Security record · archived quarter
STAA
STAAR Surgical Company · Healthcare · Medical - Instruments & Supplies
11Tracked holders
0Δ holders
16.25MShares held
$272.61MReported value
+0New positions
−0Exits
Momentum inputs (comparable managers): holder breadth 0.0% · share flow +4.0% · net new positions 0.0% — formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 75 | +6 | 22.78M | $653.08M | +13 | −6 |
| Q1 2026 | 71 | -2 | 21.75M | $407.04M | +10 | −12 |
| Q4 2025 | 73 | +2 | 25.59M | $590.84M | +2 | — |
| Q3 2025 | 16 | +2 | 16.83M | $452.11M | +3 | −1 |
| Q2 2025 | 11 | 0 | 16.25M | $272.61M | — | — |
| Q1 2025 | 8 | -2 | 3.84M | $67.78M | +1 | −3 |
| Q4 2024 | 10 | -2 | 5.93M | $144.12M | +1 | −3 |
| Q3 2024 | 11 | +1 | 5.51M | $204.79M | +2 | −1 |
| Q2 2024 | 10 | — | 5.61M | $267.04M | — | — |
Who holds it · Q2 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 7.37M | — | $123.69M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 7.37M | — | $123.69M | 0.0% | n/c | 1 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 7.37M | — | $123.69M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 7.37M | — | $123.69M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 7.37M | — | $123.69M | 0.0% | n/c | 1 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 7.37M | — | $123.69M | 0.0% | n/c | 1 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 7.37M | — | $123.69M | 0.0% | n/c | 1 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 7.37M | — | $123.69M | 0.0% | n/c | 1 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 7.37M | — | $123.69M | 0.0% | n/c | 1 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 7.37M | — | $123.69M | 0.0% | n/c | 1 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 7.37M | — | $123.69M | 0.0% | n/c | 1 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 7.37M | — | $123.69M | 0.0% | n/c | 1 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 7.37M | — | $123.69M | 0.0% | n/c | 1 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 7.37M | — | $123.69M | 0.0% | n/c | 1 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 7.37M | — | $123.69M | 0.0% | n/c | 1 | SEC ↗ |
| 16 | The Vanguard Group ✦ (passive) | 4.39M | — | $73.68M | 0.0% | n/c | 1 | SEC ↗ |
| 17 | The Vanguard Group ✦ (passive) | 4.39M | — | $73.68M | 0.0% | n/c | 1 | SEC ↗ |
| 18 | The Vanguard Group ✦ (passive) | 4.39M | — | $73.68M | 0.0% | n/c | 1 | SEC ↗ |
| 19 | The Vanguard Group ✦ (passive) | 4.39M | — | $73.68M | 0.0% | n/c | 1 | SEC ↗ |
| 20 | The Vanguard Group ✦ (passive) | 4.39M | — | $73.68M | 0.0% | n/c | 1 | SEC ↗ |
| 21 | State Street Global Advisors ✦ (passive) | 2.00M | +0.4% | $33.61M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 22 | Geode Capital Management ✦ (passive) | 1.19M | +0.3% | $20.02M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 23 | Geode Capital Management ✦ (passive) | 1.19M | +0.3% | $20.02M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 24 | Citadel Advisors ✦ | 555.12K | +124.3% | $9.31M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 25 | Citadel Advisors ✦ | 555.12K | +124.3% | $9.31M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 26 | Two Sigma Investments ✦ | 407.38K | +360.8% | $6.84M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 27 | D. E. Shaw & Co. ✦ | 124.29K | +204.8% | $2.09M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 28 | Millennium Management ✦ | 109.61K | -37.7% | $1.84M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 29 | T. Rowe Price ✦ | 44.53K | +6.7% | $748,000 | 0.0% | ▲ Add | 5 | SEC ↗ |
| 30 | Renaissance Technologies ✦ | 31.90K | -51.2% | $535,282 | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 31 | Fidelity (FMR) ✦ | 15.27K | — | $256,191 | 0.0% | n/c | 1 | SEC ↗ |
| 32 | Fidelity (FMR) ✦ | 15.27K | — | $256,191 | 0.0% | n/c | 1 | SEC ↗ |
| 33 | Fidelity (FMR) ✦ | 15.27K | — | $256,191 | 0.0% | n/c | 1 | 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
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 186 holders, 53.87M shares, $998.22M 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 14
SC 13G/A — Madison Avenue Partners, LP
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 2025 ·
Methodology ·
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