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OSI Systems Inc. 13F holders

Of the 44 funds followed here, 6 reported a position in OSI Systems Inc. in a 13F for the quarter ended 30 June 2026. The largest: FMR LLC, 1.7 million shares worth $380.1 million, 0.0% of its reported book. Sold out: Bridgewater Associates.

FundSharesValueOf its bookChange on the quarterStatusQuarter endedFiling
FMR LLC1,738,166$380.1 million0.0%-228,922trimmed30 June 202613F
Geode Capital Management463,787$101.4 million0.0%+23,064added30 June 202613F
Millennium Management298,480$65.3 million0.0%+254,870added30 June 202613F
Citadel Advisors27,000$5.9 million0.0%+1,852added30 June 202613F
Norges Bank5,506$1.2 million0.0%held30 June 202613F
Two Sigma Investments4,900$1.1 million0.0%-2,700trimmed30 June 202613F
Bridgewater Associates0$00.0%-3,214exited30 June 202613F
Value is what the fund reported.
Read moreChange is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.

Schedule 13D and 13G filed on the name, last twelve months

FiledScheduleWhoHoldingOf the classEvent dateRule or purposeFiling
13 August 202613GJANUS HENDERSON GROUP Ltd. and 1 other905,9255.5%30 June 2026passive, institutional (13d-1(b))EDGAR
6 August 202613G/AFmr Llc and 3 others1.8 million10.8%30 June 2026passive, institutional (13d-1(b))EDGAR
31 July 202613GVanguard Capital Management and 1 other824,5105.0%30 June 2026passive, institutional (13d-1(b))EDGAR
15 May 202613G/AJanus Henderson Group Plc and 1 other772,3144.7%31 March 2026passive, institutional (13d-1(b))EDGAR
6 May 202613G/AFmr Llc and 3 others2.1 million12.6%31 March 2026passive, institutional (13d-1(b))EDGAR
29 April 202613GVanguard Portfolio Management and 1 other1.3 million7.7%31 March 2026passive, institutional (13d-1(b))EDGAR
27 March 202613G/AThe Vanguard Group and 1 other00.0%13 March 2026passive, institutional (13d-1(b))EDGAR
11 February 202613G/AMawer Investment Management Ltd. and 1 other803,6024.7%31 December 2025passive, institutional (13d-1(b))EDGAR
8 January 202613G/AFmr Llc and 3 others1.7 million10.0%31 December 2025passive, institutional (13d-1(b))EDGAR
14 November 202513G/AJanus Henderson Group Plc and 1 other1.0 million5.9%30 September 2025passive, institutional (13d-1(b))EDGAR
12 November 202513GMawer Investment Management Ltd. and 1 other856,3835.1%30 September 2025passive, institutional (13d-1(b))EDGAR
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder.
Read moreAmendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short.

Fails to deliver

Settlement dateShares failedPriceFile
2 September 202643$208.52SEC
27 August 2026144$211.04SEC
24 August 20261,687$206.73SEC
21 August 202656$218.09SEC
20 August 2026114$220.92SEC
19 August 2026889$218.73SEC
14 August 2026939$228.56SEC
7 August 2026333$237.10SEC
6 August 202630$235.09SEC
4 August 2026113$225.57SEC
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period.
Read moreLargest in the window: 1,687 on 24 August 2026. A fail is an operational fact about settlement, not a position.

Source

Each fund's 13F-HR on EDGAR, linked per row; positions matched to OSIS by CUSIP from the SEC's own fails-to-deliver files; Schedule 13D and 13G from the company's own filing index, each read to confirm the company is the issuer named.

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