Who owns LeMaitre Vascular (LMAT)
Which tracked institutional funds hold LMAT, how they are positioned, and who is buying versus exiting — from SEC Form 13F-HR filings. See LMAT company fundamentals →
Ownership as of the 2026-Q2 13F filings (latest filed 2026-09-22). 13F is disclosed up to 45 days after quarter-end, so the most recent quarter fills in over the following weeks.
How the tape is positioned
The tracked-fund tape on LMAT is one-sided between 2026-Q1 and 2026-Q2: 35 added or opened and 108 trimmed or exited — on balance reducing.
A prompt to read the filings, not a verdict. 13F is a quarter-end snapshot disclosed up to 45 days late; a fund adds or exits for mandate, benchmark, and timing reasons that have nothing to do with a view on the stock. This is a starting question, not a signal to trade.
Conviction spread
LMAT’s largest tracked holder by dollar value, BlackRock, Inc., sizes it at 0.0% of its own reported 13F book, while the median holder sizes it at 0.0% of theirs — a 0.0pp gap the other way — the median holder sizes LMAT more heavily than its largest holder by dollar value does.
Book-share is each fund’s reported value in LMAT divided by its whole reported 13F book, so it is comparable across funds of different sizes and is unaffected by stock splits. A higher share means a fund has committed more of its book to the name — a starting question about conviction, not a verdict or a signal to trade.
Institutional & insider positioning
Between 2026-Q1 and 2026-Q2, across 306 tracked filers holding LMAT, 162 increased or opened the position and 159 reduced or closed it; over the same quarter, open-market insider Form 4s were net sales.
This fuses two public signals for the same quarter — how tracked institutions changed their positions and whether insiders bought or sold in the open market. It describes what was filed; it is a starting question, not a verdict or a signal to trade.
New buyers & exits
Funds opening or closing a position in LMAT between the 2026-Q1 and 2026-Q2 13F filings, and the largest changes among funds holding it in both. New buyers and exits are counted on fund presence (split-invariant); adds and trims are measured on reported value.
New buyers 8
- ABSOLUTE INVESTMENT ADVISERS, LLC$15M
- SG Capital Management LLC$3M
- Y-Intercept (Hong Kong) Ltd$2M
- Campbell & CO Investment Adviser LLC$2M
- GABELLI FUNDS LLC$960K
- JENNISON ASSOCIATES LLC$915K
Full exits 26
- Driehaus Capital Management LLC$22M
- BESSEMER GROUP INC$19M
- Aptus Capital Advisors, LLC$7M
- JANE STREET GROUP, LLC$6M
- HRT FINANCIAL LP$4M
- SG Americas Securities, LLC$3M
Largest adds
- BlackRock, Inc.$67M
- PRICE T ROWE ASSOCIATES INC /MD/$40M
- UBS Group AG$19M
- Invesco Ltd.$13M
- Select Equity Group, L.P.$6M
- SEI INVESTMENTS CO$5M
Largest trims
- Conestoga Capital Advisors, LLC$30M
- GENEVA CAPITAL MANAGEMENT LLC$26M
- Copeland Capital Management, LLC$14M
- MORGAN STANLEY$11M
- MARSHALL WACE, LLP$11M
- Grandeur Peak Global Advisors, LLC$8M
Institutional holders
One row per tracked fund, most shares held first (every row is from one quarter; reported value breaks ties). “% of value” is the fund’s share of this security’s tracked institutional value — not of shares outstanding.
