Security record · archived quarter
OSIS
OSI Systems, Inc. · Technology · Hardware, Equipment & Parts
111Tracked holders
-2Δ holders
15.72MShares held
$3.86BReported value
+2New positions
−3Exits
Momentum inputs (comparable managers):
holder breadth -1.8% ·
share flow +1.9% ·
net new positions -0.9%
— formula
Concentrated accumulation — rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2025
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 110 | -3 | 13.36M | $2.86B | +7 | −10 |
| Q1 2026 | 116 | +4 | 14.03M | $3.64B | +7 | −4 |
| Q4 2025 | 111 | -2 | 15.72M | $3.86B | +2 | −3 |
| Q3 2025 | 18 | -1 | 8.25M | $2.06B | — | −2 |
| Q2 2025 | 17 | +4 | 7.65M | $1.72B | +4 | — |
| Q1 2025 | 10 | -2 | 1.57M | $304.91M | +1 | −3 |
| Q4 2024 | 12 | -2 | 1.63M | $273.45M | — | −2 |
| Q3 2024 | 13 | 0 | 942.05K | $143.04M | — | — |
| Q2 2024 | 13 | — | 930.86K | $128.02M | — | — |
Who holds it · Q4 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 2.56M | +2.3% | $653.44M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 2.56M | +2.3% | $653.44M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 2.56M | +2.3% | $653.44M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 2.56M | +2.3% | $653.44M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 2.56M | +2.3% | $653.44M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 2.56M | +2.3% | $653.44M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 2.56M | +2.3% | $653.44M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 2.56M | +2.3% | $653.44M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 2.56M | +2.3% | $653.44M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 2.56M | +2.3% | $653.44M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 2.56M | +2.3% | $653.44M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 2.56M | +2.3% | $653.44M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 2.56M | +2.3% | $653.44M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 2.56M | +2.3% | $653.44M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 2.56M | +2.3% | $653.44M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 2.56M | +2.3% | $653.44M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 17 | BlackRock ✦ (passive) | 2.56M | +2.3% | $653.44M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 18 | BlackRock ✦ (passive) | 2.56M | +2.3% | $653.44M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 19 | BlackRock ✦ (passive) | 2.56M | +2.3% | $653.44M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 20 | BlackRock ✦ (passive) | 2.56M | +2.3% | $653.44M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 21 | The Vanguard Group ✦ (passive) | 2.11M | -0.1% | $537.31M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 22 | The Vanguard Group ✦ (passive) | 2.11M | -0.1% | $537.31M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 23 | The Vanguard Group ✦ (passive) | 2.11M | -0.1% | $537.31M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 24 | The Vanguard Group ✦ (passive) | 2.11M | -0.1% | $537.31M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 25 | The Vanguard Group ✦ (passive) | 2.11M | -0.1% | $537.31M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 26 | Fidelity (FMR) ✦ | 1.66M | +52.0% | $422.74M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 27 | Fidelity (FMR) ✦ | 1.66M | +52.0% | $422.74M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 28 | Fidelity (FMR) ✦ | 1.66M | +52.0% | $422.74M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 29 | Fidelity (FMR) ✦ | 1.66M | +52.0% | $422.74M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 30 | Fidelity (FMR) ✦ | 1.66M | +52.0% | $422.74M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 31 | Fidelity (FMR) ✦ | 1.66M | +52.0% | $422.74M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 32 | Janus Henderson Group Plc | 752.57K | — | $191.95M | 0.1% | n/c | 1 | SEC ↗ |
