William Blair & Company’s OSI Systems OSIS Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $1.46M | Buy |
5,493
+32
| +0.6% | +$8.85K | ﹤0.01% | 830 |
|
|
2025
Q4 | $1.39M | Buy |
5,461
+606
| +12% | +$158K | ﹤0.01% | 848 |
|
|
2025
Q3 | $1.21M | Buy |
4,855
+1,962
| +68% | +$448K | ﹤0.01% | 868 |
|
|
2025
Q2 | $651K | Buy |
+2,893
| New | +$617K | ﹤0.01% | 1011 |
|
|
2017
Q3 | – | Sell |
-26,900
| Closed | -$2.02M | – | 1469 |
|
|
2017
Q2 | $2.02M | Sell |
26,900
-17,800
| -40% | -$1.35M | 0.02% | 563 |
|
|
2017
Q1 | $3.26M | Buy |
44,700
+4,425
| +11% | +$329K | 0.03% | 418 |
|
|
2016
Q4 | $3.07M | Buy |
40,275
+1,000
| +3% | +$72.1K | 0.03% | 398 |
|
|
2016
Q3 | $2.57M | Buy |
39,275
+341
| +0.9% | +$21.5K | 0.02% | 441 |
|
|
2016
Q2 | $2.26M | Buy |
38,934
+10,039
| +35% | +$553K | 0.02% | 452 |
|
|
2016
Q1 | $1.89M | Sell |
28,895
-2,540
| -8% | -$168K | 0.02% | 468 |
|
|
2015
Q4 | $2.79M | Sell |
31,435
-2,175
| -6% | -$190K | 0.03% | 395 |
|
|
2015
Q3 | $2.59M | Sell |
33,610
-155,759
| -82% | -$11.2M | 0.02% | 466 |
|
|
2015
Q2 | $13.4M | Sell |
189,369
-1,837
| -1% | -$133K | 0.02% | 794 |
|
|
2015
Q1 | $14.2M | Buy |
191,206
+14,803
| +8% | +$1.06M | 0.02% | 737 |
|
|
2014
Q4 | $12.5M | Buy |
176,403
+2,800
| +2% | +$191K | 0.02% | 769 |
|
|
2014
Q3 | $11M | Sell |
173,603
-7,480
| -4% | -$497K | 0.02% | 799 |
|
|
2014
Q2 | $12.1M | Sell |
181,083
-7,940
| -4% | -$474K | 0.02% | 787 |
|
|
2014
Q1 | $11.3M | Sell |
189,023
-2,262
| -1% | -$135K | 0.02% | 786 |
|
|
2013
Q4 | $10.2M | Buy |
191,285
+88,207
| +86% | +$6.04M | 0.02% | 787 |
|
|
2013
Q3 | $7.67M | Buy |
103,078
+75,628
| +276% | +$5.37M | 0.01% | 811 |
|
|
2013
Q2 | $1.77M | Buy |
+27,450
| New | +$1.6M | ﹤0.01% | 1114 |
|
Other funds holding OSIS
VPM
VCM
