13F Insight
DOSSIER · 13F Holders · Q1 2026

ON HLDG AG

507 institutions still hold ON HLDG AG as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP H5919C104·507 13F holders·last filed Mar 31, 2026
Market cap
—
13F value held
$5.4B
visible holders
Holders
507
filers reporting
Concentration
15.20%
FMR LLC #1
top holder share
AI Holders Summary · Q1 2026

507 institutions reported ON HLDG AG in Q1 2026. FMR LLC leads at 15.2% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
FMR LLC
CIK 0000315066
$819M24.1M0.04%Q1 202602
MORGAN STANLEY
CIK 0000895421
$764M22.5M0.05%Q1 202603
PLATINUM PARAMOUNT INVESTMENT LTD.
CIK 0002089123
$385M11.3M55.84%Q1 202604
BAMCO INC /NY/
CIK 0001017918
$330M9.7M1.00%Q1 202605
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$325M9.6M0.04%Q1 202606
CITADEL ADVISORS LLC
CIK 0001423053
$307M6.6M0.05%Q4 202507
Sinvest Investments II Ltd.
CIK 0002096569
$298M8.4M100.00%Q2 202608
UBS Group AG
CIK 0001610520
$294M8.6M0.04%Q1 202609
ALLIANCEBERNSTEIN L.P.
CIK 0001109448
$265M5.7M0.09%Q1 202610
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$239M7.0M0.03%Q1 202611
Ilex Capital Partners (UK) LLP
CIK 0001985486
$224M6.6M5.52%Q1 202612
SANDS CAPITAL MANAGEMENT, LLC
CIK 0001020066
$215M6.3M0.84%Q1 202613
BlackRock, Inc.
CIK 0002012383
$196M5.5M0.00%Q2 202614
Select Equity Group, L.P.
CIK 0001592643
$136M2.9M0.59%Q4 202515
JPMORGAN CHASE & CO
CIK 0000019617
$130M4.1M0.01%Q1 202616
AMERICAN CENTURY COMPANIES INC
CIK 0000748054
$100M2.9M0.05%Q1 202617
GOLDMAN SACHS GROUP INC
CIK 0000886982
$98M2.9M0.01%Q1 202618
WELLINGTON MANAGEMENT GROUP LLP
CIK 0000902219
$91M2.7M0.02%Q1 202619
STATE STREET CORP
CIK 0000093751
$87M2.4M0.00%Q2 202620
AMERIPRISE FINANCIAL INC
CIK 0000820027
$86M2.6M0.02%Q1 2026
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