William Blair & Company’s OSI Systems OSIS Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2025
Q2
$651K Buy
+2,893
New +$651K ﹤0.01% 1011
2017
Q3
Sell
-26,900
Closed -$2.02M 1386
2017
Q2
$2.02M Sell
26,900
-17,800
-40% -$1.34M 0.02% 563
2017
Q1
$3.26M Buy
44,700
+4,425
+11% +$323K 0.03% 418
2016
Q4
$3.07M Buy
40,275
+1,000
+3% +$76.1K 0.03% 398
2016
Q3
$2.57M Buy
39,275
+341
+0.9% +$22.3K 0.02% 441
2016
Q2
$2.26M Buy
38,934
+10,039
+35% +$584K 0.02% 452
2016
Q1
$1.89M Sell
28,895
-2,540
-8% -$166K 0.02% 468
2015
Q4
$2.79M Sell
31,435
-2,175
-6% -$193K 0.03% 395
2015
Q3
$2.59M Sell
33,610
-155,759
-82% -$12M 0.02% 466
2015
Q2
$13.4M Sell
189,369
-1,837
-1% -$130K 0.02% 793
2015
Q1
$14.2M Buy
191,206
+14,803
+8% +$1.1M 0.02% 736
2014
Q4
$12.5M Buy
176,403
+2,800
+2% +$198K 0.02% 768
2014
Q3
$11M Sell
173,603
-7,480
-4% -$475K 0.02% 799
2014
Q2
$12.1M Sell
181,083
-7,940
-4% -$530K 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% +$4.68M 0.02% 787
2013
Q3
$7.67M Buy
103,078
+75,628
+276% +$5.63M 0.01% 811
2013
Q2
$1.77M Buy
+27,450
New +$1.77M ﹤0.01% 1114