John Overdeck’s OSI Systems OSIS Stock Holding History

John Overdeck’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	–	Sell	-2,700	Closed	-$717K	–	5324
2026 Q1	$717K	Buy	+2,700	New	+$746K	﹤0.01%	3480

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

John Overdeck's OSIS Position: Q2 2026 in Review

John Overdeck held its OSI Systems (OSIS) position steady in Q2 2026 at 4,900 shares worth $1.07M. The position accounts for ﹤0.01% of the portfolio, ranked #3567.

John Overdeck first reported a position in OSIS in Q2 2013 and has held it in 27 quarters since. The position peaked at $14.7M in Q3 2025. 360 funds tracked by Wall St. Rank hold OSIS as of Q2 2026.

John Overdeck held 4,900 shares of OSI Systems worth $1.07M as of Q2 2026.
John Overdeck left its OSI Systems share count unchanged in Q2 2026.
OSI Systems made up ﹤0.01% of John Overdeck's portfolio in Q2 2026, its #3567 holding.
John Overdeck first reported a position in OSI Systems in Q2 2013 and has held it in 27 quarters since.
John Overdeck's OSI Systems position peaked at $14.7M in Q3 2025.
360 funds tracked by Wall St. Rank held OSI Systems as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.