Acadian Asset Management’s Alphatec Holdings ATEC Stock Holding History

Acadian Asset 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
2026 Q2	$433K	Sell	50,455 -76,315	-60%	-$695K	﹤0.01%	1487
2026 Q1	$1.38M	Buy	126,770 +119,046	+1,541%	+$1.73M	﹤0.01%	1070
2025 Q4	$162K	Buy	7,724 +2,743	+55%	+$50.8K	﹤0.01%	1568
2025 Q3	$72K	Buy	+4,981	New	+$69.3K	﹤0.01%	1585
2018 Q4	–	Sell	-34,189	Closed	-$115K	–	1715
2018 Q3	$115K	Sell	34,189 -23,236	-40%	-$73.3K	﹤0.01%	1175
2018 Q2	$171K	Buy	+57,425	New	+$204K	﹤0.01%	1126
2017 Q2	–	Sell	-7,682	Closed	-$18K	–	1437
2017 Q1	$18K	Buy	7,682 +4,642	+153%	+$14.8K	﹤0.01%	1388
2016 Q4	$10K	Buy	+3,040	New	+$16.5K	﹤0.01%	1430

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

Acadian Asset Management's ATEC Position: Q2 2026 in Review

Acadian Asset Management reduced its Alphatec Holdings (ATEC) stake by 60% in Q2 2026, selling an estimated $695K and leaving 50,455 shares worth $433K. The position accounts for ﹤0.01% of the portfolio, ranked #1487.

Acadian Asset Management first reported a position in ATEC in Q4 2016 and has held it in 8 quarters since. The position peaked at $1.38M in Q1 2026. 267 funds tracked by Wall St. Rank hold ATEC as of Q2 2026.

Acadian Asset Management held 50,455 shares of Alphatec Holdings worth $433K as of Q2 2026.
Acadian Asset Management sold 76,315 Alphatec Holdings shares in Q2 2026, an estimated $695K.
Alphatec Holdings made up ﹤0.01% of Acadian Asset Management's portfolio in Q2 2026, its #1487 holding.
Acadian Asset Management first reported a position in Alphatec Holdings in Q4 2016 and has held it in 8 quarters since.
Acadian Asset Management's Alphatec Holdings position peaked at $1.38M in Q1 2026.
267 funds tracked by Wall St. Rank held Alphatec Holdings as of Q2 2026.

Based on Acadian Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.