HoldingsChannel.com
There is a long list of 53 institutional holders of ATOS within the last two holding periods in our database of 13F filers, so we've sorted through to present to you just the top 50 institutional holders of ATOS by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-ATOS table below, the initial column indicates the name of each top institutional holder of ATOS, with a link to that fund's top holdings. The next columns indicate the amount of ATOS stock held by each of the institutional holders of ATOS, followed by the ATOS position size held by the institution, and finally the date of the quarterly 13F filing period the holdings data represents for that institution.
| Holder | Amount | Position Size ($ in 1000's) | As of |
|---|---|---|---|
 Vanguard Group Inc. | 5,753,993 | $10,357 | 03/31/2024 |
| ATOS | 5,753,993 | $10,357 | 03/31/2024 |
| BlackRock Inc. | 2,751,263 | $4,952 | 03/31/2024 |
| ATOS | 2,751,263 | $4,952 | 03/31/2024 |
| Laurion Capital Management LP | 2,225,800 | $1,959 | 12/31/2023 |
| ATOS | 2,225,800 | $1,959 | 12/31/2023 |
| Renaissance Technologies LLC | 1,284,270 | $1,130 | 12/31/2023 |
| ATOS | 1,284,270 | $1,130 | 12/31/2023 |
| Geode Capital Management LLC | 1,114,924 | $981 | 12/31/2023 |
| ATOS | 1,114,924 | $981 | 12/31/2023 |
 Susquehanna International Group LLP | $515 | 03/31/2024 | |
| ATOS | 272,115 | $490 | 03/31/2024 |
| Call | 40,800 | $73 | 03/31/2024 |
| Put | 26,500 | $48 | 03/31/2024 |
| Group One Trading L.P. | $419 | 03/31/2024 | |
| Call | 131,800 | $237 | 03/31/2024 |
| ATOS | 106,708 | $192 | 03/31/2024 |
| Put | 5,800 | $10 | 03/31/2024 |
| State Street Corp | 436,271 | $384 | 12/31/2023 |
| ATOS | 436,271 | $384 | 12/31/2023 |
| Citigroup Inc. | 182,872 | $329 | 03/31/2024 |
| ATOS | 182,872 | $329 | 03/31/2024 |
| Bank of Montreal Can | 352,700 | $310 | 12/31/2023 |
| ATOS | 352,700 | $310 | 12/31/2023 |
| Connor Clark & Lunn Investment Management Ltd. | 153,125 | $276 | 03/31/2024 |
| ATOS | 153,125 | $276 | 03/31/2024 |
| Y Intercept Hong Kong Ltd | 114,341 | $206 | 03/31/2024 |
| ATOS | 114,341 | $206 | 03/31/2024 |
| Northern Trust Corp | 227,922 | $201 | 12/31/2023 |
| ATOS | 227,922 | $201 | 12/31/2023 |
| Two Sigma Investments LP | 161,320 | $142 | 12/31/2023 |
| ATOS | 161,320 | $142 | 12/31/2023 |
| Simplex Trading LLC | $136 | 03/31/2024 | |
| ATOS | 55,589 | $100 | 03/31/2024 |
| Call | 40,000 | $72 | 03/31/2024 |
| Put | 20,500 | $36 | 03/31/2024 |
| Morgan Stanley | 114,806 | $101 | 12/31/2023 |
| ATOS | 114,806 | $101 | 12/31/2023 |
| Mariner LLC | 105,910 | $93 | 12/31/2023 |
| ATOS | 105,910 | $93 | 12/31/2023 |
| Edmond DE Rothschild Holding S.A. | 50,000 | $90 | 03/31/2024 |
| ATOS | 50,000 | $90 | 03/31/2024 |
| Charles Schwab Investment Management Inc. | 45,962 | $83 | 03/31/2024 |
| ATOS | 45,962 | $83 | 03/31/2024 |
| LPL Financial LLC | 45,752 | $82 | 03/31/2024 |
| ATOS | 45,752 | $82 | 03/31/2024 |
