Security record
OSIS
OSI Systems, Inc. · Technology · Hardware, Equipment & Parts
111Tracked holders
-3Δ holders
13.41MShares held
$2.88BReported value
+7New positions
−9Exits
Momentum inputs (comparable managers):
holder breadth -2.6% ·
share flow +1.2% ·
net new positions -1.8%
— formula
Concentrated accumulation — rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 111 | -3 | 13.41M | $2.88B | +7 | −9 |
| 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 · Q2 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 2.55M | +0.9% | $558.13M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 2.55M | +0.9% | $558.13M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 2.55M | +0.9% | $558.13M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 2.55M | +0.9% | $558.13M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 2.55M | +0.9% | $558.13M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 2.55M | +0.9% | $558.13M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 2.55M | +0.9% | $558.13M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 2.55M | +0.9% | $558.13M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 2.55M | +0.9% | $558.13M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 2.55M | +0.9% | $558.13M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 2.55M | +0.9% | $558.13M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 2.55M | +0.9% | $558.13M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 2.55M | +0.9% | $558.13M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 2.55M | +0.9% | $558.13M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 2.55M | +0.9% | $558.13M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 2.55M | +0.9% | $558.13M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 17 | BlackRock ✦ (passive) | 2.55M | +0.9% | $558.13M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 18 | Fidelity (FMR) ✦ | 1.74M | -11.6% | $380.14M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 19 | Fidelity (FMR) ✦ | 1.74M | -11.6% | $380.14M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 20 | Fidelity (FMR) ✦ | 1.74M | -11.6% | $380.14M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 21 | Fidelity (FMR) ✦ | 1.74M | -11.6% | $380.14M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 22 | Fidelity (FMR) ✦ | 1.74M | -11.6% | $380.14M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 23 | Fidelity (FMR) ✦ | 1.74M | -11.6% | $380.14M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 24 | Fidelity (FMR) ✦ | 1.74M | -11.6% | $380.14M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 25 | Vanguard Capital Management Llc | 703.07K | +0.6% | $153.76M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 26 | State Street Global Advisors ✦ (passive) | 674.05K | +1.8% | $147.42M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 27 | State Street Global Advisors ✦ (passive) | 674.05K | +1.8% | $147.42M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 28 | Capital International Investors | 596.33K | -3.7% | $130.42M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 29 | Geode Capital Management ✦ (passive) | 463.79K | +5.2% | $101.45M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 30 | Geode Capital Management ✦ (passive) | 463.79K | +5.2% | $101.45M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 31 | UBS AM, a distinct business unit of… | 452.55K | +5.1% | $98.97M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 32 | UBS AM, a distinct business unit of… | 452.55K | +5.1% | $98.97M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 33 | UBS AM, a distinct business unit of… | 452.55K | +5.1% | $98.97M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 34 | UBS AM, a distinct business unit of… | 452.55K | +5.1% | $98.97M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 35 | UBS AM, a distinct business unit of… | 452.55K | +5.1% | $98.97M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 36 | UBS AM, a distinct business unit of… | 452.55K | +5.1% | $98.97M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 37 | UBS AM, a distinct business unit of… | 452.55K | +5.1% | $98.97M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 38 | UBS AM, a distinct business unit of… | 452.55K | +5.1% | $98.97M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 39 | UBS AM, a distinct business unit of… | 452.55K | +5.1% | $98.97M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 40 | Dimensional Fund Advisors Lp | 414.03K | +4.7% | $90.54M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 41 | Dimensional Fund Advisors Lp | 414.03K | +4.7% | $90.54M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 42 | Dimensional Fund Advisors Lp | 414.03K | +4.7% | $90.54M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 43 | Dimensional Fund Advisors Lp | 414.03K | +4.7% | $90.54M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 44 | Dimensional Fund Advisors Lp | 414.03K | +4.7% | $90.54M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 45 | Neuberger Berman Group LLC | 324.71K | +6.8% | $70.86M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 46 | Neuberger Berman Group LLC | 324.71K | +6.8% | $70.86M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 47 | T. Rowe Price ✦ | 314.72K | +21.3% | $68.83M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 48 | T. Rowe Price ✦ | 314.72K | +21.3% | $68.83M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 49 | Millennium Management ✦ | 298.48K | +584.4% | $65.28M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 50 | Invesco Ltd. | 263.21K | -29.5% | $57.56M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 51 | Invesco Ltd. | 263.21K | -29.5% | $57.56M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 52 | Invesco