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Rossby Financial’s OSI Systems OSIS Stock Holding History

Rossby Financial’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 		$875 Sell
4
-1
-20% -$245 ﹤0.01% 1929
2026
Q1 		$1.32K Hold
5
– – ﹤0.01% 1927
2025
Q4 		$1.27K Hold
5
– – ﹤0.01% 1484
2025
Q3 		$1.23K Hold
5
– – ﹤0.01% 1245
2025
Q2 		$1.12K Hold
5
– – ﹤0.01% 1119
2025
Q1 		$1.01K Buy
+5
New +$952 ﹤0.01% 997

Other funds holding OSIS

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
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

Rossby Financial's OSIS Position: Q2 2026 in Review

Rossby Financial reduced its OSI Systems (OSIS) stake by 20% in Q2 2026, selling an estimated $245 and leaving 4 shares worth $875. The position accounts for ﹤0.01% of the portfolio, ranked #1929.

Rossby Financial first reported a position in OSIS in Q1 2025 and has held it in 6 quarters since. The position peaked at $1.32K in Q1 2026. 364 funds tracked by Wall St. Rank hold OSIS as of Q2 2026.

  • Rossby Financial held 4 shares of OSI Systems worth $875 as of Q2 2026.
  • Rossby Financial sold 1 OSI Systems share in Q2 2026, an estimated $245.
  • OSI Systems made up ﹤0.01% of Rossby Financial's portfolio in Q2 2026, its #1929 holding.
  • Rossby Financial first reported a position in OSI Systems in Q1 2025 and has held it in 6 quarters since.
  • Rossby Financial's OSI Systems position peaked at $1.32K in Q1 2026.
  • 364 funds tracked by Wall St. Rank held OSI Systems as of Q2 2026.

Based on Rossby Financial's 13F filing for Q2 2026, filed 4 Aug 2026.