LEMAITRE VASCULAR INC LMAT
COM · Common Stock · CUSIP 525558201
- SectorHealth care
- IndustrySurgical & Medical Instruments & Apparatus
- HeadquartersBurlington, MA
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($21.9m this quarter). Holder counts are more reliable. Shares outstanding: 22.9m as of 2026-08-02, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $96.05. Options: 1 managers hold calls ($259.1k notional), 3 hold puts ($451.0k).
Trends to Q2 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 188 |
| Q4 2022 | 181 |
| Q1 2023 | 185 |
| Q2 2023 | 212 |
| Q3 2023 | 220 |
| Q4 2023 | 227 |
| Q1 2024 | 244 |
| Q2 2024 | 262 |
| Q3 2024 | 291 |
| Q4 2024 | 307 |
| Q1 2025 | 289 |
| Q2 2025 | 284 |
| Q3 2025 | 297 |
| Q4 2025 | 297 |
| Q1 2026 | 341 |
| Q2 2026 | 327 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q3 2024 | 149 | 111 |
| Q4 2024 | 146 | 122 |
| Q1 2025 | 126 | 164 |
| Q2 2025 | 140 | 127 |
| Q3 2025 | 146 | 128 |
| Q4 2025 | 132 | 140 |
| Q1 2026 | 187 | 127 |
| Q2 2026 | 168 | 146 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2025 | $490.1k | $0 | 0.00 |
| Q4 2025 | $0 | $219.0k | — |
| Q1 2026 | $393.0k | $786.0k | 2.00 |
| Q2 2026 | $259.1k | $451.0k | 1.74 |
Biggest buyers
| PRICE T ROWE ASSOCIATES INC /MD/ | Added | +460.1k |
| UBS Group AG | Added | +206.4k |
| GEODE CAPITAL MANAGEMENT, LLC | Added | +130.4k |
| CONGRESS ASSET MANAGEMENT CO | Added | +129.2k |
| BlackRock, Inc. | Added | +128.8k |
| Invesco Ltd. | Added | +114.4k |
| FIRST TRUST ADVISORS LP | Added | +95.4k |
| Select Equity Group, L.P. | Added | +80.5k |
| SEI INVESTMENTS CO | Added | +70.1k |
| Grandeur Peak Global Advisors, LLC | Added | +62.3k |
Biggest sellers
| Driehaus Capital Management LLC | Sold out | -197.2k |
| GENEVA CAPITAL MANAGEMENT LLC | Reduced | -164.9k |
| Conestoga Capital Advisors, LLC | Reduced | -109.3k |
| MARSHALL WACE, LLP | Reduced | -93.8k |
| Aptus Capital Advisors, LLC | Sold out | -68.5k |
| Bahl & Gaynor LLC | Reduced | -59.7k |
| MORGAN STANLEY | Reduced | -56.7k |
| Summit Creek Advisors LLC | Reduced | -56.5k |
| CITADEL ADVISORS LLC | Reduced | -54.2k |
| JANE STREET GROUP, LLC | Sold out | -52.7k |
Biggest calls
| CITADEL ADVISORS LLC | Reduced | $259.1k2.7k shares |
Biggest puts
| CITADEL ADVISORS LLC | Added | $316.7k3.3k shares |
| SIMPLEX TRADING, LLC | New | $124.7k1.3k shares |
| GROUP ONE TRADING LLC | New | $9.6k100 shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| BlackRock, Inc. 13G · institution -3.6 pts · filed 2025-04-29 | 13.8% |
| Conestoga Capital Advisors, LLC 13G · institution no change · filed 2026-01-09 | 8.1% |
| LeMaitre George W 13G · exempt (held before listing) -1.0 pts · filed 2026-05-14 | 6.4% |
| Copeland Capital Management, LLC 13G · institution new · filed 2025-01-24 | 5.2% |
| FIRST TRUST PORTFOLIOS LP 13G · institution new · filed 2026-07-27 | 5.2% |
Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-27)
Insider purchases and sales since 1 Apr 2026
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q4 2024 | 0 | — | 3 | $552.5k | — |
| Q1 2025 | 0 | — | 2 | $814.1k | — |
