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Security record · archived quarter

STAA

STAAR Surgical Company · Healthcare · Medical - Instruments & Supplies

21.50 -2.3% mkt cap $1.07B quote delayed (FMP) · as of Oct 13 22:08 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
73Tracked holders
+2Δ holders
25.59MShares held
$590.84MReported value
+2New positions
−0Exits
Rising Conviction score 59/100 3 quarters of rising tracked shares ●●●○○○ How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth +2.8% · share flow +10.1% · net new positions +2.7% — formula
Broad accumulation — rising shares across more holders

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2025

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
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 —
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 — —
Holder count
Who holds it · Q4 2025
#ManagerSharesΔ sharesValueTheir weightHeld
1 BlackRock ✦ (passive) 7.36M +1.4% $169.95M 0.0% ▲ Add 3 SEC ↗ ×15
2 The Vanguard Group ✦ (passive) 4.23M -1.0% $97.59M 0.0% ▼ Trim 3 SEC ↗ ×5
3 Goldman Sachs Group ✦ 2.08M +112.7% $47.95M 0.0% ▲ Add 2 SEC ↗ ×2
4 State Street Global Advisors ✦ (passive) 1.94M +1.5% $44.80M 0.0% ▲ Add 5 SEC ↗
5 Balyasny Asset Management L.P. 1.54M — $35.59M 0.1% n/c 1 SEC ↗
6 Geode Capital Management ✦ (passive) 1.21M +3.1% $27.96M 0.0% ▲ Add 7 SEC ↗ ×2
7 Morgan Stanley ✦ 928.91K +87.1% $21.45M 0.0% ▲ Add 2 SEC ↗ ×7
8 Dimensional Fund Advisors Lp 590.20K — $13.63M 0.0% n/c 1 SEC ↗ ×4
9 Charles Schwab Investment… 480.60K — $11.10M 0.0% n/c 1 SEC ↗
10 Northern Trust Corp 476.70K — $11.01M 0.0% n/c 1 SEC ↗ ×7
11 Millennium Management ✦ 451.29K +285.7% $10.42M 0.0% ▲ Add 7 SEC ↗
12 Jane Street Group, Llc 328.81K — $7.59M 0.0% n/c 1 SEC ↗ ×3
13 UBS Group AG 327.85K — $7.57M 0.0% n/c 1 SEC ↗ ×4
14 Marshall Wace ✦ 300.58K +136.2% $6.94M 0.0% ▲ Add 2 SEC ↗ ×3
15 Bank of New York Mellon Corp 271.19K — $6.26M 0.0% n/c 1 SEC ↗ ×7
16 Principal Financial Group Inc 263.29K — $6.08M 0.0% n/c 1 SEC ↗ ×2
17 Janus Henderson Group Plc 212.69K — $4.91M 0.0% n/c 1 SEC ↗
18 Citadel Advisors ✦ 205.12K +43.0% $4.74M 0.0% ▲ Add 7 SEC ↗ ×2
19 Invesco Ltd. 161.55K — $3.73M 0.0% n/c 1 SEC ↗ ×5
20 Nuveen, LLC 161.00K — $3.72M 0.0% n/c 1 SEC ↗ ×2
21 Adage Capital Partners ✦ 159.76K New $3.69M 0.0% New 1 SEC ↗
22 LMR Partners LLP 158.61K — $3.66M 0.0% n/c 1 SEC ↗
23 Rhumbline Advisers 138.65K — $3.20M 0.0% n/c 1 SEC ↗
24 Legal & General Group Plc 114.07K — $2.63M 0.0% n/c 1 SEC ↗ ×3
25 Two Sigma Investments ✦ 113.86K 0.0% $2.63M 0.0% Held 4 SEC ↗
26 Stifel Financial Corp 102.83K — $2.37M 0.0% n/c 1 SEC ↗ ×2
27 Bank Of America Corp /De/ 100.77K — $2.33M 0.0% n/c 1 SEC ↗ ×5
28 UBS AM, a distinct business unit of… 97.53K — $2.25M 0.0% n/c 1 SEC ↗ ×6
29 Ameriprise Financial Inc 87.19K — $2.01M 0.0% n/c 1 SEC ↗
30 Barclays Plc 77.84K — $1.80M 0.0% n/c 1 SEC ↗ ×2
31 Swiss National Bank 66.00K — $1.52M 0.0% n/c 1 SEC ↗
