OSI Systems Inc (OSIS) Ownership

194.34 ↑1.02 (0.53%)
As of December 31, 1969, 7:00pm EST.

Institutional Ownership

BlackRock Inc is the biggest individual institutional holder of OSI Systems Inc (OSIS), owning a total of 2.7 million shares. Combined, the top 39 institutional holders of OSIS own 105.06% of the company with a total of 17.7 million shares.

In the latest ownership report on December 31st 2024, the top 39 institutional holders increased their combined ownership of OSIS by 1.6 million shares. 14 institutions bought 1,835,803 total additional shares and increased their ownership by an average of 16.81%. However 8 institutions sold 188,500 total shares and decreased their ownership by an average of 4.95%.

Overall this is a positive sign as the number of shares owned by the top 20 institutional holders of OSI Systems increased by a net total of 1,647,303 in the latest quarter.

Institution Ownership Chart

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Latest Institutional Ownership Changes

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
BlackRock Inc15.969%1.058%2,682,64028,0782024-12-31
Vanguard Group Inc12.620%-2.262%2,120,123-49,0742024-12-31
HHG PLC7.327%1.789%1,230,80521,6372024-12-31
FMR Inc5.047%31.582%847,907203,5112024-12-31
Dimensional Fund Advisors, Inc.4.466%-2.746%750,175-21,1852024-12-31
State Street Corp4.458%2.910%748,86921,1792024-12-31
Capital Research & Mgmt Co - Division 33.458%0.000%580,890580,8902024-12-31
Mawer Investment Management Ltd2.246%0.000%377,298377,2982024-12-31
Geode Capital Management, LLC2.229%-1.468%374,514-5,5782024-12-31
Clark Capital Management Group Inc2.159%19.698%362,71259,6902024-12-31
ClearBridge Advisors, LLC2.076%-5.765%348,821-21,3392024-12-31
UBS Asset Mgmt Americas Inc1.997%-6.427%335,511-23,0462024-12-31
Neuberger Berman Group LLC1.982%-1.004%332,903-3,3752024-12-31
Hood River Capital Management LLC1.939%-7.638%325,679-26,9312024-12-31
UBS Group AG1.831%128.559%307,600173,0182024-12-31
PRIMECAP Management Company1.772%1.090%297,7103,2102024-12-31
Systematic Financial Management LP1.644%4.472%276,16311,8212024-12-31
Brown Advisory Holdings Inc1.622%0.000%272,458272,4582024-12-31
Neumeier Investment Counsel LLC1.609%-12.316%270,342-37,9722024-12-31
Morgan Stanley - Brokerage Accounts1.503%7.806%252,52218,2852024-12-31
Boston Partners Global Investors, Inc1.416%34.718%237,88261,3042024-12-31
Charles Schwab Investment Management Inc1.274%1.626%214,0523,4242024-12-31