| Q2 2025 | 0 | — | 2 | $8.9m | — |
| Q3 2025 | 0 | — | 5 | $11.4m | $9.4m |
| Q4 2025 | 0 | — | 0 | — | — |
| Q1 2026 | 0 | — | 3 | $23.7m | $22.0m |
| Q2 2026 | 0 | — | 4 | $6.3m | — |
| Q3 2026 | 0 | — | 0 | — | — |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2026-05-08 | LeMaitre George W Chairman and CEO, director | Sold | $3.0m27.9k shares |
| 2026-05-08 | Kamke Trent G Senior V. P., Operations | Sold | $313.3k2.9k shares |
| 2026-05-07 | LeMaitre George W Chairman and CEO, director | Sold | $2.0m18.6k shares |
| 2026-05-07 | Ross Bridget A Director | Sold | $560.4k5.0k shares |
| 2026-05-07 | Jasinski Lawrence J Director | Sold | $433.7k3.9k shares |
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q2 2026
| Manager | Shares | Change |
|---|---|---|
| BlackRock, Inc. 0.00% of their portfolio | 3.3m $314.1m | Added +128.8k |
| Conestoga Capital Advisors, LLC 2.85% of their portfolio | 1.4m $131.2m | Reduced -109.3k |
| FIRST TRUST ADVISORS LP 0.06% of their portfolio | 1.1m $104.9m | Added +95.4k |
| CONGRESS ASSET MANAGEMENT CO 0.57% of their portfolio | 963.7k $92.5m | Added +129.2k |
| VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 953.4k $91.5m | Added +41.4k |
| STATE STREET CORP 0.00% of their portfolio | 901.4k $86.5m | Added +45.6k |
| Copeland Capital Management, LLC 1.65% of their portfolio | 839.5k $80.6m | Reduced -31.2k |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 788.8k $75.7m | Added +130.4k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.01% of their portfolio | 755.1k $72.5m | Added +460.1k |
| VANGUARD PORTFOLIO MANAGEMENT LLC 0.00% of their portfolio | 604.8k $58.0m | Added +42.1k |
| GENEVA CAPITAL MANAGEMENT LLC 1.30% of their portfolio | 589.1k $56.5m | Reduced -164.9k |
| DIMENSIONAL FUND ADVISORS LP 0.01% of their portfolio | 493.9k $47.4m | Added +17.6k |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 473.2k $45.4m | Added +40.8k |
| Invesco Ltd. 0.00% of their portfolio | 448.4k $43.0m | Added +114.4k |
| MORGAN STANLEY 0.00% of their portfolio | 351.1k $33.7m | Reduced -56.7k |
| NORTHERN TRUST CORP 0.00% of their portfolio | 333.3k $32.0m | Added +20.8k |
| TWO SIGMA INVESTMENTS, LP 0.02% of their portfolio | 316.5k $30.4m | Added +34.5k |
| ROYAL BANK OF CANADA 0.01% of their portfolio | 308.8k $29.6m | Added +36.1k |
| Annex Advisory Services, LLC 0.41% of their portfolio | 248.3k $23.8m | Reduced -2.4k |
| UBS Group AG 0.00% of their portfolio | 247.8k $23.8m | Added +206.4k |
| ENVESTNET ASSET MANAGEMENT INC 0.01% of their portfolio | 244.7k $23.5m | Reduced -29.7k |
| KENNEDY CAPITAL MANAGEMENT LLC 0.39% of their portfolio | 228.9k $22.0m | Reduced -7.8k |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 0.07% of their portfolio | 220.5k $21.2m | Reduced -10.2k |
| BESSEMER GROUP INC 0.03% of their portfolio | 220.3k $21.1m | Added +48.5k |
| Ranger Investment Management, L.P. 1.33% of their portfolio | 219.3k $21.0m | Reduced -19.1k |
| SEI INVESTMENTS CO 0.02% of their portfolio | 206.8k $19.8m | Added +70.1k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 206.3k $19.8m | Added +8.3k |
