Citadel Advisors’s Axcelis ACLS Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$419K Sell
4,505
-171,542
-97% -$15.2M ﹤0.01% 9730
2025
Q4
$14.1M Buy
176,047
+149,220
+556% +$12.5M ﹤0.01% 2779
2025
Q3
$2.62M Sell
26,827
-227,666
-89% -$18.3M ﹤0.01% 5548
2025
Q2
$17.7M Buy
254,493
+232,400
+1,052% +$13.3M ﹤0.01% 2290
2025
Q1
$1.1M Sell
22,093
-109,471
-83% -$6.92M ﹤0.01% 6756
2024
Q4
$9.19M Buy
131,564
+52,420
+66% +$4.35M ﹤0.01% 3093
2024
Q3
$8.3M Sell
79,144
-81,992
-51% -$9.59M ﹤0.01% 3197
2024
Q2
$22.9M Buy
161,136
+49,410
+44% +$5.7M ﹤0.01% 1862
2024
Q1
$12.5M Buy
+111,726
New +$13.3M ﹤0.01% 2642
2023
Q4
Sell
-16,361
Closed -$2.25M 14172
2023
Q3
$2.67M Sell
16,361
-10,835
-40% -$1.91M ﹤0.01% 4707
2023
Q2
$4.99M Sell
27,196
-142,114
-84% -$20.5M ﹤0.01% 3659
2023
Q1
$22.6M Buy
169,310
+166,117
+5,203% +$19.5M 0.01% 1802
2022
Q4
$253K Sell
3,193
-1,355
-30% -$95.5K ﹤0.01% 9671
2022
Q3
$275K Sell
4,548
-4,459
-50% -$288K ﹤0.01% 9755
2022
Q2
$494K Sell
9,007
-7,208
-44% -$418K ﹤0.01% 8681
2022
Q1
$1.23M Sell
16,215
-17,776
-52% -$1.21M ﹤0.01% 7242
2021
Q4
$2.53M Sell
33,991
-15
-0% -$889 ﹤0.01% 5691
2021
Q3
$1.6M Sell
34,006
-58,838
-63% -$2.56M ﹤0.01% 6930
2021
Q2
$3.75M Buy
92,844
+30,083
+48% +$1.25M ﹤0.01% 5067
2021
Q1
$2.58M Sell
62,761
-11,590
-16% -$432K ﹤0.01% 5792
2020
Q4
$2.17M Sell
74,351
-37,265
-33% -$964K ﹤0.01% 5196
2020
Q3
$2.46M Sell
111,616
-140,821
-56% -$3.59M ﹤0.01% 4344
2020
Q2
$7.03M Buy
252,437
+81,687
+48% +$1.99M ﹤0.01% 2629
2020
Q1
$3.13M Buy
170,750
+83,109
+95% +$1.93M ﹤0.01% 3397
2019
Q4
$2.11M Sell
87,641
-12,918
-13% -$272K ﹤0.01% 4333
2019
Q3
$1.72M Buy
100,559
+19,906
+25% +$318K ﹤0.01% 4727
2019
Q2
$1.21M Buy
+80,653
New +$1.44M ﹤0.01% 5379
2018
Q3
Sell
-87,416
Closed -$1.8M 9144
2018
Q2
$1.73M Buy
87,416
+30,728
+54% +$676K ﹤0.01% 4321
2018
Q1
$1.4M Buy
56,688
+38,672
+215% +$1.02M ﹤0.01% 4292
2017
Q4
$517K Buy
18,016
+9,514
+112% +$299K ﹤0.01% 5597
2017
Q3
$233K Sell
8,502
-7,272
-46% -$161K ﹤0.01% 6468
2017
Q2
$330K Buy
+15,774
New +$333K ﹤0.01% 5745
2016
Q3
Sell
-10,207
Closed -$110K 7170
2016
Q2
$110K Sell
10,207
-25
-0.2% -$268 ﹤0.01% 6146
2016
Q1
$115K Sell
10,232
-16,705
-62% -$171K ﹤0.01% 5964
2015
Q4
$279K Sell
26,937
-78,107
-74% -$830K ﹤0.01% 5321
2015
Q3
$1.12M Buy
105,044
+59,400
+130% +$724K ﹤0.01% 3658
2015
Q2
$541K Buy
45,644
+30,634
+204% +$355K ﹤0.01% 4831
2015
Q1
$142K Buy
+15,010
New +$155K ﹤0.01% 6545
2014
Q4
Sell
-3,435
Closed -$27K 8450
2014
Q3
$27K Sell
3,435
-25,236
-88% -$190K ﹤0.01% 7268
2014
Q2
$229K Buy
+28,671
New +$214K ﹤0.01% 5412
2014
Q1
Sell
-12,198
Closed -$112K 7813
2013
Q4
$119K Sell
12,198
-3,317
-21% -$30.1K ﹤0.01% 5469
2013
Q3
$131K Sell
15,515
-4,750
-23% -$38.5K ﹤0.01% 5137
2013
Q2
$147K Buy
+20,265
New +$118K ﹤0.01% 4918

Other funds holding ACLS

Citadel Advisors's ACLS Position: Q1 2026 in Review

Citadel Advisors reduced its Axcelis (ACLS) stake by 97% in Q1 2026, selling an estimated $15.2M and leaving 4,505 shares worth $419K. The position accounts for ﹤0.01% of the portfolio, ranked #9730.

Citadel Advisors first reported a position in ACLS in Q2 2013 and has held it in 43 quarters since. The position peaked at $22.9M in Q2 2024. 377 funds tracked by Wall St. Rank hold ACLS as of Q1 2026.

  • Citadel Advisors held 4,505 shares of Axcelis worth $419K as of Q1 2026.
  • Citadel Advisors sold 171,542 Axcelis shares in Q1 2026, an estimated $15.2M.
  • Axcelis made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #9730 holding.
  • Citadel Advisors first reported a position in Axcelis in Q2 2013 and has held it in 43 quarters since.
  • Citadel Advisors's Axcelis position peaked at $22.9M in Q2 2024.
  • 377 funds tracked by Wall St. Rank held Axcelis as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.