Ltd. | 263.21K | -29.5% | $57.56M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 53 | Invesco Ltd. | 263.21K | -29.5% | $57.56M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 54 | Invesco Ltd. | 263.21K | -29.5% | $57.56M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 55 | Invesco Ltd. | 263.21K | -29.5% | $57.56M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 56 | PRIMECAP Management ✦ | 258.18K | +5.5% | $56.46M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 57 | American Century Companies Inc | 223.14K | +337.6% | $48.80M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 58 | UBS Group AG | 210.87K | +55.1% | $46.12M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 59 | UBS Group AG | 210.87K | +55.1% | $46.12M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 60 | UBS Group AG | 210.87K | +55.1% | $46.12M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 61 | UBS Group AG | 210.87K | +55.1% | $46.12M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 62 | UBS Group AG | 210.87K | +55.1% | $46.12M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 63 | UBS Group AG | 210.87K | +55.1% | $46.12M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 64 | Morgan Stanley ✦ | 197.99K | -5.9% | $43.30M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 65 | Morgan Stanley ✦ | 197.99K | -5.9% | $43.30M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 66 | Morgan Stanley ✦ | 197.99K | -5.9% | $43.30M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 67 | Morgan Stanley ✦ | 197.99K | -5.9% | $43.30M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 68 | Morgan Stanley ✦ | 197.99K | -5.9% | $43.30M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 69 | Morgan Stanley ✦ | 197.99K | -5.9% | $43.30M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 70 | Morgan Stanley ✦ | 197.99K | -5.9% | $43.30M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 71 | Charles Schwab Investment… | 193.80K | -3.6% | $42.38M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 72 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 192.06K | -17.4% | $41.93M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 73 | JPMorgan Chase ✦ | 189.75K | +9.8% | $40.62M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 74 | JPMorgan Chase ✦ | 189.75K | +9.8% | $40.62M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 75 | JPMorgan Chase ✦ | 189.75K | +9.8% | $40.62M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 76 | JPMorgan Chase ✦ | 189.75K | +9.8% | $40.62M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 77 | JPMorgan Chase ✦ | 189.75K | +9.8% | $40.62M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 78 | JPMorgan Chase ✦ | 189.75K | +9.8% | $40.62M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 79 | JPMorgan Chase ✦ | 189.75K | +9.8% | $40.62M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 80 | JPMorgan Chase ✦ | 189.75K | +9.8% | $40.62M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 81 | Ameriprise Financial Inc | 185.38K | +97.0% | $40.54M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 82 | Ameriprise Financial Inc | 185.38K | +97.0% | $40.54M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 83 | Ameriprise Financial Inc | 185.38K | +97.0% | $40.54M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 84 | Northern Trust Corp | 181.36K | +6.2% | $39.66M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 85 | Northern Trust Corp | 181.36K | +6.2% | $39.66M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 86 | Northern Trust Corp | 181.36K | +6.2% | $39.66M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 87 | Northern Trust Corp | 181.36K | +6.2% | $39.66M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 88 | Northern Trust Corp | 181.36K | +6.2% | $39.66M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 89 | Northern Trust Corp | 181.36K | +6.2% | $39.66M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 90 | Northern Trust Corp | 181.36K | +6.2% | $39.66M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 91 | Wellington Management ✦ | 177.62K | +89.5% | $38.84M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 92 | Wellington Management ✦ | 177.62K | +89.5% | $38.84M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 93 | Wellington Management ✦ | 177.62K | +89.5% | $38.84M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 94 | Bank Of America Corp /De/ | 137.34K | -48.4% | $30.04M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 95 | Bank Of America Corp /De/ | 137.34K | -48.4% | $30.04M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 96 | Bank Of America Corp /De/ | 137.34K | -48.4% | $30.04M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 97 | Bank Of America Corp /De/ | 137.34K | -48.4% | $30.04M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 98 | Bank Of America Corp /De/ | 137.34K | -48.4% | $30.04M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 99 | Clearbridge Investments, LLC | 135.26K | -17.3% | $29.58M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 100 | Voya Investment Management Llc | 125.19K | +1276.4% | $27.38M | 0.0% | ▲ Add | 3 | 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
| Citadel Advisors | $3.97M | was 0.0% |
| Canada Pension Plan… | $2.78M | was 0.0% |
| Blair William & Co/Il | $1.46M | was 0.0% |
| Toronto Dominion Bank | $973,000 | was 0.0% |
| Bridgewater Associates | $853,349 | was 0.0% |
| Mariner, LLC | $651,827 | was 0.0% |
| Corient Private Wealth LP | $350,209 | was 0.0% |
| Cerity Partners LLC | $305,475 | was 0.0% |
| Group One Trading Llc | $26,551 | 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: Q2 2026 ·
Methodology ·
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