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Security record · archived quarter

STAA

STAAR Surgical Company · Healthcare · Medical - Instruments & Supplies

22.86 -1.4% mkt cap $1.14B quote delayed (FMP) · as of Aug 26 20:08 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
71Tracked holders
-2Δ holders
21.75MShares held
$407.04MReported value
+10New positions
−12Exits
Falling Conviction score 31/100 How these are computed → Explain this at the Research Desk →

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
QuarterHoldersΔSharesReported valueNewExits
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
Holder count
Who holds it · Q1 2026
#ManagerSharesΔ sharesValueTheir weightHeld
1 BlackRock (passive) 6.67M -9.4% $124.66M 0.0% ▼ Trim 4 SEC ↗
2 BlackRock (passive) 6.67M -9.4% $124.66M 0.0% ▼ Trim 4 SEC ↗
3 BlackRock (passive) 6.67M -9.4% $124.66M 0.0% ▼ Trim 4 SEC ↗
4 BlackRock (passive) 6.67M -9.4% $124.66M 0.0% ▼ Trim 4 SEC ↗
5 BlackRock (passive) 6.67M -9.4% $124.66M 0.0% ▼ Trim 4 SEC ↗
6 BlackRock (passive) 6.67M -9.4% $124.66M 0.0% ▼ Trim 4 SEC ↗
7 BlackRock (passive) 6.67M -9.4% $124.66M 0.0% ▼ Trim 4 SEC ↗
8 BlackRock (passive) 6.67M -9.4% $124.66M 0.0% ▼ Trim 4 SEC ↗
9 BlackRock (passive) 6.67M -9.4% $124.66M 0.0% ▼ Trim 4 SEC ↗
10 BlackRock (passive) 6.67M -9.4% $124.66M 0.0% ▼ Trim 4 SEC ↗
11 BlackRock (passive) 6.67M -9.4% $124.66M 0.0% ▼ Trim 4 SEC ↗
12 BlackRock (passive) 6.67M -9.4% $124.66M 0.0% ▼ Trim 4 SEC ↗
13 BlackRock (passive) 6.67M -9.4% $124.66M 0.0% ▼ Trim 4 SEC ↗
14 BlackRock (passive) 6.67M -9.4% $124.66M 0.0% ▼ Trim 4 SEC ↗
15 BlackRock (passive) 6.67M -9.4% $124.66M 0.0% ▼ Trim 4 SEC ↗
16 State Street Global Advisors (passive) 1.83M -5.5% $34.28M 0.0% ▼ Trim 6 SEC ↗
17 Vanguard Capital Management Llc 1.69M $31.61M 0.0% n/c 1 SEC ↗
18 Morgan Stanley 1.50M +61.4% $28.04M 0.0% ▲ Add 3 SEC ↗
19 Morgan Stanley 1.50M +61.4% $28.04M 0.0% ▲ Add 3 SEC ↗
20 Morgan Stanley 1.50M +61.4% $28.04M 0.0% ▲ Add 3 SEC ↗
21 Morgan Stanley 1.50M +61.4% $28.04M 0.0% ▲ Add 3 SEC ↗
22 Morgan Stanley 1.50M +61.4% $28.04M 0.0% ▲ Add 3 SEC ↗
23 Morgan Stanley 1.50M +61.4% $28.04M 0.0% ▲ Add 3 SEC ↗
24 Morgan Stanley 1.50M +61.4% $28.04M 0.0% ▲ Add 3 SEC ↗
25 Goldman Sachs Group 1.07M -48.5% $20.01M 0.0% ▼ Trim 3 SEC ↗
26 Goldman Sachs Group 1.07M -48.5% $20.01M 0.0% ▼ Trim 3 SEC ↗
27 Citadel Advisors 1.06M +416.5% $19.81M 0.0% ▲ Add 8 SEC ↗
28 Citadel Advisors 1.06M +416.5% $19.81M 0.0% ▲ Add 8 SEC ↗
29 Geode Capital Management (passive) 1.02M -16.0% $19.01M 0.0% ▼ Trim 8 SEC ↗
