Among active 13F managers last quarter, 5 opened and 31 added, while 24 reduced; the largest holder to move was Lone Pine Capital LLC (new position). Over the last 180 days, 3 insiders bought and 3 insiders sold, a net +$9.8M in open-market trades.
Funds lean in and no leg opposes.
436 tracked 13F filers disclose a position in ONON as of the latest SEC 13F filings, a combined $6.4B in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
| # | Fund | Shares | Position value | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Morgan Stanley | 22.5M | $764.3M | ▼−6.8% Reduced · −1.7M sh | Q1 2026 | |
| 2 | FMR LLC | 16.0M | $568.1M | ▼−33% Reduced · −8.0M sh | Q2 2026 | |
| 3 | Lone Pine Capital LLC | 13.3M | $470.4M | ▲New +13.3M sh | Q2 2026 | |
| 4 | Sinvest Investments II Ltd. | 8.4M | $297.5M | —Held | Q2 2026 | |
| 5 | Sands Capital Management, LLC | 7.5M | $265.1M | ▲+18% Added · +1.2M sh | Q2 2026 | |
| 6 | UBS Group AG | 7.4M | $250.2M | ▲+100% Added · +3.7M sh | Q1 2026 | |
| 7 | Citadel Advisors LLC | 7.1M | $251.5M | ▲+85% Added · +3.3M sh | Q2 2026 | |
| 8 | AllianceBernstein L.P. | 5.7M | $264.6M | ▼−49% Reduced · −5.4M sh | Q1 2026 | |
| 9 | BlackRock, Inc. | 5.5M | $196.1M | ▼−3.9% Reduced · −227K sh | Q2 2026 | |
| 10 | Jane Street Group, LLC | 5.2M | $177.9M | ▲+548% Added · +4.4M sh | Q1 2026 | |
| 11 | JPMorgan Chase & Co | 4.1M | $130.1M | ▼−3.6% Reduced · −151K sh | Q1 2026 | |
| 12 | Ilex Capital Partners (UK) LLP | 3.0M | $107.3M | ▼−54% Reduced · −3.6M sh | Q2 2026 | |
| 13 | American Century Companies Inc | 2.9M | $100.2M | ▼−7.3% Reduced · −233K sh | Q1 2026 | |
| 14 | Norges Bank | 2.8M | $128.8M | ▲+4.0% Added · +108K sh | Q4 2025 | |
| 15 | Ameriprise Financial Inc | 2.6M | $86.3M | ▼−15% Reduced · −457K sh | Q1 2026 | |
| 16 | Goldman Sachs Group Inc | 2.6M | $88.3M | ▲+124% Added · +1.4M sh | Q1 2026 | |
| 17 | State Street Corp | 2.4M | $86.6M | ▼−3.3% Reduced · −83K sh | Q2 2026 | |
| 18 | Pertento Partners LLP | 2.2M | $78.9M | ▲+614% Added · +1.9M sh | Q2 2026 | |
| 19 | Federated Hermes, Inc. | 2.1M | $73.1M | ▲+141% Added · +1.3M sh | Q1 2026 | |
| 20 | Freestone Grove Partners LP | 2.0M | $71.7M | ▲2M× Added · +2.0M sh | Q2 2026 | |
| 21 | Clearbridge Investments, LLC | 2.0M | $67.0M | ▼−9.7% Reduced · −211K sh | Q1 2026 | |
| 22 | Jennison Associates LLC | 2.0M | $66.6M | ▼−27% Reduced · −741K sh | Q1 2026 | |
| 23 | Balyasny Asset Management L.P. | 1.9M | $63.9M | ▲+6.8% Added · +119K sh | Q1 2026 | |
| 24 | Franklin Templeton Inc | 1.8M | $60.9M | ▼−16% Reduced · −336K sh | Q1 2026 | |
| 25 | Millennium Management LLC | 1.7M | $57.4M | ▲+49% Added · +551K sh | Q1 2026 |
Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership. 1 value row is withheld because the reported units disagree with same-security peers; share counts are unchanged.
Last quarter, 5 funds opened a new position in ONON and 31 added to an existing one, while 24 reduced. Based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Their position there |
|---|---|---|
| Amazon.com IncAMZN | 260 funds | $188.0B |
| Nvidia CorpNVDA | 257 funds | $365.7B |
| Microsoft CorpMSFT | 256 funds | $232.2B |
| Meta Platforms Inc-Class AMETA | 252 funds | $103.4B |
| Alphabet Inc-CL AGOOGL | 247 funds | $161.2B |
| Eli Lilly & CoLLY | 247 funds | $78.5B |
| Apple IncAAPL | 242 funds | $258.8B |
| Visa Inc-Class A SharesV | 240 funds | $55.8B |
| JPMorgan Chase & CoJPM | 239 funds | $54.9B |
| Broadcom IncAVGO | 238 funds | $147.0B |
| Costco Wholesale CorpCOST | 236 funds | $34.3B |
| Advanced Micro DevicesAMD | 235 funds | $51.0B |
Ranked by how many of ONON's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in ONON.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Sep 8, 2026 | Sluis Frank | CFO | Sell (S) | 687 | $19K |
| Sep 8, 2026 | Maguire Scott Andrew | COO | Sell (S) | 1K | $41K |
| Aug 14, 2026 | Coppetti Caspar Felix | Executive Officer & Co-CEO, Director | Buy (P) | 65K | $2.0M |
| Aug 14, 2026 | Bernhard Olivier | Executive Officer, Director | Buy (P) | 65K | $2.0M |
| Jun 8, 2026 | Maguire Scott Andrew | COO | Sell (S) | 2K | $55K |
| May 14, 2026 | Allemann David Michael | Executive Officer & Co-CEO, Director | Buy (P) 2 lots, same day | 60K | $2.2M |
| May 14, 2026 | Bernhard Olivier | Executive Officer, Director | Buy (P) 2 lots, same day | 60K | $2.2M |
| May 14, 2026 | Coppetti Caspar Felix | Executive Officer & Co-CEO, Director | Buy (P) 2 lots, same day | 60K | $2.2M |
| Apr 27, 2026 | Hoffmann Martin | CEO | Sell (S) | 4K | $149K |
| Apr 20, 2026 | Hoffmann Martin | CEO | Sell (S) | 4K | $152K |
| Apr 13, 2026 | Hoffmann Martin | CEO | Sell (S) | 4K | $141K |
| Apr 6, 2026 | Hoffmann Martin | CEO | Sell (S) | 4K | $139K |
One row per insider, day and transaction code; shares and value are summed across the lots. Every lot is on the full insider page and in the filing.
Where institutional funds (13F), corporate insiders (Form 4) and US House members (STOCK Act) are buying or selling the same name in the same window. Green is buying, red is selling.
Insiders and Congress: last 180 days. Funds: latest 13F, top 100 holders incl. passive
| Source | Buying | Selling | Net |
|---|---|---|---|
13F funds Top 100 holders by value, passive included; the hero counts active managers only | 43 | 44 | – |
Insiders Form 4 open-market | 3 | 3 | +$9.8M |
US House STOCK Act trades | 0 | 0 | $0 |
Capital Rotation reports where institutional capital disclosed rotating, as of the latest public SEC 13F filings. It is data, not investment advice, a recommendation, or a prediction. Filings lag about 45 days and cover long US equity positions only. Past disclosed flows do not indicate future prices. Do your own research; consult a licensed advisor.
Connected entities for ONON
This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/ONON/capital-change-brief"
Use Arkolith's capital_change_brief for ONON. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for ONON. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.