Atom Investors’s OSI Systems OSIS Stock Holding History

Atom Investors’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	$1.4M	Buy	+5,280	New	+$1.46M	0.1%	300
2025 Q3	–	Sell	-24,295	Closed	-$5.46M	–	762
2025 Q2	$5.46M	Sell	24,295 -13,984	-37%	-$2.98M	0.48%	44
2025 Q1	$7.44M	Buy	+38,279	New	+$7.29M	0.92%	14
2024 Q3	–	Sell	-1,664	Closed	-$229K	–	574
2024 Q2	$229K	Sell	1,664 -1,172	-41%	-$162K	0.02%	411
2024 Q1	$405K	Sell	2,836 -5,152	-64%	-$676K	0.05%	367
2023 Q4	$1.03M	Buy	+7,988	New	+$951K	0.18%	181
2023 Q3	–	Sell	-2,109	Closed	-$249K	–	490
2023 Q2	$249K	Buy	+2,109	New	+$242K	0.09%	213
2019 Q4	–	Sell	-21,380	Closed	-$2.17M	–	292
2019 Q3	$2.17M	Buy	21,380 +2,858	+15%	+$309K	0.16%	151
2019 Q2	$2.09M	Buy	+18,522	New	+$1.87M	0.14%	183

Other funds holding OSIS

BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return

Fidelity Investments

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Janus Henderson Group

Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Mawer Investment Management

Mawer Investment Management Calgary, Alberta, Canada $15.4B AUM 10.9% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Capital International Investors

Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return

Geode Capital Management

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

UBS AM Chicago, Illinois $481B AUM 26.39% 1-Year Est. Return