OSI SYSTEMS INC (OSIS) Institutional Ownership Changes & 13F Activity

OSI SYSTEMS INC (OSIS). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Invesco Ltd., Millennium Management Llc, Ameriprise Financial Inc, Loomis Sayles & Co L P, and Bank Of America Corp.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Anchor Investment Management, LlcBuy+7575$16.40KQ2 2026Sep 15, 2026
Manufacturers Life Insurance Company, TheBuy+815+11.1%8,153$1.78MQ2 2026Sep 09, 2026
Parkside Financial Bank & TrustSell-15-4.7%305$66.70KQ2 2026Sep 04, 2026
Brown, Lisle/Cummings, Inc.Sell-6-20.0%24$5.25KQ2 2026Sep 02, 2026
First Eagle U.S. ValueBuy+27,500+111.5%52,162$11.41MQ2 2026Aug 24, 2026
California State Teachers Retirement SystemSell-526-2.8%18,144$3.97MQ2 2026Aug 24, 2026
Assenagon Asset Management S.A.Sell-12,682-81.7%2,845$622.20KQ2 2026Aug 21, 2026
Mercer Global Advisors IncBuy+958958$209.47KQ2 2026Aug 19, 2026
Liontrust Investment Partners LlpSell-695-54.2%588$128.60KQ2 2026Aug 18, 2026
Fulcrum Asset Management LlpBuy+7474$15.78KQ2 2026Aug 18, 2026
Equitable Holdings, Inc.Buy+5,1195,119$1.12MQ2 2026Aug 17, 2026
Empowered Funds, LlcBuy+88+1.1%8,010$1.75MQ2 2026Aug 17, 2026
Public Employees Retirement System Of OhioBuy+14+9.6%160$34.99KQ2 2026Aug 17, 2026
Pure Financial Advisors, LlcSell-11-0.5%2,000$437.40KQ2 2026Aug 17, 2026
Transamerica Financial Advisors, LlcSell-11-8.6%117$25.59KQ2 2026Aug 17, 2026
Invesco Ltd.Buy+263,207263,207$57.56MQ2 2026Aug 14, 2026
Millennium Management LlcBuy+254,870+584.4%298,480$65.28MQ2 2026Aug 14, 2026
Ameriprise Financial IncBuy+185,377185,377$40.54MQ2 2026Aug 14, 2026
Loomis Sayles & Co L PSell-168,693-88.1%22,774$4.98MQ2 2026Aug 14, 2026
Bank Of America CorpSell-129,035-48.4%137,340$30.04MQ2 2026Aug 14, 2026
T. Rowe Price Investment Management, Inc.Buy+101,616101,616$22.22MQ2 2026Aug 14, 2026
Wellington Management Group LlpBuy+83,862+89.4%177,616$38.84MQ2 2026Aug 14, 2026
Price T Rowe Associates IncBuy+55,172+21.3%314,717$68.83MQ2 2026Aug 14, 2026
Nomura Asset Management International Inc.Sell-44,756-27.7%116,736$25.53MQ2 2026Aug 14, 2026
Goldman Sachs Group IncBuy+44,555+59.3%119,675$26.17MQ2 2026Aug 14, 2026
Hood River Capital Management LlcBuy+42,230+11.3%414,304$90.61MQ2 2026Aug 14, 2026
Mirae Asset Global Etfs Holdings Ltd.Sell-40,435-17.4%192,062$41.93MQ2 2026Aug 14, 2026
Divisadero Street Capital Management, LpBuy+27,85927,859$6.09MQ2 2026Aug 14, 2026
Xtx Topco LtdBuy+22,71522,715$4.97MQ2 2026Aug 14, 2026
Weiss Asset Management LpBuy+18,58018,580$4.06MQ2 2026Aug 14, 2026
Showing 30 of 382

Frequently asked questions about OSIS activity

  • Which institutional owners are buying OSIS?

    Institutional owners buying OSIS include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in OSIS activity?

    "Buy" means an investor increased their reported position in OSIS compared to the prior reporting period. This reflects growing exposure to OSI SYSTEMS INC (OSIS) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in OSIS increasing?

    Institutional interest in OSIS can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.