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ONON

ONON

ON HLDG AG

Data as of 2026 Q2 (06-30) · 13F snapshot

Summary
ON HLDG AG (ONON) is held as common stock by 7 tracked hedge-fund managers, with a combined reported value of ~$859.66M; the largest are Stephen Mandel, Ken Griffin, Izzy Englander. 4 tracked managers also disclosed PUT or CALL positions, reported separately below. This quarter: 2 new, 2 added, 2 trimmed, 1 closed. 2 public STOCK Act / OGE trade disclosures are on record. Data as of 2026 Q2, from public SEC 13F filings, delayed up to ~45 days.
Attention · MediumThis quarter · Mixed
Common-stock holders74 also report options
Congress trades2
Price$30.00vs quarter-end-15.30%
Sectors0
This quarter's moves
New2
Added2
Trimmed / sold3
Top holderStephen Mandel

Common-stock positions

PUT and CALL disclosures are excluded from these holder counts and values.

Stephen MandelNew large stake
Value $470.38M2.9% of portfolio13,280,0302026 Q2
Value $17.71M0.1% of portfolio500,0002026 Q2

PUT / CALL disclosures

Reported separately: 13F option values are not common-stock ownership and do not reveal the full strategy or economic exposure.

Value $62.25M— of portfolio1,757,5002026 Q2
Value $22.45M— of portfolio633,9002026 Q2
Value $18.19M— of portfolio513,5002026 Q2
Value $17.28M— of portfolio487,8002026 Q2
Value $1.71M— of portfolio48,3002026 Q2
Value $1.49M— of portfolio42,1002026 Q2
Value $1.33M— of portfolio37,5002026 Q2
Value $1.07M— of portfolio30,2002026 Q2

Insider Trading

Officers · directors · Form 4
Open-market purchases and sales (P/S)7
  • Scott Andrew Maguire

    COO

    Sell$40.9K
    1,475 @ $27.74Traded 2026-09-05Filed 2026-09-09
  • Frank Sluis

    CFO

    Sell$19.1K
    687 @ $27.74Traded 2026-09-05Filed 2026-09-09
  • Olivier Bernhard

    Executive Officer

    Buy$1.99M
    65,000 @ $30.67Traded 2026-08-14Filed 2026-08-17
  • Caspar Felix Coppetti

    Executive Officer & Co-CEO

    Buy$1.99M
    65,000 @ $30.67Traded 2026-08-14Filed 2026-08-17
  • Scott Andrew Maguire

    COO

    Sell$55.4K
    1,534 @ $36.08Traded 2026-06-05Filed 2026-06-09
  • Olivier Bernhard

    Executive Officer

    Buy$1.87M
    50,856 @ $36.75Traded 2026-05-14Filed 2026-05-15
  • Caspar Felix Coppetti

    Executive Officer & Co-CEO

    Buy$1.87M
    50,853 @ $36.75Traded 2026-05-14Filed 2026-05-15

Insider transactions are public SEC Form 4 disclosures (company officers, directors, 10% owners), for research only — not investment advice.

Public SEC 13F filings may appear up to 45 days after quarter-end; STOCK Act / OGE trade filings are generally due within 45 days but may be late. Partial data only — research, not investment advice.