Security record · archived quarter
STAA
STAAR Surgical Company · Healthcare · Medical - Instruments & Supplies
71Tracked holders
-2Δ holders
21.75MShares held
$407.04MReported value
+10New positions
−12Exits
Momentum inputs (comparable managers):
holder breadth -2.7% ·
share flow -5.6% ·
net new positions -2.8%
· formula
Broad distribution: falling shares and fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 74 | +6 | 22.76M | $652.69M | +13 | −7 |
| Q1 2026 | 71 | -2 | 21.75M | $407.04M | +10 | −12 |
| Q4 2025 | 73 | +2 | 25.59M | $590.84M | +2 | n/a |
| Q3 2025 | 16 | +2 | 16.83M | $452.11M | +3 | −1 |
| Q2 2025 | 11 | 0 | 16.25M | $272.61M | n/a | n/a |
| 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 | n/a | 5.61M | $267.04M | n/a | n/a |
Who holds it · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 6.67M | -9.4% | $124.66M | 0.0% | ▼ Trim | 4 | SEC ↗ ×15 |
| 2 | State Street Global Advisors ✦ (passive) | 1.83M | -5.5% | $34.28M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 3 | Vanguard Capital Management Llc | 1.69M | n/a | $31.61M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | Morgan Stanley ✦ | 1.50M | +61.4% | $28.04M | 0.0% | ▲ Add | 3 | SEC ↗ ×7 |
| 5 | Goldman Sachs Group ✦ | 1.07M | -48.5% | $20.01M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 6 | Citadel Advisors ✦ | 1.06M | +416.5% | $19.81M | 0.0% | ▲ Add | 8 | SEC ↗ ×2 |
| 7 | Geode Capital Management ✦ (passive) | 1.02M | -16.0% | $19.01M | 0.0% | ▼ Trim | 8 | SEC ↗ ×2 |
| 8 | Point72 Asset Management ✦ | 823.15K | New | $15.39M | 0.0% | New | 1 | SEC ↗ |
| 9 | Dimensional Fund Advisors Lp | 820.78K | +39.1% | $15.35M | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 10 | Two Sigma Investments ✦ | 559.59K | +391.5% | $10.46M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 11 | Jane Street Group, Llc | 442.18K | +34.5% | $8.27M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 12 | Charles Schwab Investment… | 408.58K | -15.0% | $7.64M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 13 | Northern Trust Corp | 400.22K | -16.0% | $7.48M | 0.0% | ▼ Trim | 2 | SEC ↗ ×6 |
| 14 | Squarepoint Ops LLC | 346.72K | New | $6.48M | 0.0% | New | 1 | SEC ↗ |
| 15 | Principal Financial Group Inc | 241.97K | -8.1% | $4.52M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 16 | Bank of New York Mellon Corp | 231.53K | -14.6% | $4.33M | 0.0% | ▼ Trim | 2 | SEC ↗ ×6 |
| 17 | Hrt Financial Lp | 220.41K | New | $4.12M | 0.0% | New | 1 | SEC ↗ |
| 18 | Susquehanna International Group, Llp | 183.05K | +1716.7% | $3.42M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 19 | UBS Group AG | 179.93K | -45.1% | $3.36M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 20 | Millennium Management ✦ | 165.51K | -63.3% | $3.10M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 21 | Invesco Ltd. | 149.03K | -7.8% | $2.79M | 0.0% | ▼ Trim | 2 | SEC ↗ ×5 |
| 22 | Nuveen, LLC | 137.92K | -14.3% | $2.58M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 23 | Renaissance Technologies ✦ | 135.20K | +257.7% | $2.53M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 24 | Janus Henderson Group Plc | 130.40K | -38.7% | $2.44M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 25 | Rhumbline Advisers | 129.26K | -6.8% | $2.42M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 26 | Legal & General Group Plc | 101.73K | -10.8% | $1.90M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 27 | UBS AM, a distinct business unit of… | 97.58K | +0.1% | $1.82M | 0.0% | ▲ Add | 2 | SEC ↗ ×6 |
| 28 | Ameriprise Financial Inc | 82.01K | -5.9% | $1.53M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 29 | Alliancebernstein L.P. | 58.95K | +0.5% | $1.36M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 30 | Bank Of America Corp /De/ | 64.75K | -35.8% | $1.21M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 31 | Swiss National Bank | 64.00K | -3.0% | $1.20M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 32 | Quantinno Capital Management LP | 59.30K | New | $1.11M | 0.0% | New | 1 | SEC ↗ |
| 33 | Tudor Investment Corp Et Al | 52.11K | +14.3% | $974,457 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 34 | T. Rowe Price ✦ | 51.54K | -1.9% | $964,000 | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 35 | Prudential Financial Inc | 49.39K | +5.1% | $923,668 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 36 | Corient Private Wealth LP | 48.20K | New | $901,285 | 0.0% | New | 1 | SEC ↗ |
