What does CUSIP 671044105 represent in this 13F holders report?

CUSIP 671044105 is the security identifier for OSIS - OSI SYSTEMS INC - Common Stock used to aggregate holder disclosures.

How many institutions held OSIS - OSI SYSTEMS INC - Common Stock in Q1 2014?

160 institutional investors reported OSIS - OSI SYSTEMS INC - Common Stock for Q1 2014. Use the holders table for investor-level position and value details.

OSI SYSTEMS INC - Common Stock (OSIS)

CUSIP: 671044105

Q1 2014 13F Holders as of 31 Mar 2014

Type / Class: Equity / Common Stock
Shares outstanding: 16,432,213
Total 13F shares: 18,165,869
Share change: +919,641
Total reported value: $1,087,191,743
Put/Call ratio: 17%
Price per share: $59.86
Number of holders: 160
Value change: +$62,573,968
Number of buys: 73
Number of sells: 93

Quarterly Holders Quick Answers

What is CUSIP 671044105?
CUSIP 671044105 identifies OSIS - OSI SYSTEMS INC - Common Stock in SEC institutional holdings data.

Need full ownership history?
Open the full security ownership history page.

Next holder-history checks

These links keep the next click tied to holder verification, nearby quarters, or outside-13F ownership context.

Back to full security ownership history for the broader multi-quarter picture.
Latest 13F filings for newly reported positions across managers.
Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
SEC investors directory for manager drilldown.

Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q2 2014
Previous quarter: Q4 2013

