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Security record · archived quarter

STAA

STAAR Surgical Company · Healthcare · Medical - Instruments & Supplies

23.18 -0.3% mkt cap $1.15B quote delayed (FMP) · as of Aug 25 22:08 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
10Tracked holders
Δ holders
5.61MShares held
$267.04MReported value
+0New positions
−0Exits
How these are computed → Explain this at the Research Desk →

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 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 · Q2 2024
#ManagerSharesΔ sharesValueTheir weightHeld
1 Baillie Gifford 3.68M $175.32M 0.1% n/c 1 SEC ↗
2 Baillie Gifford 3.68M $175.32M 0.1% n/c 1 SEC ↗
3 Baillie Gifford 3.68M $175.32M 0.1% n/c 1 SEC ↗
4 Baillie Gifford 3.68M $175.32M 0.1% n/c 1 SEC ↗
5 Geode Capital Management (passive) 1.14M $54.44M 0.0% n/c 1 SEC ↗
6 Geode Capital Management (passive) 1.14M $54.44M 0.0% n/c 1 SEC ↗
7 Marshall Wace 179.70K $8.56M 0.0% n/c 1 SEC ↗
8 Marshall Wace 179.70K $8.56M 0.0% n/c 1 SEC ↗
9 Millennium Management 178.77K $8.51M 0.0% n/c 1 SEC ↗
10 Citadel Advisors 146.43K $6.97M 0.0% n/c 1 SEC ↗
11 Citadel Advisors 146.43K $6.97M 0.0% n/c 1 SEC ↗
12 D. E. Shaw & Co. 122.72K $5.84M 0.0% n/c 1 SEC ↗
13 Renaissance Technologies 68.40K $3.26M 0.0% n/c 1 SEC ↗
14 Bridgewater Associates 39.84K $1.90M 0.0% n/c 1 SEC ↗
15 T. Rowe Price 32.12K $1.53M 0.0% n/c 1 SEC ↗
16 Two Sigma Investments 14.97K $712,531 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

No new tracked buyers this quarter.

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: Q2 2024 · Methodology · Get this via the API