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Shannon River Fund Management’s OSI Systems OSIS Stock Holding History

Shannon River Fund 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 		– Sell
-19,274
Closed -$5.12M – 44
2026
Q1 		$5.12M Buy
+19,274
New +$5.33M 0.98% 25
2017
Q1 		– Sell
-117,220
Closed -$8.92M – 34
2016
Q4 		$8.92M Buy
+117,220
New +$8.45M 2.78% 16

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

Shannon River Fund Management's OSIS Position: Q2 2026 in Review

Shannon River Fund Management sold out of OSI Systems (OSIS) in Q2 2026, closing a stake of 19,274 shares — an estimated $5.12M sold.

Shannon River Fund Management first reported a position in OSIS in Q4 2016 and held it in 2 quarters. The position peaked at $8.92M in Q4 2016. 361 funds tracked by Wall St. Rank hold OSIS as of Q2 2026.

  • Shannon River Fund Management reported no remaining OSI Systems position as of Q2 2026 after selling out during the quarter.
  • Shannon River Fund Management sold 19,274 OSI Systems shares in Q2 2026, an estimated $5.12M.
  • Shannon River Fund Management first reported a position in OSI Systems in Q4 2016 and held it in 2 quarters.
  • Shannon River Fund Management's OSI Systems position peaked at $8.92M in Q4 2016.
  • 361 funds tracked by Wall St. Rank held OSI Systems as of Q2 2026.

Based on Shannon River Fund Management's 13F filing for Q2 2026, filed 13 Aug 2026.