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Public ownership evidence

On Holding AG (ONON) Ownership Disclosures

Read ONON insider transactions, institutional 13F filings and Congressional disclosures with report dates, public availability and original receipts.

As of 2026-11-07T14:03:26.246Z

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2026-09-232026-09-21Miele LauraA2,433Not reported

First displayed source row from Recent Form 4 activity. The full bounded history and coverage notes remain below.

The displayed observation date is 2026-09-21 and its public availability date is 2026-09-23. Subtracting those calendar dates gives 2 days of disclosure lag. Historical public research can use the record from the availability date, rather than backdating knowledge to the observation date. The calendar-day difference does not assert an intraday publication time.

This row is code A: a award. An award is an acquisition but is not an open-market purchase. A purchase-following rule must not count it as code P.

Open the linked original receipts to verify the row, then inspect a second record before drawing a pattern. This public filing observation supplies source evidence, not a completed copy-trading return.

SEC 0001670477-26-000011 ↗SEC 0001543789-26-000010 ↗SEC 0001550029-26-000009 ↗

Recent Form 4 activity

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2026-09-232026-09-21Miele LauraA2,433Not reported
2026-09-232026-09-21Durkin Dennis MA2,892Not reported
2026-09-232026-09-21Banse AmyA2,433Not reported
2026-09-232026-09-21Perez AlexandreA2,892Not reported
2026-09-232026-09-21Helmersson HelenaA2,433Not reported
2026-09-092026-09-08Maguire Scott AndrewS1,475Not reported
2026-09-092026-09-08Sluis FrankS687Not reported
2026-08-182026-08-14Coppetti Caspar FelixP65,000Not reported
2026-08-182026-08-14Bernhard OlivierP65,000Not reported

90-day public availability window, up to 50 records.

Recent institutional filing receipts

Inspect all 50 displayed rows: Recent institutional filing receipts

These are raw ticker-matched positions in recent 13F receipts, including amendments. They are not deduplicated current ownership totals. Open the manager profile to inspect its effective filing book.

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Cornerstone Financial Management LLC2026-03-312026-08-2912$408None
Cornerstone Financial Management LLC2025-12-312026-08-2912$558None
B. Riley Wealth Advisors, Inc.2025-03-312026-08-298,304$364,710None
Corient Private Wealth LP2026-06-302026-08-2817,295$612,848None
Advisors Asset Management, Inc.2025-03-312026-08-2710,581$464,718None
Advisors Asset Management, Inc.2025-09-302026-08-2710,265$434,723None
Groupe la Francaise2026-06-302026-08-2680$2,574None
Advisors Asset Management, Inc.2025-06-302026-08-2510,314$536,844None
First Eagle Investment Management, LLC2026-06-302026-08-25380$13,460None
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM2026-06-302026-08-253,192$113,061None
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM2026-06-302026-08-25113,061$3,192,000None
Advisors Asset Management, Inc.2024-09-302026-08-227,572$379,736None
Advisors Asset Management, Inc.2024-06-302026-08-224,950$192,060None
Advisors Asset Management, Inc.2024-12-312026-08-2210,695$585,765None
Advisors Asset Management, Inc.2025-12-312026-08-229,920$461,082None
SPX Gestao de Recursos Ltda2026-06-302026-08-20108,412$3,839,953None
MERCER GLOBAL ADVISORS INC /ADV2026-06-302026-08-2012,865$455,678None
CALIFORNIA FIRST LEASING CORP2026-06-302026-08-2084,100$2,978,822None
Beacon Pointe Advisors, LLC2026-06-302026-08-196,727$238,278None
Orion Capital Management LLC2026-06-302026-08-192,200$77,924None
RB Capital Management, LLC2026-06-302026-08-1927,429$971,535None
Ensign Peak Advisors, Inc2026-03-312026-08-1930,493$1,037,372None
Ensign Peak Advisors, Inc2025-12-312026-08-1910,493$487,715None
Ensign Peak Advisors, Inc2025-09-302026-08-1911,160$472,626None
Corient Private Wealth LP2026-06-302026-08-1817,592$623,368None
UNITED CAPITAL FINANCIAL ADVISORS, LLC2026-06-302026-08-185,943$210,501None
CAPSTONE INVESTMENT ADVISORS, LLC2026-06-302026-08-1810,622$376,231None
Equitable Holdings, Inc.2026-06-302026-08-1817,288$612,341None
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO2026-06-302026-08-1865,046$2,303,929None
MCGUIRE CAPITAL ADVISORS INC2026-06-302026-08-1527$956None
EFG International AG2026-06-302026-08-1525,985$920,389None
EFG International AG2026-06-302026-08-15123,026$4,356,351None
PLATINUM PARAMOUNT INVESTMENT LTD.2026-06-302026-08-1511,312,048$400,672,740None
Limestone Investment Advisors LP2026-06-302026-08-151,800$63,756Put
Limestone Investment Advisors LP2026-06-302026-08-154,000$141,680Call
Limestone Investment Advisors LP2026-06-302026-08-15170$6,021None
SMA Capital LLC2026-06-302026-08-1576,417$2,706,690None
Investors Portfolio Services LLC2026-06-302026-08-159$319None
SummitTX Capital, L.P.2026-06-302026-08-15375,171$13,288,557None
SEI INVESTMENTS CO2026-06-302026-08-15313,582$11,107,074None
SEI INVESTMENTS CO2026-06-302026-08-15608$21,530None
Aster Capital Management (DIFC) Ltd2026-06-302026-08-15618$21,890None
Federation des caisses Desjardins du Quebec2026-06-302026-08-1528,900$1,023,060None
Federation des caisses Desjardins du Quebec2026-06-302026-08-152,309$81,785None
SHELTON CAPITAL MANAGEMENT2026-06-302026-08-1545,330$1,605,589None
Marex Group Ltd2026-06-302026-08-1528,632$1,014,145None
SIH Partners, LLLP2026-06-302026-08-1527,940$989,635None
Basecamp Wealth Advisors LLC2026-06-302026-08-15129$4,569None
Ilex Capital Partners (UK) LLP2026-06-302026-08-153,028,301$107,262,421None
Quarry LP2026-06-302026-08-152,099$74,347None

90-day public filing window, up to 50 source positions.

Cornerstone Financial Management LLC ↗Cornerstone Financial Management LLC ↗B. Riley Wealth Advisors, Inc. ↗Corient Private Wealth LP ↗Advisors Asset Management, Inc. ↗Advisors Asset Management, Inc. ↗Groupe la Francaise ↗Advisors Asset Management, Inc. ↗First Eagle Investment Management, LLC ↗CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM ↗

Recent Congressional disclosures

No matching Congressional transactions were returned in this source preview.

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No records are available for this view.

Bounded public source preview, up to 25 disclosed events.

How to read the disclosure dates

The tables report different things: insider transactions, institutional positions and Congressional transaction ranges. Read each table with its source dates and units. They cannot be added into a combined ownership percentage.

  1. Company insiders

    SEC Form 4 purchases, sales and awards report transactions and their public filing availability.

  2. Institutional managers

    13F reports disclose delayed quarter-end positions. They are not a record of trades between quarters.

  3. Congressional filers

    Periodic transaction reports disclose transaction dates and amount brackets. Public filing dates determine what researchers could know.

Institutional source directory ↗Congressional source directory ↗

Read the transaction codes

Awards use transaction code A, purchases P and sales S. An acquisition from an award is not the same as an open-market purchase. Joint filers may share a transaction. Use original receipts and availability dates to interpret the events.