Slice of Stock

Private company

Who owns Jet Parts Engineering ("JPE")

One company in the researched set discloses a stake in Jet Parts Engineering ("JPE"), none of it sized by anyone who discloses it. Jet Parts Engineering ("JPE") is private, so no 13F reports it: a 13F covers exchange listed positions only. These figures exist because each holder disclosed the stake in its own filings.

Jet Parts Engineering ("JPE") - Profile

Type
subsidiary
Based in
United States

Jet Parts Engineering is a Seattle based designer and manufacturer of aftermarket parts and repairs for commercial aircraft. It develops proprietary alternatives to original equipment manufacturer components, approved under the Federal Aviation Administration's Parts Manufacturer Approval route, and sells them to commercial, regional and cargo airlines and to maintenance, repair and overhaul shops, with nearly all of its revenue coming from the commercial aftermarket rather than from new aircraft production. The company employs roughly 300 people and runs engineering and repair sites in Texas, New York, Florida, Alabama and the United Kingdom, covering a range of major commercial aerospace platforms. Together with Victor Sierra Aviation Holdings, a second aftermarket platform bought in the same transaction, it accounted for about 280 million dollars of revenue in calendar 2025.

Source

Jet Parts Engineering ("JPE") files nothing with the SEC, so none of this comes from a filer record. The description was written for this site in August 2026 from TransDigm Announces Acquisition of Jet Parts Engineering and Victor Sierra Aviation Holdings (PR Newswire, 16 January 2026), TransDigm Completes Acquisition of Jet Parts Engineering and Victor Sierra Aviation Holdings (PR Newswire, April 2026) and Jet Parts Engineering company website. The ownership figures below come from the holders' filings instead, and are sourced row by row.

Disclosed holders1in the researched set
Disclosed valuenot sized0 of 1 positions carry a figure
Most recent measurement7 Apr 2026as of, not as reported
Visible to a 13FNoprivate company

The disclosed stakes

One row per position. Where a holder reports the same company in two share classes, both rows are shown rather than summed, because the class is part of a position's identity.

TransDigm Group IncorporatedTDG10-Qnot sizednot sized95.0%

Where each figure comes from

A private stake has no ownership form behind it, so the source is always the holder's own filing or disclosure. Anything modelled says so, with the arithmetic.

What this page is not

It is not a complete register. It lists the holders who happen to be inside the researched set and disclosed the stake themselves. A private company can have many other shareholders, and nothing here rules them out: venture investors, founders and employees usually appear in no public filing at all. Percentages are of Jet Parts Engineering ("JPE") where a holder stated one, and are missing where no holder did.