13F Insight
DOSSIER · 13F Holders · Q3 2026
OSIS 2.25 08/01/29

OSI Systems Inc.

32 institutions still hold OSI Systems Inc. as of Q3 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 671044AF2·32 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$408M
visible holders
Holders
32
filers reporting
Concentration
37.43%
LINDEN ADVISORS LP #1
top holder share
AI Holders Summary · Q3 2026

32 institutions reported OSIS 2.25 08/01/29 in Q3 2026. LINDEN ADVISORS LP leads at 37.4% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
LINDEN ADVISORS LP
CIK 0001279396
$153M114.0M0.79%Q2 202602
Alberta Investment Management Corp
CIK 0001463559· Sovereign
$49M40.0M0.27%Q3 202603
Boussard & Gavaudan Investment Management LLP
CIK 0001614986
$32M21K3.04%Q1 202604
CITIGROUP INC
CIK 0000831001
$18M14.7M0.01%Q3 202605
BOUSSARD & GAVAUDAN GESTION SAS
CIK 0001569001
$18M15K1.39%Q3 202606
BNP PARIBAS FINANCIAL MARKETS
CIK 0001166588
$17M13.9M0.01%Q3 202607
PICTON MAHONEY ASSET MANAGEMENT
CIK 0001539041
$15M12.5M0.10%Q3 202608
ABSOLUTE INVESTMENT ADVISERS, LLC
CIK 0001316187
$15M12.0M1.35%Q3 202609
ARISTEIA CAPITAL, L.L.C.
CIK 0001080171
$13M10.0M0.17%Q2 202610
WOLVERINE ASSET MANAGEMENT LLC
CIK 0001279891
$11M9.0M0.07%Q3 202611
STATE STREET CORP
CIK 0000093751
$11M8.6M0.00%Q3 202612
BlackRock, Inc.
CIK 0002012383
$10M8.2M0.00%Q3 202613
KIM, LLC
CIK 0001888968
$9M6.6M0.87%Q2 202614
GABELLI FUNDS LLC
CIK 0001081407
$6M5.0M0.04%Q3 202615
FMR LLC
CIK 0000315066
$6M4.7M0.00%Q3 202616
MACKAY SHIELDS LLC
CIK 0000061227
$6M4.5M0.20%Q3 202617
LORD, ABBETT & CO. LLC
CIK 0000728100
$5M4.5M0.02%Q3 202618
SSI INVESTMENT MANAGEMENT LLC
CIK 0000938487
$4M3.3M0.26%Q3 202619
Invesco Ltd.
CIK 0000914208
$2M2.0M0.00%Q3 202620
Nicholas Investment Partners, LP
CIK 0001389574
$2M1.5M0.12%Q2 2026
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