Top Institutions

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
BlackRock Inc15.969%1.058%2,682,64028,0782024-12-31
Vanguard Group Inc12.620%-2.262%2,120,123-49,0742024-12-31
HHG PLC7.327%1.789%1,230,80521,6372024-12-31
FMR Inc5.047%31.582%847,907203,5112024-12-31
Dimensional Fund Advisors, Inc.4.466%-2.746%750,175-21,1852024-12-31
State Street Corp4.458%2.910%748,86921,1792024-12-31
State Street Corporation4.123%2.229%702,91515,3262024-03-31
Capital Research & Mgmt Co - Division 33.458%0.000%580,890580,8902024-12-31
Envestnet Asset Management Inc2.674%7,525.270%449,281443,3892023-03-31
Credit Suisse First Boston (CSFB)2.306%-2.210%385,337-8,7082024-03-31
Mawer Investment Management Ltd2.246%0.000%377,298377,2982024-12-31
Geode Capital Management, LLC2.229%-1.468%374,514-5,5782024-12-31
Clark Capital Management Group Inc2.159%19.698%362,71259,6902024-12-31
ClearBridge Advisors, LLC2.076%-5.765%348,821-21,3392024-12-31
UBS Asset Mgmt Americas Inc1.997%-6.427%335,511-23,0462024-12-31
Neuberger Berman Group LLC1.982%-1.004%332,903-3,3752024-12-31
Hood River Capital Management LLC1.939%-7.638%325,679-26,9312024-12-31
UBS Group AG1.831%128.559%307,600173,0182024-12-31
PRIMECAP Management Company1.772%1.090%297,7103,2102024-12-31
Ophir Asset Management Pty Ltd1.702%26.111%285,93859,2022024-09-30
Systematic Financial Management LP1.644%4.472%276,16311,8212024-12-31
Brown Advisory Holdings Inc1.622%0.000%272,458272,4582024-12-31
Neumeier Investment Counsel LLC1.609%-12.316%270,342-37,9722024-12-31
Morgan Stanley - Brokerage Accounts1.503%7.806%252,52218,2852024-12-31
Boston Partners Global Investors, Inc1.416%34.718%237,88261,3042024-12-31
Charles Schwab Investment Management Inc1.274%1.626%214,0523,4242024-12-31
JPMorgan Chase & Co1.197%-8.146%204,027-18,0932023-12-31
Ameriprise Financial Inc1.207%-3.419%202,741-7,1762023-03-31
Cardinal Capital Management Llc1.211%-5.494%202,556-11,7752023-03-31
Amvescap Plc.1.120%8.827%187,22015,1862024-06-30
Thematics Asset Management1.113%10.979%187,00018,5002024-09-30
Robeco Institutional Asset Management BV1.049%-2.173%178,848-3,9722023-12-31
Macquarie Group Ltd1.058%-1.128%177,750-2,0282024-09-30
Marshall Wace Asset Management Ltd1.041%-17.475%177,476-37,5802024-03-31
NORGES BANK1.056%-9.613%176,613-18,7842022-12-31
Northern Trust Corp0.993%-0.396%169,332-6732024-06-30
Nuveen Asset Management, LLC0.906%10.575%153,86014,7142023-06-30
Bank of New York Mellon Corp0.857%-3.636%143,894-5,4292023-06-30
Prospect Capital Advisors, LLC0.804%14.899%135,42017,5602022-09-30

Mutual Fund Ownership

iShares Core S&P Small-Cap ETF is the biggest individual fund holder of OSI Systems Inc (OSIS), owning a total of 1 million shares. Combined, the top 40 mutual fund holders of OSIS own 73.37% of the company with a total of 12.3 million shares.

In the latest ownership report on February 28th 2025, the top 40 fund holders increased their combined ownership of OSIS by 16 thousand shares. 5 funds bought 5,593 total additional shares and increased their ownership by an average of 0.36%. However 4 funds sold 21,345 total shares and decreased their ownership by an average of 1.94%.

Overall this is a negative sign as the number of shares owned by the top 20 mutual funds holding OSI Systems decreased by a net total of -15,752 in the latest report.

Mutual Funds Chart

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Latest Mutual Fund Ownership Changes

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
iShares Core S&P Small-Cap ETF5.897%-0.022%990,562-2222025-02-28
Vanguard Total Stock Mkt Idx Inv2.993%0.071%502,7753552025-02-28
iShares Russell 2000 ETF2.422%-1.170%406,859-4,8182025-02-28
Vanguard Small Cap Index2.413%0.083%405,3533362025-02-28
Vanguard Information Technology ETF2.201%0.284%369,7161,0452025-02-28
Clark Navigator All Cap Core U.S. Equity1.754%1.215%294,5943,5372025-02-28
Vanguard Small Cap Value Index Inv1.589%-0.338%266,990-9052025-02-28
Vanguard Institutional Extnd Mkt Idx Tr1.410%0.135%236,7893202025-02-28
ClearBridge Small Cap Growth A1.377%-6.244%231,237-15,4002025-02-28

