Penbrook Management’s Axcelis ACLS Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q2 | $2.06M | Sell |
10,895
-1,200
| -10% | -$178K | 1.32% | 21 |
|
|
2026
Q1 | $1.13M | Sell |
12,095
-3,800
| -24% | -$337K | 0.85% | 34 |
|
|
2025
Q4 | $1.28M | Sell |
15,895
-1,000
| -6% | -$83.7K | 0.88% | 27 |
|
|
2025
Q3 | $1.65M | Sell |
16,895
-19,640
| -54% | -$1.58M | 1.15% | 21 |
|
|
2025
Q2 | $2.15M | Buy |
36,535
+16,895
| +86% | +$964K | 0.81% | 31 |
|
|
2025
Q1 | $976K | Buy |
19,640
+75
| +0.4% | +$4.74K | 0.74% | 38 |
|
|
2024
Q4 | $1.37M | Hold |
19,565
| – | – | 0.93% | 25 |
|
|
2024
Q3 | $2.05M | Sell |
19,565
-3,360
| -15% | -$393K | 1.33% | 12 |
|
|
2024
Q2 | $3.26M | Sell |
22,925
-19,535
| -46% | -$2.25M | 1.99% | 9 |
|
|
2024
Q1 | $4.74M | Sell |
42,460
-580
| -1% | -$69.1K | 2.93% | 5 |
|
|
2023
Q4 | $5.58M | Sell |
43,040
-550
| -1% | -$75.8K | 3.75% | 4 |
|
|
2023
Q3 | $7.11M | Sell |
43,590
-1,035
| -2% | -$182K | 5.21% | 3 |
|
|
2023
Q2 | $8.18M | Sell |
44,625
-2,685
| -6% | -$387K | 5.93% | 3 |
|
|
2023
Q1 | $6.3M | Sell |
47,310
-365
| -0.8% | -$42.9K | 4.83% | 3 |
|
|
2022
Q4 | $3.78M | Hold |
47,675
| – | – | 3.22% | 5 |
|
|
2022
Q3 | $2.89M | Sell |
47,675
-250
| -0.5% | -$16.1K | 2.48% | 9 |
|
|
2022
Q2 | $2.63M | Sell |
47,925
-225
| -0.5% | -$13K | 2.07% | 9 |
|
|
2022
Q1 | $3.64M | Sell |
48,150
-14,150
| -23% | -$967K | 2.36% | 7 |
|
|
2021
Q4 | $4.64M | Sell |
62,300
-1,500
| -2% | -$88.9K | 2.8% | 5 |
|
|
2021
Q3 | $3M | Sell |
63,800
-750
| -1% | -$32.6K | 1.86% | 9 |
|
|
2021
Q2 | $2.61M | Sell |
64,550
-1,250
| -2% | -$51.8K | 1.56% | 14 |
|
|
2021
Q1 | $2.7M | Sell |
65,800
-5,950
| -8% | -$222K | 1.95% | 10 |
|
|
2020
Q4 | $2.09M | Hold |
71,750
| – | – | 1.61% | 15 |
|
|
2020
Q3 | $1.58M | Buy |
71,750
+150
| +0.2% | +$3.83K | 1.37% | 20 |
|
|
2020
Q2 | $1.99M | Sell |
71,600
-9,000
| -11% | -$219K | 1.96% | 10 |
|
|
2020
Q1 | $1.48M | Sell |
80,600
-5,925
| -7% | -$138K | 1.89% | 9 |
|
|
2019
Q4 | $2.08M | Sell |
86,525
-300
| -0.3% | -$6.32K | 2.03% | 7 |
|
|
2019
Q3 | $1.48M | Sell |
86,825
-700
| -0.8% | -$11.2K | 1.61% | 14 |
|
|
2019
Q2 | $1.32M | Hold |
87,525
| – | – | 1.41% | 17 |
|
|
2019
Q1 | $1.76M | Sell |
87,525
-4,675
| -5% | -$94.9K | 1.83% | 12 |
|
|
2018
Q4 | $1.64M | Hold |
92,200
| – | – | 1.87% | 13 |
|
|
2018
Q3 | $1.81M | Sell |
92,200
-350
| -0.4% | -$7.21K | 1.73% | 14 |
|
|
2018
Q2 | $1.83M | Hold |
92,550
| – | – | 1.76% | 13 |
|
|
2018
Q1 | $2.28M | Sell |
92,550
-4,255
| -4% | -$112K | 2.28% | 9 |
|
|
2017
Q4 | $2.78M | Buy |
+96,805
| New | +$3.05M | 2.5% | 7 |
|
|
2016
Q3 | $1.63M | Hold |
122,360
| – | – | 1.75% | 13 |
|
|
2016
Q2 | $1.32M | Sell |
122,360
-500
| -0.4% | -$5.36K | 1.45% | 17 |
|
|
2016
Q1 | $1.38M | Sell |
122,860
-5,750
| -4% | -$58.8K | 1.52% | 17 |
|
|
2015
Q4 | $1.33M | Sell |
128,610
-1,725
| -1% | -$18.3K | 1.37% | 23 |
|
|
2015
Q3 | $1.39M | Sell |
130,335
-1,830
| -1% | -$22.3K | 1.47% | 22 |
|
|
2015
Q2 | $1.56M | Sell |
132,165
-180
| -0.1% | -$2.08K | 1.49% | 17 |
|
|
2015
Q1 | $1.26M | Sell |
132,345
-430
| -0.3% | -$4.44K | 1.12% | 32 |
|
|
2014
Q4 | $1.36M | Hold |
132,775
| – | – | 1.23% | 32 |
|
|
2014
Q3 | $1.06M | Hold |
132,775
| – | – | 0.97% | 39 |
|
|
2014
Q2 | $1.06M | Sell |
132,775
-126,725
| -49% | -$945K | 0.94% | 40 |
|
|
2014
Q1 | $2.38M | Buy |
259,500
+129,175
| +99% | +$1.19M | 1.14% | 29 |
|
|
2013
Q4 | $1.27M | Buy |
+130,325
| New | +$1.18M | 1.23% | 28 |
|
Other funds holding ACLS
RP
Penbrook Management's ACLS Position: Q2 2026 in Review
Penbrook Management reduced its Axcelis (ACLS) stake by 9.9% in Q2 2026, selling an estimated $178K and leaving 10,895 shares worth $2.06M. The position accounts for 1.32% of the portfolio, ranked #21.
Penbrook Management first reported a position in ACLS in Q4 2013 and has held it in 47 quarters since. The position peaked at $8.18M in Q2 2023. 439 funds tracked by Wall St. Rank hold ACLS as of Q2 2026.
- Penbrook Management held 10,895 shares of Axcelis worth $2.06M as of Q2 2026.
- Penbrook Management sold 1,200 Axcelis shares in Q2 2026, an estimated $178K.
- Axcelis made up 1.32% of Penbrook Management's portfolio in Q2 2026, its #21 holding.
- Penbrook Management first reported a position in Axcelis in Q4 2013 and has held it in 47 quarters since.
- Penbrook Management's Axcelis position peaked at $8.18M in Q2 2023.
- 439 funds tracked by Wall St. Rank held Axcelis as of Q2 2026.
Based on Penbrook Management's 13F filing for Q2 2026, filed 23 Jul 2026.