SANTA CLARA, CA
OKLO INC.OKLO— Latest position per institution from SEC 13F filings
15
Institutional holders
115.77M
Total shares held
5.04B
Estimated value
5.79M
Avg. position size
BLACKROCK, INC.
CIK 2012383
Shares
15.91M
Value
788.85M
Filed
Mar 31, 2026
VANGUARD GROUP INC
CIK 102909
Shares
11.64M
Value
835.11M
Filed
Dec 31, 2025
JANE STREET GROUP, LLC
CIK 1595888
Shares
9.31M
Value
461.65M
Filed
Mar 31, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 1446194
Shares
8.97M
Value
444.74M
Filed
Mar 31, 2026
MIRAE ASSET GLOBAL ETFS HOLDINGS LTD.
CIK 1705339
Shares
8.86M
Value
439.19M
Filed
Mar 31, 2026
ENCOMPASS CAPITAL ADVISORS LLC
CIK 1541901
Shares
6.46M
Value
52.25M
Filed
Sep 30, 2024
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
6.24M
Value
309.34M
Filed
Mar 31, 2026
VAN ECK ASSOCIATES CORP
CIK 869178
Shares
6.08M
Value
301.58K
Filed
Mar 31, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
5.83M
Value
289.16M
Filed
Mar 31, 2026
CITADEL ADVISORS LLC
CIK 1423053
Shares
5.45M
Value
270.06M
Filed
Mar 31, 2026
DATA COLLECTIVE IV GP, LLC
CIK 1664974
Shares
5.28M
Value
112.04M
Filed
Dec 31, 2024
DEFIANCE ETFS, LLC
CIK 1732541
Shares
3.64M
Value
180.66M
Filed
Mar 31, 2026
STATE STREET CORP
CIK 93751
Shares
3.33M
Value
164.94M
Filed
Mar 31, 2026
EMPYREAN CAPITAL PARTNERS, LP
CIK 1317195
Shares
3.06M
Value
34.91M
Filed
Mar 31, 2024
TIGER GLOBAL MANAGEMENT LLC
CIK 1167483
Shares
3.06M
Value
64.90M
Filed
Dec 31, 2024
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
3.05M
Value
151.19M
Filed
Mar 31, 2026
MORGAN STANLEY
CIK 895421
Shares
2.68M
Value
132.99M
Filed
Mar 31, 2026
EHP FUNDS INC.
CIK 1927881
Shares
2.54M
Value
26.49M
Filed
Jun 30, 2023
WOLVERINE TRADING, LLC
CIK 927337
Shares
2.40M
Value
280.07M
Filed
Sep 30, 2025
SOROBAN CAPITAL PARTNERS LP
CIK 1517857
Shares
2M
Value
19.52K
Filed
Sep 30, 2022
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BLACKROCK, INC. | 2012383 | 15.91M | 788.85M | Mar 31, 2026 |
| 2 | VANGUARD GROUP INC | 102909 | 11.64M | 835.11M | Dec 31, 2025 |
| 3 | JANE STREET GROUP, LLC | 1595888 | 9.31M | 461.65M | Mar 31, 2026 |
| 4 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | 8.97M | 444.74M | Mar 31, 2026 |
| 5 | MIRAE ASSET GLOBAL ETFS HOLDINGS LTD. | 1705339 | 8.86M | 439.19M | Mar 31, 2026 |
| 6 | ENCOMPASS CAPITAL ADVISORS LLC | 1541901 | 6.46M | 52.25M | Sep 30, 2024 |
| 7 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 6.24M | 309.34M | Mar 31, 2026 |
| 8 | VAN ECK ASSOCIATES CORP | 869178 | 6.08M | 301.58K | Mar 31, 2026 |
| 9 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 5.83M | 289.16M | Mar 31, 2026 |
| 10 | CITADEL ADVISORS LLC | 1423053 | 5.45M | 270.06M | Mar 31, 2026 |
| 11 | DATA COLLECTIVE IV GP, LLC | 1664974 | 5.28M | 112.04M | Dec 31, 2024 |
| 12 | DEFIANCE ETFS, LLC | 1732541 | 3.64M | 180.66M | Mar 31, 2026 |
| 13 | STATE STREET CORP | 93751 | 3.33M | 164.94M | Mar 31, 2026 |
| 14 | EMPYREAN CAPITAL PARTNERS, LP | 1317195 | 3.06M | 34.91M | Mar 31, 2024 |
| 15 | TIGER GLOBAL MANAGEMENT LLC | 1167483 | 3.06M | 64.90M | Dec 31, 2024 |
| 16 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 3.05M | 151.19M | Mar 31, 2026 |
| 17 | MORGAN STANLEY | 895421 | 2.68M | 132.99M | Mar 31, 2026 |
| 18 | EHP FUNDS INC. | 1927881 | 2.54M | 26.49M | Jun 30, 2023 |
| 19 | WOLVERINE TRADING, LLC | 927337 | 2.40M | 280.07M | Sep 30, 2025 |
| 20 | SOROBAN CAPITAL PARTNERS LP | 1517857 | 2M | 19.52K | Sep 30, 2022 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.