PEAK6’s OSI Systems OSIS Stock Holding History

PEAK6’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	$723K	Buy	+3,307	New	+$810K	﹤0.01%	1822
2025 Q3	–	Sell	-115	Closed	-$26.3K	–	3335
2025 Q2	$25.9K	Buy	+115	New	+$24.5K	﹤0.01%	2749

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 $3.38T AUM 44.17% 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

PEAK6's OSIS Position: Q2 2026 in Review

PEAK6 opened a new position in OSI Systems (OSIS) in Q2 2026: 3,307 shares worth $723K. The stake represents ﹤0.01% of the portfolio and ranks #1822 among its holdings. This is a return to the name: PEAK6 previously reported a position in OSIS as recently as Q2 2025.

PEAK6 first reported a position in OSIS in Q2 2025 and has held it in 2 quarters since. 366 funds tracked by Wall St. Rank hold OSIS as of Q2 2026.

PEAK6 held 3,307 shares of OSI Systems worth $723K as of Q2 2026.
OSI Systems was a new PEAK6 position in Q2 2026.
OSI Systems made up ﹤0.01% of PEAK6's portfolio in Q2 2026, its #1822 holding.
PEAK6 first reported a position in OSI Systems in Q2 2025 and has held it in 2 quarters since.
366 funds tracked by Wall St. Rank held OSI Systems as of Q2 2026.

Based on PEAK6's 13F filing for Q2 2026, filed 13 Aug 2026.