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Driehaus Capital Management’s OSI Systems OSIS Stock Holding History

Driehaus Capital 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
-117,963
Closed -$31.3M – 412
2026
Q1 		$31.3M Sell
117,963
-117,805
-50% -$32.6M 0.23% 143
2025
Q4 		$60.1M Buy
235,768
+88,714
+60% +$23.2M 0.41% 80
2025
Q3 		$36.7M Buy
147,054
+44,341
+43% +$10.1M 0.26% 129
2025
Q2 		$23.1M Buy
+102,713
New +$21.9M 0.18% 162
2013
Q4 		– Sell
-22,273
Closed -$1.66M – 510
2013
Q3 		$1.66M Sell
22,273
-11,860
-35% -$842K 0.06% 298
2013
Q2 		$2.2M Buy
+34,133
New +$1.99M 0.1% 256

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

Driehaus Capital Management's OSIS Position: Q2 2026 in Review

Driehaus Capital Management sold out of OSI Systems (OSIS) in Q2 2026, closing a stake of 117,963 shares — an estimated $31.3M sold.

Driehaus Capital Management first reported a position in OSIS in Q2 2013 and held it in 6 quarters. The position peaked at $60.1M in Q4 2025. 362 funds tracked by Wall St. Rank hold OSIS as of Q2 2026.

  • Driehaus Capital Management reported no remaining OSI Systems position as of Q2 2026 after selling out during the quarter.
  • Driehaus Capital Management sold 117,963 OSI Systems shares in Q2 2026, an estimated $31.3M.
  • Driehaus Capital Management first reported a position in OSI Systems in Q2 2013 and held it in 6 quarters.
  • Driehaus Capital Management's OSI Systems position peaked at $60.1M in Q4 2025.
  • 362 funds tracked by Wall St. Rank held OSI Systems as of Q2 2026.

Based on Driehaus Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.