OKLO INC

Historical 13F Holders

Symbol
OKLO
CUSIP
02156V109
All holders as of
Q2 2026
Type
Equity
Class
COM CL A
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Every filing for 02156V109 since 12/18/2024, newest first.

Filer % of Class Filed
BlackRock, Inc. 13G/A Amendment 2 3.6% 7/29/2026
Event 6/30/2026
Jacob DeWitte 13D/A Amendment 6
11.1% 7/6/2026
Event 7/1/2026
Jacob DeWitte 13D/A Amendment 5
12.2% 4/21/2026
Event 4/21/2026
Vanguard Group Inc 13G/A Amendment 2 0% 3/27/2026
Event 3/13/2026
BlackRock, Inc. 13G/A Amendment 1 9.2% 1/21/2026
Event 12/31/2025
Vanguard Group Inc 13G/A Amendment 1 7.9% 10/31/2025
Event 9/30/2025
BlackRock, Inc. 13G 5.5% 10/17/2025
Event 9/30/2025
Vanguard Group Inc 13G 5.9% 7/29/2025
Event 6/30/2025
Jacob DeWitte 13D/A Amendment 4
16.2% 7/2/2025
Event 6/30/2025
Samuel H. Altman 13D/A Amendment 1
4.8% 4/4/2025
Event 3/6/2025
Jacob DeWitte 13D/A Amendment 3
18.2% 4/2/2025
Event 2/5/2025
Encompass Capital Advisors LLC 13G/A Amendment 1
0% 2/14/2025
Event 12/31/2024
Data Collective IV, L.P. 13G/A Amendment 1
4.4% 2/14/2025
Event 12/31/2024
AltC Sponsor LLC 13G/A Amendment 1
0.4% 2/14/2025
Event 12/31/2024
Mithril II LP 13G/A Amendment 1
0% 2/14/2025
Event 12/31/2024
Samuel H. Altman 13D
8.2% 12/23/2024
Event 11/14/2024

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q3 85 603 k $22.1 M
2026 Q2 763 91.7 M $4.64 B
2026 Q1 753 89.3 M $4.43 B
2025 Q4 769 75.3 M $5.40 B
2025 Q3 727 65.9 M $7.35 B
2025 Q2 529 55.6 M $3.12 B
2025 Q1 329 34.6 M $748 M
2024 Q4 274 42.0 M $893 M
2024 Q3 138 46.4 M $387 M
2024 Q2 110 40.6 M $344 M
2024 Q1 65 24.9 M $284 M
2023 Q4 42 30.1 M $318 M
2023 Q3 67 41.9 M $433 M
2023 Q2 77 42.7 M $445 M
2023 Q1 75 48.1 M $489 M
2022 Q4 74 47.0 M $466 M
2022 Q3 79 48.8 M $476 M
2022 Q2 75 48.7 M $471 M
2022 Q1 70 47.5 M $464 M
2021 Q4 69 47.0 M $463 M
2021 Q3 71 47.3 M $464 M