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 Q2	$38.8M	Buy	177,616 +83,862	+89%	+$20.5M	0.01%	822
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 $6.73T AUM 46.02% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Jupiter Topco New York $245B AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

UBS AM Chicago, Illinois $550B AUM 43.33% 1-Year Est. Return

CCM

Channing Capital Management Chicago, Illinois $4.34B AUM 37.08% 1-Year Est. Return

Wellington Management Group's OSIS Position: Q2 2026 in Review

Wellington Management Group increased its OSI Systems (OSIS) stake by 89% in Q2 2026, buying an estimated $20.5M and bringing the position to 177,616 shares worth $38.8M. The position accounts for 0.01% of the portfolio, ranked #822.

Wellington Management Group first reported a position in OSIS in Q4 2014 and has held it in 9 quarters since. 362 funds tracked by Wall St. Rank hold OSIS as of Q2 2026.

Wellington Management Group held 177,616 shares of OSI Systems worth $38.8M as of Q2 2026.
Wellington Management Group bought 83,862 OSI Systems shares in Q2 2026, an estimated $20.5M.
OSI Systems made up 0.01% of Wellington Management Group's portfolio in Q2 2026, its #822 holding.
Wellington Management Group first reported a position in OSI Systems in Q4 2014 and has held it in 9 quarters since.
362 funds tracked by Wall St. Rank held OSI Systems as of Q2 2026.

Based on Wellington Management Group's 13F filing for Q2 2026, filed 14 Aug 2026.