EMERYVILLE, CA
OMNIAB, INC.OABIW— Latest position per institution from SEC 13F filings
15
Institutional holders
91.42M
Total shares held
215.65M
Estimated value
4.57M
Avg. position size
AVISTA CAPITAL HOLDINGS, L.P.
CIK 1761123
Shares
11.35M
Value
4.07M
Filed
Sep 30, 2024
WHITEFORT CAPITAL MANAGEMENT, LP
CIK 1884931
Shares
10.25M
Value
25.21M
Filed
Jun 30, 2026
BLACKROCK, INC.
CIK 2012383
Shares
8.90M
Value
21.89M
Filed
Jun 30, 2026
JANUS HENDERSON GROUP LTD.
CIK 1274173
Shares
8.06M
Value
19.50M
Filed
Mar 31, 2025
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
7.04M
Value
26.39M
Filed
Jun 30, 2024
VANGUARD GROUP INC
CIK 102909
Shares
5.63M
Value
10.41M
Filed
Dec 31, 2025
NOMURA HOLDINGS INC
CIK 1163653
Shares
5.03M
Value
12.37M
Filed
Jun 30, 2026
MACQUARIE GROUP LTD
CIK 1418333
Shares
4.42M
Value
10.62M
Filed
Mar 31, 2025
CADIAN CAPITAL MANAGEMENT, LP
CIK 1423686
Shares
4.21M
Value
10.36M
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
3.85M
Value
9.48M
Filed
Jun 30, 2026
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
CIK 1644956
Shares
3.36M
Value
18.23M
Filed
Mar 31, 2024
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
2.88M
Value
7.10M
Filed
Jun 30, 2026
RUBRIC CAPITAL MANAGEMENT LP
CIK 1687509
Shares
2.85M
Value
6.84M
Filed
Mar 31, 2025
CHICAGO CAPITAL, LLC
CIK 1740053
Shares
2.62M
Value
6.29M
Filed
Mar 31, 2025
RICE HALL JAMES & ASSOCIATES, LLC
CIK 1230765
Shares
2.61M
Value
6.42M
Filed
Jun 30, 2026
PRIVATE MANAGEMENT GROUP INC
CIK 1142031
Shares
2.34M
Value
5.77M
Filed
Jun 30, 2026
STATE STREET CORP
CIK 93751
Shares
2.13M
Value
5.25M
Filed
Jun 30, 2026
VILLERE ST DENIS J & CO LLC
CIK 1113629
Shares
1.44M
Value
3.45M
Filed
Mar 31, 2025
DIMENSIONAL FUND ADVISORS LP
CIK 354204
Shares
1.26M
Value
3.11M
Filed
Jun 30, 2026
TOWERVIEW LLC
CIK 1166573
Shares
1.18M
Value
2.90M
Filed
Jun 30, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | AVISTA CAPITAL HOLDINGS, L.P. | 1761123 | 11.35M | 4.07M | Sep 30, 2024 |
| 2 | WHITEFORT CAPITAL MANAGEMENT, LP | 1884931 | 10.25M | 25.21M | Jun 30, 2026 |
| 3 | BLACKROCK, INC. | 2012383 | 8.90M | 21.89M | Jun 30, 2026 |
| 4 | JANUS HENDERSON GROUP LTD. | 1274173 | 8.06M | 19.50M | Mar 31, 2025 |
| 5 | BLACKROCK FINANCE, INC. | 1364742 | 7.04M | 26.39M | Jun 30, 2024 |
| 6 | VANGUARD GROUP INC | 102909 | 5.63M | 10.41M | Dec 31, 2025 |
| 7 | NOMURA HOLDINGS INC | 1163653 | 5.03M | 12.37M | Jun 30, 2026 |
| 8 | MACQUARIE GROUP LTD | 1418333 | 4.42M | 10.62M | Mar 31, 2025 |
| 9 | CADIAN CAPITAL MANAGEMENT, LP | 1423686 | 4.21M | 10.36M | Jun 30, 2026 |
| 10 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 3.85M | 9.48M | Jun 30, 2026 |
| 11 | WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 1644956 | 3.36M | 18.23M | Mar 31, 2024 |
| 12 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 2.88M | 7.10M | Jun 30, 2026 |
| 13 | RUBRIC CAPITAL MANAGEMENT LP | 1687509 | 2.85M | 6.84M | Mar 31, 2025 |
| 14 | CHICAGO CAPITAL, LLC | 1740053 | 2.62M | 6.29M | Mar 31, 2025 |
| 15 | RICE HALL JAMES & ASSOCIATES, LLC | 1230765 | 2.61M | 6.42M | Jun 30, 2026 |
| 16 | PRIVATE MANAGEMENT GROUP INC | 1142031 | 2.34M | 5.77M | Jun 30, 2026 |
| 17 | STATE STREET CORP | 93751 | 2.13M | 5.25M | Jun 30, 2026 |
| 18 | VILLERE ST DENIS J & CO LLC | 1113629 | 1.44M | 3.45M | Mar 31, 2025 |
| 19 | DIMENSIONAL FUND ADVISORS LP | 354204 | 1.26M | 3.11M | Jun 30, 2026 |
| 20 | TOWERVIEW LLC | 1166573 | 1.18M | 2.90M | Jun 30, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.