OSI Systems Ownership | Who Owns OSI Systems?
OSI Systems Ownership Summary
OSI Systems is owned by 109.20% institutional investors, 4.61% insiders. Blackrock is the largest institutional shareholder, holding 15.31% of OSIS shares. iShares Core S&P Small-Cap ETF is the top mutual fund, with 5.55% of its assets in OSI Systems shares.
OSIS Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | OSI Systems | 109.20% | 4.61% | -13.82% |
| Sector | Technology Stocks | 144.02% | 12.52% | -56.54% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock | 2.61M | 15.31% | $358.80M |
| Blackrock funding, inc. /de | 2.50M | 14.66% | $563.21M |
| Vanguard group | 2.12M | 12.68% | $354.97M |
| Janus henderson group | 1.23M | 7.36% | $206.07M |
| Fmr | 847.91K | 5.07% | $141.97M |
| Dimensional fund advisors lp | 750.17K | 4.49% | $125.60M |
| State street | 721.18K | 4.23% | $99.18M |
| Capital investors | 674.34K | 3.95% | $151.63M |
| Mawer investment management | 512.66K | 3.00% | $115.28M |
| Geode capital management | 374.51K | 2.24% | $62.72M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Prospect capital advisors | 53.48K | 7.24% | $12.03M |
| Neumeier poma investment counsel | 197.46K | 4.14% | $44.40M |
| Millrace asset group | 16.34K | 2.18% | $2.25M |
| Bridge city capital | 33.88K | 2.14% | $7.62M |
| Systematic financial management lp | 262.65K | 1.58% | $59.06M |
| Intrinsic edge capital management | 45.85K | 1.44% | $10.31M |
| Cascade investment advisors | 9.59K | 1.38% | $2.16M |
| Manatuck hill partners | 14.30K | 1.21% | $3.22M |
| Hood river capital management | 377.06K | 1.18% | $84.79M |
| Moody aldrich partners | 26.25K | 1.14% | $5.90M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Fmr | 847.91K | 0.01% | 203.51K |
| Ubs group | 307.60K | 0.01% | 173.02K |
| Driehaus capital management | 102.71K | 0.18% | 102.71K |
| Goldman sachs group | 198.00K | 0.01% | 86.59K |
| Norges bank | 54.26K | 0.00% | 54.26K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Sg capital management | 53.94K | 0.84% | -172.04K |
| Ophir asset management pty | - | - | -125.43K |
| Clark capital management group | 251.05K | 0.39% | -118.42K |
| Balyasny asset management | 6.46K | 0.00% | -98.77K |
| Mirae asset global etfs | - | - | -72.76K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Driehaus capital management | 102.71K | 0.18% | 102.71K | $23.10M |
| Norges bank | 54.26K | 0.00% | 54.26K | $9.08M |
| First eagle investment management | 35.90K | 0.01% | 35.90K | $6.01M |
| Twinbeech capital lp | 27.76K | 0.14% | 27.76K | $6.24M |
| Trek financial | 20.93K | 0.32% | 20.93K | $4.71M |
Sold Out
| Holder | Change |
|---|---|
| Mendota financial group | -1.00 |
| Claris advisors, llc / mo / | -1.00 |
| Continuum advisory | -3.00 |
| Global financial private client | -4.00 |
| Financial gravity asset management | -5.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2025 | 349 | 7.38% | 18,661,273 | -4.05% | 109 | 0.84% | 173 | 13.07% | 124 | 6.90% |
| Mar 31, 2025 | 5 | -98.42% | 396,449 | -97.81% | 2 | 0.02% | 2 | -98.82% | 2 | -97.96% |
| Dec 31, 2024 | 137 | -50.72% | 6,894,087 | -58.17% | 41 | 0.43% | 71 | -48.18% | 43 | -48.81% |
| Sep 30, 2024 | 278 | 2.96% | 16,479,297 | 7.12% | 98 | 1.21% | 137 | -1.44% | 84 | -4.55% |
| Jun 30, 2024 | 267 | 6.37% | 15,378,738 | 2.16% | 90 | 1.16% | 137 | 24.55% | 88 | -12.00% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 932.31K | 5.55% | 136.00 |
| American Funds SMALLCAP World A | 674.34K | 4.02% | - |
| Janus Henderson US SMID Cap Growth | 559.48K | 3.33% | -163.44K |
| Janus Henderson Triton D | 559.48K | 3.33% | -163.44K |
| Janus Henderson US SMID Cap Growth MA | 559.48K | 3.33% | 559.45K |
| Vanguard US Total Market Shares ETF | 525.36K | 3.13% | 572.00 |
| Vanguard Total Stock Mkt Idx Inv | 502.12K | 2.99% | -10.55K |
| Fidelity Small Cap Growth | 478.64K | 2.85% | -43.24K |
| Vanguard Small Cap Index | 387.16K | 2.31% | -2.57K |
| Vanguard Information Technology ETF | 380.73K | 2.27% | 3.88K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Sep 04, 2025 | Morben Paul Keith | PRES., OPTOELECTRONICS DIV | Sell | $395.63K |
| Jun 12, 2025 | LUSKIN MEYER/ | - | Sell | $237.15K |
| May 21, 2025 | Ballhaus William Francis JR | - | Sell | $171.66K |
| May 13, 2025 | EDRICK ALAN I | EVP & CFO | Sell | $4.58M |
| May 08, 2025 | Grindstaff Glenn | CHIEF HUMAN RESOURCES OFFICER | Sell | $154.72K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q3 | - | 1 |
| 2025 Q2 | - | 7 |
| 2025 Q1 | - | 4 |
| 2024 Q4 | - | 11 |
| 2024 Q3 | - | 3 |
OSIS Ownership FAQ
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