| RICE HALL JAMES & ASSOCIATES, LLC 0.89% of their portfolio | 189.9k $18.2m | Added +5.2k |
| Select Equity Group, L.P. 0.09% of their portfolio | 181.0k $17.4m | Added +80.5k |
| Bank of New York Mellon Corp 0.00% of their portfolio | 172.5k $16.5m | Added +5.1k |
| RENAISSANCE TECHNOLOGIES LLC 0.02% of their portfolio | 169.5k $16.3m | Added +31.0k |
| DF DENT & CO INC 0.30% of their portfolio | 167.1k $16.0m | Added +1.7k |
| Grandeur Peak Global Advisors, LLC 3.58% of their portfolio | 161.0k $15.5m | Added +62.3k |
| OBERWEIS ASSET MANAGEMENT INC/ 0.31% of their portfolio | 158.5k $15.2m | Added +9.9k |
| Russell Investments Group, Ltd. 0.01% of their portfolio | 157.3k $15.1m | Reduced -8.5k |
| FIFTH THIRD BANCORP 0.02% of their portfolio | 155.3k $14.9m | Reduced -5.8k |
| Qube Research & Technologies Ltd 0.02% of their portfolio | 154.9k $14.9m | Added +14.0k |
| VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio | 152.3k $14.6m | Added +7.6k |
| AMERIPRISE FINANCIAL INC 0.00% of their portfolio | 148.6k $14.3m | Added +205 |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 140.9k $13.5m | Reduced -39.2k |
| PRINCIPAL FINANCIAL GROUP INC 0.01% of their portfolio | 120.0k $11.5m | Added +2.1k |
| CRAWFORD INVESTMENT COUNSEL INC 0.18% of their portfolio | 114.1k $10.9m | Added +2.2k |
| Rockefeller Capital Management L.P. 0.02% of their portfolio | 107.2k $10.3m | Reduced -19.9k |
| OSAIC HOLDINGS, INC. 0.01% of their portfolio | 92.0k $8.8m | Reduced -1.5k |
| TUDOR INVESTMENT CORP ET AL 0.04% of their portfolio | 88.9k $8.5m | Added +55.8k |
| RIVERBRIDGE PARTNERS LLC 0.24% of their portfolio | 88.5k $8.5m | Reduced -17.1k |
| Bridge City Capital, LLC 1.89% of their portfolio | 86.3k $8.3m | Added +16.0k |
| FEDERATED HERMES, INC. 0.01% of their portfolio | 82.5k $7.9m | Added +21.0k |
| Vest Financial, LLC 0.08% of their portfolio | 76.9k $7.4m | Added +1.4k |
| ProShare Advisors LLC 0.01% of their portfolio | 75.3k $7.2m | Added +14.3k |
| Public Sector Pension Investment Board 0.02% of their portfolio | 72.3k $6.9m | Reduced -2.4k |
| AXIOM INVESTORS LLC /DE 0.06% of their portfolio | 69.3k $6.6m | Added +13.8k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 68.9k $6.7m | Reduced -39.2k |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 68.5k $6.6m | Reduced -4.8k |
| STIFEL FINANCIAL CORP 0.01% of their portfolio | 65.4k $6.3m | Reduced -1.3k |
| DIVIDEND ASSETS CAPITAL, LLC 1.21% of their portfolio | 65.3k $6.3m | Added +6.2k |
| Bahl & Gaynor LLC 0.03% of their portfolio | 64.8k $6.2m | Reduced -59.7k |
| LAZARD ASSET MANAGEMENT LLC 0.01% of their portfolio | 61.3k $5.9m | Added +11.0k |
| MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC 0.05% of their portfolio | 55.6k $5.3m | Reduced -2.7k |
| PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO 0.02% of their portfolio | 54.2k $5.2m | New |
| SEGALL BRYANT & HAMILL, LLC 0.06% of their portfolio | 52.6k $5.0m | Added +344 |
| AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio | 51.7k $5.0m | Added +5.4k |
