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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 22:08 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
8Tracked holders
-2Δ holders
3.84MShares held
$67.78MReported value
+1New positions
−3Exits
Strongly Falling Conviction score 9/100 How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth -20.0% · share flow -30.0% · 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 Q1 2025

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 2025
#ManagerSharesΔ sharesValueTheir weightHeld
1 State Street Global Advisors (passive) 1.99M -2.8% $35.17M 0.0% ▼ Trim 2 SEC ↗
2 Geode Capital Management (passive) 1.19M +1.3% $20.98M 0.0% ▲ Add 4 SEC ↗
3 Geode Capital Management (passive) 1.19M +1.3% $20.98M 0.0% ▲ Add 4 SEC ↗
4 Citadel Advisors 247.49K -23.0% $4.36M 0.0% ▼ Trim 4 SEC ↗
5 Citadel Advisors 247.49K -23.0% $4.36M 0.0% ▼ Trim 4 SEC ↗
6 Millennium Management 175.98K -76.8% $3.10M 0.0% ▼ Trim 4 SEC ↗
7 Two Sigma Investments 88.40K New $1.56M 0.0% New 1 SEC ↗
8 Renaissance Technologies 65.40K -52.6% $1.15M 0.0% ▼ Trim 4 SEC ↗
9 T. Rowe Price 41.73K +17.2% $736,000 0.0% ▲ Add 4 SEC ↗
10 D. E. Shaw & Co. 40.78K -18.9% $718,916 0.0% ▼ Trim 2 SEC ↗

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

New buyers

Two Sigma Investments $1.56M 0.0%

Exited

Baillie Gifford $28.03M was 0.0%
Marshall Wace $3.71M was 0.0%
AQR Capital Management $2.30M 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 2025 · Methodology · Get this via the API