OAM
OSIS icon

Oberweis Asset Management’s OSI Systems OSIS Stock Holding History

Oberweis Asset Management’s Portfolio OSIS Stock Details OSIS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$28.3M Buy
106,593
+5,193
+5% +$1.44M 0.84% 36
2025
Q4 		$25.9M Hold
101,400
– – 0.95% 24
2025
Q3 		$25.3M Sell
101,400
-7,600
-7% -$1.73M 0.97% 23
2025
Q2 		$24.5M Buy
109,000
+8,600
+9% +$1.84M 1.07% 24
2025
Q1 		$19.5M Hold
100,400
– – 0.97% 31
2024
Q4 		$16.8M Buy
100,400
+31,200
+45% +$4.95M 0.79% 43
2024
Q3 		$10.5M Hold
69,200
– – 0.54% 68
2024
Q2 		$9.52M Buy
69,200
+13,900
+25% +$1.92M 0.58% 62
2024
Q1 		$7.9M Buy
55,300
+20,000
+57% +$2.63M 0.57% 68
2023
Q4 		$4.56M Buy
35,300
+9,900
+39% +$1.18M 0.42% 96
2023
Q3 		$3M Buy
+25,400
New +$3.06M 0.32% 121
2018
Q1 		– Sell
-14,900
Closed -$959K – 239
2017
Q4 		$959K Buy
14,900
+100
+0.7% +$8.4K 0.22% 105
2017
Q3 		$1.35M Hold
14,800
– – 0.38% 64
2017
Q2 		$1.11M Buy
14,800
+2,500
+20% +$189K 0.31% 68
2017
Q1 		$898K Buy
+12,300
New +$914K 0.26% 80

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UBS AM
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