| Fund | Shares | Reported value | % of value | Quarter |
|---|---|---|---|---|
| ABSOLUTE INVESTMENT ADVISERS, LLC new | 14,000,000 | $15M | 0.7% | 2026-Q2 |
| BlackRock, Inc. added | 3,272,973 | $314M | 15.1% | 2026-Q2 |
| Conestoga Capital Advisors, LLC trimmed | 1,367,513 | $131M | 6.3% | 2026-Q2 |
| FIRST TRUST ADVISORS LP added | 1,093,502 | $105M | 5.0% | 2026-Q2 |
| CONGRESS ASSET MANAGEMENT CO added | 963,706 | $92M | 4.4% | 2026-Q2 |
| VANGUARD CAPITAL MANAGEMENT LLC added | 953,437 | $91M | 4.4% | 2026-Q2 |
| STATE STREET CORP added | 901,416 | $87M | 4.2% | 2026-Q2 |
| Copeland Capital Management, LLC trimmed | 839,463 | $81M | 3.9% | 2026-Q2 |
| GEODE CAPITAL MANAGEMENT, LLC added | 788,835 | $76M | 3.6% | 2026-Q2 |
| PRICE T ROWE ASSOCIATES INC /MD/ added | 755,142 | $72M | 3.5% | 2026-Q2 |
| VANGUARD PORTFOLIO MANAGEMENT LLC added | 604,833 | $58M | 2.8% | 2026-Q2 |
| GENEVA CAPITAL MANAGEMENT LLC trimmed | 589,064 | $57M | 2.7% | 2026-Q2 |
| DIMENSIONAL FUND ADVISORS LP added | 493,889 | $47M | 2.3% | 2026-Q2 |
| GOLDMAN SACHS GROUP INC added | 473,194 | $45M | 2.2% | 2026-Q2 |
| Invesco Ltd. added | 448,389 | $43M | 2.1% | 2026-Q2 |
| MORGAN STANLEY trimmed | 351,083 | $34M | 1.6% | 2026-Q2 |
| NORTHERN TRUST CORP added | 333,325 | $32M | 1.5% | 2026-Q2 |
| TWO SIGMA INVESTMENTS, LP added | 316,528 | $30M | 1.5% | 2026-Q2 |
| ROYAL BANK OF CANADA added | 308,765 | $30M | 1.4% | 2026-Q2 |
| Annex Advisory Services, LLC trimmed | 248,253 | $24M | 1.1% | 2026-Q2 |
| UBS Group AG added | 247,804 | $24M | 1.1% | 2026-Q2 |
| ENVESTNET ASSET MANAGEMENT INC trimmed | 244,729 | $23M | 1.1% | 2026-Q2 |
| KENNEDY CAPITAL MANAGEMENT LLC trimmed | 228,934 | $22M | 1.1% | 2026-Q2 |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC trimmed | 220,497 | $21M | 1.0% | 2026-Q2 |
| Ranger Investment Management, L.P. trimmed | 219,307 | $21M | 1.0% | 2026-Q2 |
| SEI INVESTMENTS CO added | 206,764 | $20M | 1.0% | 2026-Q2 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC added | 206,279 | $20M | 1.0% | 2026-Q2 |
| RICE HALL JAMES & ASSOCIATES, LLC added | 189,907 | $18M | 0.9% | 2026-Q2 |
| Select Equity Group, L.P. added | 181,015 | $17M | 0.8% | 2026-Q2 |
| Bank of New York Mellon Corp added | 172,458 | $17M | 0.8% | 2026-Q2 |
| RENAISSANCE TECHNOLOGIES LLC added | 169,502 | $16M | 0.8% | 2026-Q2 |
| DF DENT & CO INC added | 167,053 | $16M | 0.8% | 2026-Q2 |
| OBERWEIS ASSET MANAGEMENT INC/ added | 158,502 | $15M | 0.7% | 2026-Q2 |
| Russell Investments Group, Ltd. trimmed | 157,254 | $15M | 0.7% | 2026-Q2 |
| FIFTH THIRD BANCORP trimmed | 155,325 | $15M | 0.7% | 2026-Q2 |
| Qube Research & Technologies Ltd added | 154,879 | $15M | 0.7% | 2026-Q2 |
| VANGUARD FIDUCIARY TRUST CO added | 152,316 | $15M | 0.7% | 2026-Q2 |
| AMERIPRISE FINANCIAL INC added | 148,621 | $14M | 0.7% | 2026-Q2 |
