Companies / OSI Systems Inc / Activity
Activity — OSI Systems Inc
127 moves.
Top impactInsider · CEO movesInsider · biggest buysInsider · biggest sellsInstitution · biggest movesInstitution · new positions
| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Q2 2026 as of | Mawer Investment Management Ltd. 13F manager | Exit | Common stock | $-204.97M | -804K -100.00% | 0 | high |
| Q1 2026 as of | Channing Capital Management, LLC 13F manager | New | Common stock | $70.86M | +267K | 266,884 1.62% of shares | high |
| Q1 2026 as of | Brown Advisory Inc 13F manager | Trim | Common stock | $-19.48M | -73K -48.38% | 78,254 0.47% of shares | medium |
| Q1 2026 as of | BNP Paribas Financial Markets 13F manager | Add | Common stock | $13.49M | +51K +107.94% | 97,909 0.59% of shares | medium |
| Q1 2026 as of | Segall Bryant & Hamill, LLC 13F manager | New | Common stock | $12.72M | +48K | 47,909 0.29% of shares | medium |
| Q4 2024 as of | Danske Bank A/S 13F manager | Trim | Common stock | $-8.51M | -51K -64.66% | 27,771 0.17% of shares | medium |
| Q1 2026 as of | Geode Capital Management, LLC 13F manager | Add | Common stock | $7.90M | +30K +7.24% | 440,723 2.67% of shares | medium |
| Q2 2024 as of | Danske Bank A/S 13F manager | Add | Common stock | $7.08M | +51K +451.17% | 62,878 0.38% of shares | medium |
| Q4 2025 as of | Danske Bank A/S 13F manager | Trim | Common stock | $-7.06M | -28K -99.64% | 100 <0.01% of shares | medium |
| Q1 2026 as of | Axiom Investors LLC /De 13F manager | Trim | Common stock | $-5.77M | -22K -32.54% | 45,072 0.27% of shares | medium |
| Q1 2026 as of | Clearbridge Investments, LLC 13F manager | Trim | Common stock | $-5.72M | -22K -11.64% | 163,598 0.99% of shares | medium |
| Q1 2026 as of | Argent Capital Management LLC 13F manager | New | Common stock | $5.28M | +20K | 19,877 0.12% of shares | medium |
| Q1 2026 as of | Janus Henderson Group PLC 13F manager | Add | Common stock | $5.24M | +20K +2.62% | 772,314 4.69% of shares | medium |
| Q1 2026 as of | Shannon River Fund Management LLC 13F manager | New | Common stock | $5.12M | +19K | 19,274 0.12% of shares | medium |
| Q1 2026 as of | First Trust Advisors LP 13F manager | Trim | Common stock | $-4.70M | -18K -30.88% | 39,612 0.24% of shares | low |
| Q1 2026 as of | Nicholas Investment Partners, LP 13F manager | Trim | Common stock | $-4.53M | -17K -35.10% | 31,553 0.19% of shares | low |
| Q4 2025 as of | Norges Bank 13F manager | Trim | Common stock | $-4.00M | -16K -58.53% | 11,111 0.07% of shares | low |
| Q3 2024 as of | Barclays PLC 13F manager | Add | Common stock | $3.86M | +25K +252.30% | 35,519 0.22% of shares | low |
| Q1 2026 as of | Systematic Financial Management LP 13F manager | Trim | Common stock | $-3.72M | -14K -6.01% | 219,241 1.33% of shares | low |
| Q2 2026 as of | State Street Corporation 13F manager | Add | Common stock | $3.47M | +16K +2.41% | 674,053 4.09% of shares | low |
| Q1 2026 as of | Norges Bank 13F manager | Exit | Common stock | $-2.83M | -11K -100.00% | 0 | low |
| Q4 2025 as of | Bank of America Corp /De 13F manager | Add | Common stock | $2.74M | +11K +3.89% | 286,253 1.74% of shares | low |
| Q1 2026 as of | Marshall Wace, LLP 13F manager | New | Common stock | $2.70M | +10K | 10,183 0.06% of shares | low |
| Q1 2026 as of | Boston Partners 13F manager | Add | Common stock | $2.52M | +9K +12.29% | 86,529 0.52% of shares | low |
