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Rossby Financial, LCC

Position in PEN — Penumbra Inc

CIK 2056510 MELBOURNE, FL

Position in PEN

as of Jun 30, 2026 · filed Aug 4, 2026
Position Value
$12,314
+$1,478 QoQ
Shares Held
39
+18.2% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#381
of 445 holders
Holding Since
Sep 2025
4 quarters on record
Voting authority Sole 0% Shared 0% None 100%

Common Shares in PEN Over Time

Shares Held

Position Value (USD)

Position in Medical Devices

Healthcare · as of Jun 30, 2026

Rossby Financial, LCC holds $709,141 across 19 Medical Devices names. PEN ranks #7 (1.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
7 PEN
Penumbra Inc
This page
39 $12,314

All Filings in PEN

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4 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $12,314 39
2026-03-31 $10,836 33
2025-12-31 $3,420 11
2025-09-30 $2,279 9