Primecap Management CO Osi Systems Inc Transaction History

Primecap Management CO

$126 Billion
Q3 2025

A detailed history of Primecap Management CO transactions in Osi Systems Inc stock. As of the latest transaction made, Primecap Management CO holds 306,630 shares of OSIS stock, worth $83.9 Million. This represents 0.06% of its overall portfolio holdings.

Number of Shares

306,630

Previous 321,420 4.6%

Holding current value

$83.9 Million

Previous $72.3 Million 5.74%

% of portfolio

0.06%

Previous 0.06%

32 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 10, 2025	SELL	$208.12 - $249.24 $3.08 Million - $3.69 Million	-14,790 Reduced 4.6%	306,630 $76.4 Million
Q2 2025 Aug 11, 2025	SELL	$174.22 - $239.05 $2.25 Million - $3.09 Million	-12,910 Reduced 3.86%	321,420 $72.3 Million
Q1 2025 May 09, 2025	BUY	$153.35 - $219.6 $5.62 Million - $8.04 Million	36,620 Added 12.3%	334,330 $65 Million
Q4 2024 Feb 10, 2025	BUY	$131.41 - $187.75 $421,826 - $602,677	3,210 Added 1.09%	297,710 $49.8 Million
Q3 2024 Nov 08, 2024	BUY	$134.78 - $154.28 $1.87 Million - $2.14 Million	13,880 Added 4.95%	294,500 $44.7 Million

Q2 2024 Aug 09, 2024	SELL	$131.07 - $144.52 $1.64 Million - $1.8 Million	-12,480 Reduced 4.26%	280,620 $38.6 Million
Q1 2024 May 13, 2024	BUY	$121.77 - $142.82 $961,983 - $1.13 Million	7,900 Added 2.77%	293,100 $41.9 Million
Q4 2023 Feb 09, 2024	BUY	$104.27 - $131.38 $647,516 - $815,869	6,210 Added 2.23%	285,200 $36.8 Million
Q3 2023 Nov 13, 2023	SELL	$113.01 - $136.69 $1.28 Million - $1.55 Million	-11,360 Reduced 3.91%	278,990 $32.9 Million
Q2 2023 Aug 11, 2023	SELL	$99.94 - $126.25 $398,760 - $503,737	-3,990 Reduced 1.36%	290,350 $34.2 Million
Q1 2023 May 15, 2023	BUY	$78.99 - $102.36 $81,359 - $105,430	1,030 Added 0.35%	294,340 $30.1 Million
Q4 2022 Feb 13, 2023	SELL	$70.83 - $90.52 $764,255 - $976,710	-10,790 Reduced 3.55%	293,310 $23.3 Million
Q3 2022 Nov 14, 2022	SELL	$72.06 - $102.15 $626,922 - $888,705	-8,700 Reduced 2.78%	304,100 $21.9 Million
Q2 2022 Aug 11, 2022	SELL	$76.88 - $86.73 $857,980 - $967,906	-11,160 Reduced 3.44%	312,800 $26.7 Million
Q1 2022 May 11, 2022	SELL	$78.24 - $94.4 $991,300 - $1.2 Million	-12,670 Reduced 3.76%	323,960 $27.6 Million
Q4 2021 Feb 11, 2022	SELL	$88.46 - $97.45 $2.94 Million - $3.24 Million	-33,270 Reduced 8.99%	336,630 $31.4 Million
Q3 2021 Nov 12, 2021	SELL	$91.27 - $101.33 $917,263 - $1.02 Million	-10,050 Reduced 2.65%	369,900 $35.1 Million
Q2 2021 Aug 10, 2021	SELL	$92.22 - $101.96 $267,438 - $295,684	-2,900 Reduced 0.76%	379,950 $38.6 Million
Q1 2021 May 14, 2021	BUY	$90.0 - $100.02 $3.01 Million - $3.35 Million	33,450 Added 9.57%	382,850 $36.8 Million
Q4 2020 Feb 08, 2021	SELL	$77.16 - $93.54 $378,084 - $458,346	-4,900 Reduced 1.38%	349,400 $32.6 Million
Q3 2020 Nov 13, 2020	BUY	$67.1 - $80.62 $5.65 Million - $6.79 Million	84,200 Added 31.17%	354,300 $27.5 Million
Q2 2020 Aug 13, 2020	BUY	$63.74 - $84.37 $1.81 Million - $2.4 Million	28,400 Added 11.75%	270,100 $20.2 Million
Q1 2020 May 14, 2020	BUY	$54.26 - $102.42 $303,856 - $573,552	5,600 Added 2.37%	241,700 $16.7 Million
Q3 2019 Nov 13, 2019	BUY	$100.83 - $117.03 $50,415 - $58,515	500 Added 0.21%	236,100 $24 Million
Q2 2019 Aug 14, 2019	SELL	$85.78 - $113.85 $1.98 Million - $2.63 Million	-23,100 Reduced 8.93%	235,600 $26.5 Million
Q1 2019 May 14, 2019	SELL	$70.6 - $89.79 $1.06 Million - $1.35 Million	-15,000 Reduced 5.48%	258,700 $22.7 Million
Q4 2018 Feb 12, 2019	SELL	$67.56 - $76.01 $135,120 - $152,020	-2,000 Reduced 0.73%	273,700 $20.1 Million
Q3 2018 Nov 13, 2018	SELL	$74.42 - $80.65 $1.95 Million - $2.11 Million	-26,200 Reduced 8.68%	275,700 $21 Million
Q2 2018 Aug 13, 2018	SELL	$62.0 - $79.87 $457,622 - $589,520	-7,381 Reduced 2.39%	301,900 $23.3 Million
Q1 2018 May 14, 2018	SELL	$54.6 - $71.67 $4.49 Million - $5.89 Million	-82,219 Reduced 21.0%	309,281 $20.2 Million
Q4 2017 Feb 13, 2018	SELL	$59.52 - $95.76 $1.95 Million - $3.14 Million	-32,800 Reduced 7.73%	391,500 $25.2 Million
Q3 2017 Nov 13, 2017	BUY	$78.37 - $91.37 $33.3 Million - $38.8 Million	424,300	424,300 $38.8 Million

Others Institutions Holding OSIS

# of Institutions

374

Shares Held

18.1M

Call Options Held

70.3K

Put Options Held

35.4K

View Full List

About OSI SYSTEMS INC

Ticker OSIS
Exchange NASDAQ
Sector Technology
Industry Electronic Components
Shares Outstandng 16,854,800
Market Cap $4.61B
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...

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Primecap Management CO Osi Systems Inc Transaction History