OKLO: OKLO INC insider trading, 5% holders and institutional ownership
From public SEC filings: open-market insider purchases and sales (Form 4, last 180 days), holders of 5% or more (Schedules 13D and 13G) and institutional ownership (Form 13F). Insider and 5% data delayed 48 hours.
Insider trading
0 open-market buys totaling - and 17 sales totaling $9.65M in the last 180 days.
Insider sales
| Trade date | Insider | Role | Value | 10b5-1 plan |
|---|---|---|---|---|
| 2026-10-19 | Narayanadas Vivek | Officer | $65K | yes |
| 2026-10-14 | Renner Alexandra | Officer | $21K | |
| 2026-10-09 | Narayanadas Vivek | Officer | $13K | yes |
| 2026-10-06 | Narayanadas Vivek | Officer | $11K | yes |
| 2026-10-05 | Narayanadas Vivek | Officer | $23K | |
| 2026-10-01 | Cochran Caroline | Officer | $1.47M | yes |
| 2026-10-01 | Cochran Caroline | Officer | $741K | yes |
| 2026-10-01 | Cochran Caroline | Officer | $1.45M | yes |
| 2026-10-01 | Cochran Caroline | Officer | $727K | yes |
| 2026-10-01 | Dewitte Jacob | CEO | $1.45M | yes |
| 2026-10-01 | Dewitte Jacob | CEO | $727K | yes |
| 2026-10-01 | Dewitte Jacob | CEO | $1.47M | yes |
| 2026-10-01 | Dewitte Jacob | CEO | $741K | yes |
| 2026-10-01 | Bealmear Richard Craig | CFO | $608K | yes |
| 2026-09-28 | Renner Alexandra | Officer | $41K | |
| 2026-09-28 | Hanson John | Officer | $41K | |
| 2026-09-28 | Goodwin William Carroll Murphy | Officer | $66K |
Activist and 5% holders
| Filed | What | Holder | Stake | Change | Filing |
|---|---|---|---|---|---|
| 2026-07-29 | Fell below 5% | BlackRock, Inc. | 3.60% | SEC |
Institutional ownership (Q2 2026)
674 institutions reported holding $4.40B of OKLO INC on Form 13F (678 the quarter before). 113 opened a new position and 122 sold out. Shares held by institutions: -7%.
| Largest holders | Shares | Value |
|---|---|---|
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 8,935,822 | $467.61M |
| VAN ECK ASSOCIATES CORP | 7,912,353 | $414.05M |
| BlackRock, Inc. | 7,311,968 | $382.64M |
| VANGUARD CAPITAL MANAGEMENT LLC | 6,539,334 | $342.20M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 6,425,515 | $336.25M |
| MORGAN STANLEY | 3,262,878 | $170.75M |
| STATE STREET CORP | 2,378,058 | $124.44M |
| GEODE CAPITAL MANAGEMENT, LLC | 2,364,428 | $123.76M |
| CANTOR FITZGERALD, L. P. | 2,182,276 | $114.20M |
| UBS Group AG | 2,095,153 | $109.64M |
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