OSI SYSTEMS INC

Ticker: OSIS CUSIP: 671044105 Class: EQTY

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's Holding History (CIK: 0001644956)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 191,326 Value ($000) $48,800 Avg Close $261.19 Range $231.66 - $292.34
Q2 2017
Shares 48,304 Value ($000) $3,630 Avg Close $75.70 Range $69.08 - $82.26
Q1 2017
Shares 117,916 Value ($000) $8,607 Avg Close $74.27 Range $69.45 - $81.55
Q4 2016
Shares 126,631 Value ($000) $9,639 Avg Close $72.10 Range $65.00 - $78.86
Q3 2016
Shares 104,222 Value ($000) $6,814 Avg Close $63.03 Range $55.76 - $69.49
Q2 2016
Shares 127,494 Value ($000) $7,411 Avg Close $55.08 Range $48.76 - $66.43
Q1 2016
Shares 126,129 Value ($000) $8,260 Avg Close $66.19 Range $48.19 - $88.33
Q4 2015
Shares 111,660 Value ($000) $9,900 Avg Close $87.50 Range $75.60 - $96.75
Q3 2015
Shares 151,595 Value ($000) $11,667 Avg Close $72.21 Range $66.94 - $79.28