AccurayARAY
13F holders, Q1 2026 (March 31)125holders
26new positions
26sold out
4famous investors
$0.36avg. 13F price*
At the end of Q1 2026, 125 institutions reported holding Accuray Inc. (ARAY) in their 13F filings, unchanged from Q4 2025. 26 opened new positions and 26 sold out. The largest holders were TCW Group Inc. ($4.1M), BlackRock, Inc. ($3.3M) and Neuberger Berman Group LLC ($2.3M). 4 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- Accuray Inc.
- CUSIP
- 004397105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 26 | $307K |
| Exits | 26 | $2.3M |
All 13F filers, Q4 2025 → Q1 2026: 6,346,566 shares bought and 8,086,905 shares sold, net −1,740,339 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 125 holders
| TCW Group Inc. | 0.03% | No change | 15,467,952 | $4.1M |
| BlackRock, Inc. | 0.00% | Reduce -1.0% | 8,458,409 | $3.3M |
| Neuberger Berman Group LLC | 0.00% | Add +17.9% | 5,855,064 | $2.3M |
| Armistice Capital, LLC | 0.07% | Add +25.2% | 5,636,000 | $2.2M |
| Weber Capital Management LLC | 1.96% | No change | 5,055,294 | $2.0M |
| Vanguard Capital Management LLC | 0.00% | — | 4,430,392 | $1.7M |
| Geode Capital Management, LLC | 0.00% | Reduce -3.9% | 2,380,839 | $924K |
| Mackenzie Financial Corp. | 0.00% | Add +22.3% | 2,346,360 | $911K |
| Renaissance Technologies | 0.00% | Reduce -6.6% | 2,290,984 | $889K |
| State Street Corp. | 0.00% | Add +1.1% | 2,017,653 | $783K |
| Heartland Advisors Inc. | 0.04% | Reduce -40.6% | 1,977,450 | $767K |
| DAFNA Capital Management LLC | 0.15% | Add +20.4% | 1,680,508 | $652K |
| Silverback Asset Management LLC | 2.39% | Add +7.7% | 1,650,000 | $640K |
| UBS Group AG | 0.00% | Add +283.5% | 1,401,766 | $544K |
| FMR LLC | 0.00% | Add +21.2% | 1,288,788 | $500K |
| Parkman Healthcare Partners LLC | 0.04% | Add +3.8% | 884,578 | $343K |
| Goldman Sachs Group Inc. | 0.00% | Add +11.3% | 861,635 | $334K |
| D. E. Shaw & Co. | 0.00% | Reduce -49.9% | 843,646 | $327K |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 765,448 | $297K |
| Kovack Advisors, Inc. | 0.02% | Reduce -22.6% | 738,096 | $287K |
| Northern Trust Corp. | 0.00% | Reduce -5.7% | 717,045 | $278K |
| Silverberg Bernstein Capital Management LLC | 0.14% | Add +1.1% | 655,681 | $254K |
| AQR Capital Management | 0.00% | Add +1347.7% | 617,477 | $240K |
| Vanguard Portfolio Management LLC | 0.00% | — | 595,229 | $231K |
| Squarepoint Ops LLC | 0.00% | New | 547,076 | $212K |
| TENOR CAPITAL MANAGEMENT Co., L.P. | 0.01% | No change | 500,000 | $194K |
| Acadian Asset Management LLC | 0.00% | Reduce -30.8% | 394,270 | $152K |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.00% | Add +17.8% | 334,023 | $130K |
| Invesco Ltd. | 0.00% | Add +34.0% | 328,175 | $127K |
| Nuveen, LLC | 0.00% | Add +0.6% | 295,412 | $115K |
| Dimensional Fund Advisors LP | 0.00% | Reduce -0.0% | 294,903 | $114K |
| Morgan Stanley | 0.00% | Reduce -39.3% | 288,813 | $112K |
| Deutsche Bank AG | 0.00% | Add +176.8% | 245,107 | $96K |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -36.6% | 239,163 | $93K |
| Bank of New York Mellon Corp | 0.00% | No change | 219,959 | $85K |
| Tudor Investment Corporation | 0.00% | No change | 211,597 | $82K |
| Assenagon Asset Management S.A. | 0.00% | Reduce -0.6% | 204,015 | $79K |
| Barclays PLC | 0.00% | Reduce -42.5% | 184,610 | $72K |
| Williams & Novak, LLC | 0.05% | Add +53.1% | 182,030 | $71K |
| Bank of America Corp. | 0.00% | Add +9.8% | 172,109 | $67K |
| North Star Investment Management Corp. | 0.00% | Reduce -75.9% | 164,620 | $64K |
| Jacobs Levy Equity Management, Inc. | 0.00% | Reduce -77.9% | 162,505 | $63K |
| Wells Fargo & Company | 0.00% | Reduce -32.9% | 147,547 | $57K |
| Schonfeld Strategic Advisors LLC | 0.00% | Reduce -55.1% | 132,292 | $51K |
