OSI Systems, Inc. OSIS

Set alert

191.61 USD -11.31 (-5.57%)

At closeNov 5, 2026, 4:00 PM EST

191.61 0.00 0.00%

After hours · Nov 5, 4:00 PM ET

190.77 Day range 202.80

186.50 52-week range 311.72

Held by insiders 4.66%

Held by institutions 126.94%

Float held by institutions 133.15%

Institutions 501

Top institutional holders
Holder	% held	Shares	Value	Reported
Blackrock Inc.	16.23%	2,552,027	517.86M	Jun 29, 2026
FMR, LLC	11.05%	1,738,166	352.71M	Jun 29, 2026
Vanguard Portfolio Management LLC	8.09%	1,272,016	258.12M	Jun 29, 2026
Jupiter Topco LLC	5.76%	905,925	183.83M	Jun 29, 2026
Vanguard Capital Management LLC	4.47%	703,070	142.67M	Jun 29, 2026
State Street Corporation	4.29%	674,053	136.78M	Jun 29, 2026

Top mutual fund holders
Holder	% held	Shares	Value	Reported
iShares Trust-iShares Core S&P Small-Cap ETF	5.87%	922,572	187.21M	Sep 29, 2026
SmallCap World Fund Inc	4.40%	691,954	140.41M	Sep 29, 2026
VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund	3.16%	496,472	100.74M	Jun 29, 2026
iShares Trust-iShares Russell 2000 ETF	2.64%	414,576	84.13M	Sep 29, 2026
JANUS INVESTMENT FUND-Janus Henderson Triton Fund	2.62%	412,315	83.67M	Jun 29, 2026
VANGUARD WORLD FUND-Vanguard Information Technology Index Fund	2.55%	401,730	81.52M	Aug 30, 2026

OSIS insiders
Insider	Relation	Latest transaction	Date	Shares held
ALIABADI MANOOCHER MANSOURI	Officer	Sale	Dec 12, 2024	78,094
BALLHAUS WILLIAM FRANCIS JR.	Director	Stock Award(Grant)	Jul 19, 2026	29,475
BERNARD KELLI	Director	Stock Award(Grant)	Jul 19, 2026	11,134
CHIZEVER GERALD M.	Director	Stock Award(Grant)	Jul 19, 2026	10,842
CHOPRA DEEPAK	Director	Stock Award(Grant)	Aug 23, 2026	250,194
EDRICK ALAN IAN	Chief Financial Officer	Stock Award(Grant)	Aug 23, 2026	306,538

Ownership