Accuray
ARAY
129 hedge funds and large institutions have $101M invested in Accuray in 2025 Q3 according to their latest regulatory filings, with 20 funds opening new positions, 44 increasing their positions, 42 reducing their positions, and 17 closing their positions.
11,400% more call options, than puts
Call options by funds: $115K | Put options by funds: $1K
18% more first-time investments, than exits
New positions opened: 20 | Existing positions closed: 17
7% more capital invested
Capital invested by funds: $94.6M → $101M (+$6.65M)
2% more funds holding
Funds holding: 127 → 129 (+2)
5% more repeat investments, than reductions
Existing positions increased: 44 | Existing positions reduced: 42
7.18% less ownership
Funds ownership: 71.01% → 63.82% (-7.2%)
100% less funds holding in top 10
Funds holding in top 10: 1 → 0 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AI
Acuitas Investments
Seattle,
Washington
|
+$1.43M |
| 2 |
Nuveen
Charlotte,
North Carolina
|
+$993K |
| 3 |
Citadel Advisors
Miami,
Florida
|
+$980K |
| 4 |
Assenagon Asset Management
Senningerberg,
Luxembourg
|
+$486K |
| 5 |
Two Sigma Investments
New York
|
+$390K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
UBS Group
Zurich,
Switzerland
|
-$2.08M |
| 2 |
HFA
Harbert Fund Advisors
Birmingham,
Alabama
|
-$1.98M |
| 3 |
TCM
Tenor Capital Management
New York
|
-$740K |
| 4 |
CA
CSM Advisors
Warrendale,
Pennsylvania
|
-$527K |
| 5 |
Millennium Management
New York
|
-$437K |
ARAY Hedge Fund Activity: Q3 2025 in Review
129 of the 7,641 institutional investors tracked by Wall St. Rank reported a position in Accuray (ARAY) for Q3 2025, worth a combined $101M — up 7% from $94.6M a quarter earlier.
Buyers outnumbered sellers: 20 funds opened new ARAY positions and 17 closed out — a net gain of 3 holders — while 44 added to existing stakes and 42 trimmed.
The largest buyer was Acuitas Investments, adding an estimated $1.43M. The largest seller was UBS Group, cutting an estimated $2.08M.
- 129 institutional investors held Accuray (ARAY) as of Q3 2025, up from 127 in Q2 2025.
- Funds reported $101M of Accuray stock for Q3 2025, up 7% quarter-over-quarter.
- 20 funds opened new Accuray positions in Q3 2025 and 17 closed out, a net change of +3 holders.
- The largest Accuray buyer in Q3 2025 was Acuitas Investments, an estimated $1.43M added.
- The largest Accuray seller in Q3 2025 was UBS Group, an estimated $2.08M sold.
Based on aggregated 13F filings for Q3 2025.