| BANK OF AMERICA CORP /DE/ trimmed | 140,936 | $14M | 0.7% | 2026-Q2 |
| PRINCIPAL FINANCIAL GROUP INC added | 119,974 | $12M | 0.6% | 2026-Q2 |
| CRAWFORD INVESTMENT COUNSEL INC added | 114,066 | $11M | 0.5% | 2026-Q2 |
| Rockefeller Capital Management L.P. trimmed | 107,230 | $10M | 0.5% | 2026-Q2 |
| OSAIC HOLDINGS, INC. trimmed | 91,959 | $9M | 0.4% | 2026-Q2 |
| TUDOR INVESTMENT CORP ET AL added | 88,915 | $9M | 0.4% | 2026-Q2 |
| RIVERBRIDGE PARTNERS LLC trimmed | 88,467 | $8M | 0.4% | 2026-Q2 |
| Bridge City Capital, LLC added | 86,341 | $8M | 0.4% | 2026-Q2 |
| FEDERATED HERMES, INC. added | 82,468 | $8M | 0.4% | 2026-Q2 |
| Vest Financial, LLC added | 76,862 | $7M | 0.4% | 2026-Q2 |
| ProShare Advisors LLC added | 75,301 | $7M | 0.3% | 2026-Q2 |
| Public Sector Pension Investment Board trimmed | 72,269 | $7M | 0.3% | 2026-Q2 |
| AXIOM INVESTORS LLC /DE added | 69,294 | $7M | 0.3% | 2026-Q2 |
| JPMORGAN CHASE & CO trimmed | 68,946 | $7M | 0.3% | 2026-Q2 |
| RHUMBLINE ADVISERS trimmed | 68,488 | $7M | 0.3% | 2026-Q2 |
| STIFEL FINANCIAL CORP trimmed | 65,424 | $6M | 0.3% | 2026-Q2 |
| DIVIDEND ASSETS CAPITAL, LLC added | 65,261 | $6M | 0.3% | 2026-Q2 |
| Bahl & Gaynor LLC trimmed | 64,806 | $6M | 0.3% | 2026-Q2 |
| LAZARD ASSET MANAGEMENT LLC added | 61,333 | $6M | 0.3% | 2026-Q2 |
| MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC trimmed | 55,605 | $5M | 0.3% | 2026-Q2 |
| SEGALL BRYANT & HAMILL, LLC added | 52,596 | $5M | 0.2% | 2026-Q2 |
| AMERICAN CENTURY COMPANIES INC added | 51,716 | $5M | 0.2% | 2026-Q2 |
| Legal & General Group Plc added | 50,434 | $5M | 0.2% | 2026-Q2 |
| Nuveen, LLC added | 49,422 | $5M | 0.2% | 2026-Q2 |
| Trexquant Investment LP trimmed | 49,344 | $5M | 0.2% | 2026-Q2 |
| Summit Creek Advisors LLC trimmed | 49,174 | $5M | 0.2% | 2026-Q2 |
| Linden Thomas Advisory Services, LLC added | 47,314 | $5M | 0.2% | 2026-Q2 |
| CHATHAM CAPITAL GROUP, INC. added | 46,545 | $4M | 0.2% | 2026-Q2 |
| CITADEL ADVISORS LLC trimmed | 42,833 | $4M | 0.2% | 2026-Q2 |
| Swiss National Bank trimmed | 41,200 | $4M | 0.2% | 2026-Q2 |
| Susquehanna Portfolio Strategies, LLC added | 40,393 | $4M | 0.2% | 2026-Q2 |
| NEEDHAM INVESTMENT MANAGEMENT LLC | 40,000 | $4M | 0.2% | 2026-Q2 |
| Quantinno Capital Management LP added | 37,690 | $4M | 0.2% | 2026-Q2 |
| MARSHALL WACE, LLP trimmed | 37,402 | $4M | 0.2% | 2026-Q2 |
| D. E. Shaw & Co., Inc. trimmed | 36,464 | $3M | 0.2% | 2026-Q2 |
| Emerald Investment Advisers, LLC added | 36,366 | $3M | 0.2% | 2026-Q2 |
| XTX Topco Ltd added | 35,755 | $3M | 0.2% | 2026-Q2 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC trimmed | 30,989 | $3M | 0.1% | 2026-Q2 |
| ALLIANCEBERNSTEIN L.P. added | 30,524 | $3M | 0.2% | 2026-Q2 |
| Cetera Investment Advisers trimmed | 29,557 | $3M | 0.1% | 2026-Q2 |
