PEN — PENUMBRA INC

Ownership history in NORDEN GROUP LLC  ·  9 quarters on record

AI Ownership Summary

NORDEN GROUP LLC reported PENUMBRA INC (PEN) in 9 quarterly 13F filings from 2024 Q1 through 2026 Q1. Peak portfolio weight reached 0.14% in 2024 Q4. The latest visible filing shows PEN at 0.07% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings.

What this PEN ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was NORDEN GROUP LLC's position in PENUMBRA INC, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2026 Q1

PEN was reported at 0.07% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.14% in 2024 Q4

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2024 Q1 to 2026 Q1

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

PEN stock page NORDEN GROUP LLC fund profile NORDEN GROUP LLC full holdings
How NORDEN GROUP LLC held PEN — position size vs. price
% of Fund (quarterly)    PEN price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 9 quarters  ▾
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 REDUCED 2,298 -1,021 -30.8% 0.07% $755K 2026-04-15 $332.42
2025 Q4 REDUCED 3,319 -228 -6.4% 0.10% $1.0M 2026-01-13 $300.97
2025 Q3 REDUCED 3,547 -536 -13.1% 0.09% $899K 2025-10-15 $252.61
2025 Q2 REDUCED 4,083 -555 -12.0% 0.11% $1.0M 2025-07-15 $236.41
2025 Q1 REDUCED 4,638 -700 -13.1% 0.14% $1.2M 2025-05-07 $289.25
2024 Q4 ADDED 5,338 +135 +2.6% 0.14% $1.3M 2025-02-05 $265.94
2024 Q3 ADDED 5,203 +1,624 +45.4% 0.12% $1.0M 2024-10-17 $202.26
2024 Q2 REDUCED 3,579 -16,651 -82.3% 0.13% $644K 2024-08-06 $171.44
2024 Q1 INITIATED 20,230 — — 0.05% $4.5M 2024-04-19 $202.72

🏢 Other funds also holding PEN

As of 2026 Q1 — sorted by position size

CONGRESS ASSET MANAGEMENT CO 3Y 7Y 0.75% Washington Trust Advisors, Inc. 3Y 0.5% Linden Thomas Advisory Services, LLC 3Y 0.32% Oak Thistle LLC 3Y 0.27% Radnor Capital Management, LLC 3Y 7Y 0.17% Legacy Wealth Asset Management, LLC 3Y 0.1% HIGHLAND CAPITAL MANAGEMENT, LLC 3Y 7Y 0.09% FIDUCIARY FINANCIAL GROUP, LLC 0.03% True Wealth Design, LLC 3Y 0.02% MOODY NATIONAL BANK TRUST DIVISION 3Y 7Y 0.02%

FAQ About NORDEN GROUP LLC and PEN

These are the practical questions this page is built to answer before you even open the full history table.

How long has NORDEN GROUP LLC reported owning PEN?

NORDEN GROUP LLC reported PEN across 9 quarterly 13F filings, from 2024 Q1 through 2026 Q1.

What was the largest reported PEN position in NORDEN GROUP LLC's portfolio?

The largest reported portfolio weight for PEN was 0.14% in 2024 Q4.

What is the latest reported PEN position on this page?

The most recent filing on this page is 2026 Q1, when NORDEN GROUP LLC reported 2,298 shares, equal to 0.07% of portfolio, with an estimated market value of $755K.

What does the chart on this PEN ownership page compare?

The chart compares NORDEN GROUP LLC's quarterly PEN portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

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