SANTA CLARA, CA
OKLO INC.OKLO— Latest position per institution from SEC 13F filings
15
Institutional holders
112.73M
Total shares held
5.50B
Estimated value
5.64M
Avg. position size
VANGUARD GROUP INC
CIK 102909
Shares
11.64M
Value
835.11M
Filed
Dec 31, 2025
JANE STREET GROUP, LLC
CIK 1595888
Shares
10.40M
Value
544.08M
Filed
Jun 30, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 1446194
Shares
10.31M
Value
539.36M
Filed
Jun 30, 2026
MIRAE ASSET GLOBAL ETFS HOLDINGS LTD.
CIK 1705339
Shares
8.94M
Value
467.61M
Filed
Jun 30, 2026
VAN ECK ASSOCIATES CORP
CIK 869178
Shares
7.91M
Value
414.05M
Filed
Jun 30, 2026
BLACKROCK, INC.
CIK 2012383
Shares
7.31M
Value
382.64M
Filed
Jun 30, 2026
CITADEL ADVISORS LLC
CIK 1423053
Shares
6.86M
Value
359.21M
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
6.54M
Value
342.20M
Filed
Jun 30, 2026
ENCOMPASS CAPITAL ADVISORS LLC
CIK 1541901
Shares
6.46M
Value
52.25M
Filed
Sep 30, 2024
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
6.43M
Value
336.25M
Filed
Jun 30, 2026
DATA COLLECTIVE IV GP, LLC
CIK 1664974
Shares
5.28M
Value
112.04M
Filed
Dec 31, 2024
WALLEYE TRADING LLC
CIK 1388391
Shares
3.30M
Value
172.60M
Filed
Jun 30, 2026
MORGAN STANLEY
CIK 895421
Shares
3.26M
Value
170.75M
Filed
Jun 30, 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
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
STATE STREET CORP
CIK 93751
Shares
2.38M
Value
124.44M
Filed
Jun 30, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
2.36M
Value
123.76M
Filed
Jun 30, 2026
UBS GROUP AG
CIK 1610520
Shares
2.30M
Value
120.40M
Filed
Jun 30, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | 102909 | 11.64M | 835.11M | Dec 31, 2025 |
| 2 | JANE STREET GROUP, LLC | 1595888 | 10.40M | 544.08M | Jun 30, 2026 |
| 3 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | 10.31M | 539.36M | Jun 30, 2026 |
| 4 | MIRAE ASSET GLOBAL ETFS HOLDINGS LTD. | 1705339 | 8.94M | 467.61M | Jun 30, 2026 |
| 5 | VAN ECK ASSOCIATES CORP | 869178 | 7.91M | 414.05M | Jun 30, 2026 |
| 6 | BLACKROCK, INC. | 2012383 | 7.31M | 382.64M | Jun 30, 2026 |
| 7 | CITADEL ADVISORS LLC | 1423053 | 6.86M | 359.21M | Jun 30, 2026 |
| 8 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 6.54M | 342.20M | Jun 30, 2026 |
| 9 | ENCOMPASS CAPITAL ADVISORS LLC | 1541901 | 6.46M | 52.25M | Sep 30, 2024 |
| 10 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 6.43M | 336.25M | Jun 30, 2026 |
| 11 | DATA COLLECTIVE IV GP, LLC | 1664974 | 5.28M | 112.04M | Dec 31, 2024 |
| 12 | WALLEYE TRADING LLC | 1388391 | 3.30M | 172.60M | Jun 30, 2026 |
| 13 | MORGAN STANLEY | 895421 | 3.26M | 170.75M | Jun 30, 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 | EHP FUNDS INC. | 1927881 | 2.54M | 26.49M | Jun 30, 2023 |
| 17 | WOLVERINE TRADING, LLC | 927337 | 2.40M | 280.07M | Sep 30, 2025 |
| 18 | STATE STREET CORP | 93751 | 2.38M | 124.44M | Jun 30, 2026 |
| 19 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 2.36M | 123.76M | Jun 30, 2026 |
| 20 | UBS GROUP AG | 1610520 | 2.30M | 120.40M | Jun 30, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.