Security record · archived quarter
OSIS
OSI Systems, Inc. · Technology · Hardware, Equipment & Parts
18Tracked holders
-1Δ holders
8.25MShares held
$2.06BReported value
+0New positions
−2Exits
Momentum inputs (comparable managers):
holder breadth -5.3% ·
share flow -0.7% ·
net new positions -11.1%
— formula
Broad distribution — falling shares and fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 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 · Q3 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 2.50M | 0.0% | $624.16M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 2.50M | 0.0% | $624.16M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 2.50M | 0.0% | $624.16M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 2.50M | 0.0% | $624.16M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 2.50M | 0.0% | $624.16M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 2.50M | 0.0% | $624.16M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 2.50M | 0.0% | $624.16M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 2.50M | 0.0% | $624.16M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 2.50M | 0.0% | $624.16M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 2.50M | 0.0% | $624.16M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 2.50M | 0.0% | $624.16M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 2.50M | 0.0% | $624.16M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 2.50M | 0.0% | $624.16M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 2.50M | 0.0% | $624.16M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 2.50M | 0.0% | $624.16M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 2.50M | 0.0% | $624.16M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 17 | BlackRock ✦ (passive) | 2.50M | 0.0% | $624.16M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 18 | BlackRock ✦ (passive) | 2.50M | 0.0% | $624.16M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 19 | BlackRock ✦ (passive) | 2.50M | 0.0% | $624.16M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 20 | The Vanguard Group ✦ (passive) | 2.11M | -0.2% | $525.29M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 21 | The Vanguard Group ✦ (passive) | 2.11M | -0.2% | $525.29M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 22 | The Vanguard Group ✦ (passive) | 2.11M | -0.2% | $525.29M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 23 | The Vanguard Group ✦ (passive) | 2.11M | -0.2% | $525.29M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 24 | The Vanguard Group ✦ (passive) | 2.11M | -0.2% | $525.29M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 25 | Fidelity (FMR) ✦ | 1.09M | -8.4% | $271.74M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 26 | Fidelity (FMR) ✦ | 1.09M | -8.4% | $271.74M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 27 | Fidelity (FMR) ✦ | 1.09M | -8.4% | $271.74M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 28 | Fidelity (FMR) ✦ | 1.09M | -8.4% | $271.74M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 29 | Fidelity (FMR) ✦ | 1.09M | -8.4% | $271.74M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 30 | Fidelity (FMR) ✦ | 1.09M | -8.4% | $271.74M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 31 | State Street Global Advisors ✦ (passive) | 665.89K | -0.1% | $165.97M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 32 | State Street Global Advisors ✦ (passive) | 665.89K | -0.1% | $165.97M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 33 | Geode Capital Management ✦ (passive) | 394.27K | +3.5% | $98.28M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 34 | Geode Capital Management ✦ (passive) | 394.27K | +3.5% | $98.28M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 35 | PRIMECAP Management ✦ | 306.63K | -4.6% | $76.42M | 0.1% | ▼ Trim | 6 | SEC ↗ |
| 36 | Morgan Stanley ✦ | 261.59K | — | $65.20M | 0.0% | n/c | 1 | SEC ↗ |
| 37 | Morgan Stanley ✦ | 261.59K | — | $65.20M | 0.0% | n/c | 1 | SEC ↗ |
| 38 | Morgan Stanley ✦ | 261.59K | — | $65.20M | 0.0% | n/c | 1 | SEC ↗ |
| 39 | Morgan Stanley ✦ | 261.59K | — | $65.20M | 0.0% | n/c | 1 | SEC ↗ |
| 40 | Morgan Stanley ✦ | 261.59K | — | $65.20M | 0.0% | n/c | 1 | SEC ↗ |
| 41 | Morgan Stanley ✦ | 261.59K | — | $65.20M | 0.0% | n/c | 1 | SEC ↗ |
| 42 | JPMorgan Chase ✦ | 260.55K | — | $64.94M | 0.0% | n/c | 1 | SEC ↗ |
| 43 | JPMorgan Chase ✦ | 260.55K | — | $64.94M | 0.0% | n/c | 1 | SEC ↗ |
| 44 | JPMorgan Chase ✦ | 260.55K | — | $64.94M | 0.0% | n/c | 1 | SEC ↗ |
| 45 | JPMorgan Chase ✦ | 260.55K | — | $64.94M | 0.0% | n/c | 1 | SEC ↗ |
| 46 | JPMorgan Chase ✦ | 260.55K | — | $64.94M | 0.0% | n/c | 1 | SEC ↗ |
| 47 | JPMorgan Chase ✦ | 260.55K | — | $64.94M | 0.0% | n/c | 1 | SEC ↗ |
| 48 | JPMorgan Chase ✦ | 260.55K | — | $64.94M | 0.0% | n/c | 1 | SEC ↗ |
| 49 | JPMorgan Chase ✦ | 260.55K | — | $64.94M | 0.0% | n/c | 1 | SEC ↗ |
| 50 | JPMorgan Chase ✦ | 260.55K | — | $64.94M | 0.0% | n/c | 1 | SEC ↗ |
| 51 | JPMorgan Chase ✦ | 260.55K | — | $64.94M | 0.0% | n/c | 1 | SEC ↗ |
| 52 | JPMorgan Chase ✦ | 260.55K | — | $64.94M | 0.0% | n/c | 1 | SEC ↗ |
| 53 | JPMorgan Chase ✦ | 260.55K | — | $64.94M | 0.0% | n/c | 1 | SEC ↗ |
| 54 | T. Rowe Price ✦ | 244.92K | +352.6% | $61.05M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 55 | T. Rowe Price ✦ | 244.92K | +352.6% | $61.05M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 56 | Goldman Sachs Group ✦ | 151.54K | — | $37.77M | 0.0% | n/c | 1 | SEC ↗ |
| 57 | Goldman Sachs Group ✦ | 151.54K | — | $37.77M | 0.0% | n/c | 1 | SEC ↗ |
| 58 | Goldman Sachs Group ✦ | 151.54K | — | $37.77M | 0.0% | n/c | 1 | SEC ↗ |
| 59 | Millennium Management ✦ | 96.16K | -57.2% | $23.97M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 60 | Two Sigma Investments ✦ | 59.06K | +107.6% | $14.72M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 61 | AQR Capital Management ✦ | 28.61K | +69.8% | $7.13M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 62 | AQR Capital Management ✦ | 28.61K | +69.8% | $7.13M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 63 | AQR Capital Management ✦ | 28.61K | +69.8% | $7.13M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 64 | AQR Capital Management ✦ | 28.61K | +69.8% | $7.13M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 65 | AQR Capital Management ✦ | 28.61K | +69.8% | $7.13M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 66 | Marshall Wace ✦ | 27.08K | +29.0% | $6.75M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 67 | Point72 Asset Management ✦ | 21.62K | -32.5% | $5.39M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 68 | D. E. Shaw & Co. ✦ | 12.00K | -4.0% | $2.99M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 69 | Citadel Advisors ✦ | 9.16K | -84.9% | $2.28M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 70 | Citadel Advisors ✦ | 9.16K | -84.9% | $2.28M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 71 | Citadel Advisors ✦ | 9.16K | -84.9% | $2.28M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 72 | Gotham Asset Management ✦ | 4.70K | +7.0% | $1.17M | 0.0% | ▲ Add | 6 | 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
| Norges Bank | $3.02M | was 0.0% |
| GAMCO Investors | $801,401 | 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: Q3 2025 ·
Methodology ·
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