Accuray
ARAY
125 hedge funds and large institutions have $27.4M invested in Accuray in 2026 Q1 according to their latest regulatory filings, with 30 funds opening new positions, 40 increasing their positions, 30 reducing their positions, and 27 closing their positions.
45% more call options, than puts
Call options by funds: $16K | Put options by funds: $11K
33% more repeat investments, than reductions
Existing positions increased: 40 | Existing positions reduced: 30
11% more first-time investments, than exits
New positions opened: 30 | Existing positions closed: 27
0% more funds holding
Funds holding: 125 → 125 (0)
4.71% less ownership
Funds ownership: 68.39% → 63.69% (-4.7%)
55% less capital invested
Capital invested by funds: $60.5M → $27.4M (-$33M)
100% less funds holding in top 10
Funds holding in top 10: 1 → 0 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AC
Armistice Capital
New York
|
+$702K |
| 2 |
UBS Group
Zurich,
Switzerland
|
+$640K |
| 3 |
Neuberger Berman Group
New York
|
+$548K |
| 4 |
AQR Capital Management
Greenwich,
Connecticut
|
+$355K |
| 5 |
Squarepoint
New York
|
+$338K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
HA
Heartland Advisors
Milwaukee,
Wisconsin
|
-$834K |
| 2 |
Citadel Advisors
Miami,
Florida
|
-$551K |
| 3 |
D.E. Shaw & Co
New York
|
-$519K |
| 4 |
Connor, Clark & Lunn Investment Management (CC&L)
Vancouver,
British Columbia, Canada
|
-$497K |
| 5 |
Jacobs Levy Equity Management
Florham Park,
New Jersey
|
-$353K |
ARAY Hedge Fund Activity: Q1 2026 in Review
125 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Accuray (ARAY) for Q1 2026, worth a combined $27.4M — down 55% from $60.5M a quarter earlier.
Buyers outnumbered sellers: 30 funds opened new ARAY positions and 27 closed out — a net gain of 3 holders — while 40 added to existing stakes and 30 trimmed.
The largest buyer was Armistice Capital, adding an estimated $702K. The largest seller was Heartland Advisors, cutting an estimated $834K.
- 125 institutional investors held Accuray (ARAY) as of Q1 2026, unchanged from Q4 2025.
- Funds reported $27.4M of Accuray stock for Q1 2026, down 55% quarter-over-quarter.
- 30 funds opened new Accuray positions in Q1 2026 and 27 closed out, a net change of +3 holders.
- The largest Accuray buyer in Q1 2026 was Armistice Capital, an estimated $702K added.
- The largest Accuray seller in Q1 2026 was Heartland Advisors, an estimated $834K sold.
Based on aggregated 13F filings for Q1 2026.