Fmr Llc ownership in ONON / On Holding AG

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Security	ONON / On Holding AG
Institution	Fmr Llc
Latest Disclosed Ownership	24,079,437 shares
Ownership	8.10%

2026-05-06 - Fmr Llc has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 24,079,437 shares of On Holding AG (US:ONON). This represents 8.1 percent ownership of the company. In their previous filing dated 2025-07-08 , Fmr Llc had reported owning 28,935,843 shares, indicating a decrease of -16.78 percent.

Institutional Ownership: 13D/G Filings

This table shows a history of the 13D/G filings made by the investor and/or investor group. Note that the share values in this table are not directly comparable to any numbers shown in the 13F table (if any).

File Date	Effective Date	Form	Prev Shares	Latest Shares	ΔShares (Percent)	Ownership (Percent)	ΔOwnership (Percent)
2026-05-06	2026-05-06	13G/A	28,935,843	24,079,437	-16.78	8.10	-19.00
2025-07-08	2025-07-08	13G/A	28,358,626	28,935,843	2.04	10.00	0.01
2024-02-09	2024-02-09	13G/A	28,176,424	28,358,626	0.65	10.00	-0.10
2023-02-09	2023-02-09	13G/A	28,178,724	28,176,424	-0.01	10.01	-0.01
2022-12-12	2022-12-12	13G		28,178,724		10.01

Important Note: One of the primary uses of the 13D/G filings is to evaluate the ability of a firm to control a company (ie, the "beneficial ownership"). To that end, firms are required to report not just direct holdings in companies, but indirect holdings that they control. For investment firms, these indirect holdings can include shares in funds they manage, advisory accounts, and in the case of activist campaigns, pledged votes. Therefore, share counts listed in 13D/G filings can differ significantly than share counts listed in 13F filings.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)

File Date	Effective Date	Form	Security	Class	ID	Reported Shares	ΔShares	ΔShares (%)	Reported Value (x1000)	ΔValue (%)	Alloc (%)
2026-05-15	2026-03-31	13F	ON HLDG	NAMEN AKT A	H5919C104	24,079,437	-5,600,699	-18.87	819,182	-40.62	0.0086
2026-02-17	2025-12-31	13F	ON HLDG	NAMEN AKT A	H5919C104	29,680,136	575,726	1.98	1,379,533	11.92	0.0703
2025-11-13	2025-09-30	13F	ON HLDG	NAMEN AKT A	H5919C104	29,104,410	168,567	0.58	1,232,572	-18.16	0.0641
2025-08-14	2025-06-30	13F	ON HLDG	NAMEN AKT A	H5919C104	28,935,843	277,587	0.97	1,506,111	19.66	0.0849
2025-05-12	2025-03-31	13F	ON HLDG	NAMEN AKT A	H5919C104	28,658,256	-217,709	-0.75	1,258,671	-20.41	0.0804
2025-02-13	2024-12-31	13F	ON HLDG	NAMEN AKT A	H5919C104	28,875,965	462,738	1.63	1,581,537	10.99	0.0944
2024-11-13	2024-09-30	13F	ON HLDG	NAMEN AKT A	H5919C104	28,413,227	-8,300	-0.03	1,424,923	29.21	0.0867
2024-08-13	2024-06-30	13F	ON HLDG	NAMEN AKT A	H5919C104	28,421,527	0	0.00	1,102,755	9.67	0.0706
2024-05-13	2024-03-31	13F	ON HLDG	NAMEN AKT A	H5919C104	28,421,527	62,901	0.22	1,005,554	31.47	0.0675
2024-02-13	2023-12-31	13F	ON HLDG	NAMEN AKT A	H5919C104	28,358,626	15,151	0.05	764,832	-3.00	0.0588
2023-11-13	2023-09-30	13F	ON HLDG	NAMEN AKT A	H5919C104	28,343,475	62,289	0.22	788,515	-15.51	0.0682
2023-08-11	2023-06-30	13F	ON HLDG	NAMEN AKT A	H5919C104	28,281,186	83,548	0.30	933,279	6.66	0.0782
2023-08-11	2023-03-31	13F/A-1	ON HLDG	NAMEN AKT A	H5919C104	28,197,638	21,214	0.08	874,973	80.96	0.0800
2023-05-11	2023-03-31	13F	ON HLDG	NAMEN AKT A	H5919C104	28,197,638	21,214		874,973		0.0800
2023-02-13	2022-12-31	13F	ON HLDG	NAMEN AKT A	H5919C104	28,176,424	179,771	0.64	483,507	7.60	0.0480
2022-11-10	2022-09-30	13F	ON HLDG	NAMEN AKT A	H5919C104	27,996,653	-2,400	-0.01	449,346	-9.28	0.0469
2022-08-12	2022-06-30	13F	ON HLDG	NAMEN AKT A	H5919C104	27,999,053	17,190,987	159.06	495,302	81.56	0.0494
2022-05-13	2022-03-31	13F	ON HLDG	NAMEN AKT A	H5919C104	10,808,066	6,298,487	139.67	272,796	59.99	0.0218
2022-02-14	2021-12-31	13F	ON HLDG	NAMEN AKT A	H5919C104	4,509,579	679,855	17.75	170,507	47.77	0.0126
2022-02-14	2021-09-30	13F/A-1	ON HLDG	NAMEN AKT A	H5919C104	3,829,724	3,829,724		115,390		0.0092
2021-11-15	2021-09-30	13F	ON HLDG	NAMEN AKT A	H5919C104	3,829,724			115,390

Legend

Shares: The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value: The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price: The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class: This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred

Allocation (%): The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation: The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%): The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis: The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss: This is the market value of the position as of the effective date minus the cost basis.