OSI SYSTEMS INC

Ticker: OSIS CUSIP: 671044105 Class: EQTY

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q3 2025
Shares 511 Value ($000) $127 Avg Close $228.27 Range $204.00 - $249.79
Q2 2025
Shares 3,354 Value ($000) $754 Avg Close $213.44 Range $164.08 - $241.64
Q1 2020
Shares 689 Value ($000) $47 Avg Close $85.46 Range $49.96 - $102.61
Q3 2019
Shares 7,068 Value ($000) $718 Avg Close $108.01 Range $93.05 - $117.21
Q1 2019
Shares 6,148 Value ($000) $539 Avg Close $83.70 Range $70.22 - $91.19
Q4 2018
Shares 10,146 Value ($000) $744 Avg Close $72.14 Range $67.15 - $76.91
Q1 2018
Shares 27,183 Value ($000) $1,774 Avg Close $64.89 Range $50.50 - $73.28
Q4 2017
Shares 28,826 Value ($000) $1,856 Avg Close $84.03 Range $53.80 - $96.64
Q2 2016
Shares 43,833 Value ($000) $2,548 Avg Close $55.08 Range $48.76 - $66.43
Q1 2016
Shares 55,480 Value ($000) $3,633 Avg Close $66.19 Range $48.19 - $88.33
Q4 2015
Shares 213 Value ($000) $19 Avg Close $87.50 Range $75.60 - $96.75
Q3 2015
Shares 2,856 Value ($000) $220 Avg Close $72.21 Range $66.94 - $79.28
Q2 2015
Shares 6,856 Value ($000) $485 Avg Close $72.33 Range $66.03 - $76.70
Q1 2015
Shares 5,756 Value ($000) $427 Avg Close $71.68 Range $66.90 - $75.00
Q4 2014
Shares 3,342 Value ($000) $237 Avg Close $68.20 Range $58.54 - $74.79
Q3 2014
Shares 11,242 Value ($000) $714 Avg Close $66.39 Range $62.10 - $70.27
Q2 2014
Shares 9,677 Value ($000) $646 Avg Close $59.67 Range $52.68 - $67.44
Q1 2014
Shares 8,930 Value ($000) $535 Avg Close $59.85 Range $51.85 - $66.78