Security record
STAA
STAAR Surgical Company · Healthcare · Medical - Instruments & Supplies
75Tracked holders
+6Δ holders
22.78MShares held
$653.08MReported value
+13New positions
−6Exits
Momentum inputs (comparable managers):
holder breadth +8.7% ·
share flow +3.7% ·
net new positions +9.3%
— formula
Broad accumulation — rising shares across more 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 | 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 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 6.73M | +1.0% | $193.12M | 0.0% | ▲ Add | 5 | SEC ↗ ×15 |
| 2 | Point72 Asset Management ✦ | 2.44M | +196.1% | $69.93M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 3 | Goldman Sachs Group ✦ | 2.15M | +101.0% | $61.71M | 0.0% | ▲ Add | 4 | SEC ↗ ×2 |
| 4 | State Street Global Advisors ✦ (passive) | 1.77M | -3.5% | $50.76M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 5 | Vanguard Capital Management Llc | 1.55M | -8.2% | $44.55M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 6 | Morgan Stanley ✦ | 1.32M | -12.2% | $37.76M | 0.0% | ▼ Trim | 4 | SEC ↗ ×8 |
| 7 | Geode Capital Management ✦ (passive) | 1.08M | +5.8% | $30.88M | 0.0% | ▲ Add | 9 | SEC ↗ ×2 |
| 8 | Dimensional Fund Advisors Lp | 867.14K | +5.7% | $24.88M | 0.0% | ▲ Add | 3 | SEC ↗ ×4 |
| 9 | Charles Schwab Investment… | 445.71K | +9.1% | $12.79M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 10 | Northern Trust Corp | 423.11K | +5.7% | $12.14M | 0.0% | ▲ Add | 3 | SEC ↗ ×6 |
| 11 | Norges Bank ✦ (passive) | 365.20K | New | $10.48M | 0.0% | New | 1 | SEC ↗ |
| 12 | UBS Group AG | 341.18K | +89.6% | $9.79M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 13 | Renaissance Technologies ✦ | 340.40K | +151.8% | $9.77M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 14 | Principal Financial Group Inc | 241.98K | 0.0% | $6.94M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 15 | Citadel Advisors ✦ | 233.38K | -78.0% | $6.70M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 16 | Bank of New York Mellon Corp | 229.28K | -1.0% | $6.58M | 0.0% | ▼ Trim | 3 | SEC ↗ ×7 |
| 17 | Squarepoint Ops LLC | 188.29K | -45.7% | $5.40M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 18 | Bank Of America Corp /De/ | 183.78K | +183.8% | $5.27M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 19 | Nuveen, LLC | 164.14K | +19.0% | $4.71M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 20 | Invesco Ltd. | 133.42K | -10.5% | $3.83M | 0.0% | ▼ Trim | 3 | SEC ↗ ×5 |
| 21 | JPMorgan Chase ✦ | 112.32K | +201.2% | $3.33M | 0.0% | ▲ Add | 4 | SEC ↗ ×5 |
| 22 | Two Sigma Investments ✦ | 110.29K | -80.3% | $3.16M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 23 | UBS AM, a distinct business unit of… | 107.42K | +10.1% | $3.08M | 0.0% | ▲ Add | 3 | SEC ↗ ×9 |
| 24 | Rhumbline Advisers | 102.31K | -20.9% | $2.94M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 25 | Legal & General Group Plc | 100.20K | -1.5% | $2.87M | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 26 | Susquehanna International Group, Llp | 81.60K | -55.4% | $2.34M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 27 | Ameriprise Financial Inc | 77.89K | -5.0% | $2.23M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 28 | Quantinno Capital Management LP | 60.76K | +2.5% | $1.74M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 29 | T. Rowe Price ✦ | 60.17K | +16.7% | $1.73M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 30 | Swiss National Bank | 59.70K | -6.7% | $1.71M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 31 | Prudential Financial Inc | 49.68K | +0.6% | $1.43M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 32 | Corient Private Wealth LP | 48.97K | +1.6% | $1.41M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 33 | Deutsche Bank Ag\ | 34.63K | +80.8% | $993,420 | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 34 | Wells Fargo & Company/Mn | 33.65K | +132.6% | $965,332 | 0.0% | ▲ Add | 3 | SEC ↗ ×4 |
| 35 | Alliancebernstein L.P. | 50.96K | -13.6% | $952,989 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 36 | Creative Planning | 33.18K | +40.8% | $951,905 | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 37 | Tidal Investments LLC | 33.17K | New | $951,648 | 0.0% | New | 1 | SEC ↗ ×2 |
