OSI SYSTEMS INC hedge fund holdings
OSISNASDAQ$196.78+0.16 (+0.08%)as of Oct 2, 2026
Every quarter, large institutional investment managers with over $100M in U.S.-listed assets under management disclose their U.S. equity holdings through 13F filings. Read together, those filings show which businesses professional capital is moving into and out of.
Price vs funds buying and selling
OSIS · close · 13FReported Aug 14, 2026Price vs funds buying and selling data
Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (-20.7%). 0 fund reports plotted in this window as 0 markers; nearby trades of the same kind are grouped.
| Date | Category | Person | Role | Action | Amount | Change in holding |
|---|
Funds buying · new + increased
Funds selling · reduced + closed
Net buyers vs sellers
Buying = new + increased; selling = reduced + closed. Counts exclude position changes under 5% of the fund's holding last quarter.Price and fund activity data
| Quarter | Funds buying | Funds selling | Bought | Sold | Filers | Reported |
|---|---|---|---|---|---|---|
| Q2 2025 | 121 | 107 | $257M | $447M | 315 | Aug 14, 2025 |
| Q3 2025 | 117 | 117 | $389M | $369M | 327 | Nov 14, 2025 |
| Q4 2025 | 123 | 106 | $362M | $340M | 337 | Feb 14, 2026 |
| Q1 2026 | 115 | 115 | $336M | $341M | 347 | May 15, 2026 |
| Q2 2026 | 139 | 133 | $455M | $462M | 339 | Aug 14, 2026 |
Quarterly action breakdown
Q2 2026
339 filersNew position
51$59.4M+272K sh
Increased
88$395M+1.81M sh
Reduced
83-$232M-1.06M sh
Out / sold
50-$230M-1.05M sh
Last 4 quarters · free
Reported Aug 14, 2026
| Fund | Action | Change in dollar | Value | % of portfolio | Reported |
|---|---|---|---|---|---|
| Mawer Investment Management Ltd. | Sell 100% | -$176M | $0 | 0.00% | Aug 7, 2026 |
| William Blair Investment Management, LLC | Added 120.98% | +$45.4M | $83M | 0.25% | Aug 12, 2026 |
| Loomis Sayles & Co L P | Reduce 88.11% | -$36.9M | $4.98M | 0.01% | Aug 14, 2026 |
| Channing Capital Management, LLC | Added 62.19% | +$36.3M | $94.7M | 2.18% | Jul 29, 2026 |
| Driehaus Capital Management LLC | Sell 100% | -$31.3M | $0 | 0.00% | Aug 14, 2026 |
| T. Rowe Price Investment Management, Inc. | New Buy | +$22.2M | $22.2M | 0.01% | Aug 14, 2026 |
| Wellington Management Group LLP | Added 89.45% | +$18.3M | $38.8M | 0.01% | Aug 14, 2026 |
| First Eagle Investment Management, LLC | Added 323.02% | +$17.4M | $22.8M | 0.02% | Aug 24, 2026 |
| Axiom Investors LLC | Sell 100% | -$12M | $0 | 0.00% | Aug 12, 2026 |
| Lord, Abbett & Co. LLC | Sell 100% | -$11.5M | $0 | 0.00% | Aug 14, 2026 |
| Clark Capital Management Group, Inc. | Reduce 19.05% | -$11.3M | $47.9M | 0.26% | Aug 11, 2026 |
| Nomura Asset Management International Inc. | Reduce 27.71% | -$9.79M | $25.5M | 0.04% | Aug 14, 2026 |
| Hood River Capital Management LLC | Added 11.35% | +$9.24M | $90.6M | 0.66% | Aug 14, 2026 |
| Nicholas Investment Partners, LP | Sell 100% | -$8.38M | $0 | 0.00% | Aug 14, 2026 |
| Neumeier Poma Investment Counsel LLC | Added 16.24% | +$6.8M | $48.7M | 3.33% | Aug 13, 2026 |
| Divisadero Street Capital Management, LP | New Buy | +$6.09M | $6.09M | 0.14% | Aug 14, 2026 |
| Shannon River Fund Management LLC | Sell 100% | -$5.12M | $0 | 0.00% | Aug 13, 2026 |
| Capital International Investors | Reduce 3.74% | -$5.06M | $130M | 0.03% | Aug 12, 2026 |
| Asset Management One Co., Ltd. | Reduce 24.69% | -$4.5M | $13.7M | 0.04% | Jul 28, 2026 |
