LeMaitre Vascular, Inc.
DE ˙ DB ˙ US5255582018
80,00 € ↑1,50 (1,91%)
2026-06-05
DEL PRIS
SecurityDE:LHU / LeMaitre Vascular, Inc.
InstitutionMarshall Wace, Llp
Latest Disclosed Ownership131,220 shares
Latest Disclosed Value $ 14,325,287
Marshall Wace, Llp reports 172.08% increase in ownership of LHU / LeMaitre Vascular, Inc.

On May 14, 2026 - Marshall Wace, Llp filed a 13F-HR form disclosing ownership of 131,220 shares of LeMaitre Vascular, Inc. (DE:LHU) valued at $12,269,070 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 48,228 shares of LeMaitre Vascular, Inc.. This represents a change in shares of 172.08% during the quarter. The current value of the position is $10,497,600 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-14 2026-03-31 13F LEMAITRE VASCULA COMMON STOCK 525558201 131,220 82,992 172.08 14,325 266.27 0.0143
2026-02-13 2025-12-31 13F LEMAITRE VASCULA COMMON STOCK 525558201 48,228 -28,122 -36.83 3,911 -41.46 0.0036
2025-11-13 2025-09-30 13F LEMAITRE VASCULA COMMON STOCK 525558201 76,350 -34,158 -30.91 6,681 -27.20 0.0068
2025-08-13 2025-06-30 13F LEMAITRE VASCULA COMMON STOCK 525558201 110,508 -15,466 -12.28 9,178 -13.17 0.0103
2025-05-15 2025-03-31 13F LEMAITRE VASCULA COMMON STOCK 525558201 125,974 86,188 216.63 10,569 188.38 0.0134
2025-02-13 2024-12-31 13F LEMAITRE VASCULA COMMON STOCK 525558201 39,786 37,346 1,530.57 3,666 1,521.68 0.0044
2024-11-14 2024-09-30 13F LEMAITRE VASCULA COMMON STOCK 525558201 2,440 -22,579 -90.25 227 -89.02 0.0003
2024-08-14 2024-06-30 13F LEMAITRE VASCULA COMMON STOCK 525558201 25,019 -19,921 -44.33 2,059 -30.99 0.0027
2024-05-15 2024-03-31 13F LEMAITRE VASCULA COMMON STOCK 525558201 44,940 -38,432 -46.10 2,982 -36.98 0.0045
2024-02-14 2023-12-31 13F LEMAITRE VASCULA COMMON STOCK 525558201 83,372 -13,564 -13.99 4,732 -10.40 0.0080
2023-11-14 2023-09-30 13F LEMAITRE VASCULA COMMON STOCK 525558201 96,936 33,702 53.30 5,281 24.14 0.0107
2023-08-14 2023-06-30 13F LEMAITRE VASCULA COMMON STOCK 525558201 63,234 63,234 4,254 0.0083
2021-08-13 2021-06-30 13F LEMAITRE VASCULA COMMON STOCK 525558201 0 -9,326 -100.00 0 -100.00
2021-05-17 2021-03-31 13F LEMAITRE VASCULA COMMON STOCK 525558201 9,326 -37,568 -80.11 455 -76.04 0.0021
2021-02-16 2020-12-31 13F LEMAITRE VASCULA COMMON STOCK 525558201 46,894 10,195 27.78 1,899 59.05 0.0103
2020-11-16 2020-09-30 13F LEMAITRE VASCULA COMMON STOCK 525558201 36,699 12,349 50.71 1,194 85.69 0.0076
2020-08-13 2020-06-30 13F LEMAITRE VASCULA COMMON STOCK 525558201 24,350 24,350 -33.65 643 -46.15 0.0045
2020-02-14 2019-12-31 13F LEMAITRE VASCULA COMMON STOCK 525558201 0 -20,728 -100.00 0 -100.00
2019-11-14 2019-09-30 13F LEMAITRE VASCULA COMMON STOCK 525558201 20,728 -115,616 -84.80 708 -81.44 0.0056
2019-08-14 2019-06-30 13F LEMAITRE VASCULA COMMON STOCK 525558201 136,344 -24,431 -15.20 3,815 -23.46 0.0314
2019-05-29 2019-03-31 13F/A-1 LEMAITRE VASCULA COMMON STOCK 525558201 160,775 42,560 36.00 4,984 78.32 0.0468
2019-05-14 2019-03-31 13F LEMAITRE VASCULA COMMON STOCK 525558201 160,775 42,560 4,984
2019-02-14 2018-12-31 13F LEMAITRE VASCULA COMMON STOCK 525558201 118,215 118,215 2,795 0.0285
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.