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ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

Position in PEN — Penumbra Inc

CIK 1164508 BOSTON, MA

Position in PEN

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$263,620,622
+$132,220,083 QoQ
Shares Held
834,903
+108.6% QoQ
Ownership
2.12%
of shares outstanding
% of Portfolio
0.12%
of 13F equity value
Holder Rank
#10
of 446 holders
Holding Since
Jun 2025
5 quarters on record
Voting authority Sole 99% Shared 0% None 1%

Common Shares in PEN Over Time

Shares Held

Position Value (USD)

Position in Medical Devices

Healthcare · as of Jun 30, 2026

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP holds $6,427,484,644 across 45 Medical Devices names. PEN ranks #7 (4.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
7 PEN
Penumbra Inc
This page
834,903 $263,620,622

All Filings in PEN

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5 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $263,620,622 834,903
2026-03-31 $131,400,539 400,160
2025-12-31 $54,050,459 173,846
2025-09-30 $31,008,647 122,409
2025-06-30 $10,100,443 39,358