Position in PEN
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$117,555
-$28,995,124 QoQ
Shares Held
358
-99.6% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
17 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in PEN Over Time
Shares Held
Position Value (USD)
Position in Medical Devices
Healthcare · as of Mar 31, 2026LOOMIS SAYLES & CO L P holds $142,136,158 across 12 Medical Devices names. PEN ranks #7 (0.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | GKOS |
GLAUKOS Corp
|
421,240 | $45,350,697 | |
| 2 | IRTC |
iRhythm Holdings, Inc.
|
367,894 | $43,418,849 | |
| 3 | AORT |
Artivion, Inc.
|
980,439 | $35,903,675 | |
| 4 | BRKR |
Bruker Corp
|
456,773 | $16,498,640 | |
| 5 | STE |
STERIS plc
|
1,883 | $416,386 | |
| 6 | PODD |
Insulet Corp
|
1,243 | $260,830 | |
| 7 | PEN |
Penumbra Inc
This page
|
358 | $117,555 | |
| 8 | MDT |
Medtronic plc
|
801 | $69,406 |
All Filings in PEN
Export CSV
17 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $117,555 | 358 | Shares | Defined | 2026-05-14 | |
| 2025-12-31 | $29,112,679 | 93,637 | Shares | Defined | 2026-02-12 | |
| 2025-09-30 | $24,850,691 | 98,100 | Shares | Defined | 2025-11-13 | |
| 2025-06-30 | $26,109,535 | 101,740 | Shares | Defined | 2025-08-13 | |
| 2025-03-31 | $31,967,260 | 119,544 | Shares | Defined | 2025-05-14 | |
| 2024-12-31 | $29,039,053 | 122,280 | Shares | Defined | 2025-02-12 | |
| 2024-09-30 | $21,837,140 | 112,383 | Shares | Defined | 2024-11-13 | |
| 2024-06-30 | $17,789,854 | 98,849 | Shares | Defined | 2024-08-13 | |
| 2024-03-31 | $21,421,931 | 95,985 | Shares | Defined | 2024-05-14 | |
| 2023-12-31 | $21,823,610 | 86,760 | Shares | Defined | 2024-02-13 | |
| 2023-09-30 | $6,531 | 27 | Shares | Defined | 2023-11-09 | |
| 2023-06-30 | $6,193 | 18 | Shares | Defined | 2023-08-11 | |
| 2022-06-30 | $1,369 | 11 | Shares | Defined | 2022-08-05 | |
| 2022-03-31 | $2,443 | 11 | Shares | Defined | 2022-05-13 | |
| 2020-09-30 | $53,676,675 | 276,143 | Shares | Defined | 2020-11-12 | |
| 2020-06-30 | $46,123,936 | 257,935 | Shares | Defined | 2020-08-14 | |
| 2020-03-31 | $38,120,826 | 236,291 | Shares | Defined | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||