32 Alliancebernstein L.P. 58.67K — $1.35M 0.0% n/c 1 SEC ↗
33 Wells Fargo & Company/Mn 56.65K — $1.31M 0.0% n/c 1 SEC ↗ ×3
34 T. Rowe Price ✦ 52.53K +2.4% $1.21M 0.0% ▲ Add 7 SEC ↗
35 JPMorgan Chase ✦ 49.51K -39.2% $1.14M 0.0% ▼ Trim 2 SEC ↗ ×5
36 Credit Agricole S A 48.00K — $1.11M 0.0% n/c 1 SEC ↗
37 Prudential Financial Inc 47.00K — $1.09M 0.0% n/c 1 SEC ↗
38 Tudor Investment Corp Et Al 45.60K — $1.05M 0.0% n/c 1 SEC ↗
39 Deutsche Bank Ag\ 38.59K — $890,950 0.0% n/c 1 SEC ↗ ×2
40 Renaissance Technologies ✦ 37.80K New $872,802 0.0% New 1 SEC ↗
41 Franklin Resources Inc 34.44K — $795,151 0.0% n/c 1 SEC ↗ ×3
42 California State Teachers… 33.03K — $762,570 0.0% n/c 1 SEC ↗
43 Allianz Asset Management GmbH 29.32K — $676,883 0.0% n/c 1 SEC ↗
44 American Century Companies Inc 27.37K — $632,066 0.0% n/c 1 SEC ↗
45 MIRAE ASSET GLOBAL ETFS HOLDINGS… 23.15K — $534,510 0.0% n/c 1 SEC ↗
46 Walleye Trading LLC 20.45K — $472,075 0.0% n/c 1 SEC ↗
47 State Of Wisconsin Investment Board 19.96K — $460,784 0.0% n/c 1 SEC ↗
48 Creative Planning 18.97K — $438,087 0.0% n/c 1 SEC ↗
49 D. E. Shaw & Co. ✦ 17.64K -1.6% $407,238 0.0% ▼ Trim 5 SEC ↗
50 New York State Common Retirement… 17.41K — $402,089 0.0% n/c 1 SEC ↗
51 Zurcher Kantonalbank (Zurich… 16.93K — $390,937 0.0% n/c 1 SEC ↗
52 Fidelity (FMR) ✦ 16.57K -73.1% $382,600 0.0% ▼ Trim 3 SEC ↗ ×4
53 AQR Capital Management ✦ 15.29K +1.1% $353,091 0.0% ▲ Add 2 SEC ↗ ×5
54 Manufacturers Life Insurance… 15.01K — $346,604 0.0% n/c 1 SEC ↗
55 GAMCO Investors ✦ 15.00K +36.4% $346,350 0.0% ▲ Add 2 SEC ↗
56 Assenagon Asset Management S.A. 13.83K — $319,404 0.0% n/c 1 SEC ↗
57 State Board Of Administration Of… 13.79K — $318,434 0.0% n/c 1 SEC ↗
58 Bnp Paribas Financial Markets 13.17K — $304,141 0.0% n/c 1 SEC ↗
59 Citigroup Inc 10.13K — $234,017 0.0% n/c 1 SEC ↗ ×2
60 Susquehanna International Group, Llp 10.08K — $232,655 0.0% n/c 1 SEC ↗
61 ProShare Advisors LLC 9.70K — $223,950 0.0% n/c 1 SEC ↗
62 Voya Investment Management Llc 8.87K — $204,785 0.0% n/c 1 SEC ↗
63 Royal Bank Of Canada 7.59K — $175,000 0.0% n/c 1 SEC ↗ ×4
64 Russell Investments Group, Ltd. 4.24K — $97,809 0.0% n/c 1 SEC ↗ ×2
65 Pnc Financial Services Group, Inc. 3.34K — $77,144 0.0% n/c 1 SEC ↗ ×4
66 Us Bancorp \De\ 2.30K — $53,130 0.0% n/c 1 SEC ↗ ×2
67 Cwm, Llc 1.44K — $33,000 0.0% n/c 1 SEC ↗
68 Osaic Holdings, Inc. 921 — $21,265 0.0% n/c 1 SEC ↗
69 BNP Paribas Asset Management… 589 — $14,000 0.0% n/c 1 SEC ↗
70 Jones Financial Companies Lllp 377 — $8,705 0.0% n/c 1 SEC ↗
71 Fifth Third Bancorp 371 — $8,566 0.0% n/c 1 SEC ↗
72 Northwestern Mutual Wealth… 100 — $2,309 0.0% n/c 1 SEC ↗
73 Rockefeller Capital Management L.P. 27 — $623 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

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.

Beneficial ownership
Aug 14 SC 13G/A — Madison Avenue Partners, LP

View original SEC filing ↗

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: Q4 2025 · Methodology · Get this via the API