| Q3 2024 as of | Danske Bank A/S 13F manager | Add | Common stock | $2.38M | +16K +24.98% | 78,586 0.48% of shares | low |
| Q2 2025 as of | Barclays PLC 13F manager | Add | Common stock | $2.18M | +10K +36.79% | 36,050 0.22% of shares | low |
| Q2 2026 as of | BlackRock, Inc. 13F manager | Trim | Common stock | $-2.16M | -10K -0.39% | 2,552,027 15.48% of shares | low |
| Q4 2023 as of | Barclays PLC 13F manager | Add | Common stock | $2.08M | +16K +123.07% | 29,171 0.18% of shares | low |
| Q1 2026 as of | Asset Management One Co., Ltd. 13F manager | Add | Common stock | $1.80M | +7K +8.83% | 83,323 0.51% of shares | low |
| Q1 2025 as of | Barclays PLC 13F manager | Trim | Common stock | $-1.75M | -9K -25.48% | 26,354 0.16% of shares | low |
| Q1 2026 as of | Principal Financial Group Inc 13F manager | Add | Common stock | $1.75M | +7K +6.88% | 102,417 0.62% of shares | low |
| Q3 2025 as of | Barclays PLC 13F manager | Trim | Common stock | $-1.57M | -6K -17.47% | 29,753 0.18% of shares | low |
| Q2 2024 as of | Barclays PLC 13F manager | Trim | Common stock | $-1.37M | -10K -49.71% | 10,082 0.06% of shares | low |
| Q1 2024 as of | Barclays PLC 13F manager | Trim | Common stock | $-1.30M | -9K -31.28% | 20,047 0.12% of shares | low |
| Q1 2026 as of | Two Sigma Investments, LP 13F manager | New | Common stock | $1.30M | +5K | 4,900 0.03% of shares | low |
| Q2 2026 as of | WINTON GROUP Ltd 13F manager | Add | Common stock | $1.28M | +6K +385.66% | 7,382 0.04% of shares | low |
| Q1 2026 as of | Bank of New York Mellon Corp/The 13F manager | Trim | Common stock | $-1.26M | -5K -4.63% | 98,162 0.60% of shares | low |
| Q1 2026 as of | Guggenheim Capital LLC 13F manager | Exit | Common stock | $-1.24M | -5K -100.00% | 0 | low |
| Q1 2026 as of | Css LLC/IL 13F manager | New | Common stock | $1.19M | +5K | 4,500 0.03% of shares | low |
| Q1 2026 as of | Neumeier Poma Investment Counsel LLC 13F manager | Trim | Common stock | $-1.16M | -4K -2.23% | 191,430 1.16% of shares | low |
| Q2 2026 as of | Deutsche Bank AG 13F manager | Add | Common stock | $1.15M | +5K +32.80% | 21,267 0.13% of shares | low |
| Q1 2026 as of | Clark Capital Management Group, Inc. 13F manager | Add | Common stock | $1.14M | +4K +1.62% | 270,420 1.64% of shares | low |
| Q1 2026 as of | Balyasny Asset Management L.P. 13F manager | New | Common stock | $1.08M | +4K | 4,065 0.02% of shares | low |
| Q1 2026 as of | Oak Ridge Investments LLC 13F manager | Add | Common stock | $1.01M | +4K +38.94% | 13,559 0.08% of shares | low |
| Q1 2026 as of | California State Teachers Retirement System 13F manager | Add | Common stock | $972.6K | +4K +24.41% | 18,670 0.11% of shares | low |
| Q1 2026 as of | Bridgewater Associates, LP 13F manager | New | Common stock | $853.3K | +3K | 3,214 0.02% of shares | low |
| Q2 2026 as of | Hanseatic Management Services Inc 13F manager | Exit | Common stock | $-788.0K | -3K -100.00% | 0 | low |
| Q1 2026 as of | Nordea Investment Management AB 13F manager | Trim | Common stock | $-615.7K | -2K -4.85% | 45,750 0.28% of shares | low |
| Q1 2026 as of | Intech Investment Management LLC 13F manager | Trim | Common stock | $-542.2K | -2K -27.44% | 5,400 0.03% of shares | low |
| Q2 2026 as of | AlphaQuest LLC 13F manager | Exit | Common stock | $-526.7K | -2K -100.00% | 0 | low |