Jane Street’s OSI Systems OSIS Stock Holding History

Jane Street’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	$3.46M	Buy	15,800 +12,300	+351%	+$3.01M	﹤0.01%	4264
2026 Q1	$929K	Buy	+3,500	New	+$968K	﹤0.01%	6672
2025 Q3	–	Sell	-3,200	Closed	-$720K	–	11496
2025 Q2	$720K	Sell	3,200 -1,500	-32%	-$320K	﹤0.01%	6251
2025 Q1	$913K	Buy	+4,700	New	+$895K	﹤0.01%	5736
2019 Q4	–	Sell	-15,400	Closed	-$1.56M	–	5547
2019 Q3	$1.56M	Buy	15,400 +10,200	+196%	+$1.1M	﹤0.01%	2086
2019 Q2	$586K	Buy	+5,200	New	+$524K	﹤0.01%	3370

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

Jane Street's OSIS Position: Q2 2026 in Review

Jane Street opened a new position in OSI Systems (OSIS) in Q2 2026: 945 shares worth $207K. The stake represents ﹤0.01% of the portfolio and ranks #10066 among its holdings. This is a return to the name: Jane Street previously reported a position in OSIS as recently as Q4 2025.

Jane Street first reported a position in OSIS in Q2 2013 and has held it in 23 quarters since. The position peaked at $10.8M in Q2 2025. 365 funds tracked by Wall St. Rank hold OSIS as of Q2 2026.

Jane Street held 945 shares of OSI Systems worth $207K as of Q2 2026.
OSI Systems was a new Jane Street position in Q2 2026.
OSI Systems made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #10066 holding.
Jane Street first reported a position in OSI Systems in Q2 2013 and has held it in 23 quarters since.
Jane Street's OSI Systems position peaked at $10.8M in Q2 2025.
365 funds tracked by Wall St. Rank held OSI Systems as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.