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Equibles

TRILLIUM ASSET MANAGEMENT, LLC

Position in PEN — Penumbra Inc

CIK 884541 BOSTON, MA
Back to PEN Full portfolio

Position in PEN

as of Jun 30, 2026 · filed Aug 11, 2026
Position Value
$5,638,347
+$325,978 QoQ
Shares Held
17,857
+10.4% QoQ
Ownership
0.045%
of shares outstanding
% of Portfolio
0.17%
of 13F equity value
Holder Rank
#129
of 450 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 96% Shared 0% None 4%

Common Shares in PEN Over Time

Shares Held

Position Value (USD)

Position in Medical Devices

Healthcare · as of Jun 30, 2026

TRILLIUM ASSET MANAGEMENT, LLC holds $49,909,351 across 7 Medical Devices names. PEN ranks #3 (11.3% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 SYK
Stryker Corp
 71,991 $22,665,646
2 BSX
Boston Scientific Corp
 303,755 $12,964,263
3 PEN
Penumbra Inc
This page 		17,857 $5,638,347
4 DXCM
Dexcom Inc
 47,881 $3,224,785
5 TMDX
TransMedics Group, Inc.
 41,577 $2,761,544
6 IRTC
iRhythm Holdings, Inc.
 18,437 $2,193,081
7 ABT
Abbott Laboratories
 5,088 $461,685

All Filings in PEN

Export CSV
26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $5,638,347 17,857
2026-03-31 $5,312,369 16,178
2025-12-31 $5,443,723 17,509
2025-09-30 $5,299,707 20,921
2025-06-30 $5,438,246 21,191
2025-03-31 $6,107,376 22,839
2024-12-31 $8,916,661 37,547
2024-09-30 $7,592,663 39,075
2024-06-30 $7,061,302 39,236
2024-03-31 $5,222,635 23,401
2023-12-31 $5,771,333 22,944
2023-09-30 $3,609,781 14,922
2023-06-30 $5,487,412 15,949
2023-03-31 $9,233,835 33,133
2022-12-31 $9,171,135 41,226
2022-09-30 $7,810,003 41,192
2022-06-30 $5,226,851 41,976
2022-03-31 $10,099,806 45,468
2021-12-31 $16,270,931 56,630
2021-09-30 $14,026,161 52,631
2021-06-30 $13,714,236 50,041
2021-03-31 $13,315,512 49,211
2020-12-31 $9,153,375 52,305
2020-09-30 $8,985,993 46,229
2020-06-30 $8,963,173 50,124
2020-03-31 $7,644,944 47,387