Top Mutual Funds

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
iShares Core S&P Small-Cap ETF5.897%-0.022%990,562-2222025-02-28
Janus Henderson US SMID Cap Growth MA4.372%2,295,010.000%734,436734,4042024-12-31
Janus Henderson US SMID Cap Growth4.372%-2.013%734,436-15,0872024-12-31
Janus Henderson Triton D4.348%-0.542%730,455-3,9812025-01-31
American Funds SMALLCAP World A3.458%0.000%580,890580,8902024-12-31
Vanguard Total Stock Mkt Idx Inv2.993%0.071%502,7753552025-02-28
Vanguard Instl Ttl Stck Mkt Idx Tr2.788%-0.117%473,606-5532023-03-31
Fidelity Small Cap Growth2.613%0.000%438,91002024-12-31
iShares Russell 2000 ETF2.422%-1.170%406,859-4,8182025-02-28
Vanguard Small Cap Index2.413%0.083%405,3533362025-02-28
Vanguard Information Technology ETF2.201%0.284%369,7161,0452025-02-28
UBS (Lux) Security Equity BH CHF2.132%0.338%356,2001,2002023-12-31
CS (Lux) Security Equity BH CHF2.089%0.338%356,2001,2002023-12-31
Janus Henderson US Small Cap Growth1.790%-0.197%300,689-5942024-12-31
Janus Henderson US Small Cap Growth MA1.790%1,073,790.000%300,689300,6612024-12-31
Janus Henderson Venture D1.790%0.000%300,68902025-01-31
Clark Navigator All Cap Core U.S. Equity1.754%1.215%294,5943,5372025-02-28
Vanguard Small Cap Value Index Inv1.589%-0.338%266,990-9052025-02-28
ClearBridge Small Cap Growth1.468%-1.831%246,637-4,6002025-01-31
Vanguard Institutional Extnd Mkt Idx Tr1.410%0.135%236,7893202025-02-28
ClearBridge Small Cap Growth A1.377%-6.244%231,237-15,4002025-02-28
Neumeier Poma Small Cap Value1.338%-15.744%224,695-41,9852024-12-31
Vanguard Extended Market Index Investor1.291%-0.018%216,826-402023-08-31
Hood River Small-Cap Growth Instl1.277%-4.870%214,447-10,9792024-12-31
PRIMECAP Odyssey Aggressive Growth1.139%1.533%190,8002,8802024-09-30
Thematics Safety I/A USD1.093%15.373%182,57524,3282024-10-31
Fidelity VIP Mid Cap Initial1.086%39.596%181,89351,5932024-11-30
Fidelity Small Cap Index0.988%0.424%165,0116972024-10-31
iShares S&P Small-Cap 600 Growth ETF0.931%0.000%155,61702024-11-30
Fidelity® Small Cap Index0.899%2.837%152,6834,2122023-10-31
iShares Russell 2000 Value ETF0.858%0.561%143,4918012023-06-21
SPDR® Portfolio S&P 600 Sm Cap ETF0.833%0.020%141,999292024-02-29
BlackRock Advantage Small Cap Core Instl0.841%-9.379%141,694-14,6652023-02-28
iShares Digital Security ETF USD Acc0.844%-0.285%141,256-4032023-06-30
iShares Russell 2000 Growth ETF0.821%-0.116%139,920-1632024-03-28
Vanguard Tax-Managed Small Cap Adm0.836%0.000%139,84002023-05-31
DFA US Targeted Value I0.819%0.000%139,70502024-04-30
Cardinal Capital Mgt Small Cap Value Eq0.832%-5.202%139,170-7,6372023-03-31
DFA US Small Cap I0.814%0.000%137,13502022-12-31
DFA US Micro Cap I0.766%0.000%130,06102023-10-31

Discussions

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micmic3/19/25 07:31am

$OSIS when is earnings

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delaina9/29/24 02:01pm

$OSIS HOLDING LONG AND STRONG!!!

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