OSIS

OSI SYSTEMS INC
USCUSIP 671044105
Institutional Owners
119
+21 QoQ
13F Value Held
$1.2B
Insider Net · 180d
$0
0↑ 0↓
Recent Filings
0
Smart-money sentimentMixed
BearishBullish
13F funds (latest Q)60 adding · 35 trimming
Insider net (180d)+$0
Price history not yet available for OSIS.

Top institutional holders

119 13F filers
#FundPosition valueSharesLast moveAs of
1VANGUARD PORTFOLIO MANAGEMENT LLC
$331.8M
1.25MNewQ1 2026
2VANGUARD CAPITAL MANAGEMENT LLC
$185.7M
699.3KNewQ1 2026
3STATE STREET CORP
$175.8M
662.1KAddedQ1 2026
4Hood River Capital Management LLC
$98.8M
372.1KReducedQ1 2026
5Clark Capital Management Group, Inc.
$71.8M
270.4KAddedQ1 2026
6Channing Capital Management, LLC
$70.9M
266.9KNewQ1 2026
7SYSTEMATIC FINANCIAL MANAGEMENT LP
$57.0M
214.6KReducedQ1 2026
8WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
$45.6M
171.7KReducedQ1 2026
9VANGUARD FIDUCIARY TRUST CO
$28.6M
107.7KNewQ1 2026
10OBERWEIS ASSET MANAGEMENT INC/
$28.3M
106.6KAddedQ1 2026
11MIROVA
$17.3M
65.0KNewQ1 2026
12PUBLIC SECTOR PENSION INVESTMENT BOARD
$14.7M
55.4KAddedQ1 2026
13SEGALL BRYANT & HAMILL, LLC
$12.7M
47.9KNewQ1 2026
14Portman Square Capital LLP
$10.1M
37.9KAddedQ1 2026
15Robeco Schweiz AG
$9.7M
36.5KAddedQ1 2026
16First Eagle Investment Management, LLC
$6.5M
24.6KNewQ1 2026
17Advisors Asset Management, Inc.
$6.3M
23.9KAddedQ1 2026
18Point72 Asset Management, L.P.
$5.4M
21.6KReducedQ3 2025
19ARGENT CAPITAL MANAGEMENT LLC
$5.3M
19.9KNewQ1 2026
20Universal- Beteiligungs- und Servicegesellschaft mbH
$4.0M
14.9KReducedQ1 2026
21Moran Wealth Management, LLC
$3.9M
14.7KAddedQ1 2026
22MML INVESTORS SERVICES, LLC
$3.4M
12.7KReducedQ1 2026
23Waverly Advisors, LLC
$3.3M
12.3KAddedQ1 2026
24WEDGE CAPITAL MANAGEMENT L L P/NC
$3.2M
12.1KAddedQ1 2026
25NorthCrest Asset Manangement, LLC
$2.5M
9.1KReducedQ1 2026

Fund activity — latest quarter

Opened (NEW)
26
funds
Added
34
funds
Reduced
35
funds
Exited
0
funds

Insider activity (Form 4)

No Form 4 insider transactions on file yet.

Institutional ownership over time

112 funds+111 since Q2 2022
056112Q2 2022Q1 2023Q4 2023Q3 2024Q2 2025Q1 2026
funds holding aggregate valuelatest $896M

Funds that own OSIS also own

CompanyCo-held byCombined value
Microsoft CorporationMSFT110 funds$161.1B
Alphabet, Inc. Cl AGOOGL108 funds$97.1B
Broadcom LtdAVGO107 funds$83.9B
Meta Platforms, Inc.META107 funds$73.2B
Amazon.com, Inc.AMZN106 funds$115.8B
Visa Inc. CL AV106 funds$33.8B
Mastercard, Inc.MA106 funds$27.1B
Unitedhealth Group IncUNH106 funds$16.5B
Nvidia Corp. (US)NVDA105 funds$239.2B
Apple, Inc.AAPL104 funds$208.7B
Jpmorgan Chase & CoJPM104 funds$52.5B
Lilly Eli and CoLLY104 funds$44.7B

Ranked by how many of OSIS's institutional holders also hold each name — a cross-fund conviction signal. Via the MCP server (ticker.co_held).

Recent filings

0 shown

No filings captured for this ticker in the live stream yet.

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for OSIS. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.