Skip to main content

LONGFELLOW INVESTMENT MANAGEMENT CO LLC

Position in PEN — Penumbra Inc

CIK 1167487 BOSTON, MA

Position in PEN

as of Jun 30, 2026 · filed Aug 6, 2026
Position Value
$73,569
+$343 QoQ
Shares Held
233
+4.5% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#349
of 446 holders
Holding Since
Mar 2026
2 quarters on record
Voting authority Sole 97% Shared 0% None 3%

Common Shares in PEN Over Time

Shares Held

Position Value (USD)

Position in Medical Devices

Healthcare · as of Jun 30, 2026

LONGFELLOW INVESTMENT MANAGEMENT CO LLC holds $4,402,944 across 8 Medical Devices names. PEN ranks #4 (1.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 PEN
Penumbra Inc
This page
233 $73,569

All Filings in PEN

Export CSV
2 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $73,569 233
2026-03-31 $73,226 223