Recent filing periods for CUSIP 671044105:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of OSIS - OSI SYSTEMS INC - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
WELLS FARGO & COMPANY/MN	13F	Company	10%	1,637,714	$86,979,000	—	31 Dec 2013	13F
VANGUARD GROUP INC	13F	Company	7.5%	1,240,547	$65,885,000	—	31 Dec 2013	13F
BlackRock Fund Advisors	13F	Company	6.4%	1,056,401	$56,105,000	—	31 Dec 2013	13F
BlackRock Institutional Trust Company, N.A.	13F	Company	5.2%	849,005	$45,091,000	—	31 Dec 2013	13F
TREMBLANT CAPITAL GROUP	13F	Company	5%	820,832	$43,594,000	—	31 Dec 2013	13F
FRED ALGER MANAGEMENT, LLC	13F	Company	3.8%	623,931	$33,137,000	—	31 Dec 2013	13F
WHV Investments, Inc.	13F	Company	3.4%	555,075	$29,480,000	—	31 Dec 2013	13F
SEGALL BRYANT & HAMILL, LLC	13F	Company	3.2%	521,501	$27,697,000	—	31 Dec 2013	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	2.8%	462,056	$24,539,000	—	31 Dec 2013	13F
Cortina Asset Management, LLC	13F	Company	2.7%	445,573	$23,664,000	—	31 Dec 2013	13F
BLACKROCK ADVISORS LLC	13F	Company	2.4%	392,905	$20,867,000	—	31 Dec 2013	13F
STATE STREET CORP	13F	Company	2.3%	381,518	$20,260,000	—	31 Dec 2013	13F
Clearbridge Investments, LLC	13F	Company	2.2%	366,750	$19,478,000	—	31 Dec 2013	13F
Epoch Investment Partners, Inc.	13F	Company	1.9%	314,820	$16,720,000	—	31 Dec 2013	13F
NORTHERN TRUST CORP	13F	Company	1.8%	294,609	$15,647,000	—	31 Dec 2013	13F
PNC FINANCIAL SERVICES GROUP, INC.	13F	Company	1.8%	292,056	$15,511,000	—	31 Dec 2013	13F
Ionic Capital Management LLC	13F	Company	1.8%	288,833	$15,340,000	—	31 Dec 2013	13F
KENNEDY CAPITAL MANAGEMENT LLC	13F	Company	1.5%	254,682	$13,526,000	—	31 Dec 2013	13F
D. E. Shaw & Co., Inc.	13F	Company	1.5%	248,823	$13,215,000	—	31 Dec 2013	13F
SCHRODER INVESTMENT MANAGEMENT GROUP	13F	Company	1.4%	230,600	$12,247,166	—	31 Dec 2013	13F
CREDIT SUISSE AG/	13F	Company	1.4%	226,456	$12,026,000	—	31 Dec 2013	13F
Bank of New York Mellon Corp	13F	Company	1.2%	191,947	$10,195,000	—	31 Dec 2013	13F
BLAIR WILLIAM & CO/IL	13F	Company	1.2%	191,285	$10,159,000	—	31 Dec 2013	13F
WHITEBOX ADVISORS LLC	13F	Company	1.1%	183,571	$9,749,000	—	31 Dec 2013	13F
NORGES BANK	13F	Company	1.1%	180,529	$9,587,000	—	31 Dec 2013	13F
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	13F	Company	1%	166,993	$8,869,000	—	31 Dec 2013	13F
SENTINEL ASSET MANAGEMENT, INC.	13F	Company	1%	164,900	$8,758,000	—	31 Dec 2013	13F
Paloma Partners Management Co	13F	Company	0.97%	160,000	$8,498,000	—	31 Dec 2013	13F
KING LUTHER CAPITAL MANAGEMENT CORP	13F	Company	0.95%	156,675	$8,321,000	—	31 Dec 2013	13F
Neuberger Berman Group LLC	13F	Company	0.91%	149,402	$7,935,000	—	31 Dec 2013	13F
OMT Capital Management LLC	13F	Company	0.9%	148,320	$7,878,000	—	31 Dec 2013	13F
WADDELL & REED FINANCIAL INC	13F	Company	0.8%	131,390	$6,978,000	—	31 Dec 2013	13F
SG Americas Securities, LLC	13F	Company	0.78%	127,931	$6,794,000	—	31 Dec 2013	13F
ZWJ INVESTMENT COUNSEL INC	13F	Company	0.76%	125,075	$6,642,000	—	31 Dec 2013	13F
HIGHBRIDGE CAPITAL MANAGEMENT LLC	13F	Company	0.74%	121,879	$6,473,000	—	31 Dec 2013	13F
MORGAN STANLEY	13F	Company	0.7%	115,262	$6,123,000	—	31 Dec 2013	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	0.7%	115,095	$6,113,000	—	31 Dec 2013	13F
BlackRock Group LTD	13F	Company	0.69%	113,320	$6,018,000	—	31 Dec 2013	13F
BARCLAYS PLC	13F	Company	0.67%	110,703	$5,869,000	—	31 Dec 2013	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.67%	109,467	$5,815,000	—	31 Dec 2013	13F
DEUTSCHE BANK AG\	13F	Company	0.65%	106,693	$5,666,000	—	31 Dec 2013	13F
Granahan Investment Management, LLC	13F	Company	0.65%	106,480	$5,655,000	—	31 Dec 2013	13F
Fisher Asset Management, LLC	13F	Company	0.57%	94,060	$4,996,000	—	31 Dec 2013	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.56%	91,788	$4,874,000	—	31 Dec 2013	13F
BlackRock Investment Management, LLC	13F	Company	0.54%	89,321	$4,744,000	—	31 Dec 2013	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.52%	84,992	$4,514,000	—	31 Dec 2013	13F
COASTLAND CAPITAL LLC	13F	Company	0.5%	82,571	$4,386,000	—	31 Dec 2013	13F
Engaged Capital LLC	13F	Company	0.5%	81,818	$4,345,000	—	31 Dec 2013	13F
DAVIDSON KEMPNER CAPITAL MANAGEMENT LLC	13F	Company	0.45%	73,734	$3,914,000	—	31 Dec 2013	13F
WASHINGTON CAPITAL MANAGEMENT, INC	13F	Company	0.41%	67,845	$3,603,000	—	31 Dec 2013	13F

Institutional Holders of OSI SYSTEMS INC - Common Stock (OSIS) as of Q1 2014

As of 31 Mar 2014, OSI SYSTEMS INC - Common Stock (OSIS) was held by 160 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 18,165,869 shares. The largest 10 holders included WELLS FARGO & COMPANY/MN, TREMBLANT CAPITAL GROUP, VANGUARD GROUP INC, BlackRock Fund Advisors, JANUS CAPITAL MANAGEMENT LLC, BlackRock Institutional Trust Company, N.A., Clearbridge Investments, LLC, FRED ALGER MANAGEMENT INC, DIMENSIONAL FUND ADVISORS LP, and Ionic Capital Management LLC. This page lists 160 institutional shareholders reporting positions in this security for the Q1 2014 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q1 2014 vs Q4 2013 Across Filers

Q4 2013 holders

165

Q1 2014 holders

160

Holder diff

-5

Investor	Q4 2013 Shares	Q1 2014 Shares	Share Diff	Share Chg %	Q4 2013 Value $	Q1 2014 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.