| 33 | Janus Henderson Group Plc | 752.57K | — | $191.95M | 0.1% | n/c | 1 | SEC ↗ |
| 34 | Janus Henderson Group Plc | 752.57K | — | $191.95M | 0.1% | n/c | 1 | SEC ↗ |
| 35 | Capital International Investors | 674.34K | — | $172.00M | 0.0% | n/c | 1 | SEC ↗ |
| 36 | State Street Global Advisors ✦ (passive) | 658.17K | -1.2% | $167.87M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 37 | State Street Global Advisors ✦ (passive) | 658.17K | -1.2% | $167.87M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 38 | UBS AM, a distinct business unit of… | 498.25K | — | $127.08M | 0.0% | n/c | 1 | SEC ↗ |
| 39 | UBS AM, a distinct business unit of… | 498.25K | — | $127.08M | 0.0% | n/c | 1 | SEC ↗ |
| 40 | UBS AM, a distinct business unit of… | 498.25K | — | $127.08M | 0.0% | n/c | 1 | SEC ↗ |
| 41 | UBS AM, a distinct business unit of… | 498.25K | — | $127.08M | 0.0% | n/c | 1 | SEC ↗ |
| 42 | UBS AM, a distinct business unit of… | 498.25K | — | $127.08M | 0.0% | n/c | 1 | SEC ↗ |
| 43 | UBS AM, a distinct business unit of… | 498.25K | — | $127.08M | 0.0% | n/c | 1 | SEC ↗ |
| 44 | UBS AM, a distinct business unit of… | 498.25K | — | $127.08M | 0.0% | n/c | 1 | SEC ↗ |
| 45 | UBS AM, a distinct business unit of… | 498.25K | — | $127.08M | 0.0% | n/c | 1 | SEC ↗ |
| 46 | UBS AM, a distinct business unit of… | 498.25K | — | $127.08M | 0.0% | n/c | 1 | SEC ↗ |
| 47 | Invesco Ltd. | 425.20K | — | $108.45M | 0.0% | n/c | 1 | SEC ↗ |
| 48 | Invesco Ltd. | 425.20K | — | $108.45M | 0.0% | n/c | 1 | SEC ↗ |
| 49 | Invesco Ltd. | 425.20K | — | $108.45M | 0.0% | n/c | 1 | SEC ↗ |
| 50 | Invesco Ltd. | 425.20K | — | $108.45M | 0.0% | n/c | 1 | SEC ↗ |
| 51 | Invesco Ltd. | 425.20K | — | $108.45M | 0.0% | n/c | 1 | SEC ↗ |
| 52 | Invesco Ltd. | 425.20K | — | $108.45M | 0.0% | n/c | 1 | SEC ↗ |
| 53 | Invesco Ltd. | 425.20K | — | $108.45M | 0.0% | n/c | 1 | SEC ↗ |
| 54 | Geode Capital Management ✦ (passive) | 410.96K | +4.2% | $104.84M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 55 | Geode Capital Management ✦ (passive) | 410.96K | +4.2% | $104.84M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 56 | Dimensional Fund Advisors Lp | 406.89K | — | $103.79M | 0.0% | n/c | 1 | SEC ↗ |
| 57 | Dimensional Fund Advisors Lp | 406.89K | — | $103.79M | 0.0% | n/c | 1 | SEC ↗ |
| 58 | Dimensional Fund Advisors Lp | 406.89K | — | $103.79M | 0.0% | n/c | 1 | SEC ↗ |
| 59 | Dimensional Fund Advisors Lp | 406.89K | — | $103.79M | 0.0% | n/c | 1 | SEC ↗ |
| 60 | Dimensional Fund Advisors Lp | 406.89K | — | $103.79M | 0.0% | n/c | 1 | SEC ↗ |
| 61 | UBS Group AG | 316.24K | — | $80.66M | 0.0% | n/c | 1 | SEC ↗ |
| 62 | UBS Group AG | 316.24K | — | $80.66M | 0.0% | n/c | 1 | SEC ↗ |
| 63 | UBS Group AG | 316.24K | — | $80.66M | 0.0% | n/c | 1 | SEC ↗ |
| 64 | UBS Group AG | 316.24K | — | $80.66M | 0.0% | n/c | 1 | SEC ↗ |
| 65 | Neuberger Berman Group LLC | 300.79K | — | $76.83M | 0.1% | n/c | 1 | SEC ↗ |
| 66 | Neuberger Berman Group LLC | 300.79K | — | $76.83M | 0.1% | n/c | 1 | SEC ↗ |
| 67 | Bank Of America Corp /De/ | 286.25K | — | $73.01M | 0.0% | n/c | 1 | SEC ↗ |
