O'Shaughnessy Asset Management’s Axcelis ACLS Stock Holding History

O'Shaughnessy Asset Management’s Portfolio ACLS Stock Details ACLS Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$473K	Sell	5,086 -720	-12%	-$63.8K	﹤0.01%	1556
2025 Q4	$466K	Buy	5,806 +2,779	+92%	+$233K	﹤0.01%	1537
2025 Q3	$296K	Buy	+3,027	New	+$244K	﹤0.01%	1753
2024 Q4	–	Sell	-2,159	Closed	-$227K	–	2194
2024 Q3	$227K	Buy	2,159 +188	+10%	+$22K	﹤0.01%	1617
2024 Q2	$280K	Buy	1,971 +96	+5%	+$11.1K	﹤0.01%	1398
2024 Q1	$209K	Sell	1,875 -28	-1%	-$3.34K	﹤0.01%	1487
2023 Q4	$247K	Sell	1,903 -32	-2%	-$4.41K	﹤0.01%	1301
2023 Q3	$316K	Sell	1,935 -662	-25%	-$116K	﹤0.01%	1088
2023 Q2	$476K	Sell	2,597 -543	-17%	-$78.2K	0.01%	905
2023 Q1	$418K	Buy	3,140 +84	+3%	+$9.87K	0.01%	929
2022 Q4	$243K	Buy	+3,056	New	+$215K	﹤0.01%	1045
2021 Q4	–	Sell	-154	Closed	-$7K	–	1264
2021 Q3	$7K	Buy	+154	New	+$6.7K	﹤0.01%	2237

Other funds holding ACLS

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

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Reinhart Partners Mequon, Wisconsin $4.38B AUM 55.55% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Balyasny Asset Management Chicago, Illinois $77.1B AUM 42.89% 1-Year Est. Return

Victory Capital Management San Antonio, Texas $156B AUM 27.51% 1-Year Est. Return

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

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

American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return

O'Shaughnessy Asset Management's ACLS Position: Q1 2026 in Review

O'Shaughnessy Asset Management reduced its Axcelis (ACLS) stake by 12% in Q1 2026, selling an estimated $63.8K and leaving 5,086 shares worth $473K. The position accounts for ﹤0.01% of the portfolio, ranked #1556.

O'Shaughnessy Asset Management first reported a position in ACLS in Q3 2021 and has held it in 12 quarters since. The position peaked at $476K in Q2 2023. 377 funds tracked by Wall St. Rank hold ACLS as of Q1 2026.

O'Shaughnessy Asset Management held 5,086 shares of Axcelis worth $473K as of Q1 2026.
O'Shaughnessy Asset Management sold 720 Axcelis shares in Q1 2026, an estimated $63.8K.
Axcelis made up ﹤0.01% of O'Shaughnessy Asset Management's portfolio in Q1 2026, its #1556 holding.
O'Shaughnessy Asset Management first reported a position in Axcelis in Q3 2021 and has held it in 12 quarters since.
O'Shaughnessy Asset Management's Axcelis position peaked at $476K in Q2 2023.
377 funds tracked by Wall St. Rank held Axcelis as of Q1 2026.

Based on O'Shaughnessy Asset Management's 13F filing for Q1 2026, filed 13 May 2026.