Vanguard Portfolio Management
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Vanguard Portfolio Management’s OSI Systems OSIS Stock Holding History

Vanguard Portfolio Management’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 		$278M Buy
1,272,016
+22,268
+2% +$5.46M 0.01% 1030
2026
Q1 		$332M Buy
+1,249,748
New +$346M 0.02% 839

Other funds holding OSIS

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
JT
Jupiter Topco New York $245B AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
UBS AM
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
HRCM
Hood River Capital Management Palm Beach Gardens, Florida $13.8B AUM 163.97% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Vanguard Portfolio Management's OSIS Position: Q2 2026 in Review

Vanguard Portfolio Management increased its OSI Systems (OSIS) stake by 1.8% in Q2 2026, buying an estimated $5.46M and bringing the position to 1,272,016 shares worth $278M. The position accounts for 0.01% of the portfolio, ranked #1030.

Vanguard Portfolio Management first reported a position in OSIS in Q1 2026 and has held it in 2 quarters since. The position peaked at $332M in Q1 2026. 336 funds tracked by Wall St. Rank hold OSIS as of Q2 2026.

  • Vanguard Portfolio Management held 1,272,016 shares of OSI Systems worth $278M as of Q2 2026.
  • Vanguard Portfolio Management bought 22,268 OSI Systems shares in Q2 2026, an estimated $5.46M.
  • OSI Systems made up 0.01% of Vanguard Portfolio Management's portfolio in Q2 2026, its #1030 holding.
  • Vanguard Portfolio Management first reported a position in OSI Systems in Q1 2026 and has held it in 2 quarters since.
  • Vanguard Portfolio Management's OSI Systems position peaked at $332M in Q1 2026.
  • 336 funds tracked by Wall St. Rank held OSI Systems as of Q2 2026.

Based on Vanguard Portfolio Management's 13F filing for Q2 2026, filed 13 Aug 2026.