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Security record · archived quarter

STAA

STAAR Surgical Company · Healthcare · Medical - Instruments & Supplies

22.80 -1.7% mkt cap $1.13B quote delayed (FMP) · as of Aug 26 15:08 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
10Tracked holders
-2Δ holders
5.93MShares held
$144.12MReported value
+1New positions
−3Exits
Strongly Falling Conviction score 19/100 How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth -16.7% · share flow -21.6% · net new positions -20.0%formula
Broad distribution — falling shares and fewer holders

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2024

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 · Q4 2024
#ManagerSharesΔ sharesValueTheir weightHeld
1 State Street Global Advisors (passive) 2.05M $49.86M 0.0% n/c 1 SEC ↗
2 Geode Capital Management (passive) 1.17M 0.0% $28.54M 0.0% ▲ Add 3 SEC ↗
3 Geode Capital Management (passive) 1.17M 0.0% $28.54M 0.0% ▲ Add 3 SEC ↗
4 Baillie Gifford 1.15M -21.0% $28.03M 0.0% ▼ Trim 3 SEC ↗
5 Baillie Gifford 1.15M -21.0% $28.03M 0.0% ▼ Trim 3 SEC ↗
6 Baillie Gifford 1.15M -21.0% $28.03M 0.0% ▼ Trim 3 SEC ↗
7 Baillie Gifford 1.15M -21.0% $28.03M 0.0% ▼ Trim 3 SEC ↗
8 Millennium Management 759.14K -9.9% $18.44M 0.0% ▼ Trim 3 SEC ↗
9 Citadel Advisors 321.52K -65.6% $7.81M 0.0% ▼ Trim 3 SEC ↗
10 Citadel Advisors 321.52K -65.6% $7.81M 0.0% ▼ Trim 3 SEC ↗
11 Marshall Wace 152.55K -55.7% $3.71M 0.0% ▼ Trim 3 SEC ↗
12 Marshall Wace 152.55K -55.7% $3.71M 0.0% ▼ Trim 3 SEC ↗
13 Marshall Wace 152.55K -55.7% $3.71M 0.0% ▼ Trim 3 SEC ↗
14 Marshall Wace 152.55K -55.7% $3.71M 0.0% ▼ Trim 3 SEC ↗
15 Renaissance Technologies 138.10K -54.6% $3.35M 0.0% ▼ Trim 3 SEC ↗
16 AQR Capital Management 94.88K +4.6% $2.30M 0.0% ▲ Add 2 SEC ↗
17 AQR Capital Management 94.88K +4.6% $2.30M 0.0% ▲ Add 2 SEC ↗
18 D. E. Shaw & Co. 50.25K New $1.22M 0.0% New 1 SEC ↗
19 T. Rowe Price 35.61K +9.4% $866,000 0.0% ▲ Add 3 SEC ↗

“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.

New buyers

D. E. Shaw & Co. $1.22M 0.0%

Exited

Norges Bank $10.12M was 0.0%
Two Sigma Investments $1.39M was 0.0%
Bridgewater Associates $716,289 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: Q4 2024 · Methodology · Get this via the API