Security record · archived quarter
OSIS
OSI Systems, Inc. · Technology · Hardware, Equipment & Parts
13Tracked holders
0Δ holders
942.05KShares held
$143.04MReported value
+0New positions
−0Exits
Momentum inputs (comparable managers): holder breadth 0.0% · share flow +1.2% · net new positions 0.0% · formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2024
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 2 | 0 | 13.11K | $764,712 | n/a | n/a |
| Q2 2026 | 108 | -3 | 13.35M | $2.86B | +7 | −12 |
| 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 | n/a | −2 |
| Q2 2025 | 17 | +4 | 7.65M | $1.72B | +4 | n/a |
| Q1 2025 | 10 | -2 | 1.57M | $304.91M | +1 | −3 |
| Q4 2024 | 12 | -2 | 1.63M | $273.45M | n/a | −2 |
| Q3 2024 | 13 | 0 | 942.05K | $143.04M | n/a | n/a |
| Q2 2024 | 13 | n/a | 930.86K | $128.02M | n/a | n/a |
Who holds it · Q3 2024
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Geode Capital Management ✦ (passive) | 380.09K | +1.5% | $57.72M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 2 | PRIMECAP Management ✦ | 294.50K | +5.0% | $44.71M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 3 | Citadel Advisors ✦ | 82.71K | +669.5% | $12.56M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 4 | Norges Bank ✦ (passive) | 69.08K | -24.0% | $10.49M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 5 | D. E. Shaw & Co. ✦ | 43.91K | +16.7% | $6.67M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 6 | Marshall Wace ✦ | 28.16K | -44.5% | $4.28M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 7 | T. Rowe Price ✦ | 10.41K | +1.4% | $1.58M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 8 | Two Sigma Investments ✦ | 9.21K | -45.3% | $1.40M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 9 | Millennium Management ✦ | 7.62K | +53.3% | $1.16M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 10 | Renaissance Technologies ✦ | 7.28K | -71.6% | $1.11M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 11 | Bridgewater Associates ✦ | 3.41K | -78.4% | $518,044 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 12 | Gotham Asset Management ✦ | 3.10K | 0.0% | $470,066 | 0.0% | Held | 2 | SEC ↗ |
| 13 | AQR Capital Management ✦ | 2.57K | -72.4% | $390,355 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
“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
| No tracked exits this quarter. |
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 2024 ·
Methodology ·
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