| Mirova | Reduce 29.24% | -$4.16M | $10.1M | 0.37% | Aug 13, 2026 |
| Weiss Asset Management LP | New Buy | +$4.06M | $4.06M | 0.04% | Aug 14, 2026 |
| Harvest Investment Services, LLC | Sell 100% | -$4.04M | $0 | 0.00% | Aug 14, 2026 |
| Susquehanna Fundamental Investments, LLC | Added 707.90% | +$3.72M | $4.25M | 0.08% | Aug 14, 2026 |
| Hilton Capital Management, LLC | New Buy | +$3.38M | $3.38M | 0.23% | Aug 4, 2026 |
| Primecap Management Co | Added 5.53% | +$2.96M | $56.5M | 0.03% | Aug 14, 2026 |
| Daiichi Life Insurance Co., Ltd. | Reduce 37.42% | -$2.8M | $4.68M | 0.11% | Aug 12, 2026 |
| Credit Agricole S A | Reduce 50.53% | -$2.78M | $2.72M | 0.01% | Aug 14, 2026 |
| Canada Pension Plan Investment Board | Sell 100% | -$2.78M | $0 | 0.00% | Aug 14, 2026 |
| Van Eck Associates Corp | Added 6.09% | +$2.51M | $43.7M | 0.03% | Aug 14, 2026 |
| Bridge City Capital, LLC | Added 47.54% | +$2.35M | $7.29M | 1.66% | Aug 11, 2026 |
| Argent Capital Management LLC | Reduce 46.47% | -$2.02M | $2.33M | 0.07% | Jul 15, 2026 |
| Oliver Luxxe Assets LLC | Reduce 56.20% | -$1.99M | $1.55M | 0.23% | Jul 9, 2026 |
| Jackson Creek Investment Advisors LLC | Sell 100% | -$1.95M | $0 | 0.00% | Aug 10, 2026 |
| Prospect Capital Advisors, LLC | Added 16.48% | +$1.78M | $12.6M | 5.72% | Aug 14, 2026 |
| Teachers Retirement System of the State of Kentucky | Added 204.74% | +$1.77M | $2.64M | 0.02% | Aug 12, 2026 |
| Park Avenue Securities LLC | New Buy | +$1.7M | $1.7M | 0.01% | Jul 20, 2026 |
| PDT Partners, LLC | Reduce 17.10% | -$1.57M | $7.63M | 0.40% | Aug 14, 2026 |
| Tidal Investments LLC | Added 504.80% | +$1.52M | $1.82M | 0.00% | Aug 13, 2026 |
| Intrinsic Edge Capital Management LLC | Added 26.00% | +$1.49M | $7.21M | 0.75% | Aug 12, 2026 |
| Blair William & Co | Sell 100% | -$1.46M | $0 | 0.00% | Aug 11, 2026 |
| Wakefield Asset Management LLLP | Sell 100% | -$1.35M | $0 | 0.00% | Aug 11, 2026 |
| Kennedy Capital Management LLC | Added 103.30% | +$1.25M | $2.46M | 0.04% | Aug 14, 2026 |
| CSS LLC | Sell 100% | -$1.19M | $0 | 0.00% | Aug 14, 2026 |
| Healthcare of Ontario Pension Plan Trust Fund | Reduce 37.42% | -$1.09M | $1.82M | 0.00% | Aug 13, 2026 |
| Lombard Odier Asset Management (USA) Corp | Sell 100% | -$957K | $0 | 0.00% | Aug 14, 2026 |
| Legato Capital Management LLC | Reduce 54.76% | -$930K | $769K | 0.06% | Aug 6, 2026 |
| Numerai GP LLC | Added 82.83% | +$922K | $2.03M | 0.17% | Aug 14, 2026 |
| Oak Ridge Investments LLC | Added 29.80% | +$884K | $3.85M | 0.22% | Jul 21, 2026 |
| MML Investors Services, LLC | Added 31.67% | +$880K | $3.66M | 0.01% | Aug 7, 2026 |
| Wesbanco Bank Inc | Added 48.04% | +$875K | $2.7M | 0.07% | Jul 28, 2026 |
| Campbell & CO Investment Adviser LLC | New Buy | +$856K | $856K | 0.04% | Aug 3, 2026 |
| Bridgewater Associates, LP | Sell 100% | -$853K | $0 | 0.00% | Aug 14, 2026 |
| Hanseatic Management Services Inc | Sell 100% | -$788K | $0 | 0.00% | Aug 7, 2026 |
| Quantinno Capital Management LP | Added 126.33% | +$721K | $1.29M | 0.00% | Aug 13, 2026 |
| Systematic Financial Management LP | Reduce 1.43% | -$687K | $47.3M | 0.94% | Aug 14, 2026 |
| Blueshift Asset Management, LLC | New Buy | +$629K | $629K | 0.15% | Aug 14, 2026 |
| Guggenheim Capital LLC | New Buy | +$611K | $611K | 0.00% | Aug 12, 2026 |
| State of Alaska, Department of Revenue | Reduce 33.24% | -$556K | $1.12M | 0.01% | Jul 20, 2026 |
| Oppenheimer & Co Inc | New Buy | +$554K | $554K | 0.01% | Aug 3, 2026 |
