Accuray Inc: which funds bought and sold
Institutions that bought and sold Accuray shares in Q2 2026, from the holdings they reported to the SEC on Form 13F for March 31, 2026 and June 30, 2026.
Between March 31, 2026 and June 30, 2026, 60 institutions that filed 13F reports for both quarters added to or opened positions in Accuray, and 67 cut or closed them. Together they sold a net 4.0M shares, −5.3% on what they held at the start of the quarter. Active managers and hedge funds on our list were net buyers of 7.8M shares (+23.0%); index fund managers were net sellers of 9.4M shares (−47.5%). 25 opened a new position and 39 sold out entirely.
Bought, Q2 2026 60 institutions, 25 of them new holders Sold, Q2 2026 67 institutions, 39 of them sold out
Net change, all compared −4.0M shares (−5.3%)
Net change, active managers +7.8M shares (+23.0%), 12 bought, 12 sold
Buyers versus sellers
60 bought 20 67 sold
Active managers and hedge funds 12 bought · 12 sold · +7.8M
Index fund managers 1 bought · 9 sold · −9.4M
Other institutions 47 bought · 46 sold · −2.5M
Biggest buyers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| TCW Group Inc Active manager | +3.5M +22.5% | 18.9M | $4.1M |
| Jane Street Group, LLC | +2.1M New position | 2.1M | $551,620 |
| AQR Capital Management LLC Hedge fund | +2.1M +340.3% | 2.7M | $700,967 |
| Millennium Management LLC Hedge fund | +1.6M New position | 1.6M | $409,682 |
| Squarepoint Ops LLC Hedge fund | +901K +164.7% | 1.4M | $373,355 |
| Susquehanna International Group, LLP | +792K +2344.3% | 826K | $212,841 |
| Qube Research & Technologies Ltd Hedge fund | +348K New position | 348K | $89,589 |
| Kovack Advisors, Inc. | +313K +42.4% | 1.1M | $272,708 |
| Jpmorgan Chase & Co | +297K +371.8% | 377K | $97,828 |
| Ieq Capital, LLC | +290K +667.4% | 333K | $85,916 |
| UBS Group AG | +222K +15.9% | 1.6M | $418,983 |
| Neuberger Berman Group LLC Active manager | +219K +3.7% | 6.1M | $1.6M |
| Assenagon Asset Management S.A. | +204K +100.0% | 408K | $105,190 |
| Tudor Investment Corp Et Al Hedge fund | +181K +85.4% | 392K | $101,118 |
| Xtx Topco Ltd | +161K New position | 161K | $41,480 |
| Armistice Capital, LLC Hedge fund | +100K +1.8% | 5.7M | $1.5M |
| North Star Investment Management Corp. | +100K +60.7% | 265K | $68,219 |
| FMR LLC Active manager | +87K +6.7% | 1.4M | $354,667 |
| Wealth Enhancement Advisory Services, LLC | +80K +549.0% | 95K | $19,148 |
| Mariner, LLC | +78K +158.9% | 127K | $32,855 |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| TCW Group Inc Active manager | +3.5M +22.5% | 18.9M | $4.1M |
| AQR Capital Management LLC Hedge fund | +2.1M +340.3% | 2.7M | $700,967 |
| Millennium Management LLC Hedge fund | +1.6M New position | 1.6M | $409,682 |
| Squarepoint Ops LLC Hedge fund | +901K +164.7% | 1.4M | $373,355 |
| Qube Research & Technologies Ltd Hedge fund | +348K New position | 348K | $89,589 |
| Neuberger Berman Group LLC Active manager | +219K +3.7% | 6.1M | $1.6M |
| Tudor Investment Corp Et Al Hedge fund | +181K +85.4% | 392K | $101,118 |
| Armistice Capital, LLC Hedge fund | +100K +1.8% | 5.7M | $1.5M |
| FMR LLC Active manager | +87K +6.7% | 1.4M | $354,667 |
| Point72 Asset Management, L.P. Hedge fund | +48K New position | 48K | $12,259 |
Biggest sellers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Blackrock, Inc. Index funds | −5.2M −61.4% | 3.3M | $842,023 |
| Mackenzie Financial Corp | −2.3M Sold out | 0 | — |
| Heartland Advisors Inc | −2.0M Sold out | 0 | — |
