Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in LMAT held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 3.1M | $343.2M | +0.4% | 13.803% | 0.01% |
| 2 | Conestoga Capital Advisors, LLC | 1.5M | $161.2M | +3.6% | 6.483% | 3.22% |
| 3 | FIRST TRUST ADVISORS LP | 998K | $109.0M | +6.2% | 4.382% | 0.08% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 912K | $99.6M | β | 4.004% | 0.00% |
| 5 | Copeland Capital Management, LLC | 871K | $95.1M | -2.1% | 3.822% | 2.11% |
| 6 | STATE STREET CORP | 856K | $93.4M | +6.0% | 3.757% | 0.00% |
| 7 | CONGRESS ASSET MANAGEMENT CO /MA | 835K | $91.1M | +14.0% | 3.664% | 0.65% |
| 8 | GENEVA CAPITAL MANAGEMENT LLC | 754K | $82.3M | -7.4% | 3.310% | 1.75% |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 658K | $71.9M | +4.0% | 2.891% | 0.00% |
| 10 | VANGUARD PORTFOLIO MANAGEMENT LLC | 563K | $61.4M | β | 2.471% | 0.00% |
| 11 | DIMENSIONAL FUND ADVISORS LP | 476K | $52.0M | +0.1% | 2.091% | 0.01% |
| 12 | GOLDMAN SACHS GROUP INC | 432K | $47.2M | +10.5% | 1.898% | 0.01% |
| 13 | MORGAN STANLEY | 408K | $44.5M | -7.5% | 1.790% | 0.00% |
| 14 | Invesco Ltd. | 334K | $36.5M | +188.8% | 1.466% | 0.01% |
| 15 | NORTHERN TRUST CORP | 313K | $34.1M | -2.1% | 1.372% | 0.00% |
| 16 | TWO SIGMA INVESTMENTS, LP | 282K | $30.8M | +96.8% | 1.238% | 0.02% |
| 17 | ENVESTNET ASSET MANAGEMENT INC | 274K | $30.0M | +8.3% | 1.205% | 0.01% |
| 18 | ROYAL BANK OF CANADA | 273K | $29.8M | -6.3% | 1.197% | 0.01% |
| 19 | Annex Advisory Services, LLC | 251K | $27.4M | +2.8% | 1.100% | 0.51% |
| 20 | Ranger Investment Management, L.P. | 238K | $26.0M | -36.8% | 1.046% | 1.88% |
| 21 | KENNEDY CAPITAL MANAGEMENT, INC. | 237K | $25.8M | -4.5% | 1.039% | 0.55% |
| 22 | KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | 231K | $25.2M | -6.5% | 1.013% | 0.07% |
| 23 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 198K | $21.6M | +0.8% | 0.869% | 0.00% |
| 24 | DRIEHAUS CAPITAL MANAGEMENT LLC | 197K | $21.5M | β | 0.866% | 0.16% |
| 25 | RICE HALL JAMES & ASSOCIATES, LLC | 185K | $20.2M | +1.3% | 0.811% | 1.12% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in LMAT β a direct measure of their conviction.
Filings activity in LMAT during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new LMAT position in Q1 2026
Institutions that fully closed their LMAT position in Q1 2026
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 332 | +13% | 110.60% | +24.62 pp | $2.32B | +29% |
| Q4 2025 | 293 | +0.7% | 85.98% | +1.44 pp | $1.80B | +1.7% |
| Q3 2025 | 291 | +3.9% | 84.54% | +4.08 pp | $1.77B | +5.1% |
| Q2 2025 | 280 | 0.7% | 80.46% | 1.70 pp | $1.69B | 2.1% |
| Q1 2025 | 282 | 7.2% | 82.16% | 7.84 pp | $1.72B | 8.7% |
| Q4 2024 | 304 | +6.7% | 90.00% | +0.51 pp | $1.89B | +0.6% |
| Q3 2024 | 285 | +10% | 89.49% | +11.61 pp | $1.87B | +15% |
| Q2 2024 | 258 | β | 77.88% | β | $1.63B | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying LMAT stock.
Based on Q1 2026 13F filings, institutional ownership of LeMaitre Vascular, Inc. stands at 110.6%, held across 332 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of LMAT, with approximately 3,144,151 shares worth $0.34B as of Q1 2026.
Yes β 1 widely-followed marquee investor appear among the top 25 institutional holders of LMAT, including TWO SIGMA INVESTMENTS, LP.
Our composite Smart Money Score for LMAT is 69 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
72 institutions opened new positions in LMAT during Q1 2026, while 33 fully exited. 225 added to existing positions and 34 trimmed.
LMAT institutional ownership rose by 24.62 percentage points quarter-over-quarter, with a net change of +39 holders.
The top 10 institutions account for 52.2% of all reported 13F value in LMAT, and the top 25 account for 72.5%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
LeMaitre Vascular, Inc. (LMAT) Institutional Ownership