30 Geode Capital Management (passive) 1.02M -16.0% $19.01M 0.0% ▼ Trim 8 SEC ↗
31 Point72 Asset Management 823.15K New $15.39M 0.0% New 1 SEC ↗
32 Dimensional Fund Advisors Lp 820.78K +39.1% $15.35M 0.0% ▲ Add 2 SEC ↗
33 Dimensional Fund Advisors Lp 820.78K +39.1% $15.35M 0.0% ▲ Add 2 SEC ↗
34 Dimensional Fund Advisors Lp 820.78K +39.1% $15.35M 0.0% ▲ Add 2 SEC ↗
35 Dimensional Fund Advisors Lp 820.78K +39.1% $15.35M 0.0% ▲ Add 2 SEC ↗
36 Two Sigma Investments 559.59K +391.5% $10.46M 0.0% ▲ Add 5 SEC ↗
37 Jane Street Group, Llc 442.18K +34.5% $8.27M 0.0% ▲ Add 2 SEC ↗
38 Jane Street Group, Llc 442.18K +34.5% $8.27M 0.0% ▲ Add 2 SEC ↗
39 Jane Street Group, Llc 442.18K +34.5% $8.27M 0.0% ▲ Add 2 SEC ↗
40 Charles Schwab Investment… 408.58K -15.0% $7.64M 0.0% ▼ Trim 2 SEC ↗
41 Northern Trust Corp 400.22K -16.0% $7.48M 0.0% ▼ Trim 2 SEC ↗
42 Northern Trust Corp 400.22K -16.0% $7.48M 0.0% ▼ Trim 2 SEC ↗
43 Northern Trust Corp 400.22K -16.0% $7.48M 0.0% ▼ Trim 2 SEC ↗
44 Northern Trust Corp 400.22K -16.0% $7.48M 0.0% ▼ Trim 2 SEC ↗
45 Northern Trust Corp 400.22K -16.0% $7.48M 0.0% ▼ Trim 2 SEC ↗
46 Northern Trust Corp 400.22K -16.0% $7.48M 0.0% ▼ Trim 2 SEC ↗
47 Squarepoint Ops LLC 346.72K New $6.48M 0.0% New 1 SEC ↗
48 Principal Financial Group Inc 241.97K -8.1% $4.52M 0.0% ▼ Trim 2 SEC ↗
49 Principal Financial Group Inc 241.97K -8.1% $4.52M 0.0% ▼ Trim 2 SEC ↗
50 Bank of New York Mellon Corp 231.53K -14.6% $4.33M 0.0% ▼ Trim 2 SEC ↗
51 Bank of New York Mellon Corp 231.53K -14.6% $4.33M 0.0% ▼ Trim 2 SEC ↗
52 Bank of New York Mellon Corp 231.53K -14.6% $4.33M 0.0% ▼ Trim 2 SEC ↗
53 Bank of New York Mellon Corp 231.53K -14.6% $4.33M 0.0% ▼ Trim 2 SEC ↗
54 Bank of New York Mellon Corp 231.53K -14.6% $4.33M 0.0% ▼ Trim 2 SEC ↗
55 Bank of New York Mellon Corp 231.53K -14.6% $4.33M 0.0% ▼ Trim 2 SEC ↗
56 Hrt Financial Lp 220.41K New $4.12M 0.0% New 1 SEC ↗
57 Susquehanna International Group, Llp 183.05K +1716.7% $3.42M 0.0% ▲ Add 2 SEC ↗
58 UBS Group AG 179.93K -45.1% $3.36M 0.0% ▼ Trim 2 SEC ↗
59 UBS Group AG 179.93K -45.1% $3.36M 0.0% ▼ Trim 2 SEC ↗
60 UBS Group AG 179.93K -45.1% $3.36M 0.0% ▼ Trim 2 SEC ↗
61 Millennium Management 165.51K -63.3% $3.10M 0.0% ▼ Trim 8 SEC ↗
62 Invesco Ltd. 149.03K -7.8% $2.79M 0.0% ▼ Trim 2 SEC ↗
63 Invesco Ltd. 149.03K -7.8% $2.79M 0.0% ▼ Trim 2 SEC ↗
64 Invesco Ltd. 149.03K -7.8% $2.79M 0.0% ▼ Trim 2 SEC ↗
65 Invesco Ltd. 149.03K -7.8% $2.79M 0.0% ▼ Trim 2 SEC ↗
66 Invesco Ltd. 149.03K -7.8% $2.79M 0.0% ▼ Trim 2 SEC ↗
