Wolverine Trading
OSIS icon

Wolverine Trading’s OSI Systems OSIS Stock Holding History

Wolverine Trading’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
2025
Q3 		– Sell
-1,600
Closed -$358K – 6009
2025
Q2 		$358K Sell
1,600
-3,700
-70% -$790K ﹤0.01% 3282
2025
Q1 		$1.02M Buy
+5,300
New +$1.01M ﹤0.01% 2211
2023
Q4 		– Sell
-3,300
Closed -$390K – 5003
2023
Q3 		$390K Buy
+3,300
New +$398K ﹤0.01% 3016
2020
Q4 		– Sell
-7,700
Closed -$598K – 5284
2020
Q3 		$598K Sell
7,700
-300
-4% -$22.4K ﹤0.01% 2615
2020
Q2 		$591K Buy
+8,000
New +$584K ﹤0.01% 2559
2019
Q2 		– Sell
-35,000
Closed -$3.07M – 4949
2019
Q1 		$3.07M Buy
35,000
+25,000
+250% +$2.09M 0.01% 1193
2018
Q4 		$733K Buy
10,000
+2,400
+32% +$173K ﹤0.01% 2269
2018
Q3 		$580K Sell
7,600
-16,000
-68% -$1.24M ﹤0.01% 2935
2018
Q2 		$1.54M Hold
23,600
– – ﹤0.01% 1821
2018
Q1 		$1.54M Sell
23,600
-25,400
-52% -$1.65M ﹤0.01% 1821
2017
Q4 		$3.15M Buy
49,000
+28,100
+134% +$2.36M 0.01% 1174
2017
Q3 		$1.91M Buy
20,900
+4,200
+25% +$341K 0.01% 1356
2017
Q2 		$1.25M Sell
16,700
-300
-2% -$22.7K 0.01% 1560
2017
Q1 		$1.24M Buy
17,000
+14,000
+467% +$1.04M 0.01% 1561
2016
Q4 		$228K Sell
3,000
-5,700
-66% -$411K ﹤0.01% 3589
2016
Q3 		$561K Sell
8,700
-2,200
-20% -$139K ﹤0.01% 2453
2016
Q2 		$608K Buy
+10,900
New +$600K ﹤0.01% 2041

Other funds holding OSIS

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
Mawer Investment Management
Mawer Investment Management Calgary, Alberta, Canada $15.4B AUM 10.9% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
UBS AM
UBS AM Chicago, Illinois $481B AUM 26.39% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Wolverine Trading's OSIS Position: Q3 2025 in Review

Wolverine Trading increased its OSI Systems (OSIS) stake by 16% in Q3 2025, buying an estimated $388K and bringing the position to 12,168 shares worth $2.9M. The position accounts for ﹤0.01% of the portfolio, ranked #1842.

Wolverine Trading first reported a position in OSIS in Q2 2016 and has held it in 12 quarters since. 349 funds tracked by Wall St. Rank hold OSIS as of Q3 2025.

  • Wolverine Trading held 12,168 shares of OSI Systems worth $2.9M as of Q3 2025.
  • Wolverine Trading bought 1,698 OSI Systems shares in Q3 2025, an estimated $388K.
  • OSI Systems made up ﹤0.01% of Wolverine Trading's portfolio in Q3 2025, its #1842 holding.
  • Wolverine Trading first reported a position in OSI Systems in Q2 2016 and has held it in 12 quarters since.
  • 349 funds tracked by Wall St. Rank held OSI Systems as of Q3 2025.

Based on Wolverine Trading's 13F filing for Q3 2025, filed 14 Nov 2025.