AUSTIN, TX
XBIOTECH INC.XBIT— Latest position per institution from SEC 13F filings
15
Institutional holders
3.83M
Total shares held
13.94M
Estimated value
191.70K
Avg. position size
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
1.13M
Value
5.83M
Filed
Jun 30, 2024
BLACKROCK, INC.
CIK 2012383
Shares
321.15K
Value
738.64K
Filed
Jun 30, 2026
VANGUARD GROUP INC
CIK 102909
Shares
299.56K
Value
715.94K
Filed
Dec 31, 2025
CREDIT SUISSE AG/
CIK 824468
Shares
248.27K
Value
2.02M
Filed
Mar 31, 2024
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
214.12K
Value
492.75K
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
200.18K
Value
460.42K
Filed
Jun 30, 2026
RBF CAPITAL, LLC
CIK 1134621
Shares
198.50K
Value
456.55K
Filed
Jun 30, 2026
AMERIPRISE FINANCIAL INC
CIK 820027
Shares
186.80K
Value
446.44K
Filed
Dec 31, 2025
MORGAN STANLEY
CIK 895421
Shares
147.88K
Value
340.12K
Filed
Jun 30, 2026
OASIS MANAGEMENT CO LTD.
CIK 1317904
Shares
137.17K
Value
481.48K
Filed
Dec 31, 2022
BRIDGEWAY CAPITAL MANAGEMENT, LLC
CIK 1107261
Shares
98.45K
Value
226.43K
Filed
Jun 30, 2026
VANGUARD FIDUCIARY TRUST CO
CIK 933478
Shares
92.36K
Value
212.44K
Filed
Jun 30, 2026
JANE STREET GROUP, LLC
CIK 1595888
Shares
86.18K
Value
198.20K
Filed
Jun 30, 2026
MILLENNIUM MANAGEMENT LLC
CIK 1273087
Shares
79.33K
Value
182.46K
Filed
Jun 30, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 1446194
Shares
73.90K
Value
169.97K
Filed
Jun 30, 2026
STATE STREET CORP
CIK 93751
Shares
73.01K
Value
167.91K
Filed
Jun 30, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 884546
Shares
67.36K
Value
218.23K
Filed
Mar 31, 2025
NORTHERN TRUST CORP
CIK 73124
Shares
66.26K
Value
152.39K
Filed
Jun 30, 2026
EMPOWERED FUNDS, LLC
CIK 1592828
Shares
59.55K
Value
136.96K
Filed
Jun 30, 2026
EA SERIES TRUST
CIK 1592900
Shares
49.78K
Value
295.67K
Filed
Jun 30, 2023
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BLACKROCK FINANCE, INC. | 1364742 | 1.13M | 5.83M | Jun 30, 2024 |
| 2 | BLACKROCK, INC. | 2012383 | 321.15K | 738.64K | Jun 30, 2026 |
| 3 | VANGUARD GROUP INC | 102909 | 299.56K | 715.94K | Dec 31, 2025 |
| 4 | CREDIT SUISSE AG/ | 824468 | 248.27K | 2.02M | Mar 31, 2024 |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 214.12K | 492.75K | Jun 30, 2026 |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 200.18K | 460.42K | Jun 30, 2026 |
| 7 | RBF CAPITAL, LLC | 1134621 | 198.50K | 456.55K | Jun 30, 2026 |
| 8 | AMERIPRISE FINANCIAL INC | 820027 | 186.80K | 446.44K | Dec 31, 2025 |
| 9 | MORGAN STANLEY | 895421 | 147.88K | 340.12K | Jun 30, 2026 |
| 10 | OASIS MANAGEMENT CO LTD. | 1317904 | 137.17K | 481.48K | Dec 31, 2022 |
| 11 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 1107261 | 98.45K | 226.43K | Jun 30, 2026 |
| 12 | VANGUARD FIDUCIARY TRUST CO | 933478 | 92.36K | 212.44K | Jun 30, 2026 |
| 13 | JANE STREET GROUP, LLC | 1595888 | 86.18K | 198.20K | Jun 30, 2026 |
| 14 | MILLENNIUM MANAGEMENT LLC | 1273087 | 79.33K | 182.46K | Jun 30, 2026 |
| 15 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | 73.90K | 169.97K | Jun 30, 2026 |
| 16 | STATE STREET CORP | 93751 | 73.01K | 167.91K | Jun 30, 2026 |
| 17 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 884546 | 67.36K | 218.23K | Mar 31, 2025 |
| 18 | NORTHERN TRUST CORP | 73124 | 66.26K | 152.39K | Jun 30, 2026 |
| 19 | EMPOWERED FUNDS, LLC | 1592828 | 59.55K | 136.96K | Jun 30, 2026 |
| 20 | EA SERIES TRUST | 1592900 | 49.78K | 295.67K | Jun 30, 2023 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.