| 37 | Franklin Resources Inc | 36.66K | +6.5% | $685,616 | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 38 | JPMorgan Chase ✦ | 37.29K | -24.7% | $683,972 | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 39 | California State Teachers… | 31.82K | -3.6% | $595,015 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 40 | American Century Companies Inc | 29.44K | +7.5% | $550,565 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 41 | D. E. Shaw & Co. ✦ | 27.85K | +57.9% | $520,720 | 0.0% | ▲ Add | 6 | SEC ↗ ×2 |
| 42 | Man Group plc | 25.36K | New | $474,157 | 0.0% | New | 1 | SEC ↗ ×2 |
| 43 | Russell Investments Group, Ltd. | 24.11K | +469.1% | $450,837 | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 44 | Creative Planning | 23.57K | +24.2% | $440,666 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 45 | GAMCO Investors ✦ | 20.00K | +33.3% | $374,000 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 46 | Deutsche Bank Ag\ | 19.16K | -50.4% | $358,236 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 47 | State Of Wisconsin Investment Board | 19.08K | -4.4% | $356,833 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 48 | IMC-Chicago, LLC | 18.11K | New | $338,657 | 0.0% | New | 1 | SEC ↗ |
| 49 | Fidelity (FMR) ✦ | 17.17K | +3.6% | $321,051 | 0.0% | ▲ Add | 4 | SEC ↗ ×3 |
| 50 | Zurcher Kantonalbank (Zurich… | 16.93K | 0.0% | $316,610 | 0.0% | Held | 2 | SEC ↗ |
| 51 | Amundi | 16.29K | New | $304,642 | 0.0% | New | 1 | SEC ↗ |
| 52 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 16.08K | -30.5% | $300,677 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 53 | Wells Fargo & Company/Mn | 14.47K | -74.5% | $270,533 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 54 | State Board Of Administration Of… | 13.79K | 0.0% | $257,892 | 0.0% | Held | 2 | SEC ↗ |
| 55 | Bnp Paribas Financial Markets | 12.23K | -7.2% | $228,701 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 56 | Marshall Wace ✦ | 11.45K | -96.2% | $214,096 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 57 | Fifth Third Bancorp | 11.01K | +2867.1% | $205,850 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 58 | New York State Common Retirement… | 8.41K | -51.7% | $157,342 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 59 | Citigroup Inc | 7.05K | -30.4% | $131,816 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 60 | Barclays Plc | 6.59K | -91.5% | $123,196 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 61 | Royal Bank Of Canada | 4.74K | -37.6% | $88,000 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 62 | Group One Trading Llc | 3.70K | New | $69,246 | 0.0% | New | 1 | SEC ↗ |
| 63 | Pnc Financial Services Group, Inc. | 3.27K | -2.0% | $61,224 | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 64 | Simplex Trading, Llc | 2.49K | New | $46,525 | 0.0% | New | 1 | SEC ↗ |
| 65 | Us Bancorp \De\ | 1.70K | -26.2% | $31,734 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 66 | Cwm, Llc | 1.23K | -14.3% | $23,001 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 67 | BNP Paribas Asset Management… | 1.03K | +74.2% | $19,186 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 68 | Osaic Holdings, Inc. | 718 | -22.0% | $13,427 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 69 | Walleye Trading LLC | 449 | -97.8% | $8,396 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 70 | Jones Financial Companies Lllp | 365 | -3.2% | $6,530 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 71 | Rockefeller Capital Management L.P. | 47 | +74.1% | $879 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Point72 Asset Management | $15.39M | 0.0% |
| Squarepoint Ops LLC | $6.48M | 0.0% |
| Hrt Financial Lp | $4.12M | 0.0% |
| Quantinno Capital Management… | $1.11M | 0.0% |
| Corient Private Wealth LP | $901,285 | 0.0% |
| Man Group plc | $474,157 | 0.0% |
| IMC-Chicago, LLC | $338,657 | 0.0% |
| Amundi | $304,642 | 0.0% |
| Group One Trading Llc | $69,246 | 0.0% |
| Simplex Trading, Llc | $46,525 | 0.0% |
Exited
| Balyasny Asset Management L.P. | $35.59M | was 0.1% |
| Adage Capital Partners | $3.69M | was 0.0% |
| LMR Partners LLP | $3.66M | was 0.0% |
| Stifel Financial Corp | $2.37M | was 0.0% |
| Credit Agricole S A | $1.11M | was 0.0% |
| Allianz Asset Management GmbH | $676,883 | was 0.0% |
| AQR Capital Management | $353,091 | was 0.0% |
| Manufacturers Life Insurance… | $346,604 | was 0.0% |
| Assenagon Asset Management… | $319,404 | was 0.0% |
| ProShare Advisors LLC | $223,950 | was 0.0% |
| Voya Investment Management Llc | $204,785 | was 0.0% |
| Northwestern Mutual Wealth… | $2,309 | 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: Q1 2026 ·
Methodology ·
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