ZD — j2 Global, Inc. (JCOM)

Ownership history in CORBYN INVESTMENT MANAGEMENT INC/MD  ·  51 quarters on record

AI Ownership Summary

CORBYN INVESTMENT MANAGEMENT INC/MD reported j2 Global, Inc. (JCOM) (ZD) in 51 quarterly 13F filings from 2023 Q4 through 2025 Q4. Peak portfolio weight reached 3.0% in 2023 Q4. The latest visible filing shows ZD at 0.96% 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 ZD ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was CORBYN INVESTMENT MANAGEMENT INC/MD's position in j2 Global, Inc. (JCOM), 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 Q4

ZD was reported at 0.96% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
3.0% in 2023 Q4

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 Q4

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.

ZD stock page CORBYN INVESTMENT MANAGEMENT INC/MD fund profile CORBYN INVESTMENT MANAGEMENT INC/MD full holdings
How CORBYN INVESTMENT MANAGEMENT INC/MD held ZD — position size vs. price
% of Fund (quarterly)    ZD price (quarter-end, indexed to 100)
📋 Quarterly Holdings History 9 quarters  ▾
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 REDUCED 93,252 -16,618 -15.1% 0.96% $3.3M 2026-02-14 (Est.) $30.50
2025 Q3 REDUCED 109,870 -25,353 -18.7% 1.23% $4.2M 2025-10-22 $37.75
2025 Q2 ADDED 135,223 +21,586 +19.0% 1.38% $4.1M 2025-08-08 $36.68
2025 Q1 ADDED 113,637 +3,199 +2.9% 1.59% $4.3M 2025-05-09 $30.91
2024 Q4 REDUCED 110,438 -126 -0.1% 2.15% $6.0M 2025-02-12 $52.91
2024 Q3 REDUCED 110,564 -152 -0.1% 2.06% $5.4M 2024-11-07 $48.99
2024 Q2 ADDED 110,716 +9,638 +9.5% 2.52% $6.1M 2024-08-06 $39.64
2024 Q1 ADDED 101,078 +6,363 +6.7% 2.82% $6.4M 2024-05-06 $54.97
2023 Q4 REDUCED 94,715 -440 -0.5% 3.00% $6.4M 2024-02-02 $68.06
42 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding ZD

As of 2026 Q1 — sorted by position size

Central Pacific Bank - Trust Division 0.01% Estate Planners Group, LLC 0.01% Versant Capital Management, Inc 3Y 7Y 0.0% GAMMA Investing LLC 0.0% Retirement Wealth Solutions LLC 0.0% WEALTH ENHANCEMENT ADVISORY SERVICES, LLC 3Y 7Y 0.0% SIGNATUREFD, LLC 3Y 7Y 0.0% Farther Finance Advisors, LLC 0.0%

FAQ About CORBYN INVESTMENT MANAGEMENT INC/MD and ZD

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

How long has CORBYN INVESTMENT MANAGEMENT INC/MD reported owning ZD?

CORBYN INVESTMENT MANAGEMENT INC/MD reported ZD across 9 quarterly 13F filings, from 2023 Q4 through 2025 Q4.

What was the largest reported ZD position in CORBYN INVESTMENT MANAGEMENT INC/MD's portfolio?

The largest reported portfolio weight for ZD was 3.00% in 2023 Q4.

What is the latest reported ZD position on this page?

The most recent filing on this page is 2025 Q4, when CORBYN INVESTMENT MANAGEMENT INC/MD reported 93,252 shares, equal to 0.96% of portfolio, with an estimated market value of $3.3M.

What does the chart on this ZD ownership page compare?

The chart compares CORBYN INVESTMENT MANAGEMENT INC/MD's quarterly ZD 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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