On Holding AG
ONON · NYSE
Who owns ONON
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 41.8% of ONON’s shares.
- Sicupira (Carlos Alberto da Veiga)5.9%
- Lemann (Marc)5.4%
- Baron Capital Management, Inc.5.1%
- Morgan Stanley Investment Management Inc. (US)4.9%
- Next 6 largest institutions20.5%
- All other shareholders58.2%
| Holder | Shares | % of shares |
|---|---|---|
| Sicupira (Carlos Alberto da Veiga) | 19.83M | 5.93% |
| Lemann (Marc) | 18.00M | 5.39% |
| Baron Capital Management, Inc. | 16.93M | 5.07% |
| Morgan Stanley Investment Management Inc. (US) | 16.49M | 4.93% |
| Fidelity Management & Research Company LLC | 16.02M | 4.79% |
| Lone Pine Capital, L.L.C. | 13.28M | 3.97% |
| Platinum Paramount Investment Ltd | 11.31M | 3.38% |
| Perez (Alexandre MBA) | 9.78M | 2.92% |
| da Costa Pérez (Alexandre José) | 9.77M | 2.92% |
| Sinvest Investments II Ltd | 8.40M | 2.51% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Baron Partners Fund | 8.87M | 2.65% |
| Fidelity Growth Company Fund | 5.11M | 1.53% |
| MS INVF Global Opportunity Fund | 4.94M | 1.48% |
| Baron Focused Growth Fund | 4.52M | 1.35% |
| Statens Pensjonsfond Utland | 2.78M | 0.83% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders bought $10.58M (8 trades) and sold $264.08K (4 trades) of ONON on the open market.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Helmersson Helena | Tax withholding | 633 | $19.09K |
| Miele Laura | Tax withholding | 609 | $18.37K |
| Durkin Dennis M | Tax withholding | 723 | $21.81K |
| Helmersson Helena | Award | 2.43K | — |
| Perez Alexandre | Award | 2.89K | — |
| Miele Laura | Award | 2.43K | — |
| Banse Amy | Award | 2.43K | — |
| Durkin Dennis M | Award | 2.89K | — |
| Maguire Scott Andrew | Sale | 1.48K | $40.92K |
| Sluis Frank | Sale | 687 | $19.06K |
Congressional trades
Disclosed by members of Congress over the last 12 months
| Member | Type | Amount | Traded |
|---|---|---|---|
| Angus S King, Jr.Senator | Sale (Full) | $1K–$15K | Feb 13, 2026 |
Short interest
Settled Sep 30, 2026
- Shares short
- 27.89M
- Days to cover
- 1.88
- % of shares outstanding
- 8.35%
- Average daily volume
- 14.82M
- Change since last report
- +21.3%
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