Ken Griffin Osi Systems Inc Transaction History

Citadel Advisors LLC

$550 Billion
Q2 2025

A detailed history of Ken Griffin (Citadel Advisors LLC) transactions in Osi Systems Inc stock. As of the latest transaction made, Citadel Advisors LLC holds 19,700 shares of OSIS stock, worth $4.59 Million. This represents 0.0% of its overall portfolio holdings.

Number of Shares

19,700

Previous 29,300 32.76%

Holding current value

$4.59 Million

Previous $5.69 Million 22.22%

% of portfolio

0.0%

Previous 0.0%

30 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Aug 14, 2025	BUY	$174.22 - $239.05 $10.5 Million - $14.5 Million	60,489 New	60,489 $13.6 Million
Q4 2024 Feb 14, 2025	SELL	$131.41 - $187.75 $5.08 Million - $7.25 Million	-38,639 Reduced 46.72%	44,069 $7.38 Million
Q3 2024 Nov 14, 2024	BUY	$134.78 - $154.28 $9.7 Million - $11.1 Million	71,960 Added 669.52%	82,708 $12.6 Million
Q2 2024 Aug 14, 2024	SELL	$131.07 - $144.52 $5.25 Million - $5.78 Million	-40,024 Reduced 78.83%	10,748 $1.48 Million
Q1 2024 May 15, 2024	SELL	$121.77 - $142.82 $1 Million - $1.17 Million	-8,218 Reduced 13.93%	50,772 $7.25 Million
Q4 2023 Feb 14, 2024	SELL	$104.27 - $131.38 $4.03 Million - $5.08 Million	-38,649 Reduced 39.58%	58,990 $7.61 Million
Q3 2023 Nov 14, 2023	BUY	$113.01 - $136.69 $889,501 - $1.08 Million	7,871 Added 8.77%	97,639 $11.5 Million
Q2 2023 Aug 14, 2023	SELL	$99.94 - $126.25 $3.3 Million - $4.17 Million	-33,040 Reduced 26.9%	89,768 $10.6 Million
Q1 2023 May 15, 2023	BUY	$78.99 - $102.36 $4.52 Million - $5.85 Million	57,186 Added 87.14%	122,808 $12.6 Million
Q4 2022 Feb 14, 2023	SELL	$70.83 - $90.52 $1.96 Million - $2.5 Million	-27,622 Reduced 29.62%	65,622 $5.22 Million
Q3 2022 Nov 14, 2022	BUY	$72.06 - $102.15 $753,171 - $1.07 Million	10,452 Added 12.62%	93,244 $6.72 Million
Q2 2022 Aug 15, 2022	BUY	$76.88 - $86.73 $3.95 Million - $4.46 Million	51,392 Added 163.67%	82,792 $7.07 Million
Q1 2022 May 16, 2022	BUY	$78.24 - $94.4 $343,395 - $414,321	4,389 Added 16.25%	31,400 $2.67 Million
Q4 2021 Feb 14, 2022	BUY	$88.46 - $97.45 $1.46 Million - $1.61 Million	16,508 Added 157.17%	27,011 $2.52 Million
Q3 2021 Nov 15, 2021	BUY	$91.27 - $101.33 $458,449 - $508,980	5,023 Added 91.66%	10,503 $996,000
Q2 2021 Aug 16, 2021	SELL	$92.22 - $101.96 $5.82 Million - $6.43 Million	-63,107 Reduced 92.01%	5,480 $556,000
Q1 2021 May 17, 2021	BUY	$90.0 - $100.02 $2.55 Million - $2.83 Million	28,297 Added 70.23%	68,587 $6.59 Million
Q4 2020 Feb 16, 2021	SELL	$77.16 - $93.54 $4.86 Million - $5.9 Million	-63,045 Reduced 61.01%	40,290 $3.76 Million
Q3 2020 Nov 16, 2020	BUY	$67.1 - $80.62 $4.86 Million - $5.84 Million	72,393 Added 233.96%	103,335 $8.02 Million
Q2 2020 Aug 14, 2020	BUY	$63.74 - $84.37 $1.21 Million - $1.6 Million	19,001 Added 159.12%	30,942 $2.31 Million
Q1 2020 May 15, 2020	SELL	$54.26 - $102.42 $2.02 Million - $3.8 Million	-37,144 Reduced 75.67%	11,941 $823,000
Q4 2019 Feb 14, 2020	SELL	$95.06 - $102.08 $9.05 Million - $9.72 Million	-95,174 Reduced 65.97%	49,085 $4.95 Million
Q3 2019 Nov 14, 2019	BUY	$100.83 - $117.03 $13.9 Million - $16.1 Million	137,949 Added 2186.2%	144,259 $14.7 Million
Q1 2019 May 15, 2019	SELL	$70.6 - $89.79 $1.92 Million - $2.44 Million	-27,152 Reduced 81.14%	6,310 $0
Q4 2018 Feb 14, 2019	BUY	$67.56 - $76.01 $497,511 - $559,737	7,364 Added 28.22%	33,462 $2.45 Million
Q3 2018 Nov 13, 2018	SELL	$74.42 - $80.65 $108,132 - $117,184	-1,453 Reduced 5.27%	26,098 $0
Q2 2018 Aug 10, 2018	SELL	$62.0 - $79.87 $1.62 Million - $2.09 Million	-26,179 Reduced 48.72%	27,551 $0
Q1 2018 May 11, 2018	SELL	$54.6 - $71.67 $917,498 - $1.2 Million	-16,804 Reduced 23.82%	53,730 $3.51 Million
Q4 2017 Feb 09, 2018	BUY	$59.52 - $95.76 $3.74 Million - $6.02 Million	62,838 Added 816.5%	70,534 $4.54 Million
Q3 2017 Nov 09, 2017	BUY	$78.37 - $91.37 $603,135 - $703,183	7,696	7,696 $704,000

Others Institutions Holding OSIS

# of Institutions

366

Shares Held

18M

Call Options Held

245K

Put Options Held

58.7K

View Full List

About OSI SYSTEMS INC

Ticker OSIS
Exchange NASDAQ
Sector Technology
Industry Electronic Components
Shares Outstandng 16,854,800
Market Cap $3.93B
Description
OSI Systems, Inc. designs and manufactures electronic systems and components worldwide. It operates in three segments: Security, Healthcare, and Optoelectronics and Manufacturing. The Security segment offers baggage and parcel inspection, cargo and vehicle inspection, hold baggage and people screening, radiation detection, and explosive and narc...

More about OSIS

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