Two Sigma Investments
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Two Sigma Investments’s Axcelis ACLS Stock Holding History

Two Sigma Investments’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 		$18.4M Buy
197,566
+126,322
+177% +$11.2M 0.01% 998
2025
Q4 		$5.72M Buy
71,244
+34,079
+92% +$2.85M 0.01% 1590
2025
Q3 		$3.63M Buy
37,165
+1,272
+4% +$102K 0.01% 1716
2025
Q2 		$2.5M Sell
35,893
-8,451
-19% -$482K ﹤0.01% 1676
2025
Q1 		$2.2M Buy
44,344
+24,709
+126% +$1.56M ﹤0.01% 1672
2024
Q4 		$1.37M Buy
19,635
+12,335
+169% +$1.02M ﹤0.01% 1972
2024
Q3 		$765K Buy
+7,300
New +$854K ﹤0.01% 2266
2024
Q2 		– Sell
-9,401
Closed -$1.05M – 2993
2024
Q1 		$1.05M Sell
9,401
-34,313
-78% -$4.09M ﹤0.01% 1934
2023
Q4 		$5.67M Buy
43,714
+32,789
+300% +$4.52M 0.01% 923
2023
Q3 		$1.78M Buy
+10,925
New +$1.92M ﹤0.01% 1484
2023
Q2 		– Sell
-3,048
Closed -$406K – 2973
2023
Q1 		$406K Buy
+3,048
New +$358K ﹤0.01% 2296
2022
Q3 		– Sell
-26,325
Closed -$1.44M – 2438
2022
Q2 		$1.44M Buy
26,325
+896
+4% +$51.9K ﹤0.01% 1365
2022
Q1 		$1.92M Sell
25,429
-8,416
-25% -$575K 0.01% 1366
2021
Q4 		$2.52M Sell
33,845
-53,799
-61% -$3.19M 0.01% 1725
2021
Q3 		$4.12M Buy
87,644
+40,139
+84% +$1.75M 0.01% 1376
2021
Q2 		$1.92M Buy
+47,505
New +$1.97M ﹤0.01% 1899
2021
Q1 		– Sell
-55,632
Closed -$1.62M – 3752
2020
Q4 		$1.62M Buy
55,632
+24,679
+80% +$638K ﹤0.01% 1629
2020
Q3 		$681K Sell
30,953
-87,776
-74% -$2.24M ﹤0.01% 2018
2020
Q2 		$3.31M Buy
+118,729
New +$2.9M 0.02% 847
2019
Q4 		– Sell
-27,609
Closed -$472K – 3600
2019
Q3 		$472K Sell
27,609
-30,135
-52% -$482K ﹤0.01% 2605
2019
Q2 		$869K Buy
57,744
+24,827
+75% +$443K ﹤0.01% 2053
2019
Q1 		$662K Buy
32,917
+5,370
+19% +$109K ﹤0.01% 2082
2018
Q4 		$490K Sell
27,547
-125,829
-82% -$2.24M ﹤0.01% 2110
2018
Q3 		$3.01M Sell
153,376
-101,063
-40% -$2.08M 0.01% 1203
2018
Q2 		$5.04M Buy
254,439
+110,765
+77% +$2.44M 0.02% 1018
2018
Q1 		$3.53M Sell
143,674
-79,834
-36% -$2.1M 0.01% 1155
2017
Q4 		$6.42M Buy
223,508
+12,016
+6% +$378K 0.02% 790
2017
Q3 		$5.78M Sell
211,492
-103,116
-33% -$2.28M 0.02% 742
2017
Q2 		$6.59M Buy
+314,608
New +$6.65M 0.02% 713
2016
Q3 		– Sell
-37,169
Closed -$400K – 3057
2016
Q2 		$400K Buy
37,169
+9,419
+34% +$101K ﹤0.01% 2391
2016
Q1 		$311K Buy
27,750
+10,601
+62% +$108K ﹤0.01% 2357
2015
Q4 		$178K Sell
17,149
-80,701
-82% -$857K ﹤0.01% 2495
2015
Q3 		$1.04M Sell
97,850
-27,973
-22% -$341K 0.01% 1172
2015
Q2 		$1.49M Buy
125,823
+68,699
+120% +$796K 0.01% 1388
2015
Q1 		$544K Buy
+57,124
New +$590K ﹤0.01% 1927
2014
Q2 		– Sell
-7,335
Closed -$63K – 2115
2014
Q1 		$63K Sell
7,335
-67,087
-90% -$617K ﹤0.01% 1912
2013
Q4 		$726K Buy
74,422
+19,477
+35% +$177K ﹤0.01% 1488
2013
Q3 		$463K Sell
54,945
-18,073
-25% -$146K ﹤0.01% 1333
2013
Q2 		$532K Buy
+73,018
New +$424K ﹤0.01% 1379

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

Two Sigma Investments's ACLS Position: Q1 2026 in Review

Two Sigma Investments increased its Axcelis (ACLS) stake by 177% in Q1 2026, buying an estimated $11.2M and bringing the position to 197,566 shares worth $18.4M. The position accounts for 0.01% of the portfolio, ranked #998.

Two Sigma Investments first reported a position in ACLS in Q2 2013 and has held it in 39 quarters since. 377 funds tracked by Wall St. Rank hold ACLS as of Q1 2026.

  • Two Sigma Investments held 197,566 shares of Axcelis worth $18.4M as of Q1 2026.
  • Two Sigma Investments bought 126,322 Axcelis shares in Q1 2026, an estimated $11.2M.
  • Axcelis made up 0.01% of Two Sigma Investments's portfolio in Q1 2026, its #998 holding.
  • Two Sigma Investments first reported a position in Axcelis in Q2 2013 and has held it in 39 quarters since.
  • 377 funds tracked by Wall St. Rank held Axcelis as of Q1 2026.

Based on Two Sigma Investments's 13F filing for Q1 2026, filed 15 May 2026.