Rossby Financial
OSIS icon

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
Q3 		– Sell
-4
Closed -$875 – 2531
2026
Q2 		$875 Sell
4
-1
-20% -$245 ﹤0.01% 1929
2026
Q1 		$1.32K Hold
5
– – ﹤0.01% 1927
2025
Q4 		$1.28K 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

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SG Capital Management
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Bank of New York Mellon
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Swedbank
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Principal Financial Group
Principal Financial Group Des Moines, Iowa $195B AUM 21.17% 1-Year Est. Return
Robeco Schweiz
Robeco Schweiz Zurich, Switzerland $5.55B AUM 53.94% 1-Year Est. Return
Asset Management One
Asset Management One Tokyo, Japan $40B AUM 30.45% 1-Year Est. Return

Rossby Financial's OSIS Position: Q3 2026 in Review

Rossby Financial sold out of OSI Systems (OSIS) in Q3 2026, closing a stake of 4 shares — an estimated $875 sold.

Rossby Financial first reported a position in OSIS in Q1 2025 and held it in 6 quarters. The position peaked at $1.32K in Q1 2026. 157 funds tracked by Wall St. Rank hold OSIS as of Q3 2026.

  • Rossby Financial reported no remaining OSI Systems position as of Q3 2026 after selling out during the quarter.
  • Rossby Financial sold 4 OSI Systems shares in Q3 2026, an estimated $875.
  • Rossby Financial first reported a position in OSI Systems in Q1 2025 and held it in 6 quarters.
  • Rossby Financial's OSI Systems position peaked at $1.32K in Q1 2026.
  • 157 funds tracked by Wall St. Rank held OSI Systems as of Q3 2026.

Based on Rossby Financial's 13F filing for Q3 2026, filed 5 Nov 2026.