Ticker · CUSIP 525558201
Holders (tracked)
9
Combined shares
918,740
Combined value
$74.51M
Last close
$114.36
Quarter
2025Q4
Price · 1Y$114.36+28.86 (+33.76%)H $117.39 · L $77.99 · Avg Vol 182K
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
Price is +41.0% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
15 events
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−28,779 shares · 2025Q4Position
- D.E. Shaw & Co. trimmed2026-02-17−3,902 shares · 2025Q4Position
- Two Sigma Investments added2026-02-17+79,837 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) added2026-02-17+24,794 shares · 2025Q4Position
- T. Rowe Price trimmed2026-02-17−238,310 shares · 2025Q4Position
- +93,422 shares · 2025Q4Position
- AQR Capital Management trimmed2026-02-17−2,177 shares · 2025Q4Position
- Renaissance Technologies trimmed2026-02-12−100 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−183,180 shares · 2025Q3Position
- Two Sigma Investments added2025-11-14+21,306 shares · 2025Q3Position
- AQR Capital Management trimmed2025-11-14−6,162 shares · 2025Q3Position
- D.E. Shaw & Co. added2025-11-14+34,408 shares · 2025Q3Position
- T. Rowe Price added2025-11-14+240,652 shares · 2025Q3Position
- Renaissance Technologies added2025-11-13+21,902 shares · 2025Q3Position
- Norges Bank (Norway SWF) opened position2025-11-12+98,278 shares · 2024Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of LMAT…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
| Investor | First in | Cost basis | Return | Position value today |
|---|---|---|---|---|
| Renaissance Technologies | 2016Q1 | $64.64 | +76.9% | $20.6M |
| AQR Capital Management | 2016Q1 | $70.70 | +61.8% | $2.2M |
| Two Sigma Investments | 2016Q1 | $81.52 | +40.3% | $16.4M |
| Izzy Englander (Millennium Mgmt) | 2016Q1 | $81.80 | +39.8% | $15.1M |
| Paul Tudor Jones (Tudor Investment) | 2019Q2 | $82.21 | +39.1% | $10.7M |
| T. Rowe Price | 2016Q4 | $84.31 | +35.6% | $33.2M |
| D.E. Shaw & Co. | 2016Q3 | $85.88 | +33.2% | $4.9M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $87.31 | +31.0% | $309K |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $87.31 | +31.0% | $309K |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions1
- Paul Tudor Jones (Tudor Investment)+93,422$7.6M
Added to2
- Two Sigma Investments+79,837$6.5M
- Izzy Englander (Millennium Mgmt)+24,794$2.0M
Trimmed5
- Ken Griffin (Citadel Advisors)−28,779$2.3M
- D.E. Shaw & Co.−3,902$316K
- AQR Capital Management−2,177$177K
- T. Rowe Price−238,310$19K
- Renaissance Technologies−100$8K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 8 | $168.4M |
| 2022Q2 | 8 | $155.2M |
| 2022Q3 | 8 | $175.2M |
| 2022Q4 | 6 | $156.3M |
| 2023Q1 | 11 | $174.9M |
| 2023Q2 | 12 | $248.8M |
| 2023Q3 | 13 | $196.8M |
| 2023Q4 | 11 | $205.4M |
| 2024Q1 | 11 | $249.8M |
| 2024Q2 | 11 | $341.5M |
| 2024Q3 | 12 | $71.7M |
| 2024Q4 | 11 | $64.0M |
| 2025Q1 | 10 | $70.8M |
| 2025Q2 | 7 | $69.9M |
| 2025Q3 | 8 | $87.0M |
| 2025Q4 | 9 | $74.5M |
Who owns LMAT
9 super-investors · 2025Q4
Tracked stake
918.7K
shares
Combined value
$75M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Added2Trim6
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | T. Rowe Price | 290.1K | $24M |
| 2 | Renaissance Technologies | 180.5K | $15M |
| 3 | Two Sigma Investments | 143.3K | $12M |
| 4 | Izzy Englander Millennium Mgmt | 131.9K | $11M |
| 5 | Paul Tudor Jones Tudor Investment | 93.4K | $8M |
| 6 | D.E. Shaw & Co. | 42.8K | $3M |
| 7 | AQR Capital Management | 19.0K | $2M |
| 8 | Ken Griffin Citadel Advisors | 15.0K | $1M |
| 9 | Ken Griffin Citadel Advisors | 2.7K | $219K |
Recent moves
20 transactions
- +93,422 · 2025Q4
- +24,794 · 2025Q4
- −28,779 · 2025Q4
- TRIMT. Rowe Price−238,310 · 2025Q4
- −2,177 · 2025Q4
- TRIMD.E. Shaw & Co.−3,902 · 2025Q4
- +79,837 · 2025Q4
- −100 · 2025Q4
- +21,306 · 2025Q3
- −183,180 · 2025Q3
- +240,652 · 2025Q3
- −6,162 · 2025Q3
- +34,408 · 2025Q3
- +21,902 · 2025Q3
- +98,278 · 2024Q3
- TRIMD.E. Shaw & Co.−42,716 · 2025Q2
- +1,992 · 2025Q2
- +27,624 · 2025Q2
- +79,095 · 2025Q2
- −37,219 · 2025Q2
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