| Legal & General Group Plc 0.00% of their portfolio | 50.4k $4.8m | Added +3.2k |
| Nuveen, LLC 0.00% of their portfolio | 49.4k $4.7m | Added +3.8k |
| Trexquant Investment LP 0.03% of their portfolio | 49.3k $4.7m | Reduced -16.7k |
| Summit Creek Advisors LLC 1.61% of their portfolio | 49.2k $4.7m | Reduced -56.5k |
| Linden Thomas Advisory Services, LLC 0.37% of their portfolio | 47.3k $4.5m | Added +1.4k |
| CHATHAM CAPITAL GROUP, INC. 0.57% of their portfolio | 46.5k $4.5m | Added +2.7k |
| CITADEL ADVISORS LLC 0.00% of their portfolio | 42.8k $4.1m | Reduced -54.2k |
| Swiss National Bank 0.00% of their portfolio | 41.2k $4.0m | Reduced -1.3k |
| Susquehanna Portfolio Strategies, LLC 0.06% of their portfolio | 40.4k $3.9m | Added +16.1k |
| NEEDHAM INVESTMENT MANAGEMENT LLC 0.12% of their portfolio | 40.0k $3.8m | Unchanged |
| Quantinno Capital Management LP 0.00% of their portfolio | 37.7k $3.6m | Added +14.4k |
| MARSHALL WACE, LLP 0.00% of their portfolio | 37.4k $3.6m | Reduced -93.8k |
| D. E. Shaw & Co., Inc. 0.00% of their portfolio | 36.5k $3.5m | Reduced -47.2k |
| Emerald Investment Advisers, LLC 0.23% of their portfolio | 36.4k $3.5m | Added +1.4k |
| XTX Topco Ltd 0.04% of their portfolio | 35.8k $3.4m | Added +32.7k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 31.0k $3.0m | Reduced -3.9k |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 30.5k $3.3m | Added +4.0k |
| Cetera Investment Advisers 0.00% of their portfolio | 29.6k $2.8m | Reduced -1.9k |
| Man Group plc 0.01% of their portfolio | 29.4k $2.8m | Added +1.0k |
| SG Capital Management LLC 0.25% of their portfolio | 28.7k $2.8m | New |
| OAK RIDGE INVESTMENTS LLC 0.15% of their portfolio | 28.0k $2.7m | Added +8.8k |
| RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio | 27.0k $2.6m | Reduced -895 |
| NATIONS FINANCIAL GROUP INC, /IA/ /ADV 0.12% of their portfolio | 26.3k $2.5m | Added +521 |
| Squarepoint Ops LLC 0.00% of their portfolio | 25.8k $2.5m | Reduced -28.4k |
| Corient Private Wealth LP 0.00% of their portfolio | 25.6k $2.5m | Added +9.9k |
| Jefferies Financial Group Inc. 0.02% of their portfolio | 25.5k $2.5m | Added +15.9k |
| PERKINS CAPITAL MANAGEMENT INC 1.83% of their portfolio | 25.3k $2.4m | Reduced -480 |
| JOHNSON INVESTMENT COUNSEL INC 0.02% of their portfolio | 24.3k $2.3m | Added +230 |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 24.1k $2.3m | Added +3.7k |
| NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio | 23.9k $2.3m | Added +4.4k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 23.8k $2.3m | Added +3.8k |
| Riverwater Partners LLC 0.64% of their portfolio | 22.6k $2.2m | Added +322 |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 22.3k $2.1m | Reduced -8.3k |
| PRUDENTIAL FINANCIAL INC 0.00% of their portfolio | 22.0k $2.1m | Added +345 |
| CITIGROUP INC 0.00% of their portfolio | 21.2k $2.0m | Added +8.8k |
| Y-Intercept (Hong Kong) Ltd 0.04% of their portfolio | 20.9k $2.0m | New |
| AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 20.6k $2.0m | Added +221 |
| ALGERT GLOBAL LLC 0.02% of their portfolio | 20.4k $2.0m | Reduced -9.1k |