| Watershed Asset Management, L.L.C. | New Buy | +$543K | $543K | 0.49% | Aug 14, 2026 |
| First Trust Advisors LP | Added 6.24% | +$541K | $9.2M | 0.01% | Aug 11, 2026 |
| Nordea Investment Management AB | Reduce 4.88% | -$486K | $9.48M | 0.01% | Aug 5, 2026 |
| USS Investment Management Ltd | New Buy | +$482K | $482K | 0.00% | Aug 11, 2026 |
| Harbour Capital Advisors, LLC | New Buy | +$479K | $479K | 0.09% | Jul 15, 2026 |
| Public Sector Pension Investment Board | Reduce 3.87% | -$469K | $11.6M | 0.03% | Aug 13, 2026 |
| Severin Investments, LLC | Sell 100% | -$462K | $0 | 0.00% | Aug 14, 2026 |
| State of New Jersey Common Pension Fund D | Reduce 25.76% | -$443K | $1.28M | 0.00% | Aug 4, 2026 |
| Jain Global LLC | New Buy | +$422K | $422K | 0.00% | Aug 14, 2026 |
| Fulton Bank, N.A. | New Buy | +$408K | $408K | 0.01% | Jul 9, 2026 |
| Moody Aldrich Partners LLC | Reduce 10.23% | -$408K | $3.58M | 0.64% | Jul 15, 2026 |
| FIL Ltd | Reduce 94.01% | -$405K | $25.8K | 0.00% | Aug 13, 2026 |
| Handelsbanken Fonder AB | Added 33.58% | +$350K | $1.39M | 0.00% | Jul 10, 2026 |
| Swedbank AB | Reduce 1.35% | -$348K | $25.4M | 0.02% | Jul 15, 2026 |
| GHP Investment Advisors, Inc. | Added 4.78% | +$348K | $7.61M | 0.28% | Jul 20, 2026 |
| Level Four Advisory Services, LLC | Added 22.37% | +$344K | $1.88M | 0.05% | Aug 10, 2026 |
| Round Rock Advisors LLC | Sell 100% | -$330K | $0 | 0.00% | Aug 12, 2026 |
| Zions Bancorporation, National Association | Reduce 46.95% | -$302K | $341K | 0.02% | Jul 31, 2026 |
| Farringdon Capital, Ltd. | Sell 100% | -$297K | $0 | 0.00% | Aug 12, 2026 |
| Aigen Investment Management, LP | Sell 100% | -$295K | $0 | 0.00% | Aug 14, 2026 |
| Allstate Corp | New Buy | +$280K | $280K | 0.00% | Aug 13, 2026 |
| DNB Asset Management AS | Sell 100% | -$273K | $0 | 0.00% | Aug 11, 2026 |
| Alessandra Capital Management, LLC | Sell 100% | -$256K | $0 | 0.00% | Jul 28, 2026 |
| Inspire Investing, LLC | Added 59.65% | +$252K | $675K | 0.03% | Aug 12, 2026 |
| Delta Global Management LP | New Buy | +$252K | $252K | 0.03% | Aug 13, 2026 |
| Csenge Advisory Group | Sell 100% | -$252K | $0 | 0.00% | Aug 10, 2026 |
| BankChampaign, National Association | Sell 100% | -$245K | $0 | 0.00% | Jul 23, 2026 |
| Fieldview Capital Management, LLC | New Buy | +$241K | $241K | 0.07% | Aug 14, 2026 |
| &Partners | Added 120.87% | +$238K | $435K | 0.00% | Aug 14, 2026 |
| Great Lakes Advisors, LLC | Sell 100% | -$227K | $0 | 0.00% | Aug 10, 2026 |
| Evergreen Capital Management LLC | Sell 100% | -$221K | $0 | 0.00% | Jul 23, 2026 |
| Massar Capital Management, LP | Sell 100% | -$219K | $0 | 0.00% | Aug 14, 2026 |
| Register Financial Advisors LLC | Added 15.58% | +$219K | $1.62M | 0.50% | Jul 15, 2026 |
| Canandaigua National Bank & Trust Co | Sell 100% | -$215K | $0 | 0.00% | Jul 7, 2026 |
| Retirement Guys Formula LLC | Sell 100% | -$212K | $0 | 0.00% | Jul 30, 2026 |
| Wedge Capital Management L L P | Added 7.92% | +$210K | $2.85M | 0.05% | Jul 10, 2026 |
| Themes Management Co LLC | Sell 100% | -$205K | $0 | 0.00% | Jul 21, 2026 |
| Fred Alger Management, LLC | Sell 100% | -$204K | $0 | 0.00% | Aug 14, 2026 |
| Resources Management Corp /Ct/ | Sell 100% | -$186K | $0 | 0.00% | Aug 14, 2026 |
| Segall Bryant & Hamill, LLC | Added 1.76% | +$184K | $10.7M | 0.13% | Aug 12, 2026 |
| Benjamin Edwards Inc | Added 20.29% | +$180K | $1.07M | 0.01% | Jul 24, 2026 |