen Investment Management reported no remaining Alphatec Holdings position as of Q4 2025 after selling out during the quarter.
Aigen Investment Management sold 13,672 Alphatec Holdings shares in Q4 2025, an estimated $199K.
Aigen Investment Management first reported a position in Alphatec Holdings in Q4 2022 and held it in 6 quarters.
Aigen Investment Management's Alphatec Holdings position peaked at $1.27M in Q2 2023.
284 funds tracked by Wall St. Rank held Alphatec Holdings as of Q4 2025.

Based on Aigen Investment Management's 13F filing for Q4 2025, filed 13 Feb 2026.