| 38 | Bnp Paribas Financial Markets | 31.07K | +154.1% | $891,484 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 39 | American Century Companies Inc | 29.21K | -0.8% | $838,035 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 40 | Franklin Resources Inc | 24.92K | -32.0% | $715,012 | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 41 | Jane Street Group, Llc | 24.56K | -94.5% | $704,598 | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 42 | IMC-Chicago, LLC | 23.19K | +28.0% | $665,235 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 43 | D. E. Shaw & Co. ✦ | 22.00K | -21.0% | $631,323 | 0.0% | ▼ Trim | 7 | SEC ↗ ×2 |
| 44 | Citigroup Inc | 21.38K | +203.3% | $613,478 | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 45 | Balyasny Asset Management L.P. | 18.87K | New | $541,409 | 0.0% | New | 1 | SEC ↗ |
| 46 | Fidelity (FMR) ✦ | 17.62K | +2.6% | $505,619 | 0.0% | ▲ Add | 5 | SEC ↗ ×3 |
| 47 | Zurcher Kantonalbank (Zurich… | 16.93K | 0.0% | $485,750 | 0.0% | Held | 3 | SEC ↗ |
| 48 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 15.64K | -2.8% | $448,626 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 49 | Barclays Plc | 14.51K | +120.3% | $416,350 | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 50 | State Board Of Administration Of… | 13.79K | 0.0% | $395,664 | 0.0% | Held | 3 | SEC ↗ |
| 51 | Amundi | 13.57K | -16.7% | $389,467 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 52 | AQR Capital Management ✦ | 13.05K | New | $374,318 | 0.0% | New | 1 | SEC ↗ ×5 |
| 53 | New York State Common Retirement… | 12.21K | +45.2% | $350,420 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 54 | Raymond James Financial Inc | 12.05K | New | $345,600 | 0.0% | New | 1 | SEC ↗ ×2 |
| 55 | Russell Investments Group, Ltd. | 10.91K | -54.8% | $312,892 | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 56 | Fifth Third Bancorp | 10.88K | -1.1% | $312,204 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 57 | Cibc World Market Inc. | 9.30K | New | $266,903 | 0.0% | New | 1 | SEC ↗ |
| 58 | Manufacturers Life Insurance… | 9.15K | New | $262,456 | 0.0% | New | 1 | SEC ↗ |
| 59 | Walleye Trading LLC | 8.69K | +1835.0% | $249,259 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 60 | LPL Financial LLC | 8.29K | New | $237,869 | 0.0% | New | 1 | SEC ↗ |
| 61 | Sei Investments Co | 8.14K | New | $233,454 | 0.0% | New | 1 | SEC ↗ ×2 |
| 62 | GAMCO Investors ✦ | 7.75K | -61.2% | $222,348 | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 63 | National Bank Of Canada /Fi/ | 6.48K | New | $185,802 | 0.0% | New | 1 | SEC ↗ |
| 64 | Royal Bank Of Canada | 5.96K | +25.8% | $171,000 | 0.0% | ▲ Add | 3 | SEC ↗ ×4 |
| 65 | Mitsubishi UFJ Trust & Banking Corp | 5.12K | New | $146,921 | 0.0% | New | 1 | SEC ↗ |
| 66 | Simplex Trading, Llc | 4.95K | +99.1% | $142,130 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 67 | Pnc Financial Services Group, Inc. | 3.26K | -0.4% | $93,558 | 0.0% | ▼ Trim | 3 | SEC ↗ ×4 |
| 68 | Group One Trading Llc | 2.01K | -45.8% | $57,638 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 69 | Us Bancorp \De\ | 1.91K | +12.6% | $54,798 | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 70 | Osaic Holdings, Inc. | 818 | +13.9% | $23,468 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 71 | BNP Paribas Asset Management… | 647 | -36.9% | $18,562 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 72 | Jones Financial Companies Lllp | 270 | -26.0% | $7,908 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 73 | Optiver Holding B.V. | 182 | New | $5,222 | 0.0% | New | 1 | SEC ↗ |
| 74 | Rockefeller Capital Management L.P. | 35 | -25.5% | $1,004 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 75 | TD Waterhouse Canada Inc. | 28 | New | $789 | 0.0% | New | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Norges Bank | $10.48M | 0.0% |
| Tidal Investments LLC | $951,648 | 0.0% |
| Balyasny Asset Management L.P. | $541,409 | 0.0% |
| AQR Capital Management | $374,318 | 0.0% |
| Raymond James Financial Inc | $345,600 | 0.0% |
| Cibc World Market Inc. | $266,903 | 0.0% |
| Manufacturers Life Insurance… | $262,456 | 0.0% |
| LPL Financial LLC | $237,869 | 0.0% |
| Sei Investments Co | $233,454 | 0.0% |
| National Bank Of Canada /Fi/ | $185,802 | 0.0% |
| Mitsubishi UFJ Trust &… | $146,921 | 0.0% |
| Optiver Holding B.V. | $5,222 | 0.0% |
Exited
| Hrt Financial Lp | $4.12M | was 0.0% |
| Millennium Management | $3.10M | was 0.0% |
| Tudor Investment Corp Et Al | $974,457 | was 0.0% |
| Man Group plc | $474,157 | was 0.0% |
| State Of Wisconsin Investment… | $356,833 | was 0.0% |
| Marshall Wace | $214,096 | was 0.0% |
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 2026 ·
Methodology ·
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