ON HLDG AG (ONON) Top Institutional Shareholders
ON HLDG AG (ONON) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $6.77B in ONON holdings during the latest filing period.
Fmr Llc is currently the largest disclosed institutional shareholder of ONON tracked by InsiderSet, reporting ownership valued at approximately $819.18M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $908.28M, representing an estimated gain of +10.88% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 55% of the total disclosed ONON value among the investors covered in this analysis. Major shareholders include Fmr Llc, Morgan Stanley, Platinum Paramount Investment Ltd., and several other long-term asset managers with concentrated positions in ON HLDG AG (ONON).
This page ranks the largest institutional ONON shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
489
Total Reported Value
$6.77B
Largest Holder
Fmr Llc
Largest Position
$819.18M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
58
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Fmr Llc | 0.04% | 24,079,437 | $819,182,447 | $908,276,364 | +$89,093,917 | +10.88% | |
| Morgan Stanley | 0.05% | 22,466,362 | $764,305,648 | $847,431,175 | +$83,125,527 | +10.88% | |
| Platinum Paramount Investment Ltd. | 55.84% | 11,312,048 | $384,835,873 | $426,690,451 | +$41,854,578 | +10.88% | |
| Bamco Inc | 1.00% | 9,714,605 | $330,490,862 | $366,434,901 | +$35,944,039 | +10.88% | |
| Sinvest Investments Ii Ltd. | 100.00% | 8,400,000 | $285,768,000 | $316,848,000 | +$31,080,000 | +10.88% | |
| Alliancebernstein L.P. | 0.09% | 5,693,575 | $264,637,366 | $214,761,649 | -$49,875,717 | -18.85% | |
| Ubs Group Ag | 0.04% | 7,354,877 | $250,212,916 | $277,425,960 | +$27,213,044 | +10.88% | |
| Ilex Capital Partners (Uk) Llp | 5.52% | 6,586,000 | $224,055,720 | $248,423,920 | +$24,368,200 | +10.88% | |
| Sands Capital Management, Llc | 0.84% | 6,325,547 | $215,195,109 | $238,599,633 | +$23,404,524 | +10.88% | |
| Blackrock, Inc. | 0.00% | 5,763,262 | $196,066,175 | $217,390,243 | +$21,324,068 | +10.88% | |
| Jane Street Group, Llc | 0.19% | 5,228,806 | $177,883,980 | $197,230,562 | +$19,346,582 | +10.88% | |
| Citadel Advisors Llc | 0.09% | 3,847,157 | $130,880,281 | $145,114,762 | +$14,234,481 | +10.88% | |
| American Century Companies Inc | 0.05% | 2,944,712 | $100,179,103 | $111,074,537 | +$10,895,434 | +10.88% | |
| Wellington Management Group Llp | 0.02% | 2,689,211 | $91,486,958 | $101,437,039 | +$9,950,081 | +10.88% | |
| Goldman Sachs Group Inc | 0.01% | 2,594,897 | $88,278,400 | $97,879,515 | +$9,601,115 | +10.88% | |
| Ameriprise Financial Inc | 0.02% | 2,601,088 | $86,328,268 | $98,113,039 | +$11,784,771 | +13.65% | |
| State Street Corp | 0.00% | 2,528,520 | $86,020,250 | $95,375,774 | +$9,355,524 | +10.88% | |
| Select Equity Group, L.P. | 0.45% | 2,466,291 | $83,903,220 | $93,028,497 | +$9,125,277 | +10.88% | |
| Federated Hermes, Inc. | 0.12% | 2,149,871 | $73,138,612 | $81,093,134 | +$7,954,522 | +10.88% | |
| Holocene Advisors, Lp | 0.17% | 2,113,450 | $71,899,569 | $79,719,334 | +$7,819,765 | +10.88% | |
| Clearbridge Investments, Llc | 0.06% | 1,968,883 | $66,981,400 | $74,266,267 | +$7,284,867 | +10.88% | |
| Jennison Associates Llc | 0.05% | 1,957,674 | $66,600,058 | $73,843,463 | +$7,243,405 | +10.88% | |
