As of November 6, 2026, 3 holders' latest Schedule 13D or 13G filings report owning 5% or more of On Holding Ag. The largest reported stake is David Allemann's, at 12.9%. 11 filings are on record since July 8, 2025 (Schedule 13G/A, August 12, 2026).
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Key facts
- · Reporting person: Fmr LLC · Sole voting: 6,881,298 · Shared voting: 0 · Sole dispositive: 6,881,298 · Shared dispositive: 0 · SCHEDULE 13G/A, 2026-11-05
- · Reporting person: Bamco Inc · Sole voting: 0 · Shared voting: 15,323,943 · Sole dispositive: 0 · Shared dispositive: 15,323,943 · SCHEDULE 13G, 2026-08-14
- · Reporting person: David Allemann · Sole voting: 0 · Shared voting: 43,195,565 · Sole dispositive: 2,841,108 · Shared dispositive: 32,815,418 · SCHEDULE 13G/A, 2026-08-12
- · Reporting person: Martin Hoffmann · Sole voting: 3,237,553 · Shared voting: 0 · Sole dispositive: 3,237,553 · Shared dispositive: 0 · SCHEDULE 13G, 2026-08-12
- · Holder: Fmr LLC · Percent: 5.4% · SCHEDULE 13G/A
On Holding Ag has 11 Schedule 13D or 13G filings on record since 2025-07-08. 3 holders' latest filing reports 5% or more of class a common stock. Each figure below is the holder's own, as filed, with the filing linked.
Holders
| Holder | Percent | Shares | Latest | Event date |
|---|---|---|---|---|
| 12.9% | 43,195,565 | SCHEDULE 13G/A, 2026-08-12 | 2026-06-30 | |
| 6.5% | 19,166,610 | SCHEDULE 13G, 2026-02-12 | 2025-12-31 | |
| Baron Capital Group, Inc. | 5.65% | 16,910,068 | SCHEDULE 13G, 2026-08-14 | 2026-06-30 |
| AllianceBernstein L.P. | 3.3% | 9,756,483 | SCHEDULE 13G/A, 2025-11-14 | 2025-09-30 |
| Fmr LLC | 2.3% | 6,881,298 | SCHEDULE 13G/A, 2026-11-05 | 2026-09-30 |
| 1% | 3,237,553 | SCHEDULE 13G, 2026-08-12 | 2026-06-30 | |
| 0.9% | 2,835,633 | SCHEDULE 13G, 2025-08-12 | 2025-06-30 |
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More on On Holding Ag and the records around it.
On Holding Ag elsewhere on the record
Companies that share a holder
- BAMCO INC /NY/ also filed stake reports on 22 other companies: Birkenstock Holding plc (Aug 2026), Blackstone Digital Infrastructure Trust Inc. (Aug 2026), CAREDX, INC. (Aug 2026)
- AllianceBernstein L.P. also filed stake reports on 82 other companies: New Fortress Energy Inc (Nov 2026), RIVERNORTH OPPORTUNITIES FUND, INC. (Oct 2026), Trex Co Inc (Sep 2026)
- Morgan Stanley also filed stake reports on 182 other companies: MDA Space Ltd. (Nov 2026), RiverNorth/DoubleLine Strategic Opportunity Fund, Inc. (Oct 2026), Arbutus Biopharma Corp (Oct 2026)
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Voting and dispositive power, as filed
| Reporting person | Sole voting | Shared voting | Sole dispositive | Shared dispositive | Filing |
|---|---|---|---|---|---|
| David Allemann | 0 | 43,195,565 | 2,841,108 | 32,815,418 | SCHEDULE 13G/A, 2026-08-12 |
| Olivier Bernhard | 0 | 42,879,315 | 5,163,184 | 32,499,168 | SCHEDULE 13G/A, 2026-08-12 |
| Caspar Coppetti | 0 | 42,879,315 | 2,375,855 | 32,499,168 | SCHEDULE 13G/A, 2026-08-12 |
| Bamco Inc | 0 | 15,323,943 | 0 | 15,323,943 | SCHEDULE 13G, 2026-08-14 |
| Baron Capital Group, Inc. | 0 | 16,910,068 | 0 | 16,910,068 | SCHEDULE 13G, 2026-08-14 |
| Baron Capital Management, Inc. | 0 | 1,586,125 | 0 | 1,586,125 | SCHEDULE 13G, 2026-08-14 |
| Ronald Baron | 0 | 16,910,068 | 0 | 16,910,068 | SCHEDULE 13G, 2026-08-14 |
| Fmr LLC | 6,881,298 | 0 | 6,881,298 | 0 | SCHEDULE 13G/A, 2026-11-05 |
| Abigail P. Johnson | 0 | 0 | 6,881,298 | 0 | SCHEDULE 13G/A, 2026-11-05 |
| Martin Hoffmann | 3,237,553 | 0 | 3,237,553 | 0 | SCHEDULE 13G, 2026-08-12 |
The latest filing identifies On Holding Ag by CUSIP H5919C104 and gives its principal executive office as FORRLIBUCKSTRASSE 190, ZURICH (SCHEDULE 13G/A, 2026-11-05).