67 Nuveen, LLC 137.92K -14.3% $2.58M 0.0% ▼ Trim 2 SEC ↗
68 Nuveen, LLC 137.92K -14.3% $2.58M 0.0% ▼ Trim 2 SEC ↗
69 Renaissance Technologies 135.20K +257.7% $2.53M 0.0% ▲ Add 2 SEC ↗
70 Janus Henderson Group Plc 130.40K -38.7% $2.44M 0.0% ▼ Trim 2 SEC ↗
71 Rhumbline Advisers 129.26K -6.8% $2.42M 0.0% ▼ Trim 2 SEC ↗
72 Legal & General Group Plc 101.73K -10.8% $1.90M 0.0% ▼ Trim 2 SEC ↗
73 Legal & General Group Plc 101.73K -10.8% $1.90M 0.0% ▼ Trim 2 SEC ↗
74 Legal & General Group Plc 101.73K -10.8% $1.90M 0.0% ▼ Trim 2 SEC ↗
75 UBS AM, a distinct business unit of… 97.58K +0.1% $1.82M 0.0% ▲ Add 2 SEC ↗
76 UBS AM, a distinct business unit of… 97.58K +0.1% $1.82M 0.0% ▲ Add 2 SEC ↗
77 UBS AM, a distinct business unit of… 97.58K +0.1% $1.82M 0.0% ▲ Add 2 SEC ↗
78 UBS AM, a distinct business unit of… 97.58K +0.1% $1.82M 0.0% ▲ Add 2 SEC ↗
79 UBS AM, a distinct business unit of… 97.58K +0.1% $1.82M 0.0% ▲ Add 2 SEC ↗
80 UBS AM, a distinct business unit of… 97.58K +0.1% $1.82M 0.0% ▲ Add 2 SEC ↗
81 Ameriprise Financial Inc 82.01K -5.9% $1.53M 0.0% ▼ Trim 2 SEC ↗
82 Alliancebernstein L.P. 58.95K +0.5% $1.36M 0.0% ▲ Add 2 SEC ↗
83 Bank Of America Corp /De/ 64.75K -35.8% $1.21M 0.0% ▼ Trim 2 SEC ↗
84 Bank Of America Corp /De/ 64.75K -35.8% $1.21M 0.0% ▼ Trim 2 SEC ↗
85 Swiss National Bank 64.00K -3.0% $1.20M 0.0% ▼ Trim 2 SEC ↗
86 Quantinno Capital Management LP 59.30K New $1.11M 0.0% New 1 SEC ↗
87 Tudor Investment Corp Et Al 52.11K +14.3% $974,457 0.0% ▲ Add 2 SEC ↗
88 T. Rowe Price 51.54K -1.9% $964,000 0.0% ▼ Trim 8 SEC ↗
89 Prudential Financial Inc 49.39K +5.1% $923,668 0.0% ▲ Add 2 SEC ↗
90 Corient Private Wealth LP 48.20K New $901,285 0.0% New 1 SEC ↗
91 Franklin Resources Inc 36.66K +6.5% $685,616 0.0% ▲ Add 2 SEC ↗
92 Franklin Resources Inc 36.66K +6.5% $685,616 0.0% ▲ Add 2 SEC ↗
93 Franklin Resources Inc 36.66K +6.5% $685,616 0.0% ▲ Add 2 SEC ↗
94 JPMorgan Chase 37.29K -24.7% $683,972 0.0% ▼ Trim 3 SEC ↗
95 JPMorgan Chase 37.29K -24.7% $683,972 0.0% ▼ Trim 3 SEC ↗
96 JPMorgan Chase 37.29K -24.7% $683,972 0.0% ▼ Trim 3 SEC ↗
97 California State Teachers… 31.82K -3.6% $595,015 0.0% ▼ Trim 2 SEC ↗
98 American Century Companies Inc 29.44K +7.5% $550,565 0.0% ▲ Add 2 SEC ↗
99 D. E. Shaw & Co. 27.85K +57.9% $520,720 0.0% ▲ Add 6 SEC ↗
100 D. E. Shaw & Co. 27.85K +57.9% $520,720 0.0% ▲ Add 6 SEC ↗

“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%

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.

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: Q1 2026 · Methodology · Get this via the API