13F Insight
DOSSIER · 13F Holders · Q1 2026Cheap mega-capRe-rated
OSIS 2.25 08/01/29

OSI Systems Inc.

35 institutions still hold OSI Systems Inc. as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 671044AF2·35 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 3.2%
vs prior quarter
13F value held
$463M
64.0% inst. owned
of float
Holders
35
-116 QoQ
filers reporting
Activity
+68 / −21
+980 added · −853 reduced
this quarter
Concentration
37.80%
LINDEN ADVISORS LP #1
top holder share
AI Holders Summary · Q1 2026

35 institutions reported OSIS 2.25 08/01/29 in Q1 2026. LINDEN ADVISORS LP leads at 37.8% of the visible book. -116 net institutions QoQ — distribution reading.

Top holders

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

#HolderValueShares% port.Quarter
01
LINDEN ADVISORS LP
CIK 0001279396
$175M114.0M0.98%Q1 202602
Alberta Investment Management Corp
CIK 0001463559· Sovereign
$61M40.0M0.37%Q1 202603
BNP PARIBAS FINANCIAL MARKETS
CIK 0001166588
$35M23.1M0.02%Q1 202604
Boussard & Gavaudan Investment Management LLP
CIK 0001614986
$32M21K3.04%Q1 202605
FMR LLC
CIK 0000315066
$28M18.5M0.00%Q1 202606
ABSOLUTE INVESTMENT ADVISERS, LLC
CIK 0001316187
$18M12.0M2.17%Q1 202607
JPMORGAN CHASE & CO
CIK 0000019617
$18M11.5M0.00%Q1 202608
ARISTEIA CAPITAL, L.L.C.
CIK 0001080171
$12M8.0M0.25%Q1 202609
STATE STREET CORP
CIK 0000093751
$11M7.3M0.00%Q1 202610
Portman Square Capital LLP
CIK 0001966898
$11M7.0M0.41%Q1 202611
KIM, LLC
CIK 0001888968
$10M6.6M1.03%Q1 202612
BlackRock, Inc.
CIK 0002012383
$9M5.7M0.00%Q1 202613
MACKAY SHIELDS LLC
CIK 0000061227
$7M4.5M0.25%Q1 202614
VOYA INVESTMENT MANAGEMENT LLC
CIK 0001068837
$7M4.5M0.01%Q1 202615
CITIGROUP INC
CIK 0000831001
$6M4.2M0.00%Q1 202616
GABELLI FUNDS LLC
CIK 0001081407
$6M4.2M0.04%Q1 202617
UBS Group AG
CIK 0001610520
$6M4.0M0.00%Q1 202618
SSI INVESTMENT MANAGEMENT LLC
CIK 0000938487
$5M3.2M0.34%Q1 202619
Nicholas Investment Partners, LP
CIK 0001389574
$2M1.5M0.17%Q1 202620
WELLS FARGO & COMPANY/MN
CIK 0000072971
$2M1.2M0.00%Q1 2026
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