American Century Companies
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American Century Companies’s Axcelis ACLS Stock Holding History

American Century Companies’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 		$88.6M Sell
951,914
-281,732
-23% -$24.9M 0.05% 485
2025
Q4 		$99.1M Sell
1,233,646
-112,115
-8% -$9.39M 0.05% 413
2025
Q3 		$131M Sell
1,345,761
-313,702
-19% -$25.3M 0.07% 302
2025
Q2 		$116M Buy
1,659,463
+518,968
+46% +$29.6M 0.06% 324
2025
Q1 		$56.6M Buy
1,140,495
+80,399
+8% +$5.08M 0.03% 557
2024
Q4 		$74.1M Buy
1,060,096
+290,678
+38% +$24.1M 0.04% 445
2024
Q3 		$80.7M Buy
769,418
+384,237
+100% +$44.9M 0.05% 402
2024
Q2 		$54.8M Buy
385,181
+38,827
+11% +$4.48M 0.03% 539
2024
Q1 		$38.6M Buy
346,354
+199,833
+136% +$23.8M 0.02% 663
2023
Q4 		$19M Sell
146,521
-9,505
-6% -$1.31M 0.01% 896
2023
Q3 		$25.4M Buy
156,026
+23,044
+17% +$4.05M 0.02% 717
2023
Q2 		$24.4M Sell
132,982
-1,596
-1% -$230K 0.02% 693
2023
Q1 		$18M Buy
134,578
+10,308
+8% +$1.21M 0.01% 801
2022
Q4 		$9.86M Buy
124,270
+42,633
+52% +$3M 0.01% 978
2022
Q3 		$4.94M Buy
81,637
+56,664
+227% +$3.66M ﹤0.01% 1114
2022
Q2 		$1.37M Buy
24,973
+16,713
+202% +$968K ﹤0.01% 1565
2022
Q1 		$624K Buy
+8,260
New +$564K ﹤0.01% 1864
2021
Q4 		– Sell
-8,355
Closed -$393K – 2309
2021
Q3 		$393K Hold
8,355
– – ﹤0.01% 1977
2021
Q2 		$338K Hold
8,355
– – ﹤0.01% 2005
2021
Q1 		$343K Buy
+8,355
New +$312K ﹤0.01% 1863

Other funds holding ACLS

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
RP
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
Balyasny Asset Management Chicago, Illinois $77.1B AUM 42.89% 1-Year Est. Return
Victory Capital Management
Victory Capital Management San Antonio, Texas $156B AUM 27.51% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
BNP Paribas Asset Management
BNP Paribas Asset Management Paris, France $86.1B AUM 29.11% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

American Century Companies's ACLS Position: Q1 2026 in Review

American Century Companies reduced its Axcelis (ACLS) stake by 23% in Q1 2026, selling an estimated $24.9M and leaving 951,914 shares worth $88.6M. The position accounts for 0.05% of the portfolio, ranked #485.

American Century Companies first reported a position in ACLS in Q1 2021 and has held it in 20 quarters since. The position peaked at $131M in Q3 2025. 377 funds tracked by Wall St. Rank hold ACLS as of Q1 2026.

  • American Century Companies held 951,914 shares of Axcelis worth $88.6M as of Q1 2026.
  • American Century Companies sold 281,732 Axcelis shares in Q1 2026, an estimated $24.9M.
  • Axcelis made up 0.05% of American Century Companies's portfolio in Q1 2026, its #485 holding.
  • American Century Companies first reported a position in Axcelis in Q1 2021 and has held it in 20 quarters since.
  • American Century Companies's Axcelis position peaked at $131M in Q3 2025.
  • 377 funds tracked by Wall St. Rank held Axcelis as of Q1 2026.

Based on American Century Companies's 13F filing for Q1 2026, filed 15 May 2026.