| Balyasny Asset Management L.P. | 0.13% | 1,877,239 | $63,863,671 | $70,809,455 | +$6,945,784 | +10.88% | |
| Franklin Resources Inc | 0.01% | 1,790,706 | $60,919,804 | $67,545,430 | +$6,625,626 | +10.88% | |
| Fenghe Fund Management Pte. Ltd. | 7.99% | 1,699,520 | $57,817,670 | $64,105,894 | +$6,288,224 | +10.88% | |
| Millennium Management Llc | 0.04% | 1,686,548 | $57,376,363 | $63,616,591 | +$6,240,228 | +10.88% | |
| Nomura Asset Management International Inc. | 0.09% | 1,530,016 | $52,051,000 | $57,712,204 | +$5,661,204 | +10.88% | |
| Geode Capital Management, Llc | 0.00% | 1,523,601 | $51,832,905 | $57,470,230 | +$5,637,325 | +10.88% | |
| Bank Of America Corp | 0.00% | 1,290,031 | $43,886,867 | $48,659,969 | +$4,773,102 | +10.88% | |
| Marshall Wace, Llp | 0.05% | 1,264,008 | $43,001,553 | $47,678,382 | +$4,676,829 | +10.88% | |
| Thorntree Capital Partners Lp | 7.23% | 1,197,338 | $40,733,439 | $45,163,589 | +$4,430,150 | +10.88% | |
| Susquehanna International Group, Llp | 0.05% | 1,071,193 | $36,441,986 | $40,405,400 | +$3,963,414 | +10.88% | |
| Apeiron Capital Ltd | 31.69% | 996,052 | $33,885,689 | $37,571,081 | +$3,685,392 | +10.88% | |
| Ogborne Capital Management, Llc | 16.45% | 951,175 | $32,358,974 | $35,878,321 | +$3,519,347 | +10.88% | |
| Fiera Capital Corp | 0.11% | 938,177 | $31,916,782 | $35,388,036 | +$3,471,254 | +10.88% | |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.06% | 871,728 | $29,656,187 | $32,881,580 | +$3,225,393 | +10.88% | |
| Citigroup Inc | 0.02% | 852,965 | $29,017,870 | $32,173,840 | +$3,155,970 | +10.88% | |
| Pictet Asset Management Holding Sa | 0.03% | 736,025 | $25,039,571 | $27,762,863 | +$2,723,292 | +10.88% | |
| Alyeska Investment Group, L.P. | 0.07% | 700,000 | $23,814,000 | $26,404,000 | +$2,590,000 | +10.88% | |
| Bwcp, Lp | 3.53% | 680,733 | $23,158,537 | $25,677,249 | +$2,518,712 | +10.88% | |
| Cerity Partners Llc | 0.03% | 677,133 | $23,036,064 | $25,541,457 | +$2,505,393 | +10.88% | |
| Impax Asset Management Group Plc | 0.16% | 672,474 | $22,877,565 | $25,365,719 | +$2,488,154 | +10.88% | |
| Janus Henderson Group Plc | 0.01% | 671,654 | $22,849,669 | $25,334,789 | +$2,485,120 | +10.88% | |
| Ossiam | 0.40% | 671,512 | $22,844,838 | $25,329,433 | +$2,484,595 | +10.88% | |
| Voya Investment Management Llc | 0.02% | 654,664 | $22,271,670 | $24,693,926 | +$2,422,256 | +10.88% | |
| Villere St Denis J & Co Llc | 2.31% | 615,787 | $20,949,073 | $23,227,486 | +$2,278,413 | +10.88% | |
| Bridgewater Associates, Lp | 0.09% | 610,088 | $20,755,194 | $23,012,519 | +$2,257,325 | +10.88% | |
| Kayne Anderson Rudnick Investment Management Llc | 0.06% | 589,015 | $20,038,291 | $22,217,646 | +$2,179,355 | +10.88% | |
| Manufacturers Life Insurance Company, The | 0.02% | 563,920 | $19,184,558 | $21,271,062 | +$2,086,504 | +10.88% | |
| Wells Fargo & Company/Mn | 0.00% | 554,524 | $18,864,892 | $20,916,645 | +$2,051,753 | +10.88% |
Frequently asked questions about ONON
Who owns the most ONON stock?
The largest holders of ONON are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for ON HLDG AG (ONON).
Is ONON widely held by superinvestors?
Many widely followed stocks like ONON appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly ONON is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.