OSIS
OSI Systems, Inc. · Technology · Hardware, Equipment & Parts
Momentum inputs (comparable managers):
holder breadth -14.3% ·
share flow -3.4% ·
net new positions -16.7%
— formula
Broad distribution — falling shares and fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2024
| 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 | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | State Street Global Advisors ✦ (passive) | 748.87K | — | $125.38M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | Geode Capital Management ✦ (passive) | 374.51K | -1.5% | $62.72M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 3 | Geode Capital Management ✦ (passive) | 374.51K | -1.5% | $62.72M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 4 | PRIMECAP Management ✦ | 297.71K | +1.1% | $49.85M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 5 | Norges Bank ✦ (passive) | 54.26K | -21.4% | $9.08M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 6 | Citadel Advisors ✦ | 44.07K | -46.7% | $7.38M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 7 | Citadel Advisors ✦ | 44.07K | -46.7% | $7.38M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 8 | D. E. Shaw & Co. ✦ | 30.33K | -30.9% | $5.08M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 9 | Marshall Wace ✦ | 29.58K | +5.0% | $4.95M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 10 | Two Sigma Investments ✦ | 26.56K | +188.2% | $4.45M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 11 | T. Rowe Price ✦ | 11.35K | +9.0% | $1.90M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 12 | AQR Capital Management ✦ | 7.10K | +176.1% | $1.19M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 13 | AQR Capital Management ✦ | 7.10K | +176.1% | $1.19M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 14 | AQR Capital Management ✦ | 7.10K | +176.1% | $1.19M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 15 | Millennium Management ✦ | 5.71K | -25.0% | $956,193 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 16 | Gotham Asset Management ✦ | 3.10K | 0.0% | $518,363 | 0.0% | Held | 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
| Renaissance Technologies | $1.11M | was 0.0% |
| Bridgewater Associates | $518,044 | 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.
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.