Timeline
| Filed | Holder | Percent | Filing |
|---|---|---|---|
| 2025-07-08 | Fmr LLC | 10% | SCHEDULE 13G/A |
| 2025-08-12 | Martin Hoffmann | 13.9% | SCHEDULE 13G/A |
| 2025-08-12 | Maurer Marc | 0.9% | SCHEDULE 13G |
| 2025-11-14 | AllianceBernstein L.P. | 3.3% | SCHEDULE 13G/A |
| 2026-02-12 | Morgan Stanley | 6.5% | SCHEDULE 13G |
| 2026-05-06 | Fmr LLC | 8.1% | SCHEDULE 13G/A |
| 2026-08-06 | Fmr LLC | 5.4% | SCHEDULE 13G/A |
| 2026-08-12 | Martin Hoffmann | 1% | SCHEDULE 13G |
| 2026-08-12 | David Allemann | 12.9% | SCHEDULE 13G/A |
| 2026-08-14 | Baron Capital Group, Inc. | 5.65% | SCHEDULE 13G |
| 2026-11-05 | Fmr LLC | 2.3% | SCHEDULE 13G/A |
Questions about who owns On Holding Ag
Who owns On Holding Ag?
On this page, 3 holders' latest ownership filings report 5% or more of On Holding Ag: David Allemann (12.9%, Schedule 13G/A, filed 2026-08-12), Morgan Stanley (6.5%, Schedule 13G, filed 2026-02-12) and Baron Capital Group, Inc. (5.65%, Schedule 13G, filed 2026-08-14).
Who are the largest shareholders of On Holding Ag?
By the share each holder's latest filing reports, the largest holders of On Holding Ag on this page are David Allemann (12.9%), Morgan Stanley (6.5%) and Baron Capital Group, Inc. (5.65%).
When did David Allemann buy into On Holding Ag?
The filings give report dates, not purchase dates. The earliest filing from David Allemann on this page is the Schedule 13G/A, filed 2026-08-12, reporting 12.9%. That earliest filing is itself an amendment, which updates an earlier report.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 11 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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Where this comes from
Anyone who comes to own more than 5% of a class of a listed company's voting shares has to tell the SEC. A holder who may seek to change or influence the company files Schedule 13D, and has to say in Item 4, "Purpose of Transaction", what it intends to do. A holder with no such intent, such as many index and passive funds, may file the shorter Schedule 13G. Both are amended when the stake changes, including when it falls below 5%.
Every row here is one of those filings, linked to the filing itself. Percentages and share counts are exactly as the holder filed them, for the holder the filing names; an amendment showing a lower figure is shown as filed. Item 4 text is quoted word for word. Where a 13D's Item 4 contains a sentence stating a definite intent to influence the company, that sentence is marked and quoted; the page does not describe the holder or its motives beyond the words it filed. Nothing here is investment advice.