Wellington Management Group

Wellington Management Group’s OSI Systems OSIS Stock Holding History

Wellington Management Group’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	$24.9M	Buy	93,754 +43,893	+88%	+$12.1M	﹤0.01%	927
2025 Q4	$12.7M	Buy	+49,861	New	+$13M	﹤0.01%	1183
2020 Q3	–	Sell	-9,895	Closed	-$738K	–	1963
2020 Q2	$738K	Sell	9,895 -9,967	-50%	-$728K	﹤0.01%	1567
2020 Q1	$1.37M	Sell	19,862 -1,279	-6%	-$109K	﹤0.01%	1447
2019 Q4	$2.13M	Sell	21,141 -7,026	-25%	-$694K	﹤0.01%	1531
2019 Q3	$2.86M	Buy	28,167 +19,541	+227%	+$2.11M	﹤0.01%	1491
2019 Q2	$972K	Buy	+8,626	New	+$869K	﹤0.01%	1773
2015 Q1	–	Sell	-7,924	Closed	-$561K	–	2217
2014 Q4	$561K	Buy	+7,924	New	+$540K	﹤0.01%	1978

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