| XTX Topco Ltd | 85,369 | $75 | 12/31/2023 |
| ATOS | 85,369 | $75 | 12/31/2023 |
| Caption Management LLC | $66 | 12/31/2023 | |
| Call | 75,000 | $66 | 12/31/2023 |
| CTC Alternative Strategies Ltd. | 36,300 | $65 | 03/31/2024 |
| ATOS | 36,300 | $65 | 03/31/2024 |
| Squarepoint Ops LLC | 63,065 | $55 | 12/31/2023 |
| ATOS | 63,065 | $55 | 12/31/2023 |
| Regions Financial Corp | 30,000 | $54 | 03/31/2024 |
| ATOS | 30,000 | $54 | 03/31/2024 |
| Commonwealth Equity Services LLC | 26,303 | $47 | 03/31/2024 |
| ATOS | 26,303 | $47 | 03/31/2024 |
| PFG Investments LLC | 23,650 | $43 | 03/31/2024 |
| ATOS | 23,650 | $43 | 03/31/2024 |
| Millennium Management LLC | 47,271 | $42 | 12/31/2023 |
| ATOS | 47,271 | $42 | 12/31/2023 |
| LVM Capital Management Ltd. MI | 21,000 | $38 | 03/31/2024 |
| ATOS | 21,000 | $38 | 03/31/2024 |
| Bank of New York Mellon Corp | 12,626 | $23 | 03/31/2024 |
| ATOS | 12,626 | $23 | 03/31/2024 |
| Two Sigma Advisers LP | 25,200 | $22 | 12/31/2023 |
| ATOS | 25,200 | $22 | 12/31/2023 |
| Advisor Group Holdings Inc. | 11,550 | $21 | 03/31/2024 |
| ATOS | 11,550 | $21 | 03/31/2024 |
| J. L. Bainbridge & Co. Inc. | 11,121 | $20 | 03/31/2024 |
| ATOS | 11,121 | $20 | 03/31/2024 |
| Raymond James Financial Services Advisors Inc. | 10,815 | $19 | 03/31/2024 |
| ATOS | 10,815 | $19 | 03/31/2024 |
| Tower Research Capital LLC TRC | 10,749 | $9 | 12/31/2023 |
| ATOS | 10,749 | $9 | 12/31/2023 |
| Atria Wealth Solutions Inc. | 10,000 | $9 | 12/31/2023 |
| ATOS | 10,000 | $9 | 12/31/2023 |
| BNP Paribas Arbitrage SA | 4,555 | $8 | 03/31/2024 |
| ATOS | 4,555 | $8 | 03/31/2024 |
| Silicon Valley Capital Partners | 3,875 | $7 | 03/31/2024 |
| ATOS | 3,875 | $7 | 03/31/2024 |
| FMR LLC | 4,163 | $4 | 12/31/2023 |
| ATOS | 4,163 | $4 | 12/31/2023 |
| St. Johns Investment Management Company LLC | 1,550 | $3 | 03/31/2024 |
| ATOS | 1,550 | $3 | 03/31/2024 |
| Wells Fargo & Company MN | 921 | $2 | 03/31/2024 |
| ATOS | 921 | $2 | 03/31/2024 |
| Bank of America Corp DE | 2,116 | $2 | 12/31/2023 |
| ATOS | 2,116 | $2 | 12/31/2023 |
| Harbour Investments Inc. | 1,711 | $2 | 12/31/2023 |
| ATOS | 1,711 | $2 | 12/31/2023 |
| Allworth Financial LP | 702 | $1 | 03/31/2024 |
| ATOS | 702 | $1 | 03/31/2024 |
| TD Waterhouse Canada Inc. | 700 | $1 | 03/31/2024 |
| ATOS | 700 | $1 | 03/31/2024 |
| JPMorgan Chase & Co. | 94 | $0 | 03/31/2024 |
| ATOS | 94 | $0 | 03/31/2024 |
| Proequities Inc. | $0 | 03/31/2024 | |
| Put | 0 | $0 | 03/31/2024 |
| ATOS | 0 | $0 | 03/31/2024 |
| Call | 0 | $0 | 03/31/2024 |
| NBC Securities Inc. | 150 | $0 | 03/31/2024 |
| ATOS | 150 | $0 | 03/31/2024 |
| Delos Wealth Advisors LLC | 100 | $0 | 03/31/2024 |
| ATOS | 100 | $0 | 03/31/2024 |
| Clearstead Advisors LLC | 70 | $0 | 12/31/2023 |
| ATOS | 70 | $0 | 12/31/2023 |
See All: Funds Holding ATOS
See Details: Top 10 Hedge Funds Holding ATOS
Also See: ATOS Insider Buying
Also See: ATOS Holdings Changes
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