Harbor Capital Advisors’s Axcelis ACLS Stock Holding History

Harbor Capital Advisors’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	$3.89M	Sell	41,831 -2,856	-6%	-$253K	0.32%	59
2025 Q4	$3.59M	Sell	44,687 -338	-0.8%	-$28.3K	0.28%	72
2025 Q3	$4.4M	Sell	45,025 -90,558	-67%	-$7.29M	0.34%	49
2025 Q2	$9.45M	Sell	135,583 -4,999	-4%	-$285K	0.4%	72
2025 Q1	$6.98M	Buy	140,582 +52,757	+60%	+$3.34M	0.32%	105
2024 Q4	$6.14M	Buy	87,825 +27,497	+46%	+$2.28M	0.27%	115
2024 Q3	$6.33M	Buy	60,328 +42,779	+244%	+$5M	0.27%	109
2024 Q2	$2.5M	Buy	17,549 +13,258	+309%	+$1.53M	0.19%	150
2024 Q1	$479K	Buy	+4,291	New	+$511K	0.06%	411

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

Harbor Capital Advisors's ACLS Position: Q1 2026 in Review

Harbor Capital Advisors reduced its Axcelis (ACLS) stake by 6.4% in Q1 2026, selling an estimated $253K and leaving 41,831 shares worth $3.89M. The position accounts for 0.32% of the portfolio, ranked #59.

Harbor Capital Advisors first reported a position in ACLS in Q1 2024 and has held it in 9 quarters since. The position peaked at $9.45M in Q2 2025. 377 funds tracked by Wall St. Rank hold ACLS as of Q1 2026.

Harbor Capital Advisors held 41,831 shares of Axcelis worth $3.89M as of Q1 2026.
Harbor Capital Advisors sold 2,856 Axcelis shares in Q1 2026, an estimated $253K.
Axcelis made up 0.32% of Harbor Capital Advisors's portfolio in Q1 2026, its #59 holding.
Harbor Capital Advisors first reported a position in Axcelis in Q1 2024 and has held it in 9 quarters since.
Harbor Capital Advisors's Axcelis position peaked at $9.45M in Q2 2025.
377 funds tracked by Wall St. Rank held Axcelis as of Q1 2026.

Based on Harbor Capital Advisors's 13F filing for Q1 2026, filed 28 Apr 2026.