CI INVESTMENTS INC. PEN — PENUMBRA INC

Ownership history in CI INVESTMENTS INC.  ·  17 quarters on record

AI Ownership Summary

CI INVESTMENTS INC. reported PENUMBRA INC (PEN) in 17 quarterly 13F filings from 2023 Q4 through 2025 Q3. The latest visible filing shows PEN at 0.00% 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. Older history is available after unlock; the visible window still shows the most recent pattern.

What this PEN ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was CI INVESTMENTS INC.'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
2025 Q3

PEN was reported at 0.00% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.0% in 2024 Q1

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

Time in book
Holding Window
2023 Q4 to 2025 Q3

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 CI INVESTMENTS INC. fund profile CI INVESTMENTS INC. full holdings
How CI INVESTMENTS INC. 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 8 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q3 REDUCED 38.4% +24.3% ❌ 374 -233 -38.4% 0.00% $95K 2025-11-12 $280.29
2025 Q2 REDUCED 5.3% -1.9% ✅ 607 -34 -5.3% 0.00% $156K 2025-08-12 $248.55
2025 Q1 REDUCED 33.2% -4.0% ✅ 641 -319 -33.2% 0.00% $171K 2025-05-13 $296.05
2024 Q4 ADDED — — — 960 +91 +10.5% 0.00% $228K 2025-02-12 $267.06
2024 Q3 REDUCED 7.3% +22.6% ❌ 869 -68 -7.3% 0.00% $169K 2024-11-12 $236.22
2024 Q2 REDUCED 8.4% +8.0% ❌ 937 -86 -8.4% 0.00% $169K 2024-08-12 $168.79
2024 Q1 ADDED — — — 1,023 +456 +80.4% 0.00% $228K 2024-05-13 $204.77
2023 Q4 REDUCED 14.9% -13.6% ✅ 567 -99 -14.9% 0.00% $143K 2024-02-12 $270.01
9 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding PEN

As of 2026 Q1 — sorted by position size

CIBRA Capital Ltd 5.01% ALPINE ASSOCIATES MANAGEMENT INC. 3Y 7Y 2.55% Cannon Global Investment Management, LLC 3Y 1.03% Onyx Bridge Wealth Group LLC 3Y 0.94% Yorktown Management & Research Co Inc 3Y 7Y 0.82% CONGRESS ASSET MANAGEMENT CO 3Y 7Y 0.75% Washington Trust Advisors, Inc. 3Y 0.5% J2 Capital Management Inc 3Y 0.4% Linden Thomas Advisory Services, LLC 3Y 0.32% Capricorn Fund Managers Ltd 3Y 0.3%

FAQ About CI INVESTMENTS INC. and PEN

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

How long has CI INVESTMENTS INC. reported owning PEN?

CI INVESTMENTS INC. reported PEN across 8 quarterly 13F filings, from 2023 Q4 through 2025 Q3.

What was the largest reported PEN position in CI INVESTMENTS INC.'s portfolio?

The largest reported portfolio weight for PEN was 0.00% in 2024 Q1.

What is the latest reported PEN position on this page?

The most recent filing on this page is 2025 Q3, when CI INVESTMENTS INC. reported 374 shares, equal to 0.00% of portfolio, with an estimated market value of $95K.

What does the chart on this PEN ownership page compare?

The chart compares CI INVESTMENTS INC.'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.

How well did CI INVESTMENTS INC. time their PEN position?

Based on 13F filing dates vs. subsequent PEN price moves, CI INVESTMENTS INC. correctly timed 4 out of 16 reported position changes (25%). The annualised alpha on PEN relative to SPY over the holding period was +0.9%.

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