| 68 | Bank Of America Corp /De/ | 286.25K | — | $73.01M | 0.0% | n/c | 1 | SEC ↗ |
| 69 | Bank Of America Corp /De/ | 286.25K | — | $73.01M | 0.0% | n/c | 1 | SEC ↗ |
| 70 | Bank Of America Corp /De/ | 286.25K | — | $73.01M | 0.0% | n/c | 1 | SEC ↗ |
| 71 | Bank Of America Corp /De/ | 286.25K | — | $73.01M | 0.0% | n/c | 1 | SEC ↗ |
| 72 | Bank Of America Corp /De/ | 286.25K | — | $73.01M | 0.0% | n/c | 1 | SEC ↗ |
| 73 | Bank Of America Corp /De/ | 286.25K | — | $73.01M | 0.0% | n/c | 1 | SEC ↗ |
| 74 | Bank Of America Corp /De/ | 286.25K | — | $73.01M | 0.0% | n/c | 1 | SEC ↗ |
| 75 | Bank Of America Corp /De/ | 286.25K | — | $73.01M | 0.0% | n/c | 1 | SEC ↗ |
| 76 | PRIMECAP Management ✦ | 267.71K | -12.7% | $68.28M | 0.1% | ▼ Trim | 7 | SEC ↗ |
| 77 | T. Rowe Price ✦ | 255.06K | +4.1% | $65.06M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 78 | T. Rowe Price ✦ | 255.06K | +4.1% | $65.06M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 79 | Morgan Stanley ✦ | 222.90K | -14.8% | $56.85M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 80 | Morgan Stanley ✦ | 222.90K | -14.8% | $56.85M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 81 | Morgan Stanley ✦ | 222.90K | -14.8% | $56.85M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 82 | Morgan Stanley ✦ | 222.90K | -14.8% | $56.85M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 83 | Morgan Stanley ✦ | 222.90K | -14.8% | $56.85M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 84 | Morgan Stanley ✦ | 222.90K | -14.8% | $56.85M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 85 | Loomis Sayles & Co L P | 207.45K | — | $52.91M | 0.1% | n/c | 1 | SEC ↗ |
| 86 | Loomis Sayles & Co L P | 207.45K | — | $52.91M | 0.1% | n/c | 1 | SEC ↗ |
| 87 | Charles Schwab Investment… | 202.03K | — | $51.53M | 0.0% | n/c | 1 | SEC ↗ |
| 88 | Nomura Asset Management… | 188.97K | — | $48.20M | 0.1% | n/c | 1 | SEC ↗ |
| 89 | Clearbridge Investments, LLC | 185.15K | — | $47.22M | 0.0% | n/c | 1 | SEC ↗ |
| 90 | Northern Trust Corp | 171.31K | — | $43.69M | 0.0% | n/c | 1 | SEC ↗ |
| 91 | Northern Trust Corp | 171.31K | — | $43.69M | 0.0% | n/c | 1 | SEC ↗ |
| 92 | Northern Trust Corp | 171.31K | — | $43.69M | 0.0% | n/c | 1 | SEC ↗ |
| 93 | Northern Trust Corp | 171.31K | — | $43.69M | 0.0% | n/c | 1 | SEC ↗ |
| 94 | Northern Trust Corp | 171.31K | — | $43.69M | 0.0% | n/c | 1 | SEC ↗ |
| 95 | Northern Trust Corp | 171.31K | — | $43.69M | 0.0% | n/c | 1 | SEC ↗ |
| 96 | Northern Trust Corp | 171.31K | — | $43.69M | 0.0% | n/c | 1 | SEC ↗ |
| 97 | JPMorgan Chase ✦ | 165.01K | -36.7% | $42.09M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 98 | JPMorgan Chase ✦ | 165.01K | -36.7% | $42.09M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 99 | JPMorgan Chase ✦ | 165.01K | -36.7% | $42.09M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 100 | JPMorgan Chase ✦ | 165.01K | -36.7% | $42.09M | 0.0% | ▼ Trim | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| Two Sigma Investments | $14.72M | was 0.0% |
| Marshall Wace | $6.75M | was 0.0% |
| Point72 Asset Management | $5.39M | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 7 holders, 15.77M shares, $56.30M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Aug 13
SC 13G — Janus Henderson Group Ltd.
Aug 06
SC 13G/A — FMR LLC
Jul 31
SC 13G — VANGUARD CAPITAL MANAGEMENT LLC
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q4 2025 ·
Methodology ·
Get this via the API