CSS LLC’s OSI Systems OSIS Stock Holding History

CSS LLC’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
2021 Q1	–	Sell	-10,000	Closed	-$932K	–	1031
2020 Q4	$932K	Sell	10,000 -20,000	-67%	-$1.71M	0.04%	335
2020 Q3	$2.33M	Hold	30,000	–	–	0.11%	171
2020 Q2	$2.24M	Buy	+30,000	New	+$2.19M	0.13%	161
2018 Q3	–	Sell	-21,400	Closed	-$1.66M	–	563
2018 Q2	$1.66M	Hold	21,400	–	–	0.08%	162
2018 Q1	$1.4M	Buy	21,400 +9,000	+73%	+$584K	0.07%	176
2017 Q4	$798K	Buy	+12,400	New	+$1.04M	0.04%	266

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

CSS LLC's OSIS Position: Q2 2026 in Review

CSS LLC sold out of OSI Systems (OSIS) in Q2 2026, closing a stake of 4,500 shares — an estimated $1.19M sold.

CSS LLC first reported a position in OSIS in Q4 2013 and held it in 20 quarters. The position peaked at $2.32M in Q2 2025. 365 funds tracked by Wall St. Rank hold OSIS as of Q2 2026.

CSS LLC reported no remaining OSI Systems position as of Q2 2026 after selling out during the quarter.
CSS LLC sold 4,500 OSI Systems shares in Q2 2026, an estimated $1.19M.
CSS LLC first reported a position in OSI Systems in Q4 2013 and held it in 20 quarters.
CSS LLC's OSI Systems position peaked at $2.32M in Q2 2025.
365 funds tracked by Wall St. Rank held OSI Systems as of Q2 2026.

Based on CSS LLC's 13F filing for Q2 2026, filed 14 Aug 2026.