| Gsa Capital Partners LLP | 0.00% | Add +606.0% | 128,065 | $50K |
| Alliancebernstein L.P. | 0.00% | No change | 54,730 | $45K |
| HSBC Holdings PLC | 0.00% | No change | 111,442 | $41K |
| Sei Investments Co. | 0.00% | Add +6.5% | 88,948 | $35K |
| JPMorgan Chase & Co. | 0.00% | Add +98.1% | 79,843 | $27K |
| Rhumbline Advisers | 0.00% | Reduce -15.9% | 69,376 | $27K |
| Marshall Wace, LLP | 0.00% | Add +213.7% | 68,751 | $27K |
| Franklin Resources Inc. | 0.00% | Add +201.8% | 65,681 | $25K |
| Panagora Asset Management Inc. | 0.00% | Reduce -34.5% | 55,648 | $22K |
| Perkins Capital Management Inc. | 0.02% | Reduce -39.3% | 52,500 | $20K |
| T. Rowe Price Associates Inc. | 0.00% | No change | 50,833 | $20K |
| BNP Paribas Financial Markets | 0.00% | Add +24.7% | 50,775 | $20K |
| Mariner, LLC | 0.00% | Add +78.3% | 49,226 | $19K |
| Janney Montgomery Scott LLC | 0.00% | No change | 50,032 | $19K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +2.4% | 47,130 | $18K |
| Gabelli Funds LLC | 0.00% | No change | 43,800 | $17K |
| Ieq Capital, LLC | 0.00% | New | 43,427 | $17K |
| Vanguard Global Advisers, LLC | 0.00% | — | 41,222 | $16K |
| Cerity Partners LLC | 0.00% | New | 35,484 | $14K |
| Susquehanna International Group, LLP | 0.00% | Reduce -58.6% | 33,777 | $13K |
| Thrivent Financial for Lutherans | 0.00% | Add +7.2% | 34,080 | $13K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +142.6% | 30,839 | $12K |
| Intech Investment Management LLC | 0.00% | Reduce -30.3% | 29,777 | $12K |
| New York State Common Retirement Fund | 0.00% | No change | 29,096 | $11K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 28,113 | $11K |
| Cwm, LLC | 0.00% | Add +405.7% | 26,718 | $10K |
| Two Sigma Investments, LP | 0.00% | Reduce -90.1% | 23,400 | $9K |
| Harbour Investments, Inc. | 0.00% | Add +591.1% | 23,361 | $9K |
| Oppenheimer & Co. Inc. | 0.00% | New | 21,000 | $8K |
| R Squared Ltd | 0.00% | New | 20,418 | $8K |
| Flow Traders U.S. LLC | 0.00% | New | 17,752 | $7K |
| Teton Advisors, LLC | 0.00% | Reduce -10.0% | 18,000 | $7K |
| Mercer Global Advisors Inc. | 0.00% | New | 16,911 | $7K |
| Abel Hall, LLC | 0.00% | New | 16,427 | $6K |
| Prudential Financial Inc. | 0.00% | Add +10.2% | 16,005 | $6K |
| Wealth Enhancement Advisory Services, LLC | 0.00% | New | 14,633 | $6K |
| LPL Financial LLC | 0.00% | Reduce -57.3% | 14,541 | $6K |
| ProShare Advisors LLC | 0.00% | Reduce -20.7% | 14,364 | $6K |
| Creative Planning | 0.00% | New | 14,112 | $5K |
| Sawgrass Asset Management LLC | 0.00% | Reduce -2.3% | 13,832 | $5K |
| Associated Banc-Corp | 0.00% | No change | 13,675 | $5K |
| Bridgeway Capital Management, LLC | 0.00% | Reduce -92.4% | 13,300 | $5K |
| Victory Capital Management Inc. | 0.00% | Add +3.5% | 12,908 | $5K |
| Two Sigma Securities, LLC | 0.00% | New | 11,298 | $4K |
| Envestnet Asset Management Inc. | 0.00% | New | 10,378 | $4K |
| Principal Financial Group Inc. | 0.00% | New | 10,275 | $4K |
| MML Investors Services, LLC | 0.00% | No change | 10,000 | $4K |
| Legal & General Group Plc | 0.00% | Reduce -15.8% | 9,424 | $4K |
| Russell Investments Group, Ltd. | 0.00% | No change | 8,401 | $3K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 7,702 | $3K |
| Citigroup Inc. | 0.00% | Add +39.0% | 5,165 | $2K |
| Fifth Third Bancorp | 0.00% | New | 4,256 | $2K |
| Allworth Financial LP | 0.00% | Add +33.7% | 3,878 | $2K |
| Public Employees Retirement System of Ohio | 0.00% | Reduce -96.0% | 3,075 | $1K |
| Simplex Trading, LLC | 0.00% | New | 2,886 | $1K |
| Optiver Holding B.V. | 0.00% | No change | 1,712 | $664 |
"% of holder's portfolio" is ARAY's weight in each manager's 13F, not the share of Accuray Inc. the manager owns.