| State Street Corp Index funds | −1.5M −75.9% | 486K | $125,256 |
| Geode Capital Management, LLC Index funds | −1.2M −50.0% | 1.2M | $306,731 |
| Parkman Healthcare Partners LLC | −885K Sold out | 0 | — |
| Vanguard Portfolio Management LLC Index funds | −595K Sold out | 0 | — |
| Northern Trust Corp Index funds | −453K −63.2% | 264K | $67,946 |
| Acadian Asset Management LLC Active manager | −394K Sold out | 0 | — |
| Mitsubishi Ufj Asset Management Co., Ltd. | −334K Sold out | 0 | — |
| Nuveen, LLC | −295K Sold out | 0 | — |
| Dimensional Fund Advisors LP | −277K −93.8% | 18K | $4,717 |
| Deutsche Bank Ag\ | −245K Sold out | 0 | — |
| Charles Schwab Investment Management Inc Index funds | −239K Sold out | 0 | — |
| Renaissance Technologies LLC Hedge fund | −226K −9.9% | 2.1M | $532,430 |
| Bank Of New York Mellon Corp | −220K Sold out | 0 | — |
| Invesco Ltd. | −209K −63.8% | 119K | $30,602 |
| Silverback Asset Management LLC | −200K −12.1% | 1.4M | $373,810 |
| D. E. Shaw & Co., Inc. Hedge fund | −194K −23.0% | 649K | $167,403 |
| Gsa Capital Partners LLP | −128K Sold out | 0 | — |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Acadian Asset Management LLC Active manager | −394K Sold out | 0 | — |
| Renaissance Technologies LLC Hedge fund | −226K −9.9% | 2.1M | $532,430 |
| D. E. Shaw & Co., Inc. Hedge fund | −194K −23.0% | 649K | $167,403 |
| Jacobs Levy Equity Management, Inc Active manager | −119K −73.0% | 44K | $11,322 |
| Marshall Wace, LLP Hedge fund | −69K Sold out | 0 | — |
| Franklin Resources Inc Active manager | −66K Sold out | 0 | — |
| Panagora Asset Management Inc Active manager | −56K Sold out | 0 | — |
| Alliancebernstein L.P. Active manager | −55K Sold out | 0 | — |
| Price T Rowe Associates Inc Active manager | −51K Sold out | 0 | — |
| Schonfeld Strategic Advisors LLC Hedge fund | −45K −33.7% | 88K | $22,603 |
New positions
| Institution | Shares | Value June 30, 2026 |
|---|---|---|
| Jane Street Group, LLC | 2.1M | $551,620 |
| Millennium Management LLCHedge fund | 1.6M | $409,682 |
| Qube Research & Technologies LtdHedge fund | 348K | $89,589 |
| Xtx Topco Ltd | 161K | $41,480 |
| Virtu Financial LLC | 54K | $14,000 |
| Point72 Asset Management, L.P.Hedge fund | 48K | $12,259 |
| Stonex Group Inc. | 33K | $12,102 |
| Callan Family Office, LLC | 42K | $10,927 |
| Captrust Financial Advisors | 39K | $9,956 |
| Citadel Advisors LLCHedge fund | 32K | $8,134 |
Sold out
| Institution | Shares | Value March 31, 2026 |
|---|---|---|
| Mackenzie Financial Corp | 2.3M | $910,622 |
| Heartland Advisors Inc | 2.0M | $767,448 |
| Parkman Healthcare Partners LLC | 885K | $343,305 |
| Vanguard Portfolio Management LLCIndex funds | 595K | $230,949 |
| Acadian Asset Management LLCActive manager | 394K | $152,000 |
| Mitsubishi Ufj Asset Management Co., Ltd. | 334K | $129,634 |
| Nuveen, LLC | 295K | $114,649 |
| Deutsche Bank Ag\ | 245K | $95,592 |
| Charles Schwab Investment Management IncIndex funds | 239K | $92,819 |
| Bank Of New York Mellon Corp | 220K | $85,366 |
Who holds the shares
- Institutions reporting
- 109
- Ten largest holders
- 72.6% of 13F-reported shares
- Index fund managers
- 14.4% of 13F-reported shares
- Active managers and hedge funds
- 58.2% of 13F-reported shares
| Type | Bought | Sold | New | Sold out | Net change in shares | Net % |
|---|---|---|---|---|---|---|
| Active managers and hedge funds | 12 | 12 | 5 | 8 | +7.8M | +23.0% |
| Index fund managers | 1 | 9 | 0 | 3 | −9.4M | −47.5% |
| Other institutions | 47 | 46 | 20 | 28 | −2.5M | −11.2% |