Loomis, Sayles & Company’s OSI Systems OSIS Stock Holding History

Loomis, Sayles & Company’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	$50.8M	Sell	191,467 -15,979	-8%	-$4.42M	0.07%	93
2025 Q4	$52.9M	Sell	207,446 -9,760	-4%	-$2.55M	0.06%	103
2025 Q3	$54.1M	Buy	217,206 +87,895	+68%	+$20.1M	0.06%	105
2025 Q2	$29.1M	Buy	129,311 +33,320	+35%	+$7.11M	0.04%	176
2025 Q1	$18.7M	Buy	+95,991	New	+$18.3M	0.03%	248
2019 Q2	–	Sell	-262	Closed	-$23K	–	694
2019 Q1	$23K	Sell	262 -37	-12%	-$3.1K	﹤0.01%	636
2018 Q4	$22K	Sell	299 -155	-34%	-$11.2K	﹤0.01%	675
2018 Q3	$35K	Sell	454 -12	-3%	-$931	﹤0.01%	635
2018 Q2	$36K	Buy	+466	New	+$32.5K	﹤0.01%	652

Other funds holding OSIS

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

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

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

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

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

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

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

Loomis, Sayles & Company's OSIS Position: Q1 2026 in Review

Loomis, Sayles & Company reduced its OSI Systems (OSIS) stake by 7.7% in Q1 2026, selling an estimated $4.42M and leaving 191,467 shares worth $50.8M. The position accounts for 0.07% of the portfolio, ranked #93.

Loomis, Sayles & Company first reported a position in OSIS in Q2 2018 and has held it in 9 quarters since. The position peaked at $54.1M in Q3 2025. 368 funds tracked by Wall St. Rank hold OSIS as of Q1 2026.

Loomis, Sayles & Company held 191,467 shares of OSI Systems worth $50.8M as of Q1 2026.
Loomis, Sayles & Company sold 15,979 OSI Systems shares in Q1 2026, an estimated $4.42M.
OSI Systems made up 0.07% of Loomis, Sayles & Company's portfolio in Q1 2026, its #93 holding.
Loomis, Sayles & Company first reported a position in OSI Systems in Q2 2018 and has held it in 9 quarters since.
Loomis, Sayles & Company's OSI Systems position peaked at $54.1M in Q3 2025.
368 funds tracked by Wall St. Rank held OSI Systems as of Q1 2026.

Based on Loomis, Sayles & Company's 13F filing for Q1 2026, filed 14 May 2026.