MADISON, WI
ACCURAY INCARAY— Latest position per institution from SEC 13F filings
15
Institutional holders
81.11M
Total shares held
45.86M
Estimated value
4.06M
Avg. position size
TCW GROUP INC
CIK 850401
Shares
18.94M
Value
4.08M
Filed
Jun 30, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
8.23M
Value
14.98M
Filed
Jun 30, 2024
NEUBERGER BERMAN GROUP LLC
CIK 1465109
Shares
6.07M
Value
1.57M
Filed
Jun 30, 2026
VANGUARD GROUP INC
CIK 102909
Shares
5.82M
Value
4.80M
Filed
Dec 31, 2025
ARMISTICE CAPITAL, LLC
CIK 1601086
Shares
5.74M
Value
1.48M
Filed
Jun 30, 2026
WEBER CAPITAL MANAGEMENT LLC /ADV
CIK 1099905
Shares
4.93M
Value
1.27M
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
4.44M
Value
1.14M
Filed
Jun 30, 2026
BLACKROCK, INC.
CIK 2012383
Shares
3.27M
Value
842.02K
Filed
Jun 30, 2026
AQR CAPITAL MANAGEMENT LLC
CIK 1167557
Shares
2.72M
Value
700.97K
Filed
Jun 30, 2026
ACUITAS INVESTMENTS, LLC
CIK 1524828
Shares
2.39M
Value
3.99M
Filed
Sep 30, 2025
MACKENZIE FINANCIAL CORP
CIK 919859
Shares
2.35M
Value
910.62K
Filed
Mar 31, 2026
JANE STREET GROUP, LLC
CIK 1595888
Shares
2.15M
Value
554.71K
Filed
Jun 30, 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 1037389
Shares
2.07M
Value
532.43K
Filed
Jun 30, 2026
HEARTLAND ADVISORS INC
CIK 937394
Shares
1.98M
Value
767.45K
Filed
Mar 31, 2026
ROYCE & ASSOCIATES LP
CIK 906304
Shares
1.88M
Value
3.39M
Filed
Sep 30, 2024
FOUNDRY PARTNERS, LLC
CIK 1573913
Shares
1.80M
Value
3.21M
Filed
Mar 31, 2025
DAFNA CAPITAL MANAGEMENT LLC
CIK 1389933
Shares
1.68M
Value
433.24K
Filed
Jun 30, 2026
UBS GROUP AG
CIK 1610520
Shares
1.62M
Value
418.98K
Filed
Jun 30, 2026
MILLENNIUM MANAGEMENT LLC
CIK 1273087
Shares
1.59M
Value
409.68K
Filed
Jun 30, 2026
SILVERBACK ASSET MANAGEMENT LLC
CIK 1278960
Shares
1.45M
Value
373.81K
Filed
Jun 30, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | TCW GROUP INC | 850401 | 18.94M | 4.08M | Jun 30, 2026 |
| 2 | BLACKROCK FINANCE, INC. | 1364742 | 8.23M | 14.98M | Jun 30, 2024 |
| 3 | NEUBERGER BERMAN GROUP LLC | 1465109 | 6.07M | 1.57M | Jun 30, 2026 |
| 4 | VANGUARD GROUP INC | 102909 | 5.82M | 4.80M | Dec 31, 2025 |
| 5 | ARMISTICE CAPITAL, LLC | 1601086 | 5.74M | 1.48M | Jun 30, 2026 |
| 6 | WEBER CAPITAL MANAGEMENT LLC /ADV | 1099905 | 4.93M | 1.27M | Jun 30, 2026 |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 4.44M | 1.14M | Jun 30, 2026 |
| 8 | BLACKROCK, INC. | 2012383 | 3.27M | 842.02K | Jun 30, 2026 |
| 9 | AQR CAPITAL MANAGEMENT LLC | 1167557 | 2.72M | 700.97K | Jun 30, 2026 |
| 10 | ACUITAS INVESTMENTS, LLC | 1524828 | 2.39M | 3.99M | Sep 30, 2025 |
| 11 | MACKENZIE FINANCIAL CORP | 919859 | 2.35M | 910.62K | Mar 31, 2026 |
| 12 | JANE STREET GROUP, LLC | 1595888 | 2.15M | 554.71K | Jun 30, 2026 |
| 13 | RENAISSANCE TECHNOLOGIES LLC | 1037389 | 2.07M | 532.43K | Jun 30, 2026 |
| 14 | HEARTLAND ADVISORS INC | 937394 | 1.98M | 767.45K | Mar 31, 2026 |
| 15 | ROYCE & ASSOCIATES LP | 906304 | 1.88M | 3.39M | Sep 30, 2024 |
| 16 | FOUNDRY PARTNERS, LLC | 1573913 | 1.80M | 3.21M | Mar 31, 2025 |
| 17 | DAFNA CAPITAL MANAGEMENT LLC | 1389933 | 1.68M | 433.24K | Jun 30, 2026 |
| 18 | UBS GROUP AG | 1610520 | 1.62M | 418.98K | Jun 30, 2026 |
| 19 | MILLENNIUM MANAGEMENT LLC | 1273087 | 1.59M | 409.68K | Jun 30, 2026 |
| 20 | SILVERBACK ASSET MANAGEMENT LLC | 1278960 | 1.45M | 373.81K | Jun 30, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.