| Man Group plc added | 29,417 | $3M | 0.1% | 2026-Q2 |
| SG Capital Management LLC new | 28,724 | $3M | 0.1% | 2026-Q2 |
| OAK RIDGE INVESTMENTS LLC added | 27,970 | $3M | 0.1% | 2026-Q2 |
| RAYMOND JAMES FINANCIAL INC trimmed | 27,039 | $3M | 0.1% | 2026-Q2 |
| NATIONS FINANCIAL GROUP INC, /IA/ /ADV added | 26,332 | $3M | 0.1% | 2026-Q2 |
| Squarepoint Ops LLC trimmed | 25,768 | $2M | 0.1% | 2026-Q2 |
| Corient Private Wealth LP added | 25,619 | $2M | 0.1% | 2026-Q2 |
| Jefferies Financial Group Inc. added | 25,537 | $2M | 0.1% | 2026-Q2 |
| PERKINS CAPITAL MANAGEMENT INC trimmed | 25,345 | $2M | 0.1% | 2026-Q2 |
| JOHNSON INVESTMENT COUNSEL INC added | 24,329 | $2M | 0.1% | 2026-Q2 |
| DEUTSCHE BANK AG\ added | 24,080 | $2M | 0.1% | 2026-Q2 |
| NEW YORK STATE COMMON RETIREMENT FUND added | 23,932 | $2M | 0.1% | 2026-Q2 |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM added | 23,818 | $2M | 0.1% | 2026-Q2 |
| Riverwater Partners LLC added | 22,593 | $2M | 0.1% | 2026-Q2 |
| WELLS FARGO & COMPANY/MN trimmed | 22,252 | $2M | 0.1% | 2026-Q2 |
| PRUDENTIAL FINANCIAL INC added | 21,953 | $2M | 0.1% | 2026-Q2 |
| CITIGROUP INC added | 21,227 | $2M | 0.1% | 2026-Q2 |
| Y-Intercept (Hong Kong) Ltd trimmed | 20,871 | $2M | 0.1% | 2026-Q2 |
| AQR CAPITAL MANAGEMENT LLC added | 20,623 | $2M | 0.1% | 2026-Q2 |
| ALGERT GLOBAL LLC trimmed | 20,416 | $2M | 0.1% | 2026-Q2 |
| WESBANCO BANK INC | 19,800 | $2M | 0.1% | 2026-Q2 |
| Grandeur Peak Global Advisors, LLC trimmed | 8,906 | $2M | 0.1% | 2026-Q2 |
Ownership over time
Tracked institutional holder count and total shares held by filing quarter (independent scales). The curated-era tail and any mid-ingest latest quarter are handled honestly — a partial quarter is not drawn as a collapse.
Reading this table
Funds hold the same stock for different reasons — an index fund “holds” almost everything, an active manager sizes a name to a mandate and a benchmark, and each fund entered at its own price and time. Because 13F is filed up to 45 days after quarter-end, every row is a backward-looking snapshot; a manager may have traded since. Share-class siblings (a company’s A and C shares) are rolled up to one line so a dual-class name is never double-counted. Compare like-for-like. A large holder is not an endorsement, and a fund exiting is not a warning — this is a starting question, not a verdict.
About 13F filings
A Form 13F is a quarterly disclosure that institutional investment managers with over $100 million in US-listed equities must file with the SEC. In plain English: it is a snapshot of the long stock positions a fund held at the end of a quarter. It covers long US-listed equities only — not short positions, options, cash, or private holdings — and